CN115397212A - Cooling system, control method thereof, electronic device and storage medium - Google Patents
Cooling system, control method thereof, electronic device and storage medium Download PDFInfo
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- CN115397212A CN115397212A CN202211077984.4A CN202211077984A CN115397212A CN 115397212 A CN115397212 A CN 115397212A CN 202211077984 A CN202211077984 A CN 202211077984A CN 115397212 A CN115397212 A CN 115397212A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20763—Liquid cooling without phase change
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application provides a cooling system, a control method thereof, electronic equipment and a storage medium, wherein the control method comprises the steps of respectively determining an environment temperature value and a temperature value of a water outlet of a cooler, and the environment temperature value is a temperature value in a room where a server is located; determining an adjusting mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler; when the adjusting mode of the cooling system is a frequency-increasing adjusting mode, determining a first working frequency of a first controlled object in the frequency-increasing adjusting mode based on a temperature difference value of a liquid outlet of the liquid cooling cabinet in a preset time interval, and controlling the first controlled object to run at the first working frequency so as to reduce the temperature of the server; when the adjustment mode of the cooling system is the down-adjustment mode, determining a second working frequency of a second controlled object in the down-adjustment mode, and controlling the second controlled object to operate at the second working frequency so as to reduce the temperature of the server.
Description
Technical Field
The application relates to the technical field of data center temperature control, in particular to a cooling system, a control method of the cooling system, electronic equipment and a storage medium.
Background
In the prior art, the control method of the cooling system of the data center is generally as follows: when the indoor temperature is higher than the set temperature value, controlling the water pump to start to operate, and electrifying the outdoor dry cooler; when the indoor temperature is lower than the set temperature value, the water pump is controlled to stop working, and the outdoor fan is powered off, so that the constant temperature of the data center is ensured. However, in the adjusting process, the parameter quantity of the refrigeration equipment in the cooling system is changed greatly, and the temperature and flow fluctuation in the cooling loop is large, so that the change of the system power is large, the energy consumption of the refrigeration equipment is increased, and the refrigeration equipment is damaged.
Disclosure of Invention
In view of the above, an object of the present application is to provide a cooling system, a control method thereof, an electronic device, and a storage medium, so as to achieve an energy saving effect while ensuring stable operation of the cooling system.
In a first aspect, the application provides a control method of a cooling system, the cooling system at least comprises a liquid cooling cabinet, a heat exchanger and a cooler, a server is placed in the liquid cooling cabinet, a hot fluid side of the heat exchanger and the liquid cooling cabinet form a first loop, a cold fluid side of the heat exchanger and the cooler form a second loop, wherein the control method comprises the following steps: respectively determining an environment temperature value and a temperature value of a water outlet of a cooler, wherein the environment temperature value is a temperature value in a room where a server is located; determining an adjusting mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler; when the adjusting mode of the cooling system is the frequency-increasing adjusting mode, determining a first working frequency of a first controlled object in the frequency-increasing adjusting mode based on the temperature difference value of a liquid outlet of the liquid cooling cabinet in a preset time interval, and controlling the first controlled object to run at the first working frequency so as to reduce the temperature of the server; when the adjustment mode of the cooling system is the down-adjustment mode, determining a second working frequency of a second controlled object in the down-adjustment mode, and controlling the second controlled object to operate at the second working frequency so as to reduce the temperature of the server.
Preferably, the step of determining the first operating frequency of the first controlled object in the up-conversion adjustment mode based on the temperature difference of the liquid outlet of the liquid cooling cabinet within the preset time interval specifically includes: determining a temperature change coefficient based on a temperature difference value of a liquid outlet of the liquid cooling cabinet in a preset time interval; comparing the temperature change coefficient with a preset temperature change coefficient; and when the temperature change coefficient is larger than the preset temperature change coefficient, executing the step of determining the first working frequency of the first controlled object in the frequency increasing adjusting mode.
