Liquid cooling equipment testing system and method

Abstract

The invention discloses a liquid cooling equipment testing system and method, and relates to the technical field of testing, two sides of a to-be-tested cooling capacity distribution unit are respectively connected with a cooling capacity distribution unit testing device, and cooling liquid in a liquid storage tank is pumped through a liquid supply pump in the cooling capacity distribution unit testing device; the initial temperature of the cooling liquid is set through the first simulation load, the cooling liquid flows into the secondary side from the primary side, and the heat exchange performance of the to-be-tested cooling capacity distribution unit is tested according to the cooling liquid temperature of the secondary side, so that the technical problem of test errors generated by different test methods can be solved.

Description

Technical Field

[0001] This application relates to the field of testing technologies, and particularly to a liquid cooling equipment testing system and method. Background Art

[0002] In the current related technologies, a cold plate liquid cooling system includes a cooling capacity distribution unit, a cabinet cooling working medium supply and return manifold, and a cold plate assembly. The cooling capacity distribution unit exchanges heat with the coolant in the liquid cooling system. However, in the related technologies, when testing the performance of the cold plate liquid cooling system, different testing methods are used for different cooling capacity distribution units, resulting in testing errors between different testing methods. Summary of the Invention

[0003] This application provides a liquid cooling equipment testing system and method to at least solve the problem of testing errors between different testing methods in the related technologies.

[0004] This application provides a liquid cooling equipment testing system, including:

[0005] At least one cooling capacity distribution unit testing device 10; the cooling capacity distribution unit testing device 10 includes: a liquid storage tank 101, a cold source 102, a first simulation load 103, a liquid supply pump 104, a first sensing assembly 105, a second sensing assembly 106, a first control valve 107, and a second control valve 108;

[0006] The liquid inlet end of the first simulation load 103 is connected to the liquid outlet end of the first control valve 107 through a first communication pipeline;

[0007] The first sensing assembly 105 is arranged on the first communication pipeline;

[0008] The liquid outlet end of the first simulation load 103 is connected to the liquid inlet end of the cold source 102;

[0009] The liquid outlet end of the cold source 102 is connected to the liquid inlet end of the liquid storage tank 101;

[0010] The liquid outlet end of the liquid storage tank 101 is connected to the liquid inlet end of the liquid supply pump 104;

[0011] The liquid outlet end of the liquid supply pump 104 is connected to the liquid inlet end of the second control valve 108 through a second communication pipeline;

[0012] The second sensing assembly 106 is arranged on the second communication pipeline;

[0013] The liquid inlet end of the first control valve 107 is used to connect to the liquid outlet end of the to-be-tested cooling capacity distribution unit, and the liquid outlet end of the second control valve 108 is used to connect to the liquid inlet end of the to-be-tested cooling capacity distribution unit.

[0014] This application also provides a liquid cooling equipment testing method, including:

[0015] Open the first control valve and the second control valve in the primary side cold quantity distribution unit test device of the cold quantity distribution unit to be tested;

[0016] Open the first simulation load in the primary side cold quantity distribution unit test device, and set the coolant temperature on the primary side to the first supply temperature;

[0017] Open the first control valve and the second control valve in the secondary side cold quantity distribution unit test device of the cold quantity distribution unit to be tested;

[0018] Open the liquid storage tank in the primary side cold quantity distribution unit test device, so that the coolant flows through the supply pump and the second sensing component in the primary side cold quantity distribution unit test device in sequence, and flows into the primary side liquid inlet end of the cold quantity distribution unit to be tested;

[0019] The coolant flows out from the secondary side liquid outlet end of the cold quantity distribution unit to be tested, and flows through the first sensing component in the secondary side cold quantity distribution unit test device into the first simulation load in the secondary side cold quantity distribution unit test device;

[0020] Open the first simulation load in the secondary side cold quantity distribution unit test device, and heat the coolant temperature on the secondary side to the second supply temperature;

[0021] The heated coolant flows through the supply pump and the second sensing component in the secondary side cold quantity distribution unit test device in sequence, and flows into the secondary side liquid inlet end of the cold quantity distribution unit to be tested;

[0022] The heated coolant flows out from the primary side liquid outlet end of the cold quantity distribution unit to be tested, and the temperature value is read through the first sensing component in the primary side cold quantity distribution unit test device;

[0023] According to the temperature value read by the first sensing component in the primary side cold quantity distribution unit test device and the second supply temperature, obtain the heat exchange amount of the cold quantity distribution unit to be tested.

