Cooling component, cooling system and cooling method
By installing cooling components and systems on the server and adjusting the operating parameters of the atomizing nozzles using atomizing nozzles and detection devices, the problem of poor cooling reliability for servers exceeding 15KW was solved, achieving efficient and energy-saving cooling.
Patent Information
- Application Number
- CN202310853247.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-12
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2043-07-12
AI Technical Summary
In existing technologies, the cooling reliability of servers with a power of over 15KW is poor. Cold plate liquid cooling methods have limitations, while immersion liquid cooling is costly and poses safety hazards.
Cooling components, including a cold plate and atomizing nozzles, are used. The atomized coolant is introduced into the cold plate through the inlet pipe. Multiple heat sinks are used to increase the heat exchange area. The operating frequency and voltage of the atomizing nozzles are adjusted by detection components and control devices to achieve efficient heat dissipation.
This improved the cooling reliability of the server, reduced the amount of refrigerant used, achieved energy conservation and emission reduction, and lowered cooling costs.
Smart Images

Figure CN116685131B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of cooling, in particular to a cooling component, a cooling system and a cooling method. BACKGROUND
[0002] As the power consumption of data centers is increasing, in order to meet the green energy-saving needs of data centers and reduce the operating costs of data centers, data centers gradually begin to use liquid cooling technology to cool servers.
[0003] Among them, the liquid cooling technology is currently mainly divided into cold plate type liquid cooling and immersion type liquid cooling. For the cold plate type liquid cooling, a heat dissipation cold plate is deployed on the server to be cooled component, and the non-conductive water or fluorinated liquid is used to take away the heat dissipated by the component to be cooled. Since water and incubation heat are both liquid states, the specific heat capacity is small, and the heat removal is limited, which can only be used for servers below 15KW. Therefore, the cold plate type liquid cooling method has poor cooling reliability for servers exceeding 15KW. Servers exceeding 15KW need to use immersion type liquid cooling, which has high investment cost and certain requirements for building load bearing. In addition, the liquid cooling host needs to use liquid coolant, which can easily cause adverse effects on computers and the surrounding environment if it is accidentally leaked. It can be seen that the immersion type liquid cooling method has poor cooling reliability for servers exceeding 15KW. SUMMARY
[0004] The main purpose of the present application is to provide a cooling component, a cooling system and a cooling method to solve the problem of poor cooling reliability of servers exceeding 15KW in the prior art.
[0005] In order to achieve the above purpose, according to one aspect of the present application, a cooling component is provided, comprising: a cold plate for being placed on a component to be cooled, the cold plate having a liquid inlet, the liquid inlet being used to connect with a liquid inlet pipe to pass cooling liquid through the liquid inlet pipe; an atomizing nozzle, the atomizing nozzle being used to be arranged on the liquid inlet pipe to make the cooling liquid after atomization enter the cold plate; wherein the liquid inlet pipe is located on the outside of the cold plate.
[0006] Further, the cooling component further comprises: a plurality of heat dissipation fins, the plurality of heat dissipation fins comprising two groups of heat dissipation groups, each group of heat dissipation groups comprising a plurality of heat dissipation fins, the two groups of heat dissipation groups being arranged on both sides of the axis of the liquid inlet pipe; wherein the plurality of heat dissipation fins of each group of heat dissipation groups are inclinedly arranged towards the axis of the liquid inlet pipe.
[0007] Further, the cold plate and the atomizing nozzle are both a plurality of, the plurality of cold plates and the plurality of atomizing nozzles are one-to-one corresponding arrangement, and the plurality of cold plates are sequentially stacked.
