CN118829129A - Liquid cooling system, control method and device of liquid cooling system - Google Patents
Liquid cooling system, control method and device of liquid cooling system Download PDFInfo
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- CN118829129A CN118829129A CN202310432313.3A CN202310432313A CN118829129A CN 118829129 A CN118829129 A CN 118829129A CN 202310432313 A CN202310432313 A CN 202310432313A CN 118829129 A CN118829129 A CN 118829129A
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- 239000007788 liquid Substances 0.000 title claims abstract description 193
- 238000001816 cooling Methods 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000110 cooling liquid Substances 0.000 claims abstract description 177
- 230000033228 biological regulation Effects 0.000 claims description 54
- 238000012544 monitoring process Methods 0.000 claims description 50
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 238000005057 refrigeration Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 15
- 230000007613 environmental effect Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 239000002826 coolant Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 201000009240 nasopharyngitis Diseases 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses a liquid cooling system, a control method and a device of the liquid cooling system, wherein the liquid cooling system comprises: primary side pipeline, secondary side pipeline and heat transfer unit, secondary side pipeline includes: the liquid cooling cabinet, the inter-column air conditioner, the liquid storage tank and the liquid pump; the cooling liquid inlet of the liquid cooling cabinet is connected with the cooling liquid outlet of the inter-row air conditioner, the liquid cooling cabinet is provided with a server, and cooling liquid flows in from the cooling liquid inlet, passes through a cooling plate of the server and flows out from the cooling liquid outlet; the cooling liquid inlet of the liquid storage tank is connected with the cooling liquid outlet of the liquid cooling cabinet and is used for storing cooling liquid flowing out from the cooling liquid outlet of the liquid cooling cabinet; the cooling liquid outlet of the liquid pump is connected with the cooling liquid inlet of the inter-row air conditioner, and the cooling liquid inlet of the liquid pump is connected with the cooling liquid outlet of the liquid storage tank and is used for providing circulating power of cooling liquid. The invention realizes the heat dissipation of the liquid cooling part and the air cooling part of the server by using a set of pipelines, greatly simplifies the connection of the pipelines in the machine room and reduces the difficulty of equipment deployment.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a liquid cooling system, a control method and a control device of the liquid cooling system.
Background
At present, the energy consumption index of the data center has extremely high requirements, PUE (Power Usage Effectiveness) indexes, namely indexes for evaluating the energy efficiency of the data center rapidly evolve to 1.25, 1.2 and 1.15, and industries such as finance, telecom, internet and the like start large-scale application or test point liquid cooling technology, wherein cold plate liquid cooling is used as the most mature liquid cooling scheme to be most applied.
At present, a common cold plate type liquid cooling system comprises a liquid cooling cabinet and a heat dissipation module, and because the cold plate type liquid cooling usually only takes away part of heat of a server, the residual heat is still needed to be solved by an air cooling system, and the liquid cooling and air cooling ratio in the common cold plate type liquid cooling is 6:4, therefore, two sets of refrigeration systems are usually required to be configured for the data center or the machine room node applying the cold plate type liquid cooling, the connection of pipelines in the machine room is complex, and the equipment deployment has great challenges.
Disclosure of Invention
The present invention has been made in view of the above problems, and has as its object to provide a liquid cooling system, a control method of a liquid cooling system, and a device for overcoming the above problems or at least partially solving the above problems.
According to an aspect of the present invention, there is provided a liquid cooling system including: the primary side pipeline and the secondary side pipeline exchange heat through the heat exchange unit; the secondary side pipeline includes: the liquid cooling cabinet, the inter-column air conditioner, the liquid storage tank and the liquid pump;
The cooling liquid inlet of the liquid cooling cabinet is connected with the cooling liquid outlet of the inter-row air conditioner, the liquid cooling cabinet is provided with a server, and cooling liquid flows in from the cooling liquid inlet, passes through a cooling plate of the server and flows out from the cooling liquid outlet of the liquid cooling cabinet;
the cooling liquid inlet of the liquid storage tank is connected with the cooling liquid outlet of the liquid cooling cabinet and is used for storing cooling liquid flowing out from the cooling liquid outlet of the liquid cooling cabinet;
The cooling liquid outlet of the liquid pump is connected with the cooling liquid inlet of the inter-row air conditioner, the cooling liquid inlet of the liquid pump is connected with the cooling liquid outlet of the liquid storage tank, and the cooling liquid outlet of the liquid pump is arranged in the heat exchange unit and used for providing circulating power of cooling liquid.
Optionally, the liquid cooling system further comprises: and the cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through the electric regulating valve and is used for controlling the flow of the cooling liquid.