[0024] Through the present application, since the cold quantity distribution unit test devices are respectively connected to both sides of the cold quantity distribution unit to be tested, the coolant in the liquid storage tank is pumped by the supply pump in the cold quantity distribution unit test device, the initial temperature of the coolant is set through the first simulation load, the coolant is flowed from the primary side to the secondary side, and the heat exchange performance of the cold quantity distribution unit to be tested is tested according to the coolant temperature on the secondary side. Therefore, the technical problem of test errors generated by different test methods can be solved, and test errors can be avoided. Description of the Drawings

[0025] To more clearly illustrate the embodiments of the present application, the following will briefly introduce the drawings required for the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0026] Figure 1 System structure schematic of the liquid cooling equipment test system provided by the embodiments of the present application Figure 1 ;

[0027] Figure 2 System structure schematic diagram of the cooling capacity distribution unit test device 10 provided by the embodiments of the present application;

[0028] Figure 3 Flow schematic of the liquid cooling equipment test method provided by the embodiments of the present application Figure 1 ;

[0029] Figure 4 System structure schematic of the liquid cooling equipment test system provided by the embodiments of the present application Figure 2 ;

[0030] Figure 5 Structure schematic diagram of the liquid distribution test device 20 provided by the embodiments of the present application;

[0031] Figure 6 Flow schematic of the liquid cooling equipment test method provided by the embodiments of the present application Figure 2 ;

[0032] Figure 7 System structure schematic of the liquid cooling equipment test system provided by the embodiments of the present application Figure 3 ;

[0033] Figure 8 System structure schematic of the liquid cooling equipment test system provided by the embodiments of the present application Figure 4 ;

[0034] Figure 9 System structure schematic diagram of the cooling medium test device 30 provided by the embodiments of the present application;

[0035] Figure 10 Flow schematic of the liquid cooling equipment test method provided by the embodiments of the present application Figure 3 。

[0036] Among them, the above-mentioned drawings include the following reference numerals:

[0037] 10 - Cooling capacity distribution unit test device;

[0038] 101 - Liquid storage tank;

[0039] 102 - Cold source;

[0040] 103 - First simulated load;

[0041] 104 - Liquid supply pump;

[0042] 105 - First sensing component;

[0043] 106 - Second sensing component;

[0044] 107 - First control valve;

[0045] 108 - Second control valve;

[0046] 109 - Third control valve;

[0047] 20 - Liquid separation test device;

[0048] 201 - Third sensing component;

[0049] 202 - Fourth sensing component;

[0050] 203 - Fourth control valve;

[0051] 30 - Cooling medium test device;

[0052] 301 - Fifth sensing component;

[0053] 302 - Sixth sensing component;

[0054] 303 - Liquid separation passage;

[0055] 304 - Fifth control valve;

[0056] 305 - Second simulated load. Detailed implementation manners

[0057] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present application.

[0058] It should be noted that in the description of the present application, the terms "include", "comprise" or any other variant thereof are intended to cover a non - exclusive inclusion, such that a process, method, article or device including a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article or device. The terms "first", "second", etc. in the present application are used to distinguish similar objects and are not used to describe a specific order or sequence.

[0059] First, the terms involved in this application are explained as follows:

[0060] Liquid separation uniformity: It refers to the consistency of the volume or composition of each portion of liquid during the liquid distribution process.

[0061] To solve the problem of test errors existing between different test methods in the related art, the technical concept proposed in the embodiments of this application is as follows: The inventor considered designing a test device for the cold quantity distribution unit, connecting the test device for the cold quantity distribution unit on both sides of the cold quantity distribution unit to be tested, pumping the coolant in the liquid storage tank through the liquid supply pump in the test device for the cold quantity distribution unit, setting the initial temperature of the coolant through the first simulation load, flowing the coolant from the primary side of the cold quantity distribution unit to be tested into the secondary side, and testing the heat exchange performance of the cold quantity distribution unit to be tested according to the temperature of the coolant on the secondary side. For different cold quantity distribution units, there is no need to design different test methods, thus avoiding test errors.

[0062] To enable those skilled in the art of this technology to better understand the solution of this application, the following further detailed description of this application will be given in conjunction with the accompanying drawings and specific implementation manners.

[0063] Figure 1 System structure schematic diagram of the liquid cooling equipment test system provided by the embodiments of this application Figure 1 . As Figure 1 shown, the liquid cooling equipment test system includes:

[0064] At least one test device 10 for the cold quantity distribution unit.

[0065] The test device 10 for the cold quantity distribution unit includes: a liquid storage tank 101, a cold source 102, a first simulation load 103, a liquid supply pump 104, a first sensing component 105, a second sensing component 106, a first control valve 107, and a second control valve 108.

[0066] Figure 2 System structure schematic diagram of the test device 10 for the cold quantity distribution unit provided by the embodiments of this application.

[0067] The liquid inlet end of the first simulation load 103 is communicated with the liquid outlet end of the first control valve 107 through a first communication pipeline.

[0068] In this embodiment, the first simulation load 103 is a simulated heat load and can heat the coolant.

[0069] In this embodiment, the first control valve 107 can be a one-way valve or a two-way valve.

