Energy-saving control method, system and computer-readable storage medium based on data center equipment power

Abstract

The present invention relates to an energy-saving control method, system and computer-readable storage medium based on data center equipment power, and the energy-saving control method includes: S1, power on; S2, collect ambient temperature and judge whether ambient temperature T0 reaches a first threshold; if so, go to step S3; S3, detect the temperature T1 of the outlet of the coolant of the liquid cooling cabinet, and judge the relationship between T1 and the second threshold and the third threshold; S4, collect the operating power of the server, and calculate its percentage X% with the rated power; S5, adjust the dry cooler load, the working frequency of the liquid pump and the water pump according to the percentage X%; S6, judge whether the first-order derivative change of the temperature T1 in adjacent collection cycles is greater than the fourth threshold; if not, and T1 is less than the third threshold, the dry cooler load is reduced by 3-7%; if so, and T1 is not less than the third threshold, the dry cooler load is increased by 10-30%. The present invention realizes safe operation and energy-saving operation of the data center.

Description

Technical Field

[0001] The present invention belongs to the field of intelligent control technology, and specifically relates to an energy-saving control method and system based on data center equipment power, and a computer-readable storage medium. Background Art

[0002] With the advancement of science and technology and the increase in data computing, the performance requirements of electronic information equipment are getting higher and higher, which leads to a significant increase in the heat generation and heat flux density of electronic components. The power consumption caused by cooling the heat generated by electronic components will also increase exponentially. At present, the total power consumption of IDC cabinets exceeds 10kW, which may reach more than 30kW in the future. The heat flux density is high, and the requirements for cooling equipment are also increased. Traditional air cooling cannot meet the heat dissipation needs, so liquid cooling is used to save electricity. However, due to changes in ambient temperature and changes in the power of IT equipment, the load is different, resulting in different energy consumption. Therefore, in order to ensure energy saving, liquid cooling control of liquid cooling cabinets is required.

[0003] The current liquid cooling control method is relatively lagging, that is, it is adjusted through changes in the liquid pool temperature, and then the next step of feedback is performed based on the adjusted liquid pool temperature, and the reaction cycle is relatively long. Summary of the invention

[0004] Based on the above-mentioned shortcomings and deficiencies in the prior art, one of the objects of the present invention is to at least solve one or more of the above-mentioned problems in the prior art. In other words, one of the objects of the present invention is to provide an energy-saving control method, system and computer-readable storage medium based on the power of data center equipment that meet one or more of the above-mentioned requirements.

[0005] In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical solutions:

[0006] An energy-saving control method based on the power of data center equipment, the data center equipment includes a server, the server is equipped with a liquid cooling system, the liquid cooling system includes a liquid cooling cabinet, a plate heat exchanger and a dry cooler, the liquid side inlet and the liquid side outlet of the plate heat exchanger are respectively connected to the inlet and outlet of the cooling liquid of the liquid cooling cabinet to form a circulating flow path of the cooling liquid, and the circulating flow path of the cooling liquid is provided with a liquid pump; the water side inlet and the water side outlet of the plate heat exchanger are respectively connected to the water outlet and the water inlet of the dry cooler to form a circulating flow path of the cooling water, and the circulating flow path of the cooling water is provided with a water pump, and the energy-saving control method includes the following steps:

[0007] S1, liquid cooling cabinet is turned on and running;

[0008] S2. Collect the ambient temperature and determine the ambient temperature T 0 Whether the first preset threshold is reached; if so, go to step S3;

[0009] S3, detect the temperature T of the outlet of the cooling liquid of the liquid cooling cabinet 1 , determine the temperature T 1 A relationship between a second preset threshold and a third preset threshold; wherein the second preset threshold is less than the third preset threshold;

[0010] If the temperature T 1 is not greater than the second preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 1 Rated load is turned on, and the liquid pump and water pump operate at 85-95% of the rated frequency;

[0011] If the temperature T 1 If the dry cooler load is between the second preset threshold and the third preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 3 Rated load is turned on, and the liquid pump and water pump operate at rated frequency;

[0012] If the temperature T 1 is not less than the third preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 1 Rated load is turned on, and the liquid pump and water pump operate at rated frequency;

