CN115135106A - Refrigeration control system, refrigeration control method, electronic device, and storage medium - Google Patents
Refrigeration control system, refrigeration control method, electronic device, and storage medium Download PDFInfo
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- CN115135106A CN115135106A CN202210802885.1A CN202210802885A CN115135106A CN 115135106 A CN115135106 A CN 115135106A CN 202210802885 A CN202210802885 A CN 202210802885A CN 115135106 A CN115135106 A CN 115135106A
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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
- H05K7/208—Liquid cooling with phase change
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- H—ELECTRICITY
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- 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
- H05K7/20718—Forced ventilation of a gaseous coolant
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application provides a refrigeration control system, a method, an electronic device and a storage medium, wherein the refrigeration control system comprises: the refrigeration system comprises a refrigeration module, a cold storage module and a control module; the control module is in communication connection with the refrigeration module and the cold storage module respectively; the refrigeration module is used for providing refrigeration capacity to refrigerate working equipment; the cold storage module is used for matching with the refrigeration module to refrigerate based on the refrigeration requirement of the working equipment or storing the refrigeration quantity emitted by the refrigeration module; the control module is used for controlling the refrigeration module and the cold storage module to provide cold based on a first refrigeration strategy. The instruction control system in the embodiment of the application can refrigerate and cool the working equipment based on the formulated refrigeration strategy, and reduces the switching frequency of the working state of the refrigeration control system, so that the operation energy consumption of the refrigeration control system can be reduced.
Description
Technical Field
The present application relates to the field of device heat dissipation, and in particular, to a refrigeration control system, a refrigeration control method, an electronic device, and a storage medium.
Background
At present, with the rapid development of new-generation information communication technologies such as internet, cloud computing, big data and artificial intelligence, a computing center providing data services presents a rapidly increasing situation, in the total energy consumption of the computing center, in order to enable a server to work normally, the server needs to be continuously cooled, so that a fault caused by the overhigh temperature of the server is prevented, but the energy consumption of a refrigeration control system used for cooling accounts for about 40% of the total energy consumption of the server, so that the problem that the operation energy consumption of the refrigeration control system is high at present exists.
Disclosure of Invention
Based on this, an object of the embodiments of the present application is to provide a refrigeration control system, a method, an electronic device, and a storage medium, in which a refrigeration strategy is formulated and a refrigeration storage module is used to cool down a working device, so as to reduce a switching frequency of a working state of the refrigeration control system, thereby reducing energy consumption of the refrigeration control system.
In a first aspect, an embodiment of the present application provides a refrigeration control system, including:
the refrigeration system comprises a refrigeration module, a cold storage module and a control module; the control module is respectively in communication connection with the refrigeration module and the cold storage module;
the refrigeration module is used for providing refrigeration capacity to refrigerate working equipment;
the cold storage module is used for matching with the refrigeration module to refrigerate based on the refrigeration requirement of the working equipment or storing the refrigeration quantity emitted by the refrigeration module;
the control module is used for controlling the refrigeration module and the cold storage module to provide cold quantity based on a first refrigeration strategy;
wherein the first refrigeration strategy may include:
controlling the refrigeration module to release refrigeration capacity based on the first required refrigeration capacity at a first moment; wherein the first required cooling capacity is determined based on a cooling capacity required for each of the working devices and a cooling correction coefficient, or is determined based on a cooling capacity required for each component of the working devices and the cooling correction coefficient;
acquiring a second required refrigerating capacity of the working equipment at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; the second moment is a moment after any interval of the first moment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating equipment, controlling the refrigerating module to increase the refrigerating capacity; and
and when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, controlling the refrigerating module to reduce the refrigerating capacity.
In the implementation process, the working equipment can be cooled based on the formulated refrigeration strategy, the working condition change of the refrigeration module is controlled only under two conditions that the increment of the cold quantity demand of the server is greater than that of the current cold quantity storage module, or the cold quantity demand of the server is reduced and the cold quantity stored by the cold storage module reaches the maximum, the switching frequency of the working state of the refrigeration control system can be reduced, and therefore the running energy consumption of the refrigeration control system can be reduced.
Optionally, wherein the first refrigeration strategy may further include:
when the comparison result shows that the second required refrigerating capacity is larger than the first required refrigerating capacity and smaller than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating equipment, the refrigerating module is configured to be in a working state of providing refrigerating capacity; or
When the comparison result indicates that the second required refrigeration capacity is equal to the first required refrigeration capacity, configuring the refrigeration module to keep the same working state as the first moment, and configuring the cold storage module to be in an idle state of stopping working; or
And when the comparison result shows that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current cold storage capacity of the cold storage equipment does not reach the maximum cold storage capacity, configuring the refrigerating module in the working state same as that at the first moment, and configuring the cold storage module in the working state for storing the cold storage capacity.