According to another aspect of the present invention, there is provided a control method of a liquid cooling system, the method comprising:
acquiring temperature data of a monitoring point;
the monitoring points are positioned in the machine room, a cooling liquid outlet of the liquid cooling cabinet, a cooling liquid inlet of the inter-row air conditioner and/or a cooling liquid outlet of the inter-row air conditioner;
detecting regulation and control conditions which are met by temperature data of monitoring points;
and executing the regulation and control operation corresponding to the regulation and control conditions met by the temperature data.
Optionally, detecting a regulation condition met by the temperature data of the monitoring point, and executing the regulation operation corresponding to the regulation condition met by the temperature data further includes:
If the continuous time length that the temperature of the first cooling liquid of the monitoring point at the cooling liquid inlet of the inter-row air conditioner exceeds the first temperature threshold reaches the first buffer time, controlling the refrigerating module to reduce the temperature of the cooling liquid flowing out of the refrigerating module;
and if the continuous duration that the temperature of the first cooling liquid does not exceed the second temperature threshold value reaches the first buffer time, controlling the refrigeration module to increase the temperature of the cooling liquid flowing out of the refrigeration module.
Optionally, detecting a regulation condition met by the temperature data of the monitoring point, and executing the regulation operation corresponding to the regulation condition met by the temperature data further includes:
if the continuous time length of the environmental temperature of the monitoring point in the machine room exceeds the third temperature threshold value reaches the second buffer time, the fan rotating speed of the inter-train air conditioner is improved;
and if the continuous time length of the environmental temperature which does not exceed the fourth temperature threshold value reaches the second buffer time, reducing the rotating speed of the fan of the inter-row air conditioner.
Optionally, detecting a regulation condition met by the temperature data of the monitoring point, and executing the regulation operation corresponding to the regulation condition met by the temperature data further includes:
If the continuous time length of the third cooling liquid temperature of the monitoring point of the cooling liquid outlet of the inter-column air conditioner exceeds the fifth temperature threshold value reaches the third buffer time, the frequency of the liquid pump is increased;
And if the continuous duration that the temperature of the third cooling liquid does not exceed the sixth temperature threshold value reaches the third buffer time, reducing the frequency of the liquid pump.
Optionally, detecting a regulation condition met by the temperature data of the monitoring point, and executing the regulation operation corresponding to the regulation condition met by the temperature data further includes:
If the continuous time length of the fourth cooling liquid temperature at the monitoring point of the cooling liquid outlet of the liquid cooling cabinet exceeds the seventh temperature threshold value reaches the fourth buffer time, increasing the opening of the electric regulating valve;
If the continuous time length of the fourth cooling liquid temperature which does not exceed the eighth temperature threshold value reaches the fourth buffer time, reducing the opening of the electric regulating valve;
The cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through an electric regulating valve.
According to another aspect of the present invention, there is provided a control apparatus for a liquid cooling system, the apparatus comprising:
The acquisition module is suitable for acquiring temperature data of the monitoring points;
the monitoring points are positioned in the machine room, a cooling liquid outlet of the liquid cooling cabinet, a cooling liquid inlet of the inter-row air conditioner and/or a cooling liquid outlet of the inter-row air conditioner;
The regulation and control module is suitable for detecting regulation and control conditions which are met by the temperature data of the monitoring points and executing regulation and control operations corresponding to the regulation and control conditions which are met by the temperature data.
Optionally, the regulation module is further adapted to:
If the continuous time length that the temperature of the first cooling liquid of the monitoring point at the cooling liquid inlet of the inter-row air conditioner exceeds the first temperature threshold reaches the first buffer time, controlling the refrigerating module to reduce the temperature of the cooling liquid flowing out of the refrigerating module;
and if the continuous duration that the temperature of the first cooling liquid does not exceed the second temperature threshold value reaches the first buffer time, controlling the refrigeration module to increase the temperature of the cooling liquid flowing out of the refrigeration module.
Optionally, the regulation module is further adapted to:
if the continuous time length of the environmental temperature of the monitoring point in the machine room exceeds the third temperature threshold value reaches the second buffer time, the fan rotating speed of the inter-train air conditioner is improved;
and if the continuous time length of the environmental temperature which does not exceed the fourth temperature threshold value reaches the second buffer time, reducing the rotating speed of the fan of the inter-row air conditioner.
Optionally, the regulation module is further adapted to:
If the continuous time length of the third cooling liquid temperature of the monitoring point of the cooling liquid outlet of the inter-column air conditioner exceeds the fifth temperature threshold value reaches the third buffer time, the frequency of the liquid pump is increased;
And if the continuous duration that the temperature of the third cooling liquid does not exceed the sixth temperature threshold value reaches the third buffer time, reducing the frequency of the liquid pump.
