CN117249855A - Novel liquid cooling simulation load calibration test platform and test method - Google Patents
Novel liquid cooling simulation load calibration test platform and test method Download PDFInfo
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- CN117249855A CN117249855A CN202311542060.1A CN202311542060A CN117249855A CN 117249855 A CN117249855 A CN 117249855A CN 202311542060 A CN202311542060 A CN 202311542060A CN 117249855 A CN117249855 A CN 117249855A
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- 239000007788 liquid Substances 0.000 title claims abstract description 137
- 238000001816 cooling Methods 0.000 title claims abstract description 111
- 238000012360 testing method Methods 0.000 title claims abstract description 85
- 238000004088 simulation Methods 0.000 title claims abstract description 71
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000001802 infusion Methods 0.000 claims abstract description 18
- 239000000110 cooling liquid Substances 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 5
- 239000012809 cooling fluid Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a novel liquid cooling simulation load calibration test platform and a test method, wherein the test platform comprises the following components: cold source system, transmission and distribution system, test system, distribution system, fluid infusion system, etc. The cold source system radiates heat in the liquid cooling simulated load calibration and test process to the outdoor atmosphere by means of a cooling tower, a dry cooler or other heat radiating devices; the transmission and distribution system is used for conveying the liquid-cooled simulated load cooling liquid and has a flow regulation function, and the flow regulation can be realized by adopting modes such as a flow regulation valve or a transmission and distribution device for frequency conversion; the cooling liquid is pure water or other cooling liquid working media; the test system is mainly used for liquid cooling simulated load calibration and measurement of tested electric and thermal physical parameters. The platform is used for realizing the calibration and test of the liquid cooling simulation load.
Description
Technical Field
The invention belongs to the crossing field of computer engineering, thermal management engineering and cooling technology, and particularly relates to a novel liquid cooling simulation load calibration test platform and a test method.
Background
The liquid cooling data center has rapid development due to the advantages of energy saving, carbon reduction, high power density server heat dissipation and the like. The test delivery phase of the liquid cooling related products and the liquid cooling data center project all need to use the liquid cooling simulation load. The liquid cooling simulation load needs to keep the power relatively constant under the test working condition, and meanwhile, the liquid cooling simulation load also needs to have measurement capability, including but not limited to liquid supply temperature, pressure, liquid return temperature, pressure, flow, power consumption, current and voltage; it is also desirable to have control capabilities, including control of the supply back hydraulic pressure differential. The relatively constant power can better simulate the actual application scene of the liquid cooling data center, and the measurement accuracy of the thermophysical parameters under the corresponding test working condition is the basic requirement of the liquid cooling products and projects for test verification, and the false test data lose the meaning of the test verification.
Disclosure of Invention
According to the invention, the measuring instrument with higher precision than the liquid cooling simulation load is arranged in the calibration test platform, the measuring instrument comprises but is not limited to a temperature sensor, a pressure sensor, a flowmeter, a power meter and the like, and the self instrument in the liquid cooling simulation load is calibrated through the high-precision instrument in the calibration test platform. Through calibration, the accuracy of measurement values such as power stability, temperature, pressure, flow, power, voltage and current of the liquid cooling simulation load is ensured. The method provides guarantee for the accuracy and reliability of test verification data of liquid cooling products and liquid cooling data center projects.
In order to achieve the above purpose, the present invention is realized by adopting the following technical scheme: the test platform comprises a cold source system, a transmission and distribution system, a liquid cooling simulation load, a test system, a power distribution system and a liquid supplementing system;
the cold source system is connected with the liquid cooling simulation load through the transmission and distribution system;
the test system is used for calibrating the liquid cooling simulated load with a measuring instrument and comprises a flowmeter, a pressure gauge, a temperature sensor and an electric energy parameter measuring instrument;
the power distribution system provides power for all system equipment including a cold source system, a transmission and distribution water pump, a measuring instrument sensor and a liquid cooling simulation load;
the fluid infusion system comprises a preparation device, a liquid storage tank and a fluid infusion pump, and provides cooling liquid services such as preparation, constant pressure, exhaust and the like for the calibration test platform.