[0008] Further, the cold plate comprises: a first cold plate having a first main cold plate and a plurality of first sub cold plates in communication with each other, the plurality of first sub cold plates being arranged at intervals; each first sub cold plate protrudes in a direction away from the first main cold plate; a second cold plate having a second main cold plate and a plurality of second sub cold plates in communication with each other, the plurality of second sub cold plates being arranged at intervals; each second sub cold plate protrudes in a direction away from the second main cold plate; wherein the first cold plate and the second cold plate are arranged oppositely, and the plurality of first sub cold plates and the plurality of second sub cold plates are arranged alternately; the liquid inlet pipe comprises a first liquid inlet pipe and a second liquid inlet pipe, the first liquid inlet pipe is connected with the first main cold plate, and the second liquid inlet pipe is connected with the second main cold plate; the atomizing nozzle is arranged on the first liquid inlet pipe and the second liquid inlet pipe.
[0009] According to a second aspect of the present application, a cooling system is provided, comprising: the cooling component as described above; a heat exchanger and a liquid inlet pipe, one end of the liquid inlet pipe being connected with the heat exchanger, and the other end of the liquid inlet pipe being connected with the liquid inlet of the cold plate of the cooling component to provide the cooling liquid to the cold plate; a gas outlet pipe, the cold plate having a gas outlet, one end of the gas outlet pipe being connected with the heat exchanger, and the other end of the gas outlet pipe being connected with the gas outlet to make the atomized cooling liquid flow to the heat exchanger through the gas outlet and the gas outlet pipe; a first detection component, the first detection component being arranged at the gas outlet to detect the humidity of the gas outlet of the cold plate through the first detection component; and a control device, the control device being connected with the first detection component and the atomizing nozzle of the cooling component to control the operating frequency of the atomizing nozzle according to the detection result of the first detection component.
[0010] Further, the cooling system further comprises: a second detection component, the second detection component being arranged at the gas outlet to detect the temperature of the gas outlet of the cold plate through the second detection component; wherein the control device is connected with the second detection component to control the operating voltage of the atomizing nozzle according to the detection result of the second detection component after controlling the operating rate of the atomizing nozzle.
[0011] Further, the cooling component is the cooling component as described above, the first detection component and the second detection component are both a plurality of first detection components and a plurality of second detection components, and the gas outlet of each cold plate is provided with a first detection component and a second detection component.
[0012] According to a third aspect of the present application, a cooling method is provided, which is suitable for the cooling system as described above, and the cooling method comprises: detecting the current humidity information H 实际 of the gas outlet of the cold plate; judging the size relationship between the current humidity information H 实际 and a preset humidity value H 设定 ; if the current humidity information H 实际 is greater than the preset humidity value H 设定 , reducing the operating frequency of the atomizing nozzle.
[0013] Furthermore, the method for adjusting the operating frequency of the atomizing nozzle includes: detecting the current operating frequency F of the atomizing nozzle. 实际 Based on the current humidity information H 实际 Preset humidity value H 设定 and current operating frequency F 实际 The adjustment amount F controls the operating frequency of the atomizing nozzle. 调节 Among them, the adjustment amount F of the operating frequency 调节 Current operating frequency F 实际 Preset humidity value H 设定 and current humidity information H 实际 It has the following relationship: F 调节 =F 实际 *(H 设定 / H 实际 ).
[0014] Furthermore, the cooling system is the aforementioned cooling system. After reducing the operating frequency of the atomizing nozzles, the cooling method further includes: detecting the current temperature information T at the outlet of the cold plate. 实际 Determine the current temperature information T 实际 With preset temperature value T 设 The magnitude relationship; if the current temperature information T 实际 Greater than the preset temperature value T 设定 Increase the operating voltage of the atomizing nozzle.
[0015] Furthermore, the method for adjusting the operating voltage of the atomizing nozzle includes: detecting the current operating voltage V of the atomizing nozzle. 实际 Based on the current temperature information T 实际 Preset temperature value T 设定 and current operating voltage V 实际 The adjustment amount V of the operating voltage of the atomizing nozzle. 调节 Among them, the adjustment amount V of the operating voltage 调节 Current operating voltage V 实际 Preset temperature value T 设定 and current temperature information T 实际 It has the following relationship: V 调节 =V 实际 *(T 实际 / T 设定 ).