[0070] The first sensing component 105 is arranged on the first communication pipeline.

[0071] In this embodiment, the sensors in the first sensing assembly 105 include, but are not limited to, one or more of a temperature sensor, a pressure sensor, and a flow sensor.

[0072] The liquid outlet end of the first analog load 103 is communicated with the liquid inlet end of the cold source 102.

[0073] In this embodiment, a cooling fan is provided inside the cold source 102.

[0074] Specifically, the cold source 102 cools the coolant flowing into the primary side and flows the cooled coolant into the liquid storage tank 101.

[0075] The liquid outlet end of the cold source 102 is communicated with the liquid inlet end of the liquid storage tank 101.

[0076] The liquid outlet end of the liquid storage tank 101 is communicated with the liquid inlet end of the liquid supply pump 104.

[0077] In this embodiment, an exhaust valve, a temperature sensor, and a liquid drain port are provided on the liquid storage tank 101.

[0078] The liquid outlet end of the liquid supply pump 104 is communicated with the liquid inlet end of the second control valve 108 through a second communication pipeline.

[0079] In this embodiment, the liquid supply pump 104 can extract the coolant along the flowing direction of the coolant or extract the coolant along the reverse direction of the flowing direction of the coolant.

[0080] In this embodiment, the second control valve 108 can be a one-way valve or a two-way valve.

[0081] The second sensing assembly 106 is arranged on the second communication pipeline.

[0082] In this embodiment, the sensors in the second sensing assembly 106 include, but are not limited to, one or more of a temperature sensor, a pressure sensor, and a flow sensor.

[0083] The liquid inlet end of the first control valve 107 is used to connect to the liquid outlet end of the cold quantity distribution unit to be tested, and the liquid outlet end of the second control valve 108 is used to connect to the liquid inlet end of the cold quantity distribution unit to be tested.

[0084] Among them, a cold quantity distribution unit testing device 10 is connected to the liquid inlet end of the primary side of the cold quantity distribution unit to be tested through the liquid outlet end of the second control valve 108, and is connected to the liquid outlet end of the primary side of the cold quantity distribution unit to be tested through the liquid inlet end of the first control valve 107.

[0085] In this embodiment, the liquid outlet end of the cold quantity distribution unit testing device is connected to the liquid inlet end of the primary side of the cold quantity distribution unit to be tested through a pipeline.

[0086] In this embodiment, a pipeline is used to connect the liquid inlet end of the cooling capacity distribution unit testing device to the liquid outlet end of the primary side of the to-be-tested cooling capacity distribution unit.

[0087] In this embodiment, another cooling capacity distribution unit testing device 10 is connected to the liquid inlet end of the secondary side of the to-be-tested cooling capacity distribution unit through the liquid outlet end of the second control valve 108, and is connected to the liquid outlet end of the secondary side of the to-be-tested cooling capacity distribution unit through the liquid inlet end of the first control valve 107.

[0088] In this embodiment, a pipeline is used to connect the liquid outlet end of the cooling capacity distribution unit testing device to the liquid inlet end of the secondary side of the to-be-tested cooling capacity distribution unit.

[0089] In this embodiment, a pipeline is used to connect the liquid inlet end of the cooling capacity distribution unit testing device to the liquid outlet end of the secondary side of the to-be-tested cooling capacity distribution unit.

[0090] As can be seen from the above embodiments, by connecting the cooling capacity distribution unit testing devices to both sides of the to-be-tested cooling capacity distribution unit respectively, using the liquid supply pump in the cooling capacity distribution unit testing device to extract the cooling liquid from the liquid storage tank, setting the initial temperature of the cooling liquid through the first simulation load, flowing the cooling liquid from the primary side to the secondary side, and testing the heat exchange performance of the to-be-tested cooling capacity distribution unit according to the temperature of the cooling liquid on the secondary side, different testing methods do not need to be designed for different cooling capacity distribution units, thus avoiding testing errors.

[0091] In an embodiment of the present application, the cooling capacity distribution unit testing device 10 further includes: a third control valve 109.

[0092] The liquid outlet end of the first simulation load 103 is communicated with the liquid inlet end of the cold source 102 through a third communication pipeline.

[0093] The liquid outlet end of the liquid storage tank 101 is communicated with the liquid inlet end of the liquid supply pump 104 through a fourth communication pipeline.

[0094] The liquid inlet end of the third control valve 109 is arranged on the third communication pipeline, and the liquid outlet end of the third control valve 109 is arranged on the fourth communication pipeline.

[0095] In this embodiment, the third control valve 109 can be a one-way valve or a two-way valve.

[0096] In this embodiment, the third control valve 109 on the primary side of the to-be-tested cooling capacity distribution unit is set to the closed state, and the third control valve 109 on the secondary side of the to-be-tested cooling capacity distribution unit is set to the open state.