In the implementation process, the working equipment can be cooled based on the formulated refrigeration strategy, when the increase of the cold quantity demand of the server is greater than the cold quantity of the current cold storage module, or the cold quantity demand of the server is reduced and the cold quantity stored by the cold storage module reaches the maximum value, the cold storage module is adopted to participate in the cold quantity control of the server, the refrigeration module is ensured to maintain the original working condition operation in a longer time period, the switching frequency of the working state of the refrigeration control system can be reduced, the peak clipping and valley filling of energy consumption are realized, the operation energy consumption of the refrigeration control system can be reduced, and the service life of the refrigeration module is prolonged.
Optionally, the control module may be further operable to:
determining the cold quantity which can be provided by the cold storage module based on the safety coefficient of the cold storage equipment; the cold quantity which can be provided by the cold storage module is equal to the product of the safety coefficient and the current cold storage quantity of the cold storage equipment;
controlling the refrigeration module and the cold storage module to provide cold energy based on a second refrigeration strategy;
wherein the second refrigeration strategy comprises:
controlling the refrigeration module to release refrigeration capacity based on the first required refrigeration capacity at a first moment; wherein the first required cooling capacity is determined based on a cooling capacity required for each of the working devices and a cooling correction coefficient, or is determined based on a cooling capacity required for each component of the working devices and the cooling correction coefficient;
acquiring a second required refrigerating capacity of the working equipment at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; the second moment is a moment after any interval of the first moment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the refrigerating capacity which can be currently provided by the cold storage equipment, controlling the refrigerating module to increase the refrigerating capacity;
and when the comparison result indicates that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage device reaches the maximum refrigerating capacity, controlling the refrigerating module to reduce the refrigerating capacity.
In the implementation process, the cold quantity which can be safely provided by the cold storage module can be determined based on the safety factor of the cold storage module, and the working state of the cold storage module is controlled based on the cold quantity, so that the working equipment is cooled by matching with the refrigeration module in a safe state, and the control precision and the safety of a refrigeration control system can be improved.
Optionally, the refrigeration module may include at least one air-cooled refrigeration module and at least one liquid-cooled refrigeration module, and the air-cooled refrigeration module and the liquid-cooled refrigeration module are both in communication with the control module.
In a second aspect, an embodiment of the present application provides a refrigeration control method, which is applied to a refrigeration control system, where the refrigeration control system includes: the refrigeration system comprises a refrigeration module, a cold storage module and a control module; the refrigeration module is used for providing refrigeration capacity to refrigerate working equipment; the cold storage module is used for matching with the refrigeration module to refrigerate based on the refrigeration requirement of the working equipment or storing the refrigeration quantity emitted by the refrigeration module; the control module is used for controlling the refrigeration module and the cold storage module to provide cold energy;
the method can comprise the following steps:
controlling the refrigeration module to release the refrigeration capacity by the control module based on the first required refrigeration capacity at a first time; wherein the first required cooling capacity is determined based on a cooling capacity required for each of the working devices and a cooling correction coefficient, or is determined based on a cooling capacity required for each component of the working devices and the cooling correction coefficient;
acquiring a second required refrigerating capacity of the working equipment at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; the second moment is a moment after any interval of the first moment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating storage equipment, the control module controls the refrigerating module to increase the refrigerating capacity; and
and when the comparison result indicates that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage device reaches the maximum refrigerating capacity, the control module controls the refrigerating module to reduce the refrigerating capacity.
Optionally, the method may further include:
when the comparison result indicates that the second required refrigerating capacity is larger than the first required refrigerating capacity and smaller than the sum of the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment, the control module controls the cold storage module to provide refrigerating capacity; or
When the comparison result represents that the second required refrigerating capacity is equal to the first required refrigerating capacity, the control module controls the refrigerating module to keep the same working state as the first moment and controls the cold storage module to be in an idle state in which the cold storage module stops working; or
And when the comparison result indicates that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current cold storage capacity of the cold storage equipment does not reach the maximum cold storage capacity, the control module controls the refrigerating module to keep the same working state as the first moment and controls the cold storage module to store the cold storage capacity.
Optionally, after the second required cooling capacity of the working device is obtained at the second time, and the second required cooling capacity is compared with the first required cooling capacity to obtain a comparison result, the method may further include:
determining the cold quantity which can be provided by the cold storage module based on the safety coefficient of the cold storage equipment; the cold quantity which can be provided by the cold storage module is equal to the product of the safety coefficient and the current cold storage quantity of the cold storage equipment;
and when the comparison result shows that the second required refrigerating capacity is greater than the sum of the first required refrigerating capacity and the refrigerating capacity which can be currently provided by the cold storage equipment, the control module controls the refrigerating module to increase the refrigerating capacity.
Optionally, the first required cooling capacity is obtained based on the following formula, and the formula includes:
W＝k(W s1 +W s2 +W s3 +…+W sn )+W h
wherein W is the first required cooling capacity, k is the refrigeration correction coefficient, (W) s1 +W s2 +W s3 +…+W sn ) The cooling capacity required for each of the working devices or the cooling capacity required for each component of the working device, W h Based on environmental impact and other equipment required cooling capacity.