Preferably, cooling system still includes liquid pump and water pump, and the hot fluid side is equipped with liquid outlet and inlet, and the cold fluid side is equipped with delivery port and water inlet, and the liquid pump setting is between the liquid outlet of heat exchanger and the inlet of liquid cooling rack, and the water pump setting is between the delivery port of cooler and the water inlet of heat exchanger, and first controlled object includes liquid pump, water pump and cooler, and first operating frequency includes first liquid pump operating frequency, first water pump operating frequency and cooler operating frequency, confirms first liquid pump operating frequency through following mode: calculating the working frequency of the first liquid pump according to the product of the first adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the liquid inlet of the heat exchanger and the temperature value of the liquid outlet of the heat exchanger and the current working frequency of the liquid pump; and determining the first water pump working frequency by: and calculating the working frequency of the first water pump according to the product of the second adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the water outlet of the heat exchanger and the temperature value of the water inlet of the heat exchanger and the current working frequency of the water pump.
Preferably, the operating frequency of the cooler is determined by: and calculating the working frequency of the cooler according to the product of the second adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the water outlet of the heat exchanger and the temperature value of the water inlet of the heat exchanger and a preset ratio, wherein the preset ratio is the ratio between the indoor temperature value and the first preset temperature value.
Preferably, the second controlled object includes a liquid pump and a water pump, the second operating frequency includes a second operating frequency of the liquid pump and a second operating frequency of the water pump, and the second operating frequency of the liquid pump is determined by: calculating the working frequency of a second liquid pump according to the product of the temperature value of the water outlet of the cooler, the reciprocal of the first preset temperature value and the current working frequency of the liquid pump; and determining the second water pump working frequency by the following method: and calculating the working frequency of the second water pump according to the product of the temperature value of the water outlet of the cooler, the reciprocal of the first preset temperature value and the current working frequency of the water pump.
Preferably, the step of determining the adjustment mode of the cooling system according to the determined ambient temperature value and the temperature value of the water outlet of the cooler specifically includes: comparing the ambient temperature value with a second preset temperature value; when the environmental temperature value is greater than a second preset temperature value, comparing the temperature value of the water outlet of the cooler with the first preset temperature value, wherein the second preset temperature value is less than the first preset temperature value; when the temperature value of the water outlet of the cooler is greater than a first preset temperature value, determining that the adjusting mode of the cooling system is an up-conversion adjusting mode; and when the temperature value of the water outlet of the cooler is smaller than a first preset temperature value, determining that the adjusting mode of the cooling system is a frequency-reducing adjusting mode.
Preferably, the temperature coefficient of change is determined by: and calculating the ratio of the temperature difference of the liquid outlet of the liquid cooling cabinet in the preset time interval to the preset time interval as a temperature change coefficient.
In a second aspect, the application provides a cooling system, which at least comprises a liquid cooling cabinet, a heat exchanger, a cooler, a water pump, a liquid pump and a controller, wherein a server is placed in the liquid cooling cabinet, a first loop is formed by a hot fluid side of the heat exchanger and the liquid cooling cabinet, a second loop is formed by a cold fluid side of the heat exchanger and the cooler, a liquid outlet and a liquid inlet are formed in the hot fluid side, a water outlet and a water inlet are formed in the cold fluid side, the liquid pump is arranged between the liquid outlet of the heat exchanger and the liquid inlet of the liquid cooling cabinet, the water pump is arranged between the water outlet of the cooler and the water inlet of the heat exchanger, and the controller is respectively connected with the water pump, the liquid pump and the cooler; the controller respectively determines an environment temperature value and a temperature value of a water outlet of the cooler, wherein the environment temperature value is a temperature value of an indoor room where the server is located; the controller determines the regulation mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler; when the adjusting mode of the cooling system is the frequency-increasing adjusting mode, the controller determines a first liquid pump frequency of a liquid pump, a first water pump frequency of a water pump and a cooler working frequency of a cooler in the frequency-increasing adjusting mode based on the temperature difference of a liquid outlet of the liquid cooling cabinet in a preset time interval, and respectively controls the liquid pump to run at the first liquid pump frequency, the water pump to run at the first water pump frequency and the cooler to run at the cooler working frequency so as to reduce the temperature of the server; when the adjusting mode of the cooling system is the frequency-reducing adjusting mode, the controller determines a second liquid pump frequency of the liquid pump and a second water pump frequency of the water pump in the frequency-reducing adjusting mode, and respectively controls the liquid pump to operate at the second liquid pump frequency and the water pump to operate at the second water pump frequency so as to reduce the temperature of the server.