[0013] Among them, M is 35~45℃, N 1 The value ranges from 1.1 to 1.5;

[0014] S4, collecting the operating power of the server, and calculating the percentage X% of the operating power of the server to the rated power;

[0015] S5. Adjust the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage X%;

[0016] S6. Determine the temperature T of adjacent acquisition cycles 1 whether the first-order derivative change is greater than a fourth preset threshold;

[0017] If so, and the temperature T 1 If the temperature is less than the third preset threshold, the process returns to step S2; if not, and the temperature T 1 If the dry cooler load is less than the third preset threshold, the dry cooler load is reduced by 3-7%, and then the process returns to step S2;

[0018] If so, and the temperature T 1 If the temperature is not less than the third preset threshold, the dry cooler load is increased by 10-30%, and then the process returns to step S2; if not, and the temperature T 1 If it is not less than the third preset threshold, the process returns to step S2.

[0019] As a preferred solution, the first preset threshold is 25-40°C, the second preset threshold is 30-45°C, the third preset threshold is 44-50°C, and the fourth preset threshold is -0.1-0.1.

[0020] As a preferred solution, in step S5, the dry cooler load is X%*k 1 Rated load operation, k 1 0.9~1.3; liquid pump according to X%*k 1 The pump operates at the larger value of the rated frequency and the minimum frequency according to X%*k 1 The rated frequency and the minimum frequency, whichever is greater, are used.

[0021] As a preferred solution, in step S2, if the ambient temperature T 0 If the value is between the fifth preset threshold and the first preset threshold, the following steps are performed:

[0022] S30, detecting the temperature T of the outlet of the cooling liquid of the liquid cooling cabinet 1 , determine the temperature T 1 A relationship between a second preset threshold and a third preset threshold; wherein the second preset threshold is less than the third preset threshold;

[0023] If the temperature T 1 is not greater than the second preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 2 Rated load is turned on, and the liquid pump and water pump operate at 85-95% of the rated frequency;

[0024] If the temperature T 1 If the dry cooler load is between the second preset threshold and the third preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 2 Rated load is turned on, and the liquid pump and water pump operate at 80-90% of the rated frequency;

[0025] If the temperature T 1 is not less than the third preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 2 Rated load is turned on, and the liquid pump and water pump operate at 75-85% of the rated frequency;

[0026] Among them, N 2 The value range is 0.95-1.3;

[0027] S40, collecting the operating power of the server, and calculating the percentage Y% of the operating power of the server to the rated power;

[0028] S50, adjusting the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage Y%;

[0029] S60, determining the temperature T of adjacent acquisition cycles 1 whether the first-order derivative change is greater than a fourth preset threshold;

[0030] If so, and the temperature T 1 If the temperature is less than the third preset threshold, the process returns to step S2; if not, and the temperature T 1 If the dry cooler load is less than the third preset threshold, the dry cooler load is reduced by 5-15%, and then the process returns to step S2;

[0031] If so, and the temperature T 1 If the temperature is not less than the third preset threshold, the dry cooler load is increased by 10-20%, and then the process returns to step S2; if not, and the temperature T 1 If the value is not less than the third preset threshold, the process returns to step S2;

[0032] Among them, the fifth preset threshold is smaller than the first preset threshold.

[0033] As a preferred solution, the fifth preset threshold is 10-30°C.

[0034] As a preferred solution, in step S50, the dry cooler load is calculated as Y%*k 2 Rated load operation, k 2 1.0~1.3; liquid pump according to Y%*k 2 The pump operates at the larger value of the rated frequency and the minimum frequency according to Y%*k 2 The rated frequency and the minimum frequency, whichever is greater, are used.