[0097] As can be seen from the above embodiments, by opening the third control valve on the secondary side, the liquid storage tank and the cold source in the secondary side cooling capacity distribution unit test device are shielded to prevent the coolant from flowing into the liquid storage tank. The third control valve on the primary side is closed to cool down the coolant on the primary side and supply the coolant, so as to simulate the heat exchange performance of the cooling capacity distribution unit.

[0098] Figure 3 Flow schematic of the liquid cooling equipment test method provided by the embodiment of the present application Figure 1 . The method includes:

[0099] S301: Open the first control valve and the second control valve in the primary side cooling capacity distribution unit test device of the cold quantity distribution unit to be tested.

[0100] In this embodiment, by adjusting the first control valve and the second control valve on the primary side, the flow rate on the primary side is set to .

[0101] S302: Open the first simulation load in the primary side cooling capacity distribution unit test device, and set the coolant temperature on the primary side to the first liquid supply temperature.

[0102] In this embodiment, the first simulation load heats the coolant temperature on the primary side, and raises the liquid supply temperature on the primary side to , which is recorded as the first liquid supply temperature.

[0103] S303: Open the first control valve and the second control valve in the secondary side cooling capacity distribution unit test device of the cold quantity distribution unit to be tested.

[0104] In this embodiment, by adjusting the first control valve and the second control valve on the secondary side, the flow rate on the secondary side is set to .

[0105] S304: Open the liquid storage tank in the primary side cooling capacity distribution unit test device, so that the coolant flows through the liquid supply pump and the second sensing component in the primary side cooling capacity distribution unit test device in sequence, and flows into the primary side liquid inlet end of the cold quantity distribution unit to be tested.

[0106] S305: The coolant flows out from the secondary side liquid outlet end of the cold quantity distribution unit to be tested, and flows through the first sensing component in the secondary side cooling capacity distribution unit test device into the first simulation load in the secondary side cooling capacity distribution unit test device.

[0107] S306: Open the first simulation load in the secondary side cooling capacity distribution unit test device, and heat the coolant temperature on the secondary side to the second liquid supply temperature.

[0108] Specifically, according to the set number of cycles , increase the power consumption of the first simulated load, and record the power consumption corresponding to each number of cycles as , and obtain the corresponding secondary-side liquid supply temperature , and record it as the second liquid supply temperature.

[0109] Specifically, compare the second liquid supply temperature with the target liquid supply temperature set on the secondary side to make a judgment and of the numerical values. If is greater than or equal to , then is determined as the second liquid supply temperature under the maximum heat exchange capacity.

[0110] S307: The heated coolant sequentially passes through the liquid supply pump and the second sensing component in the secondary-side cold quantity distribution unit test device, and flows into the secondary-side liquid inlet end of the cold quantity distribution unit to be tested.

[0111] S308: The heated coolant flows out from the primary-side liquid outlet end of the cold quantity distribution unit to be tested, and the temperature value is read through the first sensing component in the primary-side cold quantity distribution unit test device.

[0112] S309: Obtain the heat exchange capacity of the cold quantity distribution unit to be tested according to the temperature value read by the first sensing component in the primary-side cold quantity distribution unit test device and the second liquid supply temperature.

[0113] Specifically, obtain the value of the second liquid supply temperature , and obtain the maximum heat exchange capacity of the cold quantity distribution unit to be tested according to the second liquid supply temperature .

[0114] As can be seen from the above embodiments, by respectively arranging cold quantity distribution unit test devices on both sides of the cold quantity distribution unit to be tested, by setting the flow rate and the liquid supply temperature, increasing the power consumption of the simulated heat load on the secondary side, and obtaining the heat exchange performance of the cold quantity distribution unit according to the corresponding actual liquid supply temperature and the initial liquid supply temperature, the error in testing the heat exchange performance is avoided.

[0115] In an embodiment of the present application, the liquid cooling device test system further includes: at least one liquid separation test device 20.

[0116] Figure 4 is the system structure schematic diagram of the liquid cooling device test system provided by the embodiment of the present application Figure 2 .

[0117] Figure 5 is the structure schematic diagram of the liquid separation test device 20 provided by the embodiment of the present application.

[0118] Among them, each liquid separation test device 20 includes: a third sensing component 201, a fourth sensing component 202, and a fourth control valve 203.

[0119] Among them, the liquid inlet end of the fourth control valve 203 is connected to the liquid outlet end of the first liquid separation device to be tested through a fifth communication pipeline.

[0120] In this embodiment, the liquid separation device is a cabinet cooling working medium supply and return manifold.

[0121] In this embodiment, the first liquid separation device to be tested includes at least one liquid outlet end.

[0122] In this embodiment, the fourth control valve 203 can be a one-way valve or a two-way valve.

[0123] The liquid outlet end of the fourth control valve 203 is connected to the liquid inlet end of the second liquid separation device to be tested through a sixth communication pipeline.