In a third aspect, the present application further provides an electronic device, including: the cooling system comprises a processor, a memory and a bus, wherein the memory stores machine readable instructions executable by the processor, the processor and the memory are communicated through the bus when the electronic device runs, and the machine readable instructions are executed by the processor to execute the steps of the control method of the cooling system.
In a fourth aspect, the present application also provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, performs the steps of the method of controlling a cooling system as described above.
According to the cooling system and the control method thereof, the electronic equipment and the storage medium, the cooling system at least comprises a liquid cooling cabinet, a heat exchanger and a cooler, a server is placed in the liquid cooling cabinet, a first loop is formed by a hot fluid side of the heat exchanger and the liquid cooling cabinet, and a second loop is formed by a cold fluid side of the heat exchanger and the cooler. The control method comprises the steps of respectively determining an environment temperature value and a temperature value of a water outlet of the cooler, wherein the environment temperature value is the indoor temperature value of the server, and determining the adjusting mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler. When the adjusting mode of the cooling system is the frequency-increasing adjusting mode, determining a first working frequency of the first controlled object in the frequency-increasing adjusting mode based on the temperature difference value of the liquid outlet of the liquid cooling cabinet in a preset time interval, and controlling the first controlled object to run at the first working frequency so as to reduce the temperature of the server. When the adjustment mode of the cooling system is the down-adjustment mode, determining a second working frequency of a second controlled object in the down-adjustment mode, and controlling the second controlled object to operate at the second working frequency so as to reduce the temperature of the server. Compared with the constant temperature control method for realizing the data center by controlling the water pump and the dry cooler to be powered on or powered off in the prior art, the method reduces the damage of thermal load change to electronic components and the change of system energy consumption, and improves the stability and the reliability of the cooling system.
In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a flowchart of a control method of a cooling system according to an embodiment of the present disclosure;
FIG. 2 is a flowchart of the steps for determining an adjustment mode provided by an embodiment of the present application;
FIG. 3 is a flow chart of another method for controlling a cooling system according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a cooling system according to an embodiment of the present disclosure;
FIG. 5 is a schematic connection diagram of a cooling system according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. Every other embodiment that one skilled in the art can obtain without inventive effort based on the embodiments of the present application falls within the scope of protection of the present application.
First, an application scenario to which the present application is applicable will be described. The method and the device can be applied to intelligent control of the cooling system of the data center.
It has been found that the control method of the cooling system of the data center is generally: when the indoor temperature is higher than the set temperature value, controlling the water pump to start to operate, and electrifying the outdoor dry cooler; when the indoor temperature is lower than the set temperature value, the water pump is controlled to stop working, and the outdoor fan is powered off, so that the constant temperature of the data center is ensured. However, in the adjusting process, the parameter quantity of the refrigeration equipment in the cooling system is changed greatly, and the temperature and flow fluctuation in the cooling loop is large, so that the change of the system power is large, the energy consumption of the refrigeration equipment is increased, and the refrigeration equipment is damaged.
Based on this, the embodiment of the application provides a cooling system, a control method thereof, an electronic device and a storage medium.
The cooling system is specifically a cooling system of the data center, and is used for ensuring that the working temperature of the server of the data center is kept at a constant temperature. The servers of the data center are mostly arranged in the cabinet or the liquid cooling cabinet. The heat load of the cabinet is a dynamic variable quantity, and the size of the heat load and the capacity of adjusting the heat load are changed along with the change of the data processing amount and the external environment temperature, so that the cooling system of the data center needs to be intelligently controlled in order to realize the cooling of the heat load of the data center as required, realize the energy-saving effect and ensure the stable operation requirement of the data center.
Referring to fig. 1, fig. 1 is a flowchart illustrating a control method of a cooling system according to an embodiment of the present disclosure. As shown in fig. 1, an embodiment of the present application provides a control method of a cooling system, including:
s101, respectively determining an environment temperature value and a temperature value of a water outlet of a cooler, wherein the environment temperature value is a temperature value of an indoor room where a server is located.