In a third aspect, an embodiment of the present application provides an electronic device, where the electronic device includes a memory and a processor, where the memory stores program instructions, and the processor executes the steps in any one of the foregoing implementation manners when reading and executing the program instructions.
In a fourth aspect, an embodiment of the present application further provides a computer-readable storage medium, where computer program instructions are stored in the computer-readable storage medium, and when the computer program instructions are read and executed by a processor, the steps in any of the foregoing implementation manners are performed.
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 of the present application 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 that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a refrigeration control system provided by an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating a refrigeration control system applied to refrigeration of a working device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a cold storage module according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating steps of a refrigeration control method according to an embodiment of the present application;
fig. 5 is a schematic step diagram of performing refrigeration control in combination with a safety factor of a cold storage device according to an embodiment of the present application.
Icon: 10-a refrigeration control system; 11-a refrigeration module; 111-air cooling refrigeration module; 1111-a condenser; 1112-an evaporator; 112-liquid cooling refrigeration module; 1121-CDU; 1122-liquid cooling refrigeration air conditioner; 12-cold storage module; 121-air cooling cold quantity inlet; 122-air cooling cold quantity outlet; 123-cold storage medium; 124-liquid cooling cold inlet; 125-liquid cooling cold energy outlet; 13-a control module; 14-a monitoring module; 20-working equipment; 30-a cabinet.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. For example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The applicant finds that, in the research process, most of the existing data center refrigeration control systems focus on the inlet and outlet temperature of a server and the inlet and return air temperature of the refrigeration control system aiming at the heat of a machine room, the monitoring on the heat of the machine room and the temperature of the server is inaccurate, and in order to reduce the influence of monitoring errors on the server, a high-power operation method of the refrigeration control system is adopted, and the total refrigeration capacity is usually higher than the actually required refrigeration capacity.
Secondly, most of the existing data rooms have a local hot spot problem when the load changes greatly, because the temperature of the room is delayed due to factors such as pipelines of a refrigeration control system, and the like, and the best refrigeration effect is difficult to achieve. In order to reduce the risk of data center over-temperature, the refrigeration control system is generally operated with high power at present.
In addition, the matching degree of the refrigerating capacity required by the server and the refrigerating capacity provided by the refrigerating control system is insufficient, an effective and reasonable refrigerating control system control strategy is lacked, a high-power operation mode of the refrigerating control system can be usually selected, and the total refrigerating capacity is higher than the actual requirement, so that a lot of unnecessary energy consumption is caused.
Therefore, the embodiment of the present application provides a refrigeration control system 10, which operates a refrigeration strategy through a control module 13 of the refrigeration control system 10 and cooperates with a cold storage module 12 of the refrigeration control system 10 to cool down a working device 20, so as to reduce a switching frequency of a working state of the refrigeration control system 10, thereby reducing energy consumption for operating the refrigeration control system 10. Referring to fig. 1, fig. 1 is a schematic diagram of a refrigeration control system according to an embodiment of the present application, wherein the refrigeration control system 10 may include: a refrigeration module 11, a cold storage module 12 and a control module 13; the control module 13 is in communication connection with the refrigeration module 11 and the cold storage module 12, so that a control signal can be sent to the refrigeration module 11 or the cold storage module 12 to control the refrigeration module 11 or the cold storage module 12.
Illustratively, the refrigeration module 11 is used for providing refrigeration to refrigerate the working device 20; the cold storage module 12 is configured to cooperate with the refrigeration module 11 to perform refrigeration based on the refrigeration requirement of the working device 20, or store the refrigeration capacity emitted by the refrigeration module 11; the control module 13 is configured to control the refrigeration module 11 and the cold storage module 12 to provide cold based on a first refrigeration strategy.
Specifically, please refer to fig. 2 in combination with fig. 1, wherein fig. 2 is a schematic diagram illustrating a principle of the refrigeration control system applied to refrigeration of the working device according to the embodiment of the present application. The working device 20 may be one server, or may be a server cluster composed of a plurality of servers. The refrigeration module 11 may include an air-cooling refrigeration module 111 and a liquid-cooling refrigeration module 112, the number of the air-cooling refrigeration module 111 and the number of the liquid-cooling refrigeration module 112 may be specifically set according to an actual application scenario, and in the embodiment of the present application, one air-cooling refrigeration module 111 and one liquid-cooling refrigeration module 112 are used for description.
The air-cooled refrigeration module 111 may specifically include a condenser 1111 and an evaporator 1112, and the heat of the server is taken away by the evaporator 1112 and reaches the condenser 1111 through a pipeline, so as to release the heat of the server. The liquid cooling refrigeration module 112 may specifically include a refrigeration liquid distribution unit (CDU)1121 and a liquid cooling refrigeration air conditioner 1122, where the refrigeration air conditioner in the liquid cooling refrigeration module 112 prepares chilled water for the CDU1121 and stores the chilled water in the CDU1121, and sends the chilled water to the cold plate liquid cooling part of the server through a pipeline to take away heat of the cold plate liquid cooling part, thereby achieving cooling of the cold plate liquid cooling part.