[0124] In this embodiment, the second liquid separation device to be tested includes at least one liquid inlet end.

[0125] The third sensing component 201 is arranged on the fifth communication pipeline.

[0126] In this embodiment, the sensors in the third sensing component 201 include, but are not limited to, one or more of a temperature sensor, a pressure sensor, and a flow sensor.

[0127] The fourth sensing component 202 is arranged on the sixth communication pipeline.

[0128] In this embodiment, the sensors in the fourth sensing component 202 include, but are not limited to, one or more of a temperature sensor, a pressure sensor, and a flow sensor.

[0129] As can be seen from the above embodiments, by connecting a liquid separation test device between two liquid separation devices to be tested and adjusting the flow rate of the liquid separation device to be tested through the fourth control valve, the test of the liquid separation device is realized, and test errors are avoided.

[0130] Figure 6 Schematic flow of the liquid cooling equipment test method provided by the embodiment of the present application Figure 2 . This method includes:

[0131] S601: Open the fourth control valve in the liquid separation test device so that the coolant flows from the liquid outlet end of the first liquid separation device to be tested into the liquid inlet end of the second liquid separation device to be tested.

[0132] In this embodiment, the liquid separation device is a cabinet cooling working medium supply and return manifold.

[0133] In this embodiment, when testing the liquid distribution uniformity of the cooling medium supply and return manifold of the test cabinet, a cooling capacity distribution unit test device 10 is required. The coolant in the cooling capacity distribution unit test device 10 sequentially passes through the first test cabinet cooling medium supply and return manifold, the liquid distribution test device 20, and the second test cabinet cooling medium supply and return manifold, and then returns to the cooling capacity distribution unit test device 10.

[0134] In this embodiment, the liquid inlet end of the first test cabinet cooling medium supply and return manifold is connected to the liquid outlet end of the cooling capacity distribution unit test device 10, and the liquid outlet end of the second test cabinet cooling medium supply and return manifold is connected to the liquid inlet end of the cooling capacity distribution unit test device 10.

[0135] In this embodiment, the supply temperature of the coolant is 。

[0136] In this embodiment, the set supply flow rate of the cooling capacity distribution unit test device 10 is L.

[0137] S602: Collect the pressure at the liquid inlet end of the fourth control valve according to the third sensing component in the liquid distribution test device.

[0138] In this embodiment, the third sensing component collects the pressure at the liquid inlet end of the fourth control valve and records it as 。

[0139] S603: Collect the pressure at the liquid outlet end of the fourth control valve according to the fourth sensing component in the liquid distribution test device.

[0140] In this embodiment, the fourth sensing component collects the pressure at the liquid outlet end of the fourth control valve and records it as 。

[0141] S604: Calculate the pressure difference according to the pressure at the liquid inlet end of the fourth control valve and the pressure at the liquid outlet end of the fourth control valve.

[0142] In this embodiment, the pressure difference of each branch is recorded as , where n represents the number of branches.

[0143] S605: Adjust the fourth control valve to make the pressure differences of each branch of the first test liquid distribution device and the second test liquid distribution device the same, and collect the flow rate values of each branch through the third sensing component and the fourth sensing component.

[0144] In this embodiment, the flow rate value of each branch is recorded as 。

[0145] S606: Calculate and generate the liquid distribution uniformity of each branch according to the flow rate values of each branch.

[0146] Specifically, compare the liquid distribution uniformity of each branch with the liquid distribution uniformity limit value corresponding to each branch to determine whether each branch meets the liquid distribution uniformity requirement.

[0147] In this embodiment, the liquid distribution uniformity limits of different branches are different.

[0148] In this embodiment, the formula for calculating the liquid distribution uniformity of each branch is:

[0149]

[0150] In the formula, represents the liquid distribution uniformity of the nth branch; represents the maximum flow rate of the nth branch; represents the minimum flow rate of the nth branch.

[0151] As can be seen from the above embodiments, by adjusting the pressure difference of each path of the liquid distribution device to be tested through the fourth control valve, obtaining the corresponding flow rate according to the pressure difference, and comparing the flow rate with the preset flow rate of each path, the liquid distribution uniformity of each path of the liquid distribution device to be tested is obtained, avoiding errors in testing the liquid distribution uniformity.

[0152] In an embodiment of the present application, the liquid cooling equipment test system further includes: at least one cooling medium test device 30.

[0153] Figure 7 Schematic diagram of the system structure of the liquid cooling equipment test system provided by the embodiment of the present application Figure 3 。

[0154] Figure 8 Schematic diagram of the system structure of the liquid cooling equipment test system provided by the embodiment of the present application Figure 4 。

[0155] In an embodiment of the present application, as Figure 8 shown, suspend and immerse the cold plate assembly to be tested in a box filled with a coolant, connect the box to the cold quantity distribution unit test device 10, cool down the coolant in the box through the cold quantity distribution unit test device 10, and judge the compatibility between the cold plate assembly and the coolant according to the change in the mass of the cold plate assembly to be tested and the change in the ion concentration of the coolant in the box.