[0035] As a preferred solution, in step S2, if the ambient temperature T 0 If the value is not greater than the fifth preset threshold, the following steps are performed:

[0036] S300, detecting the temperature T of the outlet of the cooling liquid of the liquid cooling cabinet 1 , determine the temperature T 1 A relationship between a second preset threshold and a third preset threshold; wherein the second preset threshold is less than the third preset threshold;

[0037] If the temperature T 1 is not greater than the second preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 3 Rated load is turned on, and the liquid pump and water pump operate at the minimum frequency;

[0038] If the temperature T 1 If the dry cooler load is between the second preset threshold and the third preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 3Rated load is turned on, and the liquid pump and water pump operate at 65-75% of the rated frequency;

[0039] If the temperature T 1 is not less than the third preset threshold, the dry cooler load is calculated according to 5 / (T 0 -M)*N 3 Rated load is turned on, and the liquid pump and water pump operate at 75-85% of the rated frequency;

[0040] Among them, N 3 1.05-1.25;

[0041] S400, collecting the operating power of the server, and calculating the percentage Z% of the operating power of the server to the rated power;

[0042] S500, adjusting the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage Z%;

[0043] S600, determining the temperature T of adjacent acquisition cycles 1 whether the first-order derivative change is greater than a fourth preset threshold;

[0044] If so, and the temperature T 1 If the temperature is less than the third preset threshold, the process returns to step S2; if not, and the temperature T 1 If the dry cooler load is less than the third preset threshold, the dry cooler load is reduced by 5-15%, and then the process returns to step S2;

[0045] If so, and the temperature T 1 If the temperature is not less than the third preset threshold, the dry cooler load is increased by 5-15%, and then the process returns to step S2; if not, and the temperature T 1 If it is not less than the third preset threshold, the process returns to step S2.

[0046] As a preferred solution, in step S500, the dry cooler load is calculated as Z%*k 3 Rated load operation, k 3 1.05-1.3; liquid pump according to Z%*k 3 The pump operates at the larger value of the rated frequency and the minimum frequency according to Z%*k 3 The rated frequency and the minimum frequency, whichever is greater, are used.

[0047] The present invention also provides an energy-saving control system based on data center equipment power, applying the control method described in any of the above solutions, and the energy-saving control system includes:

[0048] Acquisition module, used to collect ambient temperature T 0 , Temperature T 1 , the operating power of the server, the temperature T of the adjacent acquisition cycle 1 The first derivative of changes;

[0049] A calculation module, used for calculating the percentage of the operating power of the server to the rated power;

[0050] A judgment module, used to perform the judgment step in the energy-saving control method to obtain a corresponding judgment result;

[0051] The control module is used to execute corresponding subsequent steps according to the judgment result.

[0052] The present invention also provides a computer-readable storage medium, in which instructions are stored, and the characteristics are that when the instructions are executed on a computer, the computer executes the energy-saving control method as described in any of the above schemes.

[0053] Compared with the prior art, the present invention has the following beneficial effects:

[0054] (1) The present invention uses the outlet temperature of the coolant of the liquid cooling cabinet as the current state, combines the IT equipment and server power to determine the heat load change, and uses it as feedback to accurately control the liquid pump, water pump, and dry cooler fan to achieve safe and energy-saving operation of the data center;

[0055] (2) The present invention realizes timely adjustment of the liquid pool heat load and the cold load supply and demand matching during the adjustment process by determining the outlet temperature threshold of the coolant of the liquid cooling cabinet and the first-order derivative of the outlet temperature of the coolant of the liquid cooling cabinet multiple times and with different thresholds, thereby accurately realizing prediction and control;

[0056] (3) The present invention realizes control in different environments and scenarios by setting the threshold of the ambient temperature. The control applicability of the data center is strong and abnormal problems are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 is a schematic diagram of a liquid cooling system according to Embodiment 1 of the present invention;

[0058] Figure 2 is a flow chart of an energy-saving control method based on data center equipment power according to Embodiment 1 of the present invention;

[0059] Figure 3 This is a module architecture diagram of an energy-saving control system based on data center equipment power according to Embodiment 1 of the present invention. DETAILED DESCRIPTION

[0060] In order to more clearly illustrate the embodiments of the present invention, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other accompanying drawings and other implementation methods can be obtained based on these accompanying drawings without creative work.