Referring to fig. 3 for a schematic structural view of the cold storage module 12, fig. 3 is a schematic structural view of the cold storage module provided in the embodiment of the present application, and the cold storage module 12 may include: an air-cooling cold inlet 121, an air-cooling cold outlet 122, a cold storage medium 123, a liquid-cooling cold inlet 124 and a liquid-cooling cold outlet 125; the cold storage module 12 collects the excess cold of the air cooling refrigeration module 111 and the liquid cooling refrigeration module 112 through the air cooling cold inlet 121 and the liquid cooling cold inlet 124, respectively, and stores the cold through the cold storage medium 123, so as to cooperate with the refrigeration module 11 to cool the working equipment 20.
The cold storage medium 123 may be a phase change material or water.
In this embodiment, for example, a plurality of servers are provided, the plurality of servers may be provided in the cabinet 30, and the cold storage module 12 may be provided beside the cabinet 30, so that the auxiliary cooling module 11 cools the servers.
Specifically, the first refrigeration strategy may include:
controlling the refrigeration module 11 to release refrigeration capacity based on a first required refrigeration capacity at a first moment; wherein the first required cooling capacity is determined based on the cooling capacity required by each of the working devices 20 and the cooling correction coefficient, or based on the cooling capacity required by each of the components of the working devices 20 and the cooling correction coefficient.
The refrigerating capacity required by each working device 20 can be calculated by the monitoring module 14 of the refrigeration control system 10 based on the law of conservation of energy, and the monitoring module 14 is connected to the refrigeration module 11, the cold storage module 12, the control module 13 and the working device 20, and is used for monitoring the working state of each module. For example, one monitoring module 14 may monitor the operating states of the air-cooling refrigeration module 111 and the liquid-cooling refrigeration module 112 simultaneously, or a plurality of monitoring modules 14 may be arranged to monitor the operating states of each of the air-cooling refrigeration module 111 and the liquid-cooling refrigeration module 112, so that the control strategies are independent from each other and operate more efficiently.
For the air-cooled refrigeration module 111, it can be based on the formula W sn Obtaining the air cooling refrigerating capacity W needed by a single server sn Wherein c is the specific heat capacity of air, rho is the air density, q is the air flow passing through the server, and Delta T is the temperature difference of the inlet and the outlet of the server.
For the liquid-cooled refrigeration module 112, it may be based on the formula W yn ＝c y ρ y q y △T y Obtaining the liquid cooling refrigerating capacity W required by a single server yn Wherein c is y Specific heat capacity of refrigerating liquid, p y To refrigerate the liquid density, q y For the flow of refrigerating liquid, Δ T y The temperature difference between the inlet and the outlet of the liquid cooling part.
After the refrigeration capacity required by each server is obtained, the refrigeration capacity required by the working equipment 20 can be determined by multiplying the sum of the added refrigeration capacities required by all the servers by a refrigeration correction coefficient, wherein the refrigeration correction coefficient can be determined mainly based on the length of a refrigeration pipeline of air cooling or liquid cooling, the position of the server and the error of monitoring data, and the determination method can be that the historical data of the working equipment is obtained, and the influence of the error of the refrigeration pipeline length, the position of the server and the monitoring data on the refrigeration capacity is determined by performing analog simulation on the historical data, so that the value of the refrigeration correction coefficient is obtained.
In addition, when determining the cooling capacity required by the working device 20, the total required cooling capacity can be obtained by integrating the cooling capacity required by the working device 20 and the cooling capacity required by other devices in consideration of the influence of the environment or the cooling capacity required by other devices.
Acquiring a second required refrigeration capacity of the working equipment 20 at a second moment, and comparing the second required refrigeration capacity with the first required refrigeration capacity to obtain a comparison result; and the second moment is a moment after any interval of the first moment.
And when the comparison result shows that the second required refrigerating capacity is greater than the sum of the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment, controlling the refrigerating module 11 to increase the refrigerating capacity.
And when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, controlling the refrigerating module 11 to reduce the refrigerating capacity.
It should be noted that the first time and the second time are not exclusive, and the control strategy may be repeatedly executed periodically or as many times as required during the operation of the operating device, and after a second time, the second time may be used to represent a time of the operation of the operating device, and the second time in the last control strategy may be used as the first time in the control strategy.
Therefore, the refrigeration control system provided by the embodiment of the application can refrigerate and cool working equipment based on a formulated refrigeration strategy, and only controls the working condition change of the refrigeration module under two conditions that the increment of the cold quantity demand of the server is greater than that of the current cold storage module or the cold quantity demand of the server is reduced and the cold quantity stored by the cold storage module reaches the maximum simultaneously, so that the switching frequency of the working state of the refrigeration control system can be reduced, and the running energy consumption of the refrigeration control system can be reduced.