Further, the cold source system comprises cold source equipment and a control device of the cold source system, wherein the cold source equipment comprises a closed cooling tower, a dry cooler and an open cooling tower heat dissipation device, and the cold source equipment is arranged outdoors.
Further, the transmission and distribution system comprises a transmission and distribution water pump, a pipeline and an electric regulating valve, wherein the electric regulating valve is arranged between liquid supply and return pipelines of the cold source system;
the cold source system is connected with the liquid cooling simulation load through a pipeline, and the pipeline between the pipeline and the liquid cooling simulation load is provided with a pressure gauge and a temperature sensor.
Further, the power distribution system comprises a power distribution cabinet and a power distribution unit; the power distribution cabinet is provided with an electric energy parameter metering instrument; the power supply of the liquid cooling simulation load is connected to the power supply distribution unit.
Further, the test system is used for calibrating the liquid cooling simulation load self-carried measuring instrument; the liquid cooling simulated load supply and return hydraulic pressure is measured by a pressure gauge;
the temperature of the liquid supply and return is measured by a pipeline type temperature sensor, and the flow rate of the liquid supply and return is measured by a flowmeter; the power supply voltage, current and power parameters of the liquid cooling simulation load are measured by an electric energy parameter metering instrument arranged in the power distribution cabinet.
Furthermore, pure water or other cooling working media are used in the fluid infusion system, and the fluid infusion pump is linked with a pressure gauge arranged on a pipeline, so that the pressure of the pipeline of the system is constant.
Further, the calibration test platform also comprises an operation monitoring system for displaying, storing and calibrating, and the monitoring system is connected with the test system.
In still another aspect, a novel liquid cooling simulated load calibration test method is applicable to the test platform, and the test method is as follows:
step 1, preparing a platform: starting a cold source system, and adjusting a delivery system to ensure normal circulation of cooling liquid; activating a power distribution system to provide power for a cold source system, a water transmission and distribution pump, liquid supplementing equipment and the like;
step 2, adjusting a cold source system: according to the test working condition, adjusting heat radiation equipment of the cold source system to set a proper liquid supply temperature; to adjusting operating parameters of a closed cooling tower, a dry cooler or an open cooling tower;
step 3, electric power adjustment: adjusting the power distribution unit to set power supply voltage and current suitable for the test working condition;
step 4, calibrating a liquid cooling simulation load: calibrating an own instrument in the liquid cooling simulation load by using a high-precision measuring instrument in the test system; including measuring and calibrating temperature, pressure, flow, and electrical energy parameters;
step 5, test operation: the liquid cooling simulation load is enabled to run in the test system, and the power is adjusted gradually to achieve the test working condition.
The invention has the beneficial effects that:
(1) Specific working conditions can be provided according to the calibration and test requirements, including the setting of parameters such as the supply and return hydraulic pressure, temperature and flow of the liquid cooling simulated load.
(2) The pipeline and the electric regulating valve meet the requirement of the liquid cooling simulation load on cleanliness, and the system can select different cooling working media according to requirements.
(3) The power stability, the thermal physical parameters such as pressure, temperature, flow and the like of the liquid cooling simulation load and the calibration of the electric energy measurement parameters such as voltage, current, power and the like can be realized.
(4) The system has the functions of pure water flushing, nitrogen drying, purging and pressure maintaining, and ensures the cleanliness of tested equipment.
Drawings
FIG. 1 is a schematic diagram of a liquid-cooled simulated load calibration test platform.
FIG. 2 is a schematic diagram of nitrogen purging, drying and pressure maintaining of a liquid cooling simulated load;
FIG. 3 is a flow chart of the test method of the present invention.