Optionally, the regulation module is further adapted to:
If the continuous time length of the fourth cooling liquid temperature at the monitoring point of the cooling liquid outlet of the liquid cooling cabinet exceeds the seventh temperature threshold value reaches the fourth buffer time, increasing the opening of the electric regulating valve;
If the continuous time length of the fourth cooling liquid temperature which does not exceed the eighth temperature threshold value reaches the fourth buffer time, reducing the opening of the electric regulating valve;
The cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through an electric regulating valve.
According to yet another aspect of the present invention, there is provided a computing device comprising: the device comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete communication with each other through the communication bus;
The memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the operation corresponding to the control method of the liquid cooling system.
According to still another aspect of the present invention, there is provided a computer storage medium having stored therein at least one executable instruction for causing a processor to perform operations corresponding to the control method of the above-described liquid cooling system.
According to the liquid cooling system, the control method and the control device of the liquid cooling system, on one hand, the air cooling system and the liquid cooling system are combined through optimizing the pipeline, so that the heat dissipation of the liquid cooling part and the air cooling part of the server is realized by utilizing a set of pipelines, the pipeline connection in a machine room is greatly simplified, the difficulty of equipment configuration is reduced, the flexibility and the reliability are realized, various different types of equipment can be matched, the stability of the whole system is ensured by the arrangement of the liquid storage tank, the energy conservation of a data center is facilitated to be improved, and the energy efficiency of the data center is reduced. On the other hand, the temperature of multiple points is monitored, different system components are controlled respectively, the multi-level temperatures in the server, the cabinet and the machine room are maintained in a reasonable range, the energy-saving advantage of the cold plate liquid cooling is fully exerted, the optimal balance effect is achieved through detection and adjustment of each component, the overall energy saving performance of the system is improved, the system cold distribution requirements under different running conditions can be comprehensively and perfectly met, and the applicability of the cold plate liquid cooling is enhanced.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 shows a schematic diagram of a liquid cooling system according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a control method of a liquid cooling system according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a control device of a liquid cooling system according to an embodiment of the present invention;
FIG.4 illustrates a schematic diagram of a computing device provided by an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 shows a schematic structural diagram of a liquid cooling system according to an embodiment of the present invention, as shown in fig. 1, the liquid cooling system includes: the primary side pipeline 10, the secondary side pipeline 20 and the heat exchange unit 30 of the refrigeration module 101 are included, the primary side pipeline 10 exchanges heat with the secondary side pipeline 20 through the heat exchange unit 30, and the primary side pipeline 10 provides cold for the secondary side pipeline 20 and takes away heat of cooling liquid of the secondary side pipeline 20.
The primary side pipeline 10 comprises a refrigerating module 101 and a pipeline connected with the refrigerating module 101, and the refrigerating mode of the refrigerating module 101 can be selected according to actual needs, such as a chilled water air conditioning system, a fluorine pump air conditioner, an indirect evaporation chiller, etc., or the natural cooling refrigerating mode, the mixing mode and the mechanical refrigerating mode can be correspondingly matched according to the change of the outdoor environment temperature.
The secondary-side pipe 20 includes: the cooling liquid in the secondary side pipeline 20 can be fluoride liquid or deionized water, and the liquid cooling cabinet 201, the inter-column air conditioner 202, the liquid storage tank 203 and the liquid pump 204. The specific connection relation and functions of each component are as follows:
The cooling liquid inlet of the liquid cooling cabinet 201 is connected to the cooling liquid outlet of the inter-row air conditioner 202, and the server is mounted on the liquid cooling cabinet 201, and the cooling liquid flows in from the cooling liquid inlet of the liquid cooling cabinet 201, passes through the cooling plate of the server, and flows out from the cooling liquid outlet of the liquid cooling cabinet 201. The inter-row air conditioner 201 is arranged in the machine room, is directly arranged between the server cabinet rows, is close to a heat source for directly radiating heat, and is an air cooling part in the system.
For any part, the opening through which the cooling liquid flows into the part is a cooling liquid inlet, the opening through which the cooling liquid flows out of the part is a cooling liquid outlet, and the direction indicated by the arrow in the figure is the flowing direction of the cooling liquid.
When there are multiple liquid cooling cabinets, the inter-row air conditioner 202 is connected in series with each liquid cooling cabinet 201, and each liquid cooling cabinet 201 is connected in parallel. The server mounted in the liquid cooling cabinet 201 is a cold plate type liquid cooling server, and the liquid cooling heat dissipation is completed through a cold plate arranged on a main heating element (such as a CPU, a GPU, etc.) of the server. The heat of the other secondary heating elements (such as hard disk) is taken away by the combination of the inter-row air conditioner 202 and the fan on the server through an air cooling mode. In general, the system is only one set of pipeline and one set of refrigerating system, and is greatly simplified for the traditional cold plate type liquid cooling system.