In an optional embodiment, the first refrigeration strategy may further include:
when the comparison result indicates that the second required refrigeration capacity is greater than the first required refrigeration capacity and less than the sum of the first required refrigeration capacity and the current cold storage capacity of the cold storage device, configuring the cold storage module 12 to be in a working state of providing cold capacity; or
When the comparison result indicates that the second required refrigeration capacity is equal to the first required refrigeration capacity, configuring the refrigeration module 11 to maintain the same working state as the first moment, and configuring the cold storage module 12 to be in an idle state in which the operation is stopped; or
And when the comparison result shows that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current cold storage capacity of the cold storage equipment does not reach the maximum cold storage capacity, configuring the refrigerating module 11 in the same working state as the first moment, and configuring the cold storage module 12 in the working state of cold storage.
Therefore, the refrigeration control system provided by the embodiment of the application can refrigerate and cool working equipment based on a formulated refrigeration strategy, when the increment of the cold quantity demand of the server is larger than the cold quantity of the current cold storage module, or under the condition that the cold quantity demand of the server is reduced and the cold quantity stored by the cold storage module reaches the maximum value, the cold storage module is adopted to participate in cold quantity control on the server, the refrigeration module is ensured to maintain the original working condition to run in a longer time period, the switching frequency of the working state of the refrigeration control system can be reduced, peak clipping and valley filling of energy consumption are realized, the running energy consumption of the refrigeration control system can be reduced, and the working life of the refrigeration module is prolonged.
Optionally, the control strategy provided in this embodiment of the application may also be optimized for the actual working condition of the refrigeration control system 10, and the cold energy safety factor of the cold storage module may be added therein, and the cold energy that the cold storage module 12 can safely provide is determined based on the cold energy safety factor of the cold storage module, so as to improve the control accuracy and the safety of the refrigeration control system 10.
Wherein the control module 13 is further configured to:
determining the cold quantity which can be provided by the cold storage module 12 based on the safety factor of the cold storage device; wherein, the cold quantity which can be provided by the cold storage module 12 is equal to the product of the safety factor and the current cold storage quantity of the cold storage device; and controlling the refrigeration module 11 and the cold storage module 12 to provide refrigeration based on a second refrigeration strategy.
Wherein, the second strategy is obtained by combining the first strategy and the safety factor of the cold storage module 12, and the second refrigeration strategy may include:
controlling the refrigeration module 11 to release refrigeration capacity based on a first required refrigeration capacity at a first moment; wherein the first required cooling capacity is determined based on the cooling capacity required by each of the working devices 20 and the cooling correction coefficient, or based on the cooling capacity required by each of the components of the working devices 20 and the cooling correction coefficient.
Acquiring a second required refrigerating capacity of the working equipment 20 at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; and the second moment is a moment after any interval of the first moment.
And when the comparison result shows that the second required refrigerating capacity is greater than the sum of the first required refrigerating capacity and the refrigerating capacity which can be currently provided by the cold storage equipment, controlling the refrigerating module 11 to increase the refrigerating capacity.
And when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, controlling the refrigerating module 11 to reduce the refrigerating capacity.
For example, continuing with the schematic diagram of fig. 2 applied to cooling of the working device, the control strategy of the control module 13 may specifically include:
according to the formula W ═ k (W) s1(t) +W s2(t) +W s3(t) +…+W sn(t) )+W h And
W y ＝k y (W y1(t) +W y2(t) +W y3(t) +…+W yn(t) )+W h determining a first required cooling capacity of the server at a first moment, wherein W is the cooling capacity provided by the air-cooled cooling module 111, and W is the cooling capacity of the server at the first moment y The amount of cooling provided to the liquid cooled refrigeration module 112, k is the refrigeration correction factor, W s1(t) To W sn(t) And W y1(t) To W yn(t) Air-cooling capacity or liquid-cooling capacity, W, required for each server h The amount of refrigeration required for environmental influences or other equipment.
And determining the second required refrigerating capacity of the server again at the second moment according to the mode, comparing the second required refrigerating capacity with the first required refrigerating capacity, and continuously comparing whether the refrigerating capacity wc (t) of the current cold storage module 12 is the maximum refrigerating capacity wc (MAX) or not when the second required refrigerating capacity is smaller than the first required refrigerating capacity. If wc (t) < wc (max), that is, the cooling capacity of the current cold storage module 12 does not reach the maximum cooling capacity, the air-cooled cooling capacity inlet 121 and the liquid-cooled cooling capacity inlet 124 of the cold storage module 12 are controlled to be opened, and the air-cooled cooling capacity outlet 122 and the liquid-cooled cooling capacity outlet 125 are controlled to be closed, so that the cold storage module 12 starts to store cold. At this time, the refrigeration module 11 continues to operate according to the original working condition. If wc (t) ═ wc (max), that is, the cooling capacity wc (t) of the current cooling storage module 12 reaches the maximum cooling capacity wc (max), the cooling storage module 12 is controlled not to work, and the refrigeration module 11 continues to operate according to the original working condition.
If the second required refrigerating capacity is equal to the first required refrigerating capacity, the cold storage module 12 is controlled not to work at this time, and the refrigerating module 11 continues to operate according to the original working condition.