The environmental temperature value here is a temperature value in the room where the server is located, that is, an indoor temperature of the data center.
S102, determining an adjusting mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler.
Referring to fig. 2, fig. 2 is a flowchart illustrating a step of determining an adjustment mode according to an embodiment of the present application. In this step, a step of determining an adjustment mode of the cooling system according to the determined ambient temperature value and the temperature value of the water outlet of the cooler specifically includes:
s1010, comparing the ambient temperature value with a second preset temperature value.
And S1012, when the ambient temperature value is greater than a second preset temperature value, comparing the temperature value of the water outlet of the cooler with the first preset temperature value, wherein the second preset temperature value is less than the first preset temperature value.
Firstly, the range of the environmental temperature value is judged, wherein the second preset temperature value is generally set to be between 30 ℃ and 40 ℃, and in the embodiment, the second preset temperature value is 32 ℃. If the ambient temperature value is greater than the second preset temperature value, it indicates that the ambient temperature in the current data center is higher. The first preset temperature value is set to be between 30 ℃ and 45 ℃ in general, and in the embodiment, the first preset temperature value is 35 ℃.
And when the environmental temperature value is not greater than the second preset temperature value, not adjusting.
And S1014, when the temperature value of the water outlet of the cooler is greater than a first preset temperature value, determining that the adjusting mode of the cooling system is an up-conversion adjusting mode.
S1016, when the temperature value of the water outlet of the cooler is smaller than a first preset temperature value, determining that the adjusting mode of the cooling system is a frequency reduction adjusting mode.
Here, when the water outlet of the cooler 30 is greater than the first preset temperature value, it indicates that the data processing capacity of the server is relatively high, and the cooling capacity of the cooling system needs to be increased if the operation heat of the cooler of the cooling system is less than the operation heat of the server. When the temperature value of the water outlet of the cooler 30 is smaller than the first preset temperature value, it indicates that the data processing capacity of the current server is low, and the cooling capacity of the cooling system is larger than the running heat of the server, so that the cooling capacity of the cooling system can be properly reduced to save energy consumption. If the temperature value of the water outlet of the cooler 30 is equal to the first preset temperature value, no adjustment is performed.
S103, when the adjusting mode of the cooling system is the frequency-increasing adjusting mode, determining a first working frequency of the first controlled object in the frequency-increasing adjusting mode based on the temperature difference value of the liquid outlet of the liquid cooling cabinet in a preset time interval, and controlling the first controlled object to run at the first working frequency so as to reduce the temperature of the server.
In step S103, the step of determining the first operating frequency of the first controlled object in the up-conversion adjustment mode based on the temperature difference of the liquid outlet of the liquid-cooling cabinet 10 within the preset time interval specifically includes:
the temperature change coefficient is determined based on the temperature difference of the liquid outlet of the liquid cooling cabinet 10 in the preset time interval. And comparing the temperature change coefficient with a preset temperature change coefficient, and when the temperature change coefficient is greater than the preset temperature change coefficient, executing the step of determining the first working frequency of the first controlled object in the frequency-increasing regulation mode.
Specifically, the temperature change coefficient is determined by:
and calculating the ratio of the temperature difference of the liquid outlet of the liquid cooling cabinet 10 in the preset time interval to the preset time interval, and taking the ratio as the temperature change coefficient.
And if the temperature change coefficient is not greater than the preset temperature change coefficient, no adjustment is performed.
It is understood that the control method herein may be executed in a loop, and the ambient temperature values are acquired at preset time intervals, and the execution is started according to step S1010 for each acquired ambient temperature value. Here, the liquid outlet of the liquid cooling cabinet 10 is also obtained according to the preset time interval, and a ratio of a difference between the first temperature value of the liquid cooling cabinet 10 obtained last time and the second temperature value of the liquid cooling cabinet 10 obtained currently to the preset time interval is equivalent to a first derivative. The temperature change trend of the water outlet of the dry cooler can be determined according to the first-order derivative, and prejudgment and accurate judgment are achieved, so that the data center is stable in operation, small in temperature fluctuation and system power fluctuation, and the reliability of parts of a product and the reliability of data center equipment are improved.