In the figure, a cold source system 1, a water delivery and distribution pump 2, a liquid cooling simulation load 3, a liquid supplementing system 4, an electric regulating valve 5, a flowmeter 6, a pressure gauge 7, a temperature sensor 8, a power distribution unit 9, a power distribution cabinet 10 and an electric energy parameter metering instrument 11.
Detailed Description
In the following, embodiments of the present disclosure will be disclosed with reference to the accompanying drawings, and for purposes of clarity, numerous practical details will be described in the following description. However, it should be understood that these practical details are not to be applied to limit the present disclosure. That is, in some embodiments of the present disclosure, these practical details are unnecessary. Furthermore, for the sake of simplicity of the drawing, some of the existing conventional structures and elements are shown in the drawing in a simplified schematic manner.
1-2, the test platform comprises a cold source system 1, a transmission and distribution system, a liquid cooling simulation load 3, a test system, a power distribution system and a liquid supplementing system 4;
the cold source system 1 is connected with the liquid cooling simulation load 3 through a transmission and distribution system;
the test system is used for calibrating the liquid cooling simulation load 3 with a measuring instrument and comprises a flowmeter 6, a pressure gauge 7, a temperature sensor 8 and an electric energy parameter measuring instrument 11;
the power distribution system provides power for all system equipment including a cold source system 1, a water transmission and distribution pump 2, a measuring instrument sensor and a liquid cooling simulation load 3;
the fluid infusion system 4 comprises a preparation device, a liquid storage tank and a fluid infusion pump, and provides cooling liquid services such as preparation, constant pressure, exhaust and the like for the calibration test platform.
The cold source system 1 comprises cold source equipment and a control device of the cold source system 1, wherein the cold source equipment comprises a closed cooling tower, a dry cooler and an open cooling tower heat dissipation device, and the cold source equipment is arranged outdoors. The transmission and distribution system comprises a transmission and distribution water pump 2, a pipeline and an electric regulating valve 5, wherein the electric regulating valve 5 is arranged between liquid return pipelines of the cold source system 1; the cold source system 1 is connected with the liquid cooling simulation load 3 through a pipeline by the water delivery and distribution pump 2, the water delivery and distribution pump 2 is connected with the liquid cooling simulation load 3 through a pipeline, and the pipeline between the water delivery and distribution pump 2 and the liquid cooling simulation load 3 is also provided with a pressure gauge 7 and a temperature sensor 8.
In the process of calibrating and testing the liquid cooling simulated load 3 by the cold source and the transmission and distribution system, cooling liquid circulates and is emitted to the outdoor atmospheric environment through the cold source system 1, and the cold source system 1 is generally heat-dissipating equipment such as a closed cooling tower, a dry cooler, an open cooling tower and the like; the transmission and distribution system comprises a transmission and distribution water pump 2, a pipeline, an electric regulating valve 5 and the like, and realizes heat exchange and transportation by circulating cooling liquid to the liquid cooling simulation load 3; the cold source system 1 and the transmission and distribution system can control the adjustment of the liquid cooling mode load in the adjustment test process of the liquid supply temperature, the liquid supply pressure and the liquid supply flow through the adjustment of the frequencies of the cold source system 1 and the transmission and distribution water pump 2, the opening adjustment of the pipeline electric adjusting valve 5 and the like so as to meet the stable adjustment of the test calibration working condition. Because cold source system 1 installs outdoors, outdoor meteorological parameter, liquid cooling analog load 3 power change etc. all can influence the liquid supply temperature, and electric control valve 5 between cold source system 1 radiator fan frequency conversion cooperation supplies the liquid back is with the help of automatic control device, realizes the temperature stabilization control of liquid cooling analog load 3 for the calibration, the test of liquid cooling analog load 3 at different liquid supply temperature operating modes. The flow control of the transmission and distribution system can be controlled by the frequency conversion of the transmission and distribution water pump 2, and can also be regulated by a manual flow regulating valve arranged in a pipeline, so that the calibration and the test of the liquid cooling simulation load 3 under different flow working conditions are realized. Because the cleanliness requirement of the liquid cooling simulation load 3 on the pipeline system is very high, the transmission and distribution pipeline and the electric regulating valve 5 are made of stainless steel or materials with higher cleanliness.