[0016] Applying the technical solution of this invention, a cooling component is provided, comprising: a cold plate for placing on a component to be cooled, the cold plate having a liquid inlet for connecting to a liquid inlet pipe to allow coolant to enter; and an atomizing nozzle disposed on the liquid inlet pipe to allow atomized coolant to enter the cold plate; wherein the liquid inlet pipe is located on the outer side of the cold plate. With this configuration, the coolant is atomized before entering the cold plate, and the latent heat of vaporization absorbed by the evaporation of the coolant is much greater than the sensible heat absorbed by the single-phase heat absorption of the coolant, thereby maximizing the heat absorption capacity of the coolant. This allows the least amount of heat to be removed with the least amount of coolant, thus reducing costs for the same cooling capacity. Furthermore, the present invention also provides a cooling system, comprising: the aforementioned cooling components; a heat exchanger and an inlet pipe, one end of which is connected to the heat exchanger, and the other end of which is connected to the inlet of the cold plate of the cooling components to provide coolant to the cold plate; an outlet pipe, the cold plate having an outlet, one end of which is connected to the heat exchanger, and the other end of which is connected to the outlet, so that the atomized coolant flows to the heat exchanger through the outlet and the outlet pipe; a first detection component, which is disposed at the outlet to detect the humidity of the outlet of the cold plate; and a control device, which is connected to the first detection component and the atomizing nozzle of the cooling components to control the operating frequency of the atomizing nozzle according to the detection result of the first detection component, thereby controlling the mist output rate of the atomizing nozzle to ensure complete atomization and achieve better heat dissipation effect, while reducing the waste of coolant and achieving energy saving and emission reduction. Furthermore, the present invention also provides a cooling method applicable to the above-mentioned cooling system, the cooling method comprising: detecting the current humidity information H at the air outlet of the cold plate. 实际 Determine the current humidity information H 实际 Compared with the preset humidity value H 设定 The size relationship between them, if the current humidity information H 实际 If the humidity level is higher than the preset value, it means that the liquid content in the atomized gas is high. The gas flows out before the atomizing nozzle has fully atomized the liquid. The mist output rate of the atomizing nozzle is high at this time. Therefore, it is necessary to reduce the operating frequency of the atomizing nozzle to reduce the operating rate, so that the atomizing nozzle can fully atomize the liquid before it flows out, thus ensuring the atomization effect and cooling effect, reducing the waste of refrigerant, and further realizing energy saving and emission reduction. Attached Figure Description
[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:
[0018] Figure 1Fig. 1 shows a schematic diagram of the structure of a fin of a first embodiment of the cooling component according to the present application;
[0019] Figure 2 Fig. 2 shows a schematic diagram of the structure of a plurality of cold plates stacked according to the first embodiment of the cooling component according to the present application;
[0020] Figure 3 Fig. 3 shows a top view of a second embodiment of the cooling component according to the present application;
[0021] Figure 4 Fig. 4 shows a schematic diagram of the structure of a first cold plate and a second cold plate cooperating with each other according to the second embodiment of the cooling component according to the present application;
[0022] Figure 5 Fig. 5 shows a side view of the second embodiment of the cooling component according to the present application.