If the second required refrigerating capacity is larger than the first required refrigerating capacity, calculating and judging a difference value between Wn (t) -Wn (t-1) and m × wc (t), wherein Wn (t) is the second required refrigerating capacity, Wn (t-1) is the first required refrigerating capacity, m is a refrigerating capacity safety coefficient of the cold storage module, the coefficient is between 0 and 1, and wc (t) represents the refrigerating capacity of the current cold storage module.
If Wsn (t) -Wsn (t-1) < m × wc (t), the increased cooling demand of the server is less than m times the cooling of the current cooling storage module. At this time, the air-cooling cold inlet 121 and the liquid-cooling cold inlet 124 of the cold storage module 12 are closed, the air-cooling cold outlet 122 and the liquid-cooling cold outlet 125 are opened, the cold storage module 12 starts to provide increased cold demand for the server, and the refrigeration module 11 continues to operate according to the original working condition.
If Wsn (t) -Wsn (t-1) ≧ m × wc (t), the increased cooling capacity demand of the server is greater than or equal to m times of the cooling capacity of the current cooling storage module. At this time, the air-cooling cold inlet 121 and the liquid-cooling cold inlet 124 of the cold storage module 12 are closed, the air-cooling cold outlet 122 and the liquid-cooling cold outlet 125 are opened, and meanwhile, the refrigerating module 11 increases the refrigerating capacity. The cold storage module 12 and the refrigeration module 11 together provide the air cooling requirement for the server.
It should be understood that, in the implementation process, the air-cooling refrigeration module 111 and the liquid-cooling refrigeration module 112 are controlled simultaneously, and in the actual application process, the air-cooling refrigeration module 111 and the liquid-cooling refrigeration module 112 may be controlled separately, and the separate control manner is the same as that in the implementation process, and is not described herein again.
Therefore, the cooling capacity that the cold storage module can safely provide can be determined based on the safety factor of the cold storage module in the embodiment of the application, the working state of the cold storage module can be controlled based on the cooling capacity, the working equipment can be cooled by matching the refrigeration module in a safe state, and the control precision and the safety of a refrigeration control system can be improved.
Based on the same inventive concept, an embodiment of the present application further provides a refrigeration control method, please refer to fig. 4, where fig. 4 is a schematic step diagram of the refrigeration control method provided in the embodiment of the present application, and the refrigeration control method may be applied to the refrigeration control system provided in the foregoing implementation manner, and the method may include the steps of:
in step S41, the control module controls the refrigeration module to release cooling capacity based on a first required cooling capacity at a first time.
Wherein the first required cooling capacity is determined based on a cooling capacity required for each of the working devices and a cooling correction coefficient, or is determined based on a cooling capacity required for each component of the working devices and the cooling correction coefficient.
In step S42, a second required cooling capacity of the working device is obtained at a second time, and the second required cooling capacity is compared with the first required cooling capacity to obtain a comparison result.
And the second moment is a moment after any interval of the first moment. The first time and the second time are not unique, the control strategy can be repeatedly executed periodically or according to needs for a plurality of times during the working process of the working equipment, after one second time, the second time can be used for representing one working time of the working equipment, and the second time in the last control strategy is taken as the first time in the control strategy.
In step S43, when the comparison result indicates that the second required cooling capacity is greater than the sum of the first required cooling capacity and the current cooling capacity of the cooling storage device, the control module controls the cooling module to increase the cooling capacity.
In step S44, when the comparison result indicates that the second required cooling capacity is smaller than the first required cooling capacity and the current cooling capacity of the cooling storage device reaches the maximum cooling capacity, the control module controls the cooling module to reduce the cooling capacity.
The implementation manner of controlling the refrigeration control system by the method may specifically refer to the workflow of the refrigeration control system, and is not described herein again.
Therefore, the working condition change of the refrigeration module can be controlled only under two conditions that the increment of the server cold quantity demand is greater than the cold quantity of the current cold storage module or the server cold quantity demand is reduced and the cold quantity stored by the cold storage module reaches the maximum, the switching frequency of the working state of the refrigeration control system can be reduced, and the running energy consumption of the refrigeration control system can be reduced.
Optionally, the refrigeration control method may further include, on the basis of the above steps:
and when the comparison result shows that the second required refrigerating capacity is greater than the first required refrigerating capacity and less than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating equipment, the control module controls the refrigerating module to provide refrigerating capacity.
Or when the comparison result indicates that the second required refrigeration capacity is equal to the first required refrigeration capacity, the control module controls the refrigeration module to keep the same working state as the first moment and controls the cold storage module to be in an idle state in which the refrigeration module stops working.
Or when the comparison result shows that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current cold storage capacity of the cold storage equipment does not reach the maximum cold storage capacity, the control module controls the refrigerating module to keep the same working state as the first moment and controls the cold storage module to store the cold.