[0156] Figure 9 Schematic diagram of the system structure of the cooling medium test device 30 provided by the embodiment of the present application.

[0157] Among them, each cooling medium test device 30 includes: a fifth sensing component 301, a sixth sensing component 302, a liquid distribution path 303, a fifth control valve 304, and a second simulation load 305.

[0158] Among them, the fifth sensing component 301 is disposed on the liquid distribution passage 303.

[0159] In this embodiment, the fifth sensing component 301 includes one or more of, but is not limited to, a temperature sensor, a pressure sensor, and a flow sensor.

[0160] The liquid inlet end of the liquid distribution passage 303 is connected to the liquid outlet end of the first liquid distribution device.

[0161] The liquid outlet end of the liquid distribution passage 303 is connected to the liquid inlet end of the cold plate assembly to be tested.

[0162] The liquid inlet end of the fifth control valve 304 is connected to the liquid outlet end of the cold plate assembly to be tested through the seventh communication pipeline.

[0163] The liquid outlet end of the fifth control valve 304 is connected to the liquid inlet end of the second liquid distribution device.

[0164] The sixth sensing component 302 is disposed on the seventh communication pipeline.

[0165] In this embodiment, the sixth sensing component 302 includes one or more of, but is not limited to, a temperature sensor, a pressure sensor, and a flow sensor.

[0166] The second simulated load 305 is disposed in close contact with the bottom of the cold plate assembly to be tested.

[0167] In this embodiment, the second simulated load is a device inside the simulated server.

[0168] Among them, the devices inside the server include, but are not limited to, a CPU, a memory, and a hard disk.

[0169] As can be seen from the above embodiments, by providing a cooling medium test device between the first liquid distribution device and the second liquid distribution device, attaching the cold plate assembly to the second simulated load, flowing the coolant through the cooling medium test device, and testing the compatibility between the cold plate assembly and the coolant according to the mass change of the cold plate assembly, test errors are avoided.

[0170] Figure 10 Schematic flow of the liquid cooling equipment test method provided by the embodiment of the present application Figure 3 . The method includes:

[0171] S101: Measure the initial weight of the cold plate assembly to be tested.

[0172] In this embodiment, when testing the compatibility between the cold plate assembly and the coolant, a cold quantity distribution unit test device 10 is required. The coolant in the cold quantity distribution unit test device 10 sequentially passes through the first cabinet cooling working medium supply and return manifold, the cold plate assembly to be tested, the cooling medium test device 30, and the second cabinet cooling working medium supply and return manifold and then flows back to the cold quantity distribution unit test device 10.

[0173] In this embodiment, the initial weight of the cold plate assembly to be measured is recorded as , where n represents the number of cold plate assemblies to be measured.

[0174] In this embodiment, the flow rate of the coolant is set to L.

[0175] In this embodiment, the supply temperature of the coolant is set to .

[0176] S102: Attach the cold plate assembly to be measured to the second simulated load in the cooling medium test device.

[0177] S103: Open the fifth control valve in the cooling medium test device so that the coolant flows into the inlet end of the cold plate assembly to be measured through the liquid distribution passage in the cooling medium test device.

[0178] S104: The coolant cools down the cold plate assembly to be measured and flows out from the outlet end of the cold plate assembly to be measured.

[0179] S105: Remove the cold plate assembly to be measured according to the preset interval time to obtain the weight of the cooled-down cold plate assembly.

[0180] In this embodiment, according to the preset interval time T, remove one cold plate assembly to be measured, weigh it, and obtain the weight of the cooled-down cold plate assembly .

[0181] S106: Obtain the weight change of the cold plate assembly to be measured according to the initial weight and the weight of the cooled-down cold plate assembly of the cold plate assembly to be measured.

[0182] In this embodiment, the formula for obtaining the weight change of the cold plate assembly to be measured is:

[0183]

[0184] In the formula, represents the weight change of the cold plate assembly to be measured; represents the weight of the cold plate assembly to be measured at the initial moment; represents the weight of the cold plate assembly to be measured after the heat dissipation interval time of the coolant on the cold plate assembly to be measured.

[0185] S107: Take out the coolant, detect the ion concentration in the coolant, and obtain the concentration difference.

[0186] In this embodiment, according to the preset interval time T, take out the same volume of coolant, measure the change in the ion concentration in the taken-out coolant, and obtain the concentration difference.

[0187] S108: Determine the compatibility between the cold plate assembly and the coolant based on the concentration difference and the weight change of the cold plate assembly to be measured.