[0023] In the above drawings, the following reference signs are used:
[0024] 10, cold plate; 100, liquid inlet pipe; 20, atomizing nozzle; 30, fin; 3, cooling group; 11, first cold plate; 12, second cold plate; 110, first main cold plate; 111, first sub cold plate; 120, second main cold plate; 121, second sub cold plate; 1, component to be cooled; 200, gas outlet pipe. DETAILED DESCRIPTION
[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0026] Reference should be made to Figures 1 to 5 The present application provides a cooling component, comprising: a cold plate 10, which is arranged on a component to be cooled 1, and has a liquid inlet connected with a liquid inlet pipe 100 to pass cooling liquid through the liquid inlet pipe 100; an atomizing nozzle 20, which is arranged on the liquid inlet pipe 100 to pass the atomized cooling liquid into the cold plate 10; wherein the liquid inlet pipe 100 is located outside the cold plate 10. Through the above arrangement, the cooling liquid is atomized before entering the cold plate 10, and the latent heat absorbed by the evaporation of the refrigerant is much greater than the sensible heat absorbed by the single-phase refrigerant, so as to maximize the heat absorption capacity of the refrigerant, thereby using the least refrigerant to carry away the most heat, so that the required refrigerant is the least under the same refrigeration capacity, thereby reducing the cost.
[0027] In the present application, the atomizing nozzle is an ultrasonic atomizing nozzle; the component to be cooled 1 is a circuit board, specifically, the component to be cooled 1 is a CPU.
[0028] In the first embodiment of the present application, in order to increase the heat dissipation area, the cooling component further comprises: a plurality of heat dissipation fins 30, the plurality of heat dissipation fins 30 comprises two groups of heat dissipation groups 3, each group of heat dissipation groups 3 comprises a plurality of heat dissipation fins 30, and the two groups of heat dissipation groups 3 are arranged on the two sides of the axis of the liquid inlet pipe 100 respectively; wherein the plurality of heat dissipation fins 30 of each group of heat dissipation groups 3 are arranged obliquely towards the axis of the liquid inlet pipe 100 to form a V-shaped structure, so that the plurality of heat dissipation fins can guide the atomized cooling liquid to quickly exhaust the atomized gas, prevent the atomized gas from forming hot gas and accumulating inside the cold plate 10 after dissipating heat from the component to be cooled, and cause the atomized spray to not reach the bottom of the cold plate 10 well and not exchange heat with the CPU quickly, thereby affecting the utilization efficiency of the atomized spray and the heat dissipation efficiency of the CPU.
[0029] In the first embodiment of the present application, the cold plate 10 and the atomizing nozzle 20 are both multiple, the multiple cold plates 10 and the multiple atomizing nozzles 20 are arranged one by one in correspondence, and the multiple cold plates 10 are stacked in sequence; wherein one of the multiple cold plates 10 is in contact with the component to be cooled 1, and the heat dissipation fins 30 of the cold plate 10 above will transfer the cold to the cold plate 10 below to realize the superposition of the cold, so that when the multiple cold plates 10 dissipate heat from the component to be cooled 1, the multiple cold plates 10 can all play a role in heat dissipation, and when the atomized spray corresponding to one of the multiple cold plates 10 is damaged, the other cold plates 10 can still normally dissipate heat from the component to be cooled, thereby improving the reliability of the cooling component in heat dissipation.
[0030] In the first embodiment of the present application, the cold plate 10 is two, and the two cold plates 10 are stacked with each other, the cold plate 10 above realizes rapid conduction of heat to the cold plate 10 through the heat dissipation fins 30, so as to superimpose the cold and have a good heat dissipation effect on the component to be cooled 1, and the two cold plates 10 bear 50% load normally, and when one of the cold plates 10 fails, the other cold plate 10 bears the entire heat dissipation load.