The cooling liquid inlet of the liquid storage tank 203 is connected with the cooling liquid outlet of the liquid cooling cabinet 201, and is used for storing the cooling liquid flowing out from the cooling liquid outlet of the liquid cooling cabinet 201, and the liquid storage tank 203 is arranged on the liquid return main pipe of the cooling liquid, so that the effects of buffering and regulating the flow in the system are achieved.
The cooling liquid outlet of the liquid pump 204 is connected with the cooling liquid inlet of the inter-column air conditioner 202, the cooling liquid inlet of the liquid pump 204 is connected with the cooling liquid outlet of the liquid storage tank 203, the liquid pump 204 is arranged in the heat exchange unit 30 and is used for providing the circulating power of the cooling liquid, and the liquid pump 204 can be in a single-pump configuration or a double-pump configuration.
In an alternative, the liquid cooling system further comprises: the cooling liquid outlet of the inter-column air conditioner 202 is connected with the cooling liquid inlet of the liquid cooling cabinet 201 through the electric regulating valve 205, and the electric regulating valve 205 is used for controlling the flow of the cooling liquid.
The liquid pump 204 arranged in the heat exchange unit 30 provides power for cooling liquid circulation, the cooling liquid after heat exchange firstly flows into the inter-row air conditioner 202 under the action of the liquid pump 204, the inter-row air conditioner 202 is subjected to a heating process, the cooling liquid cools the machine room environment or a cold channel, the cooling liquid flows out of the inter-row air conditioner 202 and then flows into each liquid cooling cabinet 201 in parallel, the opening degree of each electric regulating valve 205 is regulated to keep the cooling liquid uniformly flowing into each liquid cooling cabinet 201, the cooling liquid in the liquid cooling cabinet 201 enters the server through each branch pipe, each branch pipe is connected with a cold plate in the server, the cooling liquid takes away the heat of a heating element of the server through the cold plate, at the moment, the cooling liquid flows out of the liquid cooling cabinet 201 after cooling the server for a second heating process, flows into the liquid storage tank 203 through the collection of a main pipe, and then the next circulation is started under the action of the liquid pump 204.
In particular, the inter-column air conditioner 202 and the heat exchange unit 30 may be changed to other forms and any combination thereof. The inter-column air conditioner 202 can be replaced by a heat pipe backboard air conditioner, and the heat pipe backboard air conditioners are in one-to-one correspondence with the liquid cooling cabinets 201, namely, each liquid cooling cabinet 201 is provided with a heat pipe backboard air conditioner. The heat exchange units 30 can be replaced by distributed heat exchange units, and are also in one-to-one correspondence with the liquid cooling cabinets 201, i.e. each liquid cooling cabinet 201 is configured with a distributed heat exchange unit. The replacement of the equipment does not affect the setting of the control method, different equipment forms are applied, the number of sensors to be configured is different, the number of the controlled equipment in the system is different, and the overall control logic is not affected.
The embodiment of the invention provides a cold plate type liquid cooling system, which combines an air cooling system with a liquid cooling system by optimizing pipelines, realizes the heat dissipation of a server cold plate liquid cooling part and an air cooling part by utilizing a set of pipelines, greatly simplifies the pipeline connection in a machine room, reduces the difficulty of equipment configuration, has flexibility and reliability, can be matched with various different types of equipment, ensures the stability of the whole system by arranging a liquid storage tank, is beneficial to improving the energy conservation of a data center and reduces the energy efficiency of the data center.
Fig. 2 shows a flowchart of a control method of a liquid cooling system according to an embodiment of the present invention, where the control method is applied to the liquid cooling system of the foregoing embodiment, as shown in fig. 2, and the method includes the following steps:
step S210, temperature data of the monitoring points are obtained.
The monitoring points are positioned in the machine room, a cooling liquid outlet of the liquid cooling cabinet, a cooling liquid inlet of the inter-row air conditioner and/or a cooling liquid outlet of the inter-row air conditioner. The liquid cooling system also comprises a plurality of temperature sensors, including the temperature sensors at the monitoring points and other temperature sensors arranged at the machine cabinet, the machine room and the outdoor side.
Step S220, detecting regulation and control conditions which are met by temperature data of the monitoring points.
Step S230, executing the regulation operation corresponding to the regulation conditions met by the temperature data.
In the running process of the system, whether balance regulation is needed or not is judged according to temperature data of temperature sensors arranged at different positions and the temperature data, if so, the running state of each device in the system is controlled.