[0188] Specifically, if the concentration difference and the weight change of the cold plate assembly to be measured meet the preset range values of the concentration difference and the weight change, the compatibility between the cold plate assembly to be measured and the coolant meets the requirements.

[0189] As can be seen from the above embodiments, by obtaining the initial weight of each cold plate assembly to be measured, flowing the coolant through each cold plate assembly to dissipate heat from the cold plate assembly, and measuring the weight of each cold plate assembly after heat dissipation and the change in the ion concentration of the coolant, the compatibility between the cold plate assembly and the coolant is judged, avoiding the error in testing the coolant compatibility.

[0190] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention.

[0191] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" or "several" means two or more unless otherwise specifically defined.

[0192] The above has introduced in detail a liquid cooling device test system and method provided by the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the principle of the present application, several improvements and modifications can still be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A liquid cooling device test system, characterized in that, Comprising: At least one cold quantity distribution unit testing device (10); The cold quantity distribution unit testing device (10) includes: a liquid storage tank (101), a cold source (102), a first simulation load (103), a liquid supply pump (104), a first sensing component (105), a second sensing component (106), a first control valve (107), and a second control valve (108); The liquid inlet end of the first simulation load (103) is communicated with the liquid outlet end of the first control valve (107) through a first communication pipeline; The first sensing component (105) is arranged on the first communication pipeline; The liquid outlet end of the first simulation load (103) is communicated with the liquid inlet end of the cold source (102); The liquid outlet end of the cold source (102) is communicated with the liquid inlet end of the liquid storage tank (101); The liquid outlet end of the liquid storage tank (101) is communicated with the liquid inlet end of the liquid supply pump (104); The liquid outlet end of the liquid supply pump (104) is communicated with the liquid inlet end of the second control valve (108) through a second communication pipeline; The second sensing component (106) is arranged on the second communication pipeline; The liquid inlet end of the first control valve (107) is used to access the liquid outlet end of the to-be-tested cold quantity distribution unit, and the liquid outlet end of the second control valve (108) is used to access the liquid inlet end of the to-be-tested cold quantity distribution unit.

2. The liquid cooling equipment testing system according to claim 1, wherein The cold quantity distribution unit testing device (10) further includes: a third control valve (109); The liquid outlet end of the first simulation load (103) is communicated with the liquid inlet end of the cold source (102) through a third communication pipeline; The liquid outlet end of the liquid storage tank (101) is communicated with the liquid inlet end of the liquid supply pump (104) through a fourth communication pipeline; The liquid inlet end of the third control valve (109) is arranged on the third communication pipeline, and the liquid outlet end of the third control valve (109) is arranged on the fourth communication pipeline.

3. The liquid cooling equipment testing system according to claim 1, wherein The first sensing component (105) includes one or more of a temperature sensor, a pressure sensor, and a flow sensor.

4. The liquid cooling equipment testing system according to claim 1, characterized in that, The second sensing component (106) includes one or more of a temperature sensor, a pressure sensor, and a flow sensor.

5. The liquid cooling equipment testing system according to claim 1, wherein Further comprising: At least one liquid separation testing device (20); Wherein, each liquid separation testing device (20) includes: a third sensing component (201), a fourth sensing component (202), and a fourth control valve (203); Wherein, the liquid inlet end of the fourth control valve (203) accesses the liquid outlet end of the first to-be-tested liquid separation device through a fifth communication pipeline; The liquid outlet end of the fourth control valve (203) accesses the liquid inlet end of the second to-be-tested liquid separation device through a sixth communication pipeline; The third sensing component (201) is arranged on the fifth communication pipeline; The fourth sensing component (202) is arranged on the sixth communication pipeline.

6. The liquid cooling equipment testing system according to claim 5, characterized in that The third sensing component (201) includes one or more of a temperature sensor, a pressure sensor, and a flow sensor.

7. The liquid cooling equipment testing system according to claim 5, characterized in that, The fourth sensing component (202) includes one or more of a temperature sensor, a pressure sensor, and a flow sensor.

8. The liquid cooling equipment testing system according to claim 1, characterized in that, Further comprising: At least one cooling medium test device (30); Wherein, each cooling medium test device (30) includes: a fifth sensing component (301), a sixth sensing component (302), a liquid distribution passage (303), a fifth control valve (304), and a second simulated load (305); Wherein, the fifth sensing component (301) is arranged on the liquid distribution passage (303); The liquid inlet end of the liquid distribution passage (303) is connected to the liquid outlet end of the first liquid distribution device; The liquid outlet end of the liquid distribution passage (303) is connected to the liquid inlet end of the cold plate assembly to be tested; The liquid inlet end of the fifth control valve (304) is connected to the liquid outlet end of the cold plate assembly to be tested through a seventh communication pipeline; The liquid outlet end of the fifth control valve (304) is connected to the liquid inlet end of the second liquid distribution device; The sixth sensing component (302) is arranged on the seventh communication pipeline; The second simulated load (305) is arranged in close contact with the bottom of the cold plate assembly to be tested.