[0031] In the second embodiment of the present application, the cold plate 10 comprises: a first cold plate 11, the first cold plate 11 having a first main cold plate 110 and a plurality of first sub-cold plates 111 in communication with each other, the plurality of first sub-cold plates 111 being arranged at intervals; each first sub-cold plate 111 protrudes towards a direction away from the first main cold plate 110; a second cold plate 12, the second cold plate 12 having a second main cold plate 120 and a plurality of second sub-cold plates 121 in communication with each other, the plurality of second sub-cold plates 121 being arranged at intervals; each second sub-cold plate 121 protrudes towards a direction away from the second main cold plate 120; wherein the first cold plate 11 and the second cold plate 12 are oppositely arranged, and the plurality of first sub-cold plates 111 and the plurality of second sub-cold plates 121 are arranged in turn and staggered; the liquid inlet pipe 100 comprises a first liquid inlet pipe and a second liquid inlet pipe, the first liquid inlet pipe is connected with the first main cold plate 110, and the second liquid inlet pipe is connected with the second main cold plate 120; the atomizing nozzle 20 is arranged on the first liquid inlet pipe and the second liquid inlet pipe. Through the arrangement of the first sub-cold plate 111 and the second sub-cold plate 121, the side wall surface of the first sub-cold plate 111 and the side wall surface of the second sub-cold plate 121 both extend along the distribution direction of the first cold plate and the second cold plate, so that the heat exchange area of the CPU can be increased, and the contact area of the first cold plate 11 with the cooling medium and the contact area of the second cold plate 12 with the cooling medium are increased, further increasing the heat dissipation rate of the CPU, and when one of the first cold plate 11 and the second cold plate 12 is damaged, the other cold plate bears the entire heat dissipation load.
[0032] The application further provides a cooling system, comprising: the cooling component described above; a heat exchanger and a liquid inlet pipe, one end of the liquid inlet pipe being connected with the heat exchanger, and the other end of the liquid inlet pipe being connected with the liquid inlet of the cold plate 10 of the cooling component to provide cooling liquid to the cold plate 10; an air outlet pipe 200, the cold plate 10 having an air outlet, one end of the air outlet pipe 200 being connected with the heat exchanger, and the other end of the air outlet pipe 200 being connected with the air outlet to make the atomized cooling liquid flow to the heat exchanger through the air outlet and the air outlet pipe 200; a first detection component, the first detection component being arranged at the air outlet to detect the humidity of the air outlet of the cold plate 10 through the first detection component; and a control device, the control device being connected with the first detection component and the atomizing nozzle 20 of the cooling component to control the operating frequency of the atomizing nozzle 20 according to the detection result of the first detection component, so as to control the mist output rate of the atomizing nozzle 20, to ensure complete gasification of the atomizing nozzle, achieve a better heat dissipation effect, and reduce waste of the refrigerant, and realize energy saving and emission reduction.
[0033] Specifically, the cooling system of the present application further comprises: a second detection component, which is arranged at the air outlet to detect the temperature of the air outlet of the cold plate 10; wherein the control device is connected with the second detection component to control the operating voltage of the atomizing nozzle 20 according to the detection result of the second detection component after controlling the operating rate of the atomizing nozzle 20, so as to control the mist output of the atomizing nozzle 20, thereby preventing the waste of refrigeration capacity, ensuring the heat dissipation effect on the component to be cooled 1, and further achieving energy saving and emission reduction.
[0034] In order to control the mist output and the mist output rate of the plurality of cold plates 10 respectively, and to improve the flexibility of the operating frequency and operating voltage control of the plurality of cold plates 10, the cooling component is the cooling component described above, the first detection component and the second detection component are both multiple, and the air outlet of each cold plate 10 is provided with the first detection component and the second detection component.
[0035] The present application also provides a cooling method suitable for the cooling system described above, which comprises: detecting the current humidity information H 实际 of the air outlet of the cold plate 10 实际 ; judging the size relationship between the current humidity information H 设定 and the preset humidity value H 实际 ; if the current humidity information H 设定 is greater than the preset humidity value H 实际 , it indicates that the liquid content in the atomized gas is relatively high at this time, and the atomizing nozzle 20 has not been atomized completely and has flowed out, the mist output rate of the atomizing nozzle 20 is relatively high at this time, so the operating frequency of the atomizing nozzle 20 needs to be reduced at this time to reduce the operating rate, so that the atomizing nozzle 20 atomizes completely before flowing out, to ensure the atomizing effect and the refrigeration effect, reduce the waste of refrigeration liquid, and further achieve energy saving and emission reduction.