Specifically, the first controlled object includes a liquid pump, a water pump and a cooler, the first operating frequency includes a first liquid pump operating frequency, a first water pump operating frequency and a cooler operating frequency, and the first liquid pump operating frequency is determined in the following manner:
and calculating the working frequency of the first liquid pump according to the product of the first adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the liquid inlet of the heat exchanger and the temperature value of the liquid outlet of the heat exchanger and the current working frequency of the liquid pump.
The first fluid pump operating frequency F here 1 The calculation formula of (2) is as follows:
wherein, P and K 1 A is a fixed value, P is the number of liquid pump poles, K 1 For the safety factor of the liquid pump, A is the density of the fluid, f 1 At the current operating frequency of the liquid pump 40, Δ T1 is the temperature difference between the temperature value of the liquid inlet of the heat exchanger 20 and the temperature value of the liquid outlet of the heat exchanger 20.
And determining the first water pump working frequency by:
and calculating the working frequency of the first water pump according to the product of the second adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the water outlet of the heat exchanger and the temperature value of the water inlet of the heat exchanger and the current working frequency of the water pump.
Here the first water pump operating frequency F 2 Is calculated byThe formula is as follows:
wherein, P and K 2 A is a fixed value, P is the number of water pump poles, K 2 For water pump safety factor, A is fluid density, f 2 The Δ T2 is a temperature difference between a temperature value of the water outlet of the heat exchanger 20 and a temperature value of the water inlet of the heat exchanger 20, which is a current operating frequency of the water pump 50.
Specifically, the operating frequency of the chiller is determined by:
and calculating the working frequency of the cooler according to the product of the second adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the water outlet of the heat exchanger and the temperature value of the water inlet of the heat exchanger and a preset ratio, wherein the preset ratio is the ratio between the indoor temperature value and the first preset temperature value.
The operating frequency F of the cooler is here 3 The calculation formula of (2) is as follows:
wherein, P and K 2 A is a fixed value, P is the number of water pump poles, K 2 For water pump safety factor, A is the fluid density, Δ T2 is the temperature difference between the temperature value at the water outlet of the heat exchanger 20 and the temperature value at the water inlet of the heat exchanger 20, T 0 M is a first preset temperature value.
Specifically, the operating frequency here is the operating frequency of the fan of the cooler 30.
In the up-conversion adjustment mode, the operating frequencies of the cooler 30, the water pump 50 and the liquid pump 40 are simultaneously increased, the temperature of the fluid at the water inlet of the heat exchanger 20 is lower, the flow rate of the fluid is increased, and the flow rate of the liquid outlet of the heat exchanger 20 is increased, so that the fluid in the second loop and the fluid in the first loop can rapidly exchange heat in the heat exchanger 20, the temperature of the fluid flowing out of the liquid outlet of the heat exchanger 20 is reduced, and the temperature of the server is further reduced, so that the server can work in a constant temperature environment.
Referring to fig. 3, fig. 3 is a flowchart illustrating another control method for a cooling system according to an embodiment of the present disclosure.
S201, respectively determining an environment temperature value and a temperature value of a water outlet of a cooler, wherein the environment temperature value is a temperature value of an indoor room where a server is located.
S202, determining a regulation mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler.
And S203, when the adjusting mode of the cooling system is the down-converting adjusting mode, determining a second working frequency of a second controlled object in the down-converting adjusting mode, and controlling the second controlled object to operate at the second working frequency so as to reduce the temperature of the server.
In the step, the second controlled object comprises a liquid pump and a water pump, the second working frequency comprises a second working frequency of the liquid pump and a second working frequency of the water pump, and the second working frequency of the liquid pump is determined in the following way:
and calculating the working frequency of the second liquid pump according to the product of the temperature value of the water outlet of the cooler, the reciprocal of the first preset temperature value and the current working frequency of the liquid pump.
Here the second pump operating frequency F 4 The calculation formula of (2) is as follows:
wherein N is a first preset temperature value f 4 T1 is the temperature value at the water outlet of the cooler 30 for the current operating frequency of the liquid pump 40.
And determining the second water pump working frequency by:
and calculating the working frequency of the second water pump according to the product of the temperature value of the water outlet of the cooler, the reciprocal of the first preset temperature value and the current working frequency of the water pump.