Therefore, according to the embodiment of the application, when the increment of the cold quantity demand of the server is larger than the cold quantity of the current cold storage module, or the cold quantity demand of the server is reduced and the cold quantity stored by the cold storage module is beyond the maximum, the cold storage module is adopted to participate in the cold quantity control of the server, the refrigeration module is ensured to maintain the original working condition to operate in a longer time period, the switching frequency of the working state of the refrigeration control system can be reduced, the peak clipping and valley filling of energy consumption are realized, the operating energy consumption of the refrigeration control system can be reduced, and the working life of the refrigeration module is prolonged.
In an alternative embodiment, after step S42, the present application further provides an implementation manner of performing refrigeration control in combination with the safety factor of the cold storage device, please refer to fig. 5, where fig. 5 is a schematic diagram of a step of performing refrigeration control in combination with the safety factor of the cold storage device, where the step may include:
in step S51, the amount of cold that can be provided by the cold storage module is determined based on the safety factor of the cold storage device.
The cold quantity which can be provided by the cold storage module is equal to the product of the safety factor and the current cold storage quantity of the cold storage equipment.
In step S52, when the comparison result indicates that the second required cooling capacity is greater than the sum of the first required cooling capacity and the cooling capacity that can be currently provided by the cold storage device, the control module controls the cooling module to increase the cooling capacity.
Therefore, the cooling capacity that the cold storage module can safely provide can be determined based on the safety factor of the cold storage module in the embodiment of the application, the working state of the cold storage module can be controlled based on the cooling capacity, the working equipment can be cooled by matching the refrigeration module in a safe state, and the control precision and the safety of a refrigeration control system can be improved.
Based on the same inventive concept, an embodiment of the present application further provides an electronic device, where the electronic device includes a memory and a processor, where the memory stores program instructions, and the processor executes the steps in any one of the above implementation manners when reading and executing the program instructions.
Based on the same inventive concept, embodiments of the present application further provide a computer-readable storage medium, where computer program instructions are stored, and when the computer program instructions are read and executed by a processor, the computer program instructions perform steps in any of the above-mentioned implementation manners.
The computer-readable storage medium may be a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and other various media capable of storing program codes. The storage medium is used for storing a program, and the processor executes the program after receiving an execution instruction.
In the embodiments provided in the present application, it should be understood that the disclosed 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 mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
In addition, 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 place, or may be distributed on a plurality of 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 modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist alone, or two or more modules may be integrated to form an independent part.
Alternatively, all or part may be implemented by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part.
The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.).
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (14)
1. A refrigeration control system, comprising: the refrigeration system comprises a refrigeration module, a cold storage module and a control module; the control module is respectively in communication connection with the refrigeration module and the cold storage module;
the refrigerating module is used for providing cold energy to refrigerate working equipment;
the cold storage module is used for matching with the refrigeration module to refrigerate based on the refrigeration requirement of the working equipment or storing the refrigeration quantity emitted by the refrigeration module;
the control module is used for controlling the refrigeration module and the cold storage module to provide cold quantity based on a first refrigeration strategy;
wherein the first refrigeration strategy comprises:
controlling the refrigeration module to release refrigeration capacity based on the first required refrigeration capacity at a first moment;
acquiring a second required refrigerating capacity of the working equipment at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; the second moment is a moment after any interval of the first moment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating equipment, controlling the refrigerating module to increase the refrigerating capacity;
and when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, controlling the refrigerating module to reduce the refrigerating capacity.
2. The system of claim 1, wherein the first refrigeration strategy further comprises:
when the comparison result shows that the second required refrigerating capacity is larger than the first required refrigerating capacity and smaller than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating equipment, the refrigerating module is configured to be in a working state of providing refrigerating capacity; or
When the comparison result represents that the second required refrigerating capacity is equal to the first required refrigerating capacity, configuring the refrigerating module to keep the same working state as the first moment, and configuring the cold storage module to be in an idle state in which the working is stopped; or
And when the comparison result shows that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current cold storage capacity of the cold storage equipment does not reach the maximum cold storage capacity, configuring the refrigerating module in the working state same as that at the first moment, and configuring the cold storage module in the working state for storing the cold storage capacity.
3. The system of claim 1, wherein the control module is further configured to:
determining the cold quantity which can be provided by the cold storage module based on the safety coefficient of the cold storage equipment; the cold quantity which can be provided by the cold storage module is equal to the product of the safety coefficient and the current cold storage quantity of the cold storage equipment;
controlling the refrigeration module and the cold storage module to provide cold energy based on a second refrigeration strategy;
wherein the second refrigeration strategy comprises:
controlling the refrigeration module to release refrigeration capacity based on the first required refrigeration capacity at a first moment;
acquiring a second required refrigerating capacity of the working equipment at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; the second moment is a moment after any interval of the first moment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the refrigerating capacity which can be currently provided by the cold storage equipment, controlling the refrigerating module to increase the refrigerating capacity; and
and when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, controlling the refrigerating module to reduce the refrigerating capacity.
4. The system of claim 1 or 3, wherein the control module is further configured to: the first required cooling capacity is determined based on a required cooling capacity and a cooling correction coefficient for each of the working devices, or based on a required cooling capacity and a cooling correction coefficient for each component of the working devices.