On the one hand, a temperature sensor is used for collecting the first cooling liquid temperature at a monitoring point of a cooling liquid inlet of the inter-column air conditioner, and if the continuous time length of the first cooling liquid temperature of the monitoring point at the cooling liquid inlet of the inter-column air conditioner exceeding a first temperature threshold value reaches a first buffer time, the refrigerating module is controlled to reduce the temperature of cooling liquid flowing out of the refrigerating module; and if the continuous duration that the temperature of the first cooling liquid does not exceed the second temperature threshold value reaches the first buffer time, controlling the refrigeration module to increase the temperature of the cooling liquid flowing out of the refrigeration module. Wherein the first temperature threshold is higher than the second temperature threshold.
A temperature sensor is arranged at a cooling liquid inlet of the inter-column air conditioner, the liquid inlet temperature T1 of the inter-column air conditioner is monitored, the liquid inlet temperature Ta, the buffer temperature a and the buffer time T1 (first buffer time) are preset, the liquid inlet temperature T1 of the inter-column air conditioner is compared with the preset liquid inlet temperature Ta, if T1 is larger than Ta+a (first temperature threshold), and the duration reaches the buffer time T1, the liquid inlet temperature of the inter-column air conditioner is higher than a preset value for a longer time, the liquid inlet temperature of the inter-column air conditioner needs to be reduced to ensure the overall refrigeration effect, and at the moment, the refrigeration capacity of a refrigeration module is improved, for example, the modes of improving the frequency of a compressor, improving the circulation flow of the refrigeration module and the like are adopted; if T1 is smaller than Ta-a (the second temperature threshold value), and the duration reaches the buffer time T1, the liquid inlet temperature of the inter-column air conditioner is lower than a preset value in a longer time, the liquid inlet temperature of the inter-column air conditioner can be improved to improve energy conservation, and the refrigerating capacity of the refrigerating module is reduced. The mode adjusts the liquid inlet temperature of the inter-column air conditioner by controlling the refrigerating capacity of the refrigerating module.
On the other hand, the temperature sensor is used for collecting the ambient temperature at the monitoring point in the machine room, and if the continuous time length of the ambient temperature exceeding the third temperature threshold value reaches the second buffer time, the fan rotating speed of the inter-row air conditioner is improved; and if the continuous time length of the environmental temperature not exceeding the fourth temperature threshold reaches the second buffer time, reducing the fan rotating speed of the inter-row air conditioner, wherein the third temperature threshold is higher than the fourth temperature threshold.
For example, a temperature sensor is arranged in a room space or a closed cold channel, the room environment temperature T2 is detected, the environment temperature Tb, the buffer temperature b and the buffer time T2 are preset, the environment temperature T2 is compared with the preset environment temperature Tb, if T2 is more than Tb+b (a third temperature threshold value) and the duration reaches the buffer time T2, the room temperature is higher than a preset value in a long time, the room temperature is required to be reduced, the air cooling heat dissipation effect is ensured, the related room environment requirements are met, the fan speed of the inter-row air conditioner is increased, and the heat exchange quantity is enhanced; if T2 is smaller than Tb-b (the fourth temperature threshold value), and the duration reaches the buffer time T2, the temperature of the machine room is lower than the preset value for a long time, the temperature of the machine room can be increased to improve the energy saving performance, and the fan rotating speed of the inter-row air conditioner is reduced. The mode adjusts the temperature of the machine room environment or the cold channel by adjusting the rotating speed of the fan of the inter-row air conditioner.
In still another aspect, a temperature sensor is used to collect a third coolant temperature at a monitoring point of a coolant outlet of the inter-column air conditioner, and if a continuous time length of the third coolant temperature at the monitoring point of the coolant outlet of the inter-column air conditioner exceeding a fifth temperature threshold value reaches a third buffer time, the frequency of the liquid pump is increased; and if the continuous duration that the temperature of the third cooling liquid does not exceed the sixth temperature threshold reaches the third buffer time, reducing the frequency of the liquid pump, wherein the fifth temperature threshold is higher than the sixth temperature threshold.
A temperature sensor is arranged at a cooling liquid outlet of the inter-column air conditioner, the temperature T3 of the inter-column air conditioner (third cooling liquid temperature) is detected, the third cooling liquid temperature is the temperature of a cooling liquid inlet liquid cooling cabinet, the temperature Tc of the inter-column air conditioner liquid outlet, the buffer temperature c and the buffer time T3 (third buffer time) are preset, the temperature T3 of the inter-column air conditioner liquid outlet and the preset liquid temperature Tc are compared, if T3 is more than Tc+c (fifth temperature threshold), the duration reaches the buffer time T3, the fact that the temperature of the inter-column air conditioner liquid outlet is higher than the preset value in a longer time is indicated, the liquid outlet temperature needs to be reduced to ensure the liquid cooling heat dissipation effect is ensured, at the moment, the frequency of a liquid pump in a heat exchange unit is increased, the circulation flow rate of a secondary side pipeline is increased, and the integral refrigerating capacity is improved; if T3 is smaller than Tc-c (sixth temperature threshold), and the duration reaches the buffer time T3, the temperature of the liquid outlet is lower than the preset value for a longer time, the circulating flow of the system can be reduced, the energy saving performance is improved, and the frequency of the liquid pump is reduced. The circulating speed of the whole system is regulated by regulating the frequency of the liquid pump, and the temperature of the cooling liquid when entering the liquid cooling cabinet is maintained.