Here the second water pump operating frequency F 5 The calculation formula of (2) is as follows:
wherein N is a first preset temperature value f 5 T1 is the temperature value at the water outlet of the cooler 30, which is the current operating frequency of the water pump 50.
In the down-conversion adjustment mode, the operating frequencies of the water pump 50 and the liquid pump 40 are simultaneously increased, the flow rate of the fluid at the water inlet of the heat exchanger 20 is reduced, and the flow rate of the fluid at the liquid outlet of the heat exchanger 20 is reduced, so that the fluid in the second loop and the fluid in the first loop exchange heat in the heat exchanger 20, and the temperature of the server is further reduced, so that the server can operate in a constant temperature environment. Compared with the frequency-up regulation mode, the power consumption of the cooling system is reduced while the cooling effect is ensured.
After step S103 or S203, it waits for the next ambient temperature value to be obtained and executes step S1010.
Compared with the control water pump and the dry cooler in the prior art, the control method of the cooling system achieves constant temperature of the data center through power-on or power-off, reduces damage to electronic components and changes of system energy consumption caused by thermal load changes, and improves stability and reliability of the cooling system.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a cooling system according to an embodiment of the present application, and fig. 5 is a schematic connection diagram of the cooling system according to the embodiment of the present application. As shown in fig. 4 and 5, the cooling system provided by the embodiment of the present application includes at least a liquid-cooled cabinet 10, a heat exchanger 20, a cooler 30, a water pump 50, a liquid pump 40, and a controller 60.
The server is placed in the liquid cooling cabinet 10, a hot fluid side of the heat exchanger 20 and the liquid cooling cabinet 10 form a first loop, a cold fluid side of the heat exchanger 20 and the cooler 30 form a second loop, a liquid outlet and a liquid inlet are formed in the hot fluid side, a water outlet and a water inlet are formed in the cold fluid side, the liquid pump 40 is arranged between the liquid outlet of the heat exchanger 20 and the liquid inlet of the liquid cooling cabinet 10, the water pump 50 is arranged between the water outlet of the cooler 30 and the water inlet of the heat exchanger 20, and the controller 60 is connected with the water pump 50, the liquid pump 40 and the cooler 30 respectively.
Wherein the arrows in fig. 4 are used to indicate the direction of flow of the fluid in the first and second circuits.
The controller 60 determines an ambient temperature value, which is a temperature value of the room in which the server is located, and a temperature value of the water outlet of the cooler 30, respectively. The controller 60 determines the regulation mode of the cooling system based on the determined ambient temperature value and the temperature value of the water outlet of the cooler 30.
When the adjustment mode of the cooling system is the frequency-up adjustment mode, the controller 60 determines the first liquid pumping frequency of the liquid pump 40, the first water pumping frequency of the water pump 50, and the cooler operating frequency of the cooler 30 in the frequency-up adjustment mode based on the temperature difference between the liquid outlets of the liquid-cooling cabinets 10 in the preset time interval, and respectively controls the liquid pump 40 to operate at the first liquid pumping frequency, the water pump 50 to operate at the first water pumping frequency, and the cooler 30 to operate at the cooler operating frequency, so as to reduce the temperature of the server.
When the conditioning mode of the cooling system is the down-conditioning mode, the controller 60 determines a second pump frequency of the liquid pump 40 and a second pump frequency of the water pump 50 in the down-conditioning mode, and controls the liquid pump 40 to operate at the second pump frequency and the water pump 50 to operate at the second pump frequency, respectively, to reduce the temperature of the server.
Wherein, a temperature measuring element is also arranged in the room of the data center and is connected with the controller 60 to obtain the environmental temperature value. Temperature measuring elements are arranged at the water outlet of the cooler 30, the liquid outlet of the liquid cooling cabinet 10, the liquid outlet, the liquid inlet, the water outlet and the water inlet of the heat exchanger 20, so as to acquire the temperature value of the fluid passing through the temperature measuring elements and send the temperature value to the controller 60.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. As shown in fig. 6, the electronic device 600 includes a processor 610, a memory 620, and a bus 630.