[0061] Embodiment 1:

[0062] The data center equipment of this embodiment includes a server, and the server is equipped with a liquid cooling system. Figure 1 As shown, the liquid cooling system of this embodiment includes a liquid cooling cabinet, a plate heat exchanger (referred to as heat exchanger) and a dry cooler (referred to as dry cooler). Among them, the liquid side inlet and liquid side outlet of the plate heat exchanger are respectively connected to the inlet and outlet of the coolant of the liquid cooling cabinet to form a circulating flow path of the coolant (referred to as liquid path), and the circulating flow path of the coolant is provided with a liquid pump; the water side inlet and water side outlet of the plate heat exchanger are respectively connected to the water outlet and water inlet of the dry cooler to form a circulating flow path of the cooling water (referred to as water path), and the circulating flow path of the cooling water is provided with a water pump. The cooling water and the coolant are used for heat exchange to realize the circulating liquid cooling function of the coolant. Based on the liquid cooling system of this embodiment, the control method of the working state of its plate heat exchanger is described in detail below.

[0063] like Figure 2 As shown, the energy-saving control method based on data center equipment power of this embodiment includes the following steps:

[0064] S1, liquid cooling cabinet is turned on and running;

[0065] S2. Collect the ambient temperature and determine whether the ambient temperature T0 reaches a first preset threshold value B; if so, go to step S3; wherein the first preset threshold value B is 25-40°C, for example, 35°C.

[0066] S3. Detect the temperature T1 of the outlet of the cooling liquid of the liquid cooling cabinet (referred to as the liquid pool outlet), and determine the relationship between the temperature T1 and the second preset threshold value D and the third preset threshold value C; wherein the second preset threshold value D is less than the third preset threshold value C, the second preset threshold value D is 30-45°C (preferably 35°C), and the third preset threshold value C is 44-50°C (preferably 45°C).

[0067] If the temperature T1 is not greater than the second preset threshold D, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N1, and the liquid pump and the water pump are operated at a rated frequency of 85-95% (preferably 90%);

[0068] If the temperature T1 is between the second preset threshold value D and the third preset threshold value C, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N1, and the liquid pump and the water pump operate at the rated frequency;

[0069] If the temperature T1 is not less than the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N1, and the liquid pump and the water pump operate at the rated frequency;

[0070] Among them, "5" is the standard temperature difference, M is the threshold temperature, the value of N1 is 1.1-1.5 (preferably 1.3), the rated frequency of the liquid pump is 50 Hz, and the rated frequency of the water pump is 50 Hz.

[0071] S4, collecting the operating power P of the server, and calculating the percentage X% of the operating power P of the server to the rated power P0;

[0072] S5. Adjust the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage X%;

[0073] Specifically, the dry cooler (i.e., outdoor heat dissipation equipment) load is X%*k 1 Rated load operation, k 1 The value range is 0.9~1.3 (preferably 1.2); the liquid pump is based on X%*k 1 The pump operates at the larger value of the rated frequency and the minimum frequency according to X%*k 1 The rated frequency and the minimum frequency, whichever is greater, are used.

[0074] S6. Determine whether the first-order derivative change of the temperature T1 in the adjacent collection period is greater than the fourth preset threshold, that is, if (f(f(T1))>Z, 0, 1), the value range of Z is -0.1 to 0.1, and the value of this embodiment is -0.05; wherein the adjacent collection period is 20s. Among them, "1" means "yes" and "0" means "no".

[0075] If yes, and the temperature T1 is less than the third preset threshold C, then return to step S2; if no, and the temperature T1 is less than the third preset threshold, then the dry cooler load is reduced by 3-7% (preferably 5%), then return to step S2;

[0076] If yes, and the temperature T1 is not less than the third preset threshold C, the dry cooler load is increased by 10-30% (preferably 20%), and then returns to step S2; if no, and the temperature T1 is not less than the third preset threshold, returns to step S2.

[0077] In addition, in step S2, if the ambient temperature T0 is between the fifth preset threshold value A and the first preset threshold value B, and the fifth preset threshold value A is 10-30° C. (preferably 15° C.), the following steps are performed:

[0078] S30, detecting the temperature T1 of the outlet of the coolant of the liquid cooling cabinet, and determining the relationship between the temperature T1 and the second preset threshold and the third preset threshold; wherein the second preset threshold is less than the third preset threshold;

[0079] If the temperature T1 is not greater than the second preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N2, and the liquid pump and the water pump are operated at a rated frequency of 85-95% (preferably 90%);

[0080] If the temperature T1 is between the second preset threshold and the third preset threshold, the dry cooler load is calculated as 5 / (T0-M)*N 2 Rated load is turned on, and the liquid pump and water pump operate at 80-90% (preferably 85%) of the rated frequency;

