CN115507473B - Data center cold supplementing device and method adjusted by cold accumulation - Google Patents
Data center cold supplementing device and method adjusted by cold accumulation Download PDFInfo
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- CN115507473B CN115507473B CN202211124233.3A CN202211124233A CN115507473B CN 115507473 B CN115507473 B CN 115507473B CN 202211124233 A CN202211124233 A CN 202211124233A CN 115507473 B CN115507473 B CN 115507473B
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- 238000009825 accumulation Methods 0.000 title claims abstract description 35
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 9
- 238000001816 cooling Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000012782 phase change material Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a data center cold supplementing device regulated by cold storage, which comprises a closed cabinet, a server and an inter-column air conditioner, wherein the server and the inter-column air conditioner are arranged in the closed cabinet, at least one cold storage module is further arranged in the closed cabinet, the cold storage module comprises a closed cold storage cavity, a cold storage pipeline which is partially embedded into the cold storage cavity, and a through air passage which is arranged on the surface of the cold storage cavity, one side of the through air passage is provided with an air flow driving unit, the cold storage cavity stores cold storage medium, the cold storage medium is in contact with the cold storage pipeline, and the cold storage pipeline is connected with a heat exchange coil of the inter-column air conditioner in parallel. The beneficial effects of the invention are as follows: when the load changes, the cold accumulation module and the inter-column air conditioner respond simultaneously, the cold accumulation module rapidly discharges cold, the defect of slow cold supply response of the inter-column air conditioner is overcome, the internal temperature of the closed cabinet is effectively maintained constant, the temperature field is uniform, the occurrence of local hot spots is avoided, the continuous high-efficiency stable operation of the server is ensured, and the operation cost and the failure occurrence rate of the data center are effectively reduced.
Description
Technical Field
The invention relates to the technical field of enhanced heat exchange of cold accumulation devices, in particular to a data center cold compensation device and method utilizing cold accumulation adjustment.
Background
The existing data center machine room mainly provides cold energy by a refrigerating host, when the load of the data center machine room suddenly increases, local hot spots easily appear in a machine cabinet, however, climbing of the refrigerating energy of the refrigerating host system needs a certain time, the cold energy output of the refrigerating host system has obvious delay effect when the load changes, the requirement of the data center machine room on the cold energy cannot be met in time, and even the situation that hot spot components fail in a short time can be caused, so that the normal operation of a server is seriously affected.
Disclosure of Invention
The invention provides a data center cold supplementing device and method utilizing cold accumulation adjustment, which mainly solve the problem of delay of refrigerating power of a refrigerating host.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides an utilize data center cold filling device of cold-storage regulation, includes airtight rack, and set up the inside server of airtight rack and the air conditioner between the row, still install at least one cold-storage module in the airtight rack, the cold-storage module includes airtight cold-storage cavity, part embedding the inside cold-storage pipeline of cold-storage cavity, and set up the through air flue on cold-storage cavity surface, one side of through air flue is provided with the air current drive unit, the cold-storage cavity stores the cold-storage medium, the cold-storage medium with cold-storage pipeline contacts, just the cold-storage pipeline with the heat transfer coil of air conditioner between the row is parallelly connected.
In some embodiments, the plurality of mutually parallel through air passages are uniformly distributed on the surface of the cold accumulation cavity.
In some embodiments, the cold accumulation pipe is partially bent into a U-shaped coil, the U-shaped coil is installed inside the cold accumulation cavity, the input end of the U-shaped coil is connected in parallel with the input end of the heat exchange coil, and the output end of the U-shaped coil is connected in parallel with the output end of the heat exchange coil.
In some embodiments, the cold storage module and the inter-column air conditioner both provide cold from the same refrigeration unit.
In some embodiments, the cold storage chamber is mounted on top of the inter-column air conditioner.
In some embodiments, the matched cooling capacity of the inter-column air conditioner is 1.1-1.2 times of the full-load heating capacity of the server, and the matched cooling capacity of the cold storage module is 0.15-0.2 times of the full-load heating capacity of the server.
In some embodiments, the cold storage medium is a phase change material having a phase change point of 20 to 25 ℃.
In some embodiments, the cool storage module has a cool storage period of 10 to 20 minutes.
A data center cold supplementing method utilizing cold storage regulation is used for the cold supplementing device and comprises the following steps:
when the temperature of the air outlet of the server is greater than or equal to the lower limit value and less than or equal to the upper limit value, the air flow driving unit is closed, and the cooling capacity of the inter-row air conditioner is maintained at the original level;
when the temperature of the air outlet of the server is smaller than the lower limit value, the air flow driving unit is closed, and the cooling capacity of the inter-row air conditioner is reduced;
and when the temperature of the air outlet of the server is greater than the upper limit value, starting the air flow driving unit to increase the cooling capacity of the inter-row air conditioner.