The memory 620 stores machine-readable instructions executable by the processor 610, when the electronic device 600 runs, the processor 610 communicates with the memory 620 through the bus 630, and when the machine-readable instructions are executed by the processor 610, the steps of the control method of the cooling system in the above embodiments may be executed.
An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the control method of the cooling system in the foregoing embodiments may be executed.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described apparatus embodiments are merely illustrative, and for example, the division of the units into only one type of logical function may be implemented in other ways, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some communication interfaces, indirect coupling or communication connection between devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in software functional units and sold or used as a stand-alone product, may be stored in a non-transitory computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the embodiments described in the foregoing embodiments, or make equivalent substitutions for some features, within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A control method of a cooling system is characterized in that the cooling system at least comprises a liquid cooling cabinet, a heat exchanger and a cooler, a server is placed in the liquid cooling cabinet, a first loop is formed by a hot fluid side of the heat exchanger and the liquid cooling cabinet, a second loop is formed by a cold fluid side of the heat exchanger and the cooler,
wherein the control method comprises the following steps:
respectively determining an environment temperature value and a temperature value of a water outlet of the cooler, wherein the environment temperature value is a temperature value of an indoor room where the server is located;
determining a regulation mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler;
when the adjusting mode of the cooling system is the frequency-increasing adjusting mode, determining a first working frequency of a first controlled object in the frequency-increasing adjusting mode based on the temperature difference value of a liquid outlet of the liquid cooling cabinet in a preset time interval, and controlling the first controlled object to run at the first working frequency so as to reduce the temperature of the server;
and when the adjusting mode of the cooling system is the down-adjusting mode, determining a second working frequency of a second controlled object in the down-adjusting mode, and controlling the second controlled object to operate at the second working frequency so as to reduce the temperature of the server.
2. The method of claim 1, wherein the step of determining the first operating frequency of the first controlled object in the up-regulation mode based on the temperature difference at the outlet of the liquid-cooled cabinet within the preset time interval comprises:
determining a temperature change coefficient based on a temperature difference value of a liquid outlet of the liquid cooling cabinet in a preset time interval;
comparing the temperature change coefficient with a preset temperature change coefficient;
and when the temperature change coefficient is larger than a preset temperature change coefficient, executing the step of determining the first working frequency of the first controlled object in the frequency-increasing adjusting mode.
3. The method of claim 2, wherein the cooling system further comprises a liquid pump and a water pump, the hot fluid side is provided with a liquid outlet and a liquid inlet, the cold fluid side is provided with a water outlet and a water inlet, the liquid pump is disposed between the liquid outlet of the heat exchanger and the liquid inlet of the liquid cooling cabinet, the water pump is disposed between the water outlet of the cooler and the water inlet of the heat exchanger, the first controlled object comprises the liquid pump, the water pump and the cooler, the first operating frequency comprises a first liquid pump operating frequency, a first water pump operating frequency and a cooler operating frequency, and the first liquid pump operating frequency is determined by:
calculating the working frequency of the first liquid pump according to a first adjustment coefficient, the product of the reciprocal of the temperature difference between the temperature value of the liquid inlet of the heat exchanger and the temperature value of the liquid outlet of the heat exchanger and the current working frequency of the liquid pump;
and determining the first water pump operating frequency by:
and calculating the working frequency of the first water pump according to the product of the second adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the water outlet of the heat exchanger and the temperature value of the water inlet of the heat exchanger and the current working frequency of the water pump.
4. The method of claim 3, wherein the chiller operating frequency is determined by:
calculating the working frequency of the cooler according to the product of the second adjustment coefficient, the reciprocal of the temperature difference between the temperature value of the water outlet of the heat exchanger and the temperature value of the water inlet of the heat exchanger and a preset ratio,
the preset ratio is a ratio between the indoor temperature value and a first preset temperature value.
5. The method of claim 4, wherein the second controlled object comprises a liquid pump and a water pump, the second operating frequency comprises a second pump operating frequency and a second water pump operating frequency, and the second pump operating frequency is determined by: calculating the working frequency of the second liquid pump according to the product of the temperature value of the water outlet of the cooler, the reciprocal of the first preset temperature value and the current working frequency of the liquid pump;
and determining the second water pump working frequency by:
and calculating the working frequency of the second water pump according to the product of the temperature value of the water outlet of the cooler, the reciprocal of the first preset temperature value and the current working frequency of the water pump.