[0081] If the temperature T1 is not less than the third preset threshold, the dry cooler load is calculated as 5 / (T0-M)*N 2 Rated load is turned on, and the liquid pump and water pump operate at 75-85% (preferably 80%) of the rated frequency;

[0082] Among them, N 2 The value range is 0.95-1.3, preferably 1.05;

[0083] S40, collecting the operating power P of the server, and calculating the percentage Y% of the operating power P of the server to the rated power P0;

[0084] S50, adjusting the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage Y%;

[0085] Specifically, the dry cooler load is calculated as Y%*k 2 Rated load operation, k 2 The value range is 1.0-1.3; the liquid pump is based on Y%*k 2 The pump operates at the larger value of the rated frequency and the minimum frequency according to Y%*k 2 The rated frequency and the minimum frequency, whichever is greater, are used.

[0086] S60, determining whether the first-order derivative change of the temperature T1 in adjacent acquisition cycles is greater than a fourth preset threshold;

[0087] If yes, and the temperature T1 is less than the third preset threshold, then return to step S2; if no, and the temperature T1 is less than the third preset threshold, then reduce the dry cooler load by 5-15% (preferably 10%), then return to step S2;

[0088] If yes, and the temperature T1 is not less than the third preset threshold, the dry cooler load is increased by 10-20% (preferably 15%), and then the process returns to step S2; if no, and the temperature T1 is not less than the third preset threshold, the process returns to step S2;

[0089] In addition, in step S2, there is another situation that if the ambient temperature T0 is not greater than the fifth preset threshold value A, the following steps are performed:

[0090] S300, detecting the temperature T1 of the outlet of the coolant of the liquid cooling cabinet, and determining the relationship between the temperature T1 and the second preset threshold and the third preset threshold; wherein the second preset threshold is less than the third preset threshold;

[0091] If the temperature T1 is not greater than the second preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N3, and the liquid pump and the water pump operate at the minimum frequency;

[0092] If the temperature T1 is between the second preset threshold and the third preset threshold, the dry cooler load is calculated as 5 / (T0-M)*N 3 Rated load is turned on, and the liquid pump and water pump operate at 65-75% (preferably 70%) of the rated frequency;

[0093] If the temperature T1 is not less than the third preset threshold, the dry cooler load is calculated as 5 / (T0-M)*N 3 Rated load is turned on, and the liquid pump and water pump operate at 75-85% (preferably 80%) of the rated frequency;

[0094] Among them, N 3 The value range is 1.05-1.25, preferably 1.1;

[0095] S400, collecting the operating power P of the server, and calculating the percentage Z% of the operating power P of the server to the rated power P0;

[0096] S500, adjusting the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage Z%;

[0097] Specifically, the dry cooler load is calculated as Z%*k 3 Rated load operation, k 3 The value range is 1.05-1.3; the liquid pump is based on Z%*k 3 The pump operates at the larger value of the rated frequency and the minimum frequency according to Z%*k 3 The rated frequency and the minimum frequency, whichever is greater, are used.

[0098] S600, determining whether a first-order derivative change of the temperature T1 in adjacent acquisition cycles is greater than a fourth preset threshold;

[0099] If yes, and the temperature T1 is less than the third preset threshold, then return to step S2; if no, and the temperature T1 is less than the third preset threshold, then reduce the dry cooler load by 5-15% (preferably 10%), then return to step S2;

[0100] If yes, and the temperature T1 is not less than the third preset threshold, the dry cooler load is increased by 5-15% (preferably 10%), and then returns to step S2; if no, and the temperature T1 is not less than the third preset threshold, returns to step S2.

[0101] Corresponding to the energy-saving control method based on data center equipment power in this embodiment, as Figure 3 As shown, this embodiment also provides an energy-saving control system based on data center equipment power, including a setting module, a collection module, a calculation module, a judgment module and a control module.

[0102] Among them, the setting module is used to set all thresholds, which is convenient for freely adjusting the threshold settings.