[0036] When the current humidity information H 设定 is less than or equal to the preset humidity value H 实际 , the operating frequency of the atomizing nozzle 20 remains unchanged.
[0037] Optionally, the preset humidity value ranges from 90% to 100%.
[0038] In order to realize the adjustment of the operating frequency of the atomizing nozzle 20, the adjustment method of the operating frequency of the atomizing nozzle 20 comprises: detecting the current operating frequency F 实际 of the atomizing nozzle 20 设定 ; controlling the adjustment amount F 实际 of the operating frequency of the atomizing nozzle 20 according to the current humidity information H 调节When it is necessary to reduce the operating frequency of the atomizing nozzle 20, the operating frequency is related to the humidity at the outlet of the atomizing nozzle. Therefore, the required operating frequency F is calculated based on the ratio of the current humidity to the preset humidity. 调节 Among them, the adjustment amount F of the operating frequency 调节 Current operating frequency F 实际 Preset humidity value H 设定 and current humidity information H 实际 It has the following relationship: F 调节 =F 实际 *(H 设定 / H 实际 ).
[0039] To ensure effective cooling of the components to be cooled, the cooling system is as described above. After reducing the operating frequency of the atomizing nozzle 20, the cooling method further includes: detecting the current temperature information T at the outlet of the cold plate 10. 实际 Determine the current temperature information T 实际 With preset temperature value T 设 The magnitude relationship; if the current temperature information T 实际 Greater than the preset temperature value T 设定 At this time, the temperature is too high and more cooling capacity is required. Therefore, it is necessary to increase the operating voltage of the atomizing nozzle 20 to increase the amount of mist output from the atomizing nozzle 20, obtain more cooling capacity, and achieve a good heat dissipation effect.
[0040] If the current temperature information T 实际 Less than or equal to the preset temperature value T 设定 At this point, the temperature remains constant.
[0041] Optionally, a preset temperature value T 设定 The value range is from 40℃ to 60℃; among which, the preset temperature value T 设定 It is related to the operating temperature of the component to be cooled.
[0042] To adjust the operating voltage of the atomizing nozzle 20, the method for adjusting the operating voltage of the atomizing nozzle 20 includes: detecting the current operating voltage V of the atomizing nozzle 20. 实际 Based on the current temperature information T 实际 Preset temperature value T 设定 and current operating voltage V 实际 The adjustment amount V of the operating voltage of the atomizing nozzle 20 is controlled. 调节 When it is necessary to reduce the operating voltage of the atomizing nozzle 20, the operating voltage is related to the temperature of the nozzle's outlet. Therefore, the required operating frequency F is calculated based on the ratio of the current temperature to the preset temperature. 调节 Among them, the adjustment amount V of the operating voltage 调节 Current operating voltage V实际 , preset temperature value T 设定 and current temperature information T 实际 have the following relationship: V 调节 = V 实际 *(T 实际 / T 设定 ).
[0043] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:
[0044] The present application provides a cooling component, comprising: a cold plate 10 for placing on a component to be cooled 1, the cold plate 10 has a liquid inlet, the liquid inlet is used to connect with a liquid inlet pipe 100 to pass in cooling liquid through the liquid inlet pipe 100; atomizing nozzle 20, atomizing nozzle 20 is used to set on the liquid inlet pipe 100, so that the cooling liquid after atomization enters the cold plate 10; wherein the liquid inlet pipe 100 is located on the outside of the cold plate 10. Through the above setting, the cooling liquid after atomization enters the cold plate 10, the latent heat absorbed by the evaporation of the refrigerant is much larger than the sensible heat absorbed by the single-phase heat absorption of the refrigerant, so as to maximize the heat absorption capacity of the refrigerant, thereby using the least refrigerant to carry away the most heat, so that the required refrigerant is the least under the same refrigeration capacity, thereby reducing the cost.