5. The system of claim 4, wherein the control module is further configured to:
and performing analog simulation on the monitoring data based on the monitoring data of the working equipment so as to determine the refrigeration correction coefficient based on the length of the refrigeration pipeline of the refrigeration module, the position of the working equipment and the error of the monitoring data.
6. The system of claim 1, wherein said refrigeration module comprises at least one of an air-cooled refrigeration module and a liquid-cooled refrigeration module, said air-cooled refrigeration module and said liquid-cooled refrigeration module being in communication with said control module.
7. The system of claim 6, wherein the control module is specifically configured to:
for the air cooling refrigeration module, based on formula W sn Determining the air cooling refrigerating capacity W required by the working equipment according to the c rho q delta T sn Wherein c is the specific heat capacity of air, rho is the air density, q is the air flow passing through the working equipment, and delta T is the temperature difference of the inlet and the outlet of the working equipment.
8. The system of claim 6, wherein the control module is specifically configured to:
for the liquid cooling refrigeration module, based on formula W yn ＝c y ρ y q y △T y Determining the liquid cooling refrigerating capacity W required by the working equipment yn Wherein c is y Specific heat capacity of refrigerating liquid, p y Density of refrigerating fluid, q y For the flow of refrigerating liquid, Δ T y The temperature difference between the inlet and the outlet of the liquid cooling part.
9. A refrigeration control method, applied to a refrigeration control system, the refrigeration control system comprising: the refrigeration system comprises a refrigeration module, a cold storage module and a control module; the refrigerating module is used for providing cold energy to refrigerate working equipment; the cold storage module is used for matching with the refrigeration module to refrigerate based on the refrigeration requirement of the working equipment or storing the cold energy emitted by the refrigeration module; the control module is used for controlling the refrigeration module and the cold storage module to provide cold energy;
the method comprises the following steps:
controlling the refrigeration module to release refrigeration capacity by the control module based on first required refrigeration capacity at a first moment;
acquiring a second required refrigerating capacity of the working equipment at a second moment, and comparing the second required refrigerating capacity with the first required refrigerating capacity to obtain a comparison result; the second moment is a moment after any interval of the first moment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating storage equipment, the control module controls the refrigerating module to increase the refrigerating capacity;
and when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, the control module controls the refrigerating module to reduce the refrigerating capacity.
10. The method of claim 9, further comprising:
when the comparison result shows that the second required refrigerating capacity is larger than the first required refrigerating capacity and smaller than the sum of the first required refrigerating capacity and the current refrigerating capacity of the refrigerating equipment, the control module controls the refrigerating module to provide refrigerating capacity;
or when the comparison result indicates that the second required refrigeration capacity is equal to the first required refrigeration capacity, the control module controls the refrigeration module to keep the same working state as the first moment and controls the cold storage module to be in an idle state in which the refrigeration module stops working;
or when the comparison result shows that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current cold storage capacity of the cold storage equipment does not reach the maximum cold storage capacity, the control module controls the refrigerating module to keep the same working state as the first moment and controls the cold storage module to store the cold.
11. The method according to claim 9, wherein after obtaining the second required cooling capacity of the working device at the second time and comparing the second required cooling capacity with the first required cooling capacity to obtain a comparison result, the method comprises:
determining the cold quantity which can be provided by the cold storage module based on the safety coefficient of the cold storage equipment; the cold quantity which can be provided by the cold storage module is equal to the product of the safety coefficient and the current cold storage quantity of the cold storage equipment;
when the comparison result shows that the second required refrigerating capacity is larger than the sum of the first required refrigerating capacity and the refrigerating capacity which can be currently provided by the cold storage equipment, the control module controls the refrigerating module to increase the refrigerating capacity;
and when the comparison result represents that the second required refrigerating capacity is smaller than the first required refrigerating capacity and the current refrigerating capacity of the cold storage equipment reaches the maximum refrigerating capacity, the control module controls the refrigerating module to reduce the refrigerating capacity.
12. The method of claim 9, wherein the first demand cooling capacity is based on a formula comprising:
W＝k(W s1 +W s2 +W s3 +…+W sn )+W h
wherein W is the first required cooling capacity, k is the refrigeration correction coefficient, (W) s1 +W s2 +W s3 +…+W sn ) The refrigerating capacity required for each of the working devices or the refrigerating capacity required for each component of the working device, W h Based on environmental impact and other equipment required cooling capacity.
13. An electronic device comprising a memory having stored therein program instructions and a processor that, when executed, performs the steps of the method of any of claims 9-12.
14. A computer-readable storage medium having computer program instructions stored thereon for execution by a processor to perform the steps of the method of any one of claims 9-12.
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| CN202210802885.1A CN115135106A (en) | 2022-07-07 | 2022-07-07 | Refrigeration control system, refrigeration control method, electronic device, and storage medium |
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| CN202210802885.1A CN115135106A (en) | 2022-07-07 | 2022-07-07 | Refrigeration control system, refrigeration control method, electronic device, and storage medium |
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