[0103] The acquisition module is used for the ambient temperature T 0 , Temperature T 1 , the operating power of the server, the temperature T of the adjacent acquisition cycle 1 The first derivative of changes;

[0104] A calculation module, used for calculating the percentage of the operating power of the server to the rated power;

[0105] The judgment module is used to execute each judgment step in the above control method to obtain a corresponding judgment result;

[0106] The control module is used to execute corresponding subsequent steps according to the judgment result.

[0107] The specific execution process of the above modules can refer to the detailed description of the above energy-saving control method, which will not be repeated here.

[0108] This embodiment further provides a computer-readable storage medium, in which instructions are stored. When the instructions are executed on a computer, the computer executes the energy-saving control method described in the embodiment above.

[0109] The above description is only a detailed description of the preferred embodiments and principles of the present invention. For ordinary technicians in this field, according to the ideas provided by the present invention, there will be changes in the specific implementation methods, and these changes should also be regarded as the protection scope of the present invention.

Claims

1. An energy-saving control method based on the power of data center equipment, wherein the data center equipment includes a server, and the server is equipped with a liquid cooling system. The liquid cooling system includes a liquid cooling cabinet, a plate heat exchanger and a dry cooler. The liquid side inlet and the liquid side outlet of the plate heat exchanger are respectively connected to the inlet and outlet of the cooling liquid of the liquid cooling cabinet to form a circulating flow path of the cooling liquid, and the circulating flow path of the cooling liquid is provided with a liquid pump; the water side inlet and the water side outlet of the plate heat exchanger are respectively connected to the water outlet and the water inlet of the dry cooler to form a circulating flow path of the cooling water, and the circulating flow path of the cooling water is provided with a water pump, characterized in that: The energy-saving control method comprises the following steps: S1, liquid cooling cabinet is turned on and running; S2, collecting the ambient temperature and determining whether the ambient temperature T0 reaches a first preset threshold; if so, proceeding to step S3; S3, detecting the temperature T1 of the outlet of the coolant of the liquid cooling cabinet, and determining the relationship between the temperature T1 and the second preset threshold and the third preset threshold; wherein the second preset threshold is less than the third preset threshold; If the temperature T1 is not greater than the second preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N1, and the liquid pump and the water pump operate at 85-95% of the rated frequency; If the temperature T1 is between the second preset threshold and the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N3, and the liquid pump and the water pump operate at the rated frequency; If the temperature T1 is not less than the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N1, and the liquid pump and the water pump operate at the rated frequency; Among them, M is 35-45°C, and N1 is 1.1-1.5; S4, collecting the operating power of the server, and calculating the percentage X% of the operating power of the server to the rated power; S5. Adjust the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage X%; S6, determining whether the first-order derivative change of the temperature T1 in adjacent acquisition cycles is greater than a fourth preset threshold; If yes, and the temperature T1 is less than the third preset threshold, then return to step S2; if no, and the temperature T1 is less than the third preset threshold, then reduce the dry cooler load by 3-7%, then return to step S2; If yes, and the temperature T1 is not less than the third preset threshold, the dry cooler load is increased by 10-30%, and then returns to step S2; if no, and the temperature T1 is not less than the third preset threshold, returns to step S2.

2. The energy-saving control method based on data center equipment power according to claim 1 is characterized in that: The first preset threshold is 25-40°C, the second preset threshold is 30-45°C, the third preset threshold is 44-50°C, and the fourth preset threshold is -0.1-0.

1.

3. The energy-saving control method based on data center equipment power according to claim 1 is characterized in that: In step S5, the dry cooler load operates at X%*k1 rated load, k1 is 0.9-1.3; the liquid pump operates at the larger value of X%*k1 rated frequency and minimum frequency, and the water pump operates at the larger value of X%*k1 rated frequency and minimum frequency.