In still another aspect, a temperature sensor is used to collect a fourth coolant temperature at a monitoring point of the coolant outlet of the liquid cooling cabinet, and if a continuous time length of the fourth coolant temperature at the monitoring point of the coolant outlet of the liquid cooling cabinet exceeds a seventh temperature threshold value reaches a fourth buffer time, the opening of the electric regulating valve is increased; if the continuous duration that the temperature of the third cooling liquid does not exceed the eighth temperature threshold value reaches the fourth buffer time, reducing the opening of the electric regulating valve; the cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through an electric regulating valve, and the seventh temperature threshold is higher than the eighth temperature threshold.
A temperature sensor is arranged at a cooling liquid outlet of the liquid cooling cabinet, the cabinet outlet temperature T4 (fourth cooling liquid temperature) of cooling liquid is detected, the cabinet outlet temperature Td, the buffer temperature d and the buffer time T4 of the cooling liquid are preset, the cabinet outlet temperature T4 and the preset cabinet outlet temperature Td are compared, if T4 is more than Td+d (seventh temperature threshold value) and the duration reaches the buffer time T4 (fourth buffer time), the cabinet outlet temperature is higher than a preset value for a longer time, the heating value of a server is larger, the opening of an electric regulating valve of the corresponding liquid cooling cabinet is increased, the flow of the cooling liquid flowing into the liquid cooling cabinet is increased, and the heat dissipation of the server is enhanced; if T4 is smaller than Td-d (eighth temperature threshold), and the duration reaches the buffer time T4 (fourth buffer time), it is indicated that the cabinet temperature is lower than the preset value in a longer time, the server heating value is smaller, at the moment, the opening of the electric regulating valve of the corresponding liquid cooling cabinet is reduced, and the flow of the cooling liquid flowing into the liquid cooling cabinet is reduced. According to the mode, the opening degree of the electric regulating valve is regulated, the flow of cooling liquid entering each liquid cooling cabinet is regulated, and the heat dissipation effect of the main heating element of the server is guaranteed.
In addition, the operation mode of the refrigeration module can be automatically adjusted according to the machine room environment.
According to the control method of the liquid cooling system, disclosed by the embodiment of the invention, the temperature of multiple points is monitored, different system components are respectively controlled, the multi-level temperatures in the server, the cabinet and the machine room are maintained in a reasonable range, the energy-saving advantage of the liquid cooling of the cold plate is fully exerted, the optimal balance effect is achieved through detection and adjustment of each component, the overall energy saving performance of the system is improved, the system cold distribution requirements under different running conditions can be comprehensively and perfectly met, and the applicability of the liquid cooling of the cold plate is enhanced.
Fig. 3 is a schematic structural diagram of a control device of a liquid cooling system according to an embodiment of the present invention. As shown in fig. 3, the apparatus includes:
An acquisition module 31 adapted to acquire temperature data of the monitoring point;
the monitoring points are positioned in the machine room, a cooling liquid outlet of the liquid cooling cabinet, a cooling liquid inlet of the inter-row air conditioner and/or a cooling liquid outlet of the inter-row air conditioner;
The regulation and control module 32 is adapted to detect regulation and control conditions according to the temperature data of the monitoring points, and execute regulation and control operations corresponding to the regulation and control conditions according to the temperature data.
In an alternative, the regulation module 32 is further adapted to:
If the continuous time length that the temperature of the first cooling liquid of the monitoring point at the cooling liquid inlet of the inter-row air conditioner exceeds the first temperature threshold reaches the first buffer time, controlling the refrigerating module to reduce the temperature of the cooling liquid flowing out of the refrigerating module;
and if the continuous duration that the temperature of the first cooling liquid does not exceed the second temperature threshold value reaches the first buffer time, controlling the refrigeration module to increase the temperature of the cooling liquid flowing out of the refrigeration module.
In an alternative, the regulation module 32 is further adapted to:
if the continuous time length of the environmental temperature of the monitoring point in the machine room exceeds the third temperature threshold value reaches the second buffer time, the fan rotating speed of the inter-train air conditioner is improved;
and if the continuous time length of the environmental temperature which does not exceed the fourth temperature threshold value reaches the second buffer time, reducing the rotating speed of the fan of the inter-row air conditioner.