9. The liquid cooling equipment testing system according to claim 8, wherein The fifth sensing component (301) includes one or more of a temperature sensor, a pressure sensor, and a flow sensor.

10. The liquid cooling equipment testing system according to claim 8, wherein The sixth sensing component (302) includes one or more of a temperature sensor, a pressure sensor, and a flow sensor.

11. A method for testing a liquid cooling device, characterized in that, Using the liquid cooling equipment test system according to any one of claims 1 to 4, including: Opening the first control valve and the second control valve in the primary side cooling capacity distribution unit test device of the cooling capacity distribution unit to be tested; Opening the first simulated load in the primary side cooling capacity distribution unit test device, and setting the coolant temperature on the primary side to the first liquid supply temperature; Opening the first control valve and the second control valve in the secondary side cooling capacity distribution unit test device of the cooling capacity distribution unit to be tested; Opening the liquid storage tank in the primary side cooling capacity distribution unit test device, so that the coolant flows through the liquid supply pump and the second sensing component in the primary side cooling capacity distribution unit test device in sequence, and flows into the primary side liquid inlet end of the cooling capacity distribution unit to be tested; The coolant flows out from the secondary side liquid outlet end of the cooling capacity distribution unit to be tested, and flows through the first sensing component in the secondary side cooling capacity distribution unit test device and into the first simulated load in the secondary side cooling capacity distribution unit test device; Opening the first simulated load in the secondary side cooling capacity distribution unit test device, and heating the coolant temperature on the secondary side to the second liquid supply temperature; The heated coolant flows through the liquid supply pump and the second sensing component in the secondary side cooling capacity distribution unit test device in sequence, and flows into the secondary side liquid inlet end of the cooling capacity distribution unit to be tested; The heated coolant flows out from the primary side liquid outlet end of the cooling capacity distribution unit to be tested, and reads the temperature value through the first sensing component in the primary side cooling capacity distribution unit test device; According to the temperature value read by the first sensing component in the primary side cooling capacity distribution unit test device and the second liquid supply temperature, obtain the heat exchange amount of the cooling capacity distribution unit to be tested.

12. A method for testing a liquid cooling device, characterized in that, Using the liquid cooling equipment test system according to any one of claims 5 to 7, including: Open the fourth control valve in the liquid separation test device so that the coolant flows from the liquid outlet end of the first liquid separation device to be tested into the liquid inlet end of the second liquid separation device to be tested; Collect the pressure at the liquid inlet end of the fourth control valve according to the third sensing component in the liquid separation test device; Collect the pressure at the liquid outlet end of the fourth control valve according to the fourth sensing component in the liquid separation test device; Calculate the pressure difference based on the pressure at the liquid inlet end of the fourth control valve and the pressure at the liquid outlet end of the fourth control valve; Adjust the fourth control valve so that the pressure differences of the first liquid separation device to be tested and the second liquid separation device to be tested are the same, and collect the flow rate values of each branch through the third sensing component and the fourth sensing component; Calculate the liquid separation uniformity of each branch based on the flow rate values of each branch.

13. The liquid cooling device testing method according to claim 12, wherein The formula for calculating the liquid separation uniformity of each branch based on the flow rate values of each branch is: In the formula, represents the liquid distribution uniformity of the nth branch; represents the maximum flow rate of the nth branch; represents the minimum flow rate of the nth branch.

14. A method for testing a liquid cooling device, characterized in that, Adopt the liquid cooling equipment test system according to any one of claims 8 to 10, including: Measure the initial weight of the cold plate assembly to be tested; Attach the cold plate assembly to be tested to the second simulated load in the cooling medium test device; Open the fifth control valve in the cooling medium test device so that the coolant flows into the liquid inlet end of the cold plate assembly to be tested through the liquid separation path in the cooling medium test device; The coolant cools down the cold plate assembly to be tested and flows out from the liquid outlet end of the cold plate assembly to be tested; Remove the cold plate assembly to be tested at preset intervals to obtain the weight of the cooled cold plate assembly; Obtain the weight change of the cold plate assembly to be tested based on the initial weight of the cold plate assembly to be tested and the weight of the cooled cold plate assembly; Take out the coolant and detect the ion concentration in the coolant to obtain the concentration difference; Determine the compatibility between the cold plate assembly and the coolant based on the concentration difference and the weight change of the cold plate assembly to be tested.

15. The liquid cooling equipment testing method according to claim 14, characterized in that, The formula for obtaining the weight change of the cold plate assembly to be tested is: In the formula, represents the weight change of the cold plate assembly to be measured; represents the weight of the cold plate assembly to be measured at the initial moment; represents the weight of the cold plate assembly to be measured after the heat dissipation interval of the coolant for the cold plate assembly to be measured.

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