[0045] And the present application also provides a cooling system, comprising: the above-mentioned cooling component; heat exchanger and liquid inlet pipe, one end of the liquid inlet pipe is connected with the heat exchanger, the other end of the liquid inlet pipe is connected with the liquid inlet of the cold plate 10 of the cooling component to provide cooling liquid to the cold plate 10; gas outlet pipe 200, the cold plate 10 has a gas outlet, one end of the gas outlet pipe 200 is connected with the heat exchanger, the other end of the gas outlet pipe 200 is connected with the gas outlet to make the cooling liquid after atomization flow to the heat exchanger through the gas outlet and the gas outlet pipe 200; first detection component, the first detection component is arranged at the gas outlet to detect the humidity of the gas outlet of the cold plate 10 through the first detection component; control device, the control device is connected with the first detection component and the atomizing nozzle 20 of the cooling component to control the running frequency of the atomizing nozzle 20 according to the detection result of the first detection component, so as to control the mist output rate of the atomizing nozzle 20 to ensure the complete atomization of the atomizing nozzle and realize better heat dissipation effect, while reducing the waste of refrigerant and realizing energy saving and emission reduction.
[0046] Further, the present application also provides a cooling method, which is suitable for the above-mentioned cooling system, the cooling method comprising: detecting the current humidity information H 实际 of the gas outlet of the cold plate 10; 实际 judging the size relationship between the current humidity information H 设定 and the preset humidity value H 实际If the humidity value is greater than the preset humidity value, it indicates that the liquid content in the atomized gas is higher at this time, the atomizing nozzle 20 has not been atomized completely and has flowed out, the atomizing nozzle 20 has a higher atomizing rate at this time, and therefore the operating frequency of the atomizing nozzle 20 needs to be reduced at this time to reduce the operating speed, so that the atomizing nozzle 20 is completely atomized before flowing out, the atomizing effect and the refrigeration effect are ensured, the waste of the refrigerant is reduced, and energy saving and emission reduction are further achieved.
[0047] The preferred embodiments of the present application have been described above with reference to the drawings, but the present application is not limited to the above examples, and various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A cooling component, characterized in that, include: A cold plate (10) is placed on the component (1) to be cooled. The cold plate (10) has a liquid inlet for connecting to a liquid inlet pipe (100) to allow coolant to flow through the liquid inlet pipe (100). Atomizing nozzle (20) is provided on the liquid inlet pipe (100) so that the atomized coolant enters the cold plate (10); The liquid inlet pipe (100) is located on the outside of the cold plate (10); The cold plate (10) includes: The first cold plate (11) has a first main cold plate (110) and a plurality of first sub-cold plates (111) that are interconnected, and the plurality of first sub-cold plates (111) are spaced apart; each of the first sub-cold plates (111) protrudes in a direction away from the first main cold plate (110); The second cold plate (12) has a second main cold plate (120) and a plurality of second sub-cold plates (121) that are interconnected, and the plurality of second sub-cold plates (121) are spaced apart; each of the second sub-cold plates (121) protrudes in a direction away from the second main cold plate (120); The first cold plate (11) and the second cold plate (12) are arranged opposite to each other, and a plurality of first sub-cold plates (111) and a plurality of second sub-cold plates (121) are arranged alternately in sequence; the liquid inlet pipe (100) includes a first liquid inlet pipe and a second liquid inlet pipe, the first liquid inlet pipe is connected to the first main cold plate (110), the second liquid inlet pipe is connected to the second main cold plate (120), and the atomizing nozzle (20) is provided on both the first liquid inlet pipe and the second liquid inlet pipe.
2. The cooling component according to claim 1, characterized in that, The cooling components also include: Multiple heat sinks (30), the multiple heat sinks (30) include two sets of heat dissipation groups (3), each set of heat dissipation groups (3) includes multiple heat sinks (30), and the two sets of heat dissipation groups (3) are respectively arranged on both sides of the axis of the liquid inlet pipe (100). In each of the heat dissipation groups (3), the multiple heat dissipation fins (30) are all inclined toward the axis of the liquid inlet pipe (100).