In an alternative, the regulation module 32 is further adapted to:
If the continuous time length of the third cooling liquid temperature of the monitoring point of the cooling liquid outlet of the inter-column air conditioner exceeds the fifth temperature threshold value reaches the third buffer time, the frequency of the liquid pump is increased;
And if the continuous duration that the temperature of the third cooling liquid does not exceed the sixth temperature threshold value reaches the third buffer time, reducing the frequency of the liquid pump.
In an alternative, the regulation module 32 is further adapted to:
If the continuous time length of the fourth cooling liquid temperature at the monitoring point of the cooling liquid outlet of the liquid cooling cabinet exceeds the seventh temperature threshold value reaches the fourth buffer time, increasing the opening of the electric regulating valve;
If the continuous time length of the fourth cooling liquid temperature which does not exceed the eighth temperature threshold value reaches the fourth buffer time, reducing the opening of the electric regulating valve;
The cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through an electric regulating valve.
Through the mode, the temperature of multiple points is monitored, different system components are controlled respectively, the multi-level temperatures in the server, the cabinet and the machine room are maintained in a reasonable range, the energy-saving advantage of cold plate liquid cooling is fully exerted, the optimal balance effect is achieved through detection and adjustment of the components, the overall energy conservation of the system is improved, the system cold distribution requirements under different running conditions can be comprehensively and perfectly met, and the applicability of the cold plate liquid cooling is enhanced.
The embodiment of the invention provides a nonvolatile computer storage medium, which stores at least one executable instruction, and the computer executable instruction can execute the control method of the liquid cooling system in any method embodiment.
FIG. 4 illustrates a schematic diagram of an embodiment of a computing device of the present invention, and the embodiments of the present invention are not limited to a particular implementation of the computing device.
As shown in fig. 4, the computing device may include: a processor 402, a communication interface (Communications Interface) 404, a memory 406, and a communication bus 408.
Wherein: processor 402, communication interface 404, and memory 406 communicate with each other via communication bus 408. A communication interface 404 for communicating with network elements of other devices, such as clients or other servers. Processor 402 is configured to execute program 410, and may specifically perform relevant steps in the above-described embodiments of a method for controlling a liquid cooling system for a computing device.
In particular, program 410 may include program code including computer-operating instructions.
The processor 402 may be a central processing unit CPU, or an Application-specific integrated Circuit ASIC (Application SPECIFIC INTEGRATED Circuit), or one or more integrated circuits configured to implement embodiments of the present invention. The one or more processors included by the computing device may be the same type of processor, such as one or more CPUs; but may also be different types of processors such as one or more CPUs and one or more ASICs.
Memory 406 for storing programs 410. Memory 406 may comprise high-speed RAM memory or may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The algorithms or displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general-purpose systems may also be used with the teachings herein. The required structure for a construction of such a system is apparent from the description above. In addition, embodiments of the present invention are not directed to any particular programming language. It will be appreciated that the teachings of the present invention described herein may be implemented in a variety of programming languages, and the above description of specific languages is provided for disclosure of enablement and best mode of the present invention.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the above description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be construed as reflecting the intention that: i.e., the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Any combination of all features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
Various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that some or all of the functionality of some or all of the components according to embodiments of the present invention may be implemented in practice using a microprocessor or Digital Signal Processor (DSP). The present invention can also be implemented as an apparatus or device program (e.g., a computer program and a computer program product) for performing a portion or all of the methods described herein. Such a program embodying the present invention may be stored on a computer readable medium, or may have the form of one or more signals. Such signals may be downloaded from an internet website, provided on a carrier signal, or provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specifically stated.
Claims (10)
1. A liquid cooling system, the liquid cooling system comprising: the system comprises a primary side pipeline, a secondary side pipeline and a heat exchange unit, wherein the primary side pipeline and the secondary side pipeline exchange heat through the heat exchange unit; the secondary side pipe includes: the liquid cooling cabinet, the inter-column air conditioner, the liquid storage tank and the liquid pump;
The cooling liquid inlet of the liquid cooling cabinet is connected with the cooling liquid outlet of the inter-column air conditioner, the liquid cooling cabinet is provided with a server, and cooling liquid flows in from the cooling liquid inlet, passes through a cooling plate of the server and flows out from the cooling liquid outlet of the liquid cooling cabinet;
the cooling liquid inlet of the liquid storage tank is connected with the cooling liquid outlet of the liquid cooling cabinet and is used for storing cooling liquid flowing out from the cooling liquid outlet of the liquid cooling cabinet;
The cooling liquid outlet of the liquid pump is connected with the cooling liquid inlet of the inter-column air conditioner, the cooling liquid inlet of the liquid pump is connected with the cooling liquid outlet of the liquid storage tank, and the cooling liquid outlet of the liquid pump is arranged in the heat exchange unit and used for providing circulating power of cooling liquid.