The power distribution system comprises a power distribution cabinet 10 and a power distribution unit 9; the power distribution cabinet 10 is provided with an electric energy parameter metering device 11; the power supply of the liquid-cooled analog load 3 is connected to the power distribution unit 9.
The power distribution system supplies power to the cold source system 1, the tested liquid cooling simulation load 3, the water delivery and distribution pump 2, the liquid supplementing equipment, the flowmeter 6, the pressure gauge 7, the temperature sensor 8, the electric valve and other electric equipment, and supplies power to the liquid cooling simulation load 3, the cold source water delivery and distribution pump 2 and the measuring instrument sensor respectively, wherein the power distribution cabinet 10 is required to be provided with an electric energy parameter measuring instrument 11; the power supply of the liquid-cooled analog load 3 is connected to the power distribution unit 9.
The test system is used for calibrating the liquid cooling simulation load 3 with a measuring instrument; the feed-back hydraulic pressure of the liquid cooling simulation load 3 is measured by a pressure gauge 7; the temperature of the liquid supply back is measured by a pipeline type temperature sensor 8, and the liquid supply flow is measured by a flowmeter 6; the supply voltage, current and power parameters of the liquid cooling simulation load 3 are measured by an electric energy parameter metering device 11 arranged in the power distribution cabinet 10.
The test system is mainly used for calibrating the liquid cooling simulation load 3 with a measuring instrument, the liquid supply and return pressure of the liquid cooling simulation load 3 is measured by a pressure gauge 7, the liquid supply and return temperature is measured by a pipeline type temperature sensor 8, the liquid supply flow is measured by a flowmeter 6, and the parameters such as the power supply voltage, the current, the power and the like of the liquid cooling simulation load 3 are measured by an electric energy parameter measuring instrument 11 configured in a power distribution cabinet 10. In addition, all measurement data can be integrated into a monitoring system for unified display and storage, so that the operation of calibration test is facilitated.
The fluid infusion system 4 uses pure water or other cooling working media, and the fluid infusion pump is linked with a pressure gauge 7 arranged on a pipeline, so that the pressure of the pipeline of the system is constant.
The fluid infusion system 4 provides the functions of preparing, constant pressure, exhausting and the like of cooling fluid for the calibration test platform, and ensures that the pipeline of the platform system is filled with the cooling fluid with certain set pressure. The fluid infusion system 4 comprises a preparation device of cooling fluid, a liquid storage tank and a fluid infusion pump, pure water or other cooling working media can be selected, and the fluid infusion pump is linked with a pressure gauge 7 arranged on a pipeline to realize constant pressure of the pipeline of the system.
After the system calibration test is finished, the system is washed by pure water, and is dried, purged and pressure maintained by a device shown in the figure 2.
The calibration test platform also comprises an operation monitoring system for displaying, storing and calibrating, and the monitoring system is connected with the test system.
A novel liquid cooling simulation load 3 calibration test method is suitable for the test platform, and the test method is as follows:
step 1, preparing a platform: all the equipment, including the cold source system 1, the transmission and distribution system, the testing system, the power distribution system and the fluid infusion system 4 are ensured to be in normal working state and safe working state, and the working state of all the equipment is confirmed by checking the indication information of the working indication lamps and related instruments of the equipment.
Step 2, adjusting a cold source system 1: according to the method, a preset liquid supply temperature is firstly input into a control device of the cold source system 1, the control device of the cold source system 1 controls cold source equipment according to the input liquid supply temperature, and the working frequency or the working rotating speed of the equipment is adjusted to reach the preset liquid supply temperature.