3. The cooling component according to claim 2, characterized in that, There are multiple cold plates (10) and multiple atomizing nozzles (20), and the multiple cold plates (10) and multiple atomizing nozzles (20) are arranged in a one-to-one correspondence, and the multiple cold plates (10) are stacked in sequence.
4. A cooling system, characterized in that, include: The cooling component according to any one of claims 1 to 3; A heat exchanger and a liquid inlet pipe, one end of which is connected to the heat exchanger and the other end of which is connected to the liquid inlet of the cold plate (10) of the cooling component to provide coolant to the cold plate (10); The cold plate (10) has an air outlet, one end of the air outlet (200) is connected to the heat exchanger, and the other end of the air outlet (200) is connected to the air outlet, so that the atomized coolant flows to the heat exchanger through the air outlet and the air outlet (200). A first detection component is disposed at the air outlet to detect the humidity of the air outlet of the cold plate (10). A control device is connected to the atomizing nozzle (20) of the first detection component and the cooling component to control the operating frequency of the atomizing nozzle (20) according to the detection result of the first detection component.
5. The cooling system according to claim 4, characterized in that, The cooling system also includes: A second detection component is disposed at the air outlet to detect the temperature of the air outlet of the cold plate (10). The control device is connected to the second detection component to control the operating voltage of the atomizing nozzle (20) based on the detection result of the second detection component after controlling the operating speed of the atomizing nozzle (20).
6. The cooling system according to claim 5, characterized in that, The cooling component is the cooling component as described in claim 3 or 4. There are multiple first detection components and second detection components. Each of the air outlets of the cold plate (10) is provided with the first detection component and the second detection component.
7. A cooling method, applicable to the cooling system according to any one of claims 4 to 6, characterized in that, The cooling method includes: Detect the current humidity information H at the air outlet of the cold plate (10). 实际 ; Determine the current humidity information H 实际 Compared with the preset humidity value H 设定 The size relationship between them, if the current humidity information H 实际 Greater than the preset humidity value H 设定 This reduces the operating frequency of the atomizing nozzle (20).
8. The cooling method according to claim 7, characterized in that, The method for adjusting the operating frequency of the atomizing nozzle (20) includes: Detect the current operating frequency F of the atomizing nozzle (20) 实际 ; According to the current humidity information H 实际 The preset humidity value H 设定 and the current operating frequency F 实际 The adjustment amount F controls the operating frequency of the atomizing nozzle (20). 调节 ; Wherein, the adjustment amount F of the operating frequency 调节 The current operating frequency F 实际 The preset humidity value H 设定 and current humidity information H 实际 It has the following relationship: F 调节 =F 实际 *(H 设定 / H 实际 ).
9. The cooling method according to claim 7, characterized in that, The cooling system is the cooling system of claim 6. After reducing the operating frequency of the atomizing nozzle (20), the cooling method further includes: Detect the current temperature information T of the air outlet of the cold plate (10). 实际 ; Determine the current temperature information T 实际 With preset temperature value T 设 Size relationship; If the current temperature information T 实际 Greater than the preset temperature value T 设定 Increase the operating voltage of the atomizing nozzle (20).
10. The cooling method according to claim 9, characterized in that, The method for adjusting the operating voltage of the atomizing nozzle (20) includes: Detect the current operating voltage V of the atomizing nozzle (20) 实际 ; Based on the current temperature information T 实际 The preset temperature value T 设定 and the current operating voltage V 实际 The adjustment amount V controls the operating voltage of the atomizing nozzle (20). 调节 ; Among them, the adjustment amount V of the operating voltage 调节 The current operating voltage V 实际 The preset temperature value T 设定 and current temperature information T 实际 It has the following relationship: V 调节 =V 实际 *(T) 实际 / T 设定 ).
Citation Information
Patent Citations
Spray heat dissipation device
CN109219326A