2. The liquid cooling system of claim 1, further comprising: and the cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through the electric regulating valve and is used for controlling the flow of cooling liquid.
3. A control method applied to the liquid cooling system according to claim 1 or 2, characterized by comprising:
acquiring temperature data of a monitoring point;
The monitoring points are positioned in the machine room, a cooling liquid outlet of the liquid cooling cabinet, a cooling liquid inlet of the inter-row air conditioner and/or a cooling liquid outlet of the inter-row air conditioner;
detecting regulation and control conditions which are met by the temperature data of the monitoring points;
And executing the regulation operation corresponding to the regulation condition which is met by the temperature data.
4. The method of claim 3, wherein detecting the regulation condition to which the temperature data of the monitoring point corresponds and performing the regulation operation corresponding to the regulation condition to which the temperature data corresponds further comprises:
If the continuous time length that the first cooling liquid temperature of the monitoring point at the cooling liquid inlet of the inter-column air conditioner exceeds the first temperature threshold reaches the first buffer time, controlling a refrigeration module to reduce the temperature of cooling liquid flowing out of the refrigeration module;
and if the continuous duration that the temperature of the first cooling liquid does not exceed the second temperature threshold value reaches the first buffer time, controlling the refrigeration module to increase the temperature of the cooling liquid flowing out of the refrigeration module.
5. The method of claim 3, wherein detecting the regulation condition to which the temperature data of the monitoring point corresponds and performing the regulation operation corresponding to the regulation condition to which the temperature data corresponds further comprises:
If the continuous time length of the environmental temperature of the monitoring point in the machine room exceeds a third temperature threshold value reaches a second buffer time, the fan rotating speed of the inter-row air conditioner is increased;
and if the continuous time length of the environmental temperature which does not exceed the fourth temperature threshold value reaches the second buffer time, reducing the rotating speed of the fan of the inter-row air conditioner.
6. The method of claim 3, wherein detecting the regulation condition to which the temperature data of the monitoring point corresponds and performing the regulation operation corresponding to the regulation condition to which the temperature data corresponds further comprises:
if the continuous time length that the temperature of the third cooling liquid at the monitoring point of the cooling liquid outlet of the inter-column air conditioner exceeds the fifth temperature threshold reaches the third buffer time, the frequency of the liquid pump is increased;
And if the continuous duration that the temperature of the third cooling liquid does not exceed the sixth temperature threshold reaches the third buffer time, reducing the frequency of the liquid pump.
7. The method of claim 3, wherein detecting the regulation condition to which the temperature data of the monitoring point corresponds and performing the regulation operation corresponding to the regulation condition to which the temperature data corresponds further comprises:
If the continuous time length of the fourth cooling liquid temperature at the monitoring point of the cooling liquid outlet of the liquid cooling cabinet exceeds the seventh temperature threshold value reaches the fourth buffer time, increasing the opening of the electric regulating valve;
If the continuous time length of the fourth cooling liquid temperature which does not exceed the eighth temperature threshold value reaches the fourth buffer time, reducing the opening of the electric regulating valve;
and the cooling liquid outlet of the inter-column air conditioner is connected with the cooling liquid inlet of the liquid cooling cabinet through the electric regulating valve.
8. A control device applied to the liquid cooling system according to claim 1 or 2, characterized by comprising:
The acquisition module is suitable for acquiring temperature data of the monitoring points;
The monitoring points are positioned in the machine room, a cooling liquid outlet of the liquid cooling cabinet, a cooling liquid inlet of the inter-row air conditioner and/or a cooling liquid outlet of the inter-row air conditioner;
and the regulation and control module is suitable for detecting regulation and control conditions which are met by the temperature data of the monitoring points and executing regulation and control operations corresponding to the regulation and control conditions which are met by the temperature data.
9. A computing device, the computing device comprising: the device comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete communication with each other through the communication bus;
the memory is configured to store at least one executable instruction, where the executable instruction causes the processor to perform operations corresponding to the control method of the liquid cooling system according to any one of claims 3 to 7.
10. A computer storage medium having stored therein at least one executable instruction for causing a processor to perform operations corresponding to the method of controlling a liquid cooling system according to any one of claims 3 to 7.
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| CN202310432313.3A CN118829129A (en) | 2023-04-21 | 2023-04-21 | Liquid cooling system, control method and device of liquid cooling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310432313.3A CN118829129A (en) | 2023-04-21 | 2023-04-21 | Liquid cooling system, control method and device of liquid cooling system |
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