Step 3, electric power adjustment: according to the rated power consumption of the liquid cooling simulation load 3 and the requirements of a test environment, the output voltage and current of the power supply distribution unit 9 are adjusted, and the power supply capacity of the power supply is ensured to meet the working requirements of the liquid cooling simulation load 3; for this purpose, the operating parameters of the power distribution unit 9, such as output voltage, current, frequency, etc., can be adjusted.
Step 4, calibrating the liquid cooling simulation load 3: calibrating the own instrument in the liquid cooling simulation load 3 by using a high-precision measuring instrument in the test system; including measuring and calibrating temperature, pressure, flow, and electrical energy parameters; the main objective of the calibration is to ensure that the readings of the self meter of the liquid cooled analog load 3 are consistent with the readings of the high precision measuring meter in the test system.
Step 5, test operation: after the liquid cooling simulation load 3 reaches a stable working state, testing is started, and the liquid supply temperature, the return liquid temperature, the flow and the power supply pressure are changed in small steps according to the requirements of a testing program, so that the reaction of the liquid cooling simulation load 3 is observed and recorded.
Recording the specific parameters of each test and the reaction result of the liquid cooling simulation load 3, and collecting and managing data by using professional data recording software. After a series of tests, the performance of the liquid-cooled simulated load 3 was determined by evaluation and analysis based on the collected data.
The specific using process comprises the following steps: and installing the liquid cooling simulation load 3 to be calibrated and tested at the position of the pipeline, and connecting the related pipelines. And (3) performing fluid infusion and pressurizing on the calibration test platform to a required specific pressure working condition by utilizing a fluid infusion system 44, testing the fluid feedback pressure of the liquid-cooled simulated load 3 by a pressure gauge 7 arranged on a pipeline, and starting the cold source system 1 and the water delivery and distribution pump 2 to circulate cooling fluid in the pipeline. The fan frequency of the cold source system 1 and the opening of an electric regulating valve for supplying liquid back bypass are regulated by means of an automatic control system (or manually), so that the liquid supply temperature of the liquid cooling simulation load 3 is adjustable when different power values and different outdoor meteorological parameters are achieved, and the liquid supply temperature is measured by the temperature sensor 8. The pipeline flow is operated at a set value by adjusting the operating frequency of the water pump 2 or by adjusting a flow regulating valve provided in the pipeline, and the pipeline flow is measured by the flowmeter 6. The power supply of the liquid cooling simulation load 3 is connected to the power distribution unit 9, different power output values are switched through the control switch of the liquid cooling simulation load 3, and the power distribution cabinet 10 tests electric energy parameters such as voltage, current, power and the like under different output working conditions.
After the calibration test platform runs stably by adjusting different set values of hydraulic pressure, temperature, flow, power and the like, the measurement instrument in the liquid cooling simulation load 3 equipment is calibrated by using the high-precision standard measurement instrument arranged in the platform, including but not limited to the indication values of the instruments such as the temperature sensor 8, the flowmeter 6, the pressure gauge 7, the power gauge and the like. While calibrating the power stability of the liquid cooled analog load 3.
After the calibration test is finished, the liquid cooling simulation load 3 is flushed by pure water, and then the platform shown in fig. 2 is utilized to purge, dry and maintain the pressure of nitrogen (or other gases with stable physical and chemical properties) of the liquid cooling simulation load 3. In the drying process, by means of a gas heating device, the gas for drying is heated to a certain temperature (which is determined by the tolerance temperature of the liquid cooling simulation load 3), and is introduced into the calibrated test equipment, so that residual water stains in the equipment are purged and dried, and the pollution inside a pipeline caused by the deterioration of the residual water stains is avoided. In order to ensure the cleanliness in the transportation and storage processes of the equipment, the equipment is subjected to gas pressure maintaining.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disc, a Read Only Memory (ROM), a Random access Memory (Random ABBessMemory, RAM), or the like.