4. The energy-saving control method based on data center equipment power according to claim 1 is characterized in that: In step S2, if the ambient temperature T0 is between the fifth preset threshold and the first preset threshold, the following steps are performed: S30, detecting the temperature T1 of the outlet of the coolant of the liquid cooling cabinet, and determining the relationship between the temperature T1 and the second preset threshold and the third preset threshold; wherein the second preset threshold is less than the third preset threshold; If the temperature T1 is not greater than the second preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N2, and the liquid pump and the water pump operate at 85-95% of the rated frequency; If the temperature T1 is between the second preset threshold and the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N2, and the liquid pump and the water pump operate at 80-90% of the rated frequency; If the temperature T1 is not less than the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N2, and the liquid pump and the water pump operate at 75-85% of the rated frequency; Among them, the value range of N2 is 0.95-1.3; S40, collecting the operating power of the server, and calculating the percentage Y% of the operating power of the server to the rated power; S50, adjusting the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage Y%; S60, determining whether the first-order derivative change of the temperature T1 in adjacent acquisition cycles is greater than a fourth preset threshold; If yes, and the temperature T1 is less than the third preset threshold, then return to step S2; if no, and the temperature T1 is less than the third preset threshold, then reduce the dry cooler load by 5-15%, then return to step S2; If yes, and the temperature T1 is not less than the third preset threshold, the dry cooler load is increased by 10-20%, and then the process returns to step S2; if no, and the temperature T1 is not less than the third preset threshold, the process returns to step S2; Among them, the fifth preset threshold is smaller than the first preset threshold.

5. The energy-saving control method based on data center equipment power according to claim 4 is characterized in that: The fifth preset threshold is 10-30°C.

6. The energy-saving control method based on data center equipment power according to claim 4 is characterized in that: In step S50, the dry cooler load operates at the rated load of Y%*k2, where k2 is 1.0-1.3; the liquid pump operates at the larger value of the rated frequency of Y%*k2 and the minimum frequency, and the water pump operates at the larger value of the rated frequency of Y%*k2 and the minimum frequency.

7. The energy-saving control method based on data center equipment power according to claim 4 is characterized in that: In step S2, if the ambient temperature T0 is not greater than the fifth preset threshold, the following steps are performed: S300, detecting the temperature T1 of the outlet of the coolant of the liquid cooling cabinet, and determining the relationship between the temperature T1 and the second preset threshold and the third preset threshold; wherein the second preset threshold is less than the third preset threshold; If the temperature T1 is not greater than the second preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N3, and the liquid pump and the water pump operate at the minimum frequency; If the temperature T1 is between the second preset threshold and the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N3, and the liquid pump and the water pump operate at 65-75% of the rated frequency; If the temperature T1 is not less than the third preset threshold, the dry cooler load is turned on according to the rated load of 5 / (T0-M)*N3, and the liquid pump and the water pump operate at 75-85% of the rated frequency; Among them, N3 is 1.05-1.25; S400, collecting the operating power of the server, and calculating the percentage Z% of the operating power of the server to the rated power; S500, adjusting the dry cooler load, the operating frequency of the liquid pump and the water pump according to the percentage Z%; S600, determining whether a first-order derivative change of the temperature T1 in adjacent acquisition cycles is greater than a fourth preset threshold; If yes, and the temperature T1 is less than the third preset threshold, then return to step S2; if no, and the temperature T1 is less than the third preset threshold, then reduce the dry cooler load by 5-15%, then return to step S2; If yes, and the temperature T1 is not less than the third preset threshold, the dry cooler load is increased by 5-15%, and then the process returns to step S2; if no, and the temperature T1 is not less than the third preset threshold, the process returns to step S2.

8. The energy-saving control method based on data center equipment power according to claim 7 is characterized in that: In step S500, the dry cooler load operates at the rated load of Z%*k3, where k3 is 1.05-1.3; the liquid pump operates at the larger value of the rated frequency of Z%*k3 and the minimum frequency, and the water pump operates at the larger value of the rated frequency of Z%*k3 and the minimum frequency.

9. An energy-saving control system based on data center equipment power, applying the control method according to any one of claims 1 to 8, characterized in that: The energy-saving control system comprises: A collection module is used to collect the environment temperature T0, temperature T1, the operating power of the server, and the first-order derivative change of the temperature T1 in adjacent collection cycles; A calculation module, used for calculating the percentage of the operating power of the server to the rated power; A judgment module, used to perform the judgment step in the energy-saving control method to obtain a corresponding judgment result; The control module is used to execute corresponding subsequent steps according to the judgment result.

10. A computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, characterized in that: When the instructions are executed on a computer, the computer is enabled to execute the energy-saving control method as described in any one of claims 1 to 8.

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