6. The method according to claim 5, wherein the step of determining a regulation mode of the cooling system based on the determined ambient temperature value and the temperature value of the water outlet of the cooler comprises:
comparing the ambient temperature value with a second preset temperature value;
when the environment temperature value is greater than a second preset temperature value, comparing the temperature value of the water outlet of the cooler with the first preset temperature value, wherein the second preset temperature value is less than the first preset temperature value;
when the temperature value of the water outlet of the cooler is greater than the first preset temperature value, determining that the adjusting mode of the cooling system is an up-conversion adjusting mode;
and when the temperature value of the water outlet of the cooler is smaller than the first preset temperature value, determining that the adjusting mode of the cooling system is a frequency-reducing adjusting mode.
7. The method of claim 2, wherein the temperature coefficient of change is determined by:
and calculating the ratio of the temperature difference of the liquid outlet of the liquid cooling cabinet in the preset time interval to serve as the temperature change coefficient.
8. A cooling system is characterized by at least comprising a liquid cooling cabinet, a heat exchanger, a cooler, a water pump, a liquid pump and a controller,
a server is arranged in the liquid cooling cabinet, a first loop is formed by a hot fluid side of the heat exchanger and the liquid cooling cabinet, a second loop is formed by a cold fluid side of the heat exchanger and the cooler, a liquid outlet and a liquid inlet are formed in the hot fluid side, a water outlet and a water inlet are formed in the cold fluid side, the liquid pump is arranged between the liquid outlet of the heat exchanger and the liquid inlet of the liquid cooling cabinet, the water pump is arranged between the water outlet of the cooler and the water inlet of the heat exchanger, and the controller is respectively connected with the water pump, the liquid pump and the cooler;
the controller respectively determines an environment temperature value and a temperature value of a water outlet of the cooler, wherein the environment temperature value is a temperature value of an indoor room where the server is located;
the controller determines the regulation mode of the cooling system according to the determined environment temperature value and the temperature value of the water outlet of the cooler;
when the adjusting mode of the cooling system is the frequency-up adjusting mode, the controller determines a first liquid pump frequency of a liquid pump, a first water pump frequency of a water pump and a cooler working frequency of a cooler in the frequency-up adjusting mode based on a temperature difference value of a liquid outlet of the liquid cooling cabinet in a preset time interval, and respectively controls the liquid pump to operate at the first liquid pump frequency, the water pump to operate at the first water pump frequency and the cooler to operate at the cooler working frequency so as to reduce the temperature of the server;
and when the adjusting mode of the cooling system is a frequency-reducing adjusting mode, the controller determines a second liquid pump frequency of the liquid pump and a second water pump frequency of the water pump in the frequency-reducing adjusting mode, and respectively controls the liquid pump to operate at the second liquid pump frequency and the water pump to operate at the second water pump frequency so as to reduce the temperature of the server.
9. An electronic device, comprising: a processor, a memory and a bus, the memory storing machine readable instructions executable by the processor, the processor and the memory communicating via the bus when the electronic device is operating, the processor executing the machine readable instructions to perform the steps of the method of controlling a cooling system according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, is adapted to carry out the steps of the method for controlling a cooling system according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211077984.4A CN115397212A (en) | 2022-09-05 | 2022-09-05 | Cooling system, control method thereof, electronic device and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211077984.4A CN115397212A (en) | 2022-09-05 | 2022-09-05 | Cooling system, control method thereof, electronic device and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117529066A (en) * | 2024-01-04 | 2024-02-06 | 浙江康盛热交换器有限公司 | Cooling unit control method and device, electronic equipment and computer readable medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117529066A (en) * | 2024-01-04 | 2024-02-06 | 浙江康盛热交换器有限公司 | Cooling unit control method and device, electronic equipment and computer readable medium |
| CN117529066B (en) * | 2024-01-04 | 2024-04-09 | 浙江康盛热交换器有限公司 | Cooling unit control method and device, electronic equipment and computer readable medium |
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