It should be understood that the detailed description of the technical solution of the present invention, given by way of preferred embodiments, is illustrative and not restrictive. Modifications of the technical solutions described in the embodiments or equivalent substitutions of some technical features thereof may be performed by those skilled in the art on the basis of the present description; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a novel liquid cooling simulation load calibration test platform which characterized in that: the test platform comprises a cold source system, a transmission and distribution system, a liquid cooling simulation load, a test system, a power distribution system and a liquid supplementing system;
the cold source system is connected with the liquid cooling simulation load through the transmission and distribution system;
the test system is used for calibrating the liquid cooling simulated load with a measuring instrument and comprises a flowmeter, a pressure gauge, a temperature sensor and an electric energy parameter measuring instrument;
the power distribution system provides power for all system equipment including a cold source system, a transmission and distribution water pump, a measuring instrument sensor and a liquid cooling simulation load;
the fluid infusion system comprises a preparation device, a liquid storage tank and a fluid infusion pump.
2. The novel liquid-cooled simulated load calibration test platform as claimed in claim 1, wherein: the cold source system comprises cold source equipment and a control device of the cold source system, wherein the cold source equipment is a closed cooling tower or a dry cooler or an open cooling tower, and the cold source equipment is arranged outdoors.
3. The novel liquid-cooled simulated load calibration test platform as claimed in claim 1, wherein: the transmission and distribution system comprises a transmission and distribution water pump, pipelines and an electric regulating valve, wherein the electric regulating valve is arranged between liquid return pipelines of the cold source system;
the cold source system is connected with the liquid cooling simulation load through a pipeline, and the pipeline between the pipeline and the liquid cooling simulation load is provided with a pressure gauge and a temperature sensor.
4. The novel liquid-cooled simulated load calibration test platform as claimed in claim 1, wherein: the power distribution system comprises a power distribution cabinet and a power distribution unit; the power distribution cabinet is provided with an electric energy parameter metering instrument; the power supply of the liquid cooling simulation load is connected to the power supply distribution unit.
5. The novel liquid-cooled simulated load calibration test platform as claimed in claim 1, wherein: the test system is used for calibrating the liquid cooling simulation load self-carried measuring instrument; the liquid cooling simulated load supply and return hydraulic pressure is measured by a pressure gauge;
the temperature of the liquid supply and return is measured by a pipeline type temperature sensor, and the flow rate of the liquid supply and return is measured by a flowmeter; the power supply voltage, current and power parameters of the liquid cooling simulation load are measured by an electric energy parameter metering instrument arranged in the power distribution cabinet.
6. The novel liquid-cooled simulated load calibration test platform as claimed in claim 1, wherein: the liquid supplementing system uses pure water or other cooling working media, and the liquid supplementing pump is linked with a pressure gauge arranged on a pipeline, so that the pressure of the pipeline of the system is constant.
7. The novel liquid-cooled simulated load calibration test platform as claimed in claim 1, wherein: the calibration test platform also comprises a monitoring system for displaying, storing and calibrating, and the monitoring system is connected with the test system.
8. A novel liquid-cooled simulated load calibration test method, said test method being applicable to the test platform according to any one of claims 1 to 7, characterized in that: the test method is as follows:
step 1, preparing a platform: starting a cold source system, and adjusting a delivery system to ensure normal circulation of cooling liquid; activating a power distribution system to provide power for a cold source system, a water transmission and distribution pump and liquid supplementing equipment;
step 2, adjusting a cold source system: according to the test working condition, adjusting heat radiation equipment of the cold source system to set a proper liquid supply temperature; to adjusting operating parameters of a closed cooling tower, a dry cooler or an open cooling tower;
step 3, electric power adjustment: adjusting the power distribution unit to set power supply voltage and current suitable for the test working condition;
step 4, calibrating a liquid cooling simulation load: calibrating an own instrument in the liquid cooling simulation load by using a high-precision measuring instrument in the test system; including measuring and calibrating temperature, pressure, flow, and electrical energy parameters;
step 5, test operation: the liquid cooling simulation load is enabled to run in the test system, and the power is adjusted gradually to achieve the test working condition.
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