In some embodiments, the set value K is set to 30-37 ℃, the lower limit value is set to K-1 ℃, and the upper limit value is set to K+1 ℃ based on the set value K.
The beneficial effects of the invention are as follows: through increasing a cold accumulation module in airtight rack, air conditioner and cold accumulation module parallel arrangement between the row, when the load changes, cold accumulation module and air conditioner between the row respond simultaneously, to airtight rack inside local hot spot, cold accumulation module is cooled down rapidly, makes up the cold supply slow defect of response of air conditioner between the row, effectively maintains airtight rack inside temperature invariable, temperature field is even, has avoided the emergence of local hot spot, guarantees the continuous high efficiency steady operation of server, effectively reduces data center running cost and fault incidence.
Drawings
FIG. 1 is a schematic diagram of a cold-supplementing device for a data center using cold-storage adjustment according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cold accumulation module according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a disclosed cold storage module according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection structure of an inter-column air conditioner and a cold storage module according to an embodiment of the present invention;
wherein: the system comprises a 1-closed cabinet, a 2-server, a 3-inter-column air conditioner, a 4-cold storage module, 301-heat exchange coils, 401-cold storage cavities, 402-cold storage pipelines, 403-through air passages, 404-air flow driving units and 4021-U-shaped coils.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the detailed description below, in order to make the objects, technical solutions and advantages of the present invention more clear and distinct. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the matters related to the present invention are shown in the accompanying drawings.
Example 1
The embodiment provides a data center cold supplementing device adjusted by utilizing cold accumulation, through adding a cold accumulation module 4 in a closed cabinet 1, an inter-column air conditioner 3 and the cold accumulation module 4 are arranged in parallel, when a load changes, the cold accumulation module 4 and the inter-column air conditioner 3 respond simultaneously, and aiming at local hot spots in the closed cabinet 1, the cold accumulation module 4 rapidly discharges cold, the defect of slow cold supply response of the inter-column air conditioner 3 is overcome, the internal temperature of the closed cabinet 1 is effectively maintained constant, the temperature field is uniform, the occurrence of the local hot spots is avoided, the continuous high-efficiency stable operation of a server 2 is ensured, and the operation cost and the failure occurrence rate of the data center are effectively reduced.
As shown in fig. 1, the cold compensating device comprises a closed cabinet 1, a server 2 and an inter-column air conditioner 3, wherein the server 2 and the inter-column air conditioner 3 are arranged in the closed cabinet 1, at least one cold storage module 4 is further arranged in the closed cabinet 1, the cold storage module 4 comprises a closed cold storage cavity 401, a cold storage pipeline 402 which is partially embedded into the cold storage cavity 401, and a penetrating air passage 403 which is arranged on the surface of the cold storage cavity 401, an air flow driving unit 404 is arranged on one side of the penetrating air passage 403, the cold storage cavity 401 stores cold storage medium, the cold storage medium is in contact with the cold storage pipeline 402, and the cold storage pipeline 402 is connected with a heat exchange coil 301 of the inter-column air conditioner 3 in parallel.
In this embodiment, after the airflow driving unit 404 is started, positive pressure airflow enters from one side of the through air duct 403 and is ejected from the other side of the through air duct 403, heat carried by the positive pressure airflow in the process is absorbed by the low-temperature surface of the cold storage cavity 401, the temperature of the air is rapidly reduced, and the temperature inside the closed cabinet 1 is effectively maintained constant without waiting for the response of the refrigerating unit.
In an alternative solution, the air flow driving unit 404 may select a cooling fan, where the cooling fan may be directly installed on the cold storage cavity 401, and the fan blade may just face the through air duct 403, or may be installed on an inner wall of the closed cabinet 1, or may be installed on an outer wall of the inter-column air conditioner 3, where the number of cooling fans is not limited, and may also be selected to correspond to the through air duct 403 one by one.
In order to improve the heat exchange efficiency of the through air passages 403, in one preferred embodiment, a plurality of mutually parallel through air passages 403 are uniformly distributed on the surface of the cold accumulation cavity 401, and the positive pressure air flow output by one air flow driving unit 404 can pass through a plurality of through air passages 403 at one time.
In this embodiment, a portion of the cold accumulation tube 402 enters the cold accumulation cavity 401 to serve as a medium for cooling the cold accumulation medium, so as to facilitate tube distribution, increase the contact area between the cold accumulation tube 402 and the cold accumulation medium, and improve the refrigeration effect, as shown in fig. 3 and 4, a portion of the cold accumulation tube 402 is bent into a U-shaped coil 4021, the U-shaped coil 4021 is installed inside the cold accumulation cavity 401, an input end of the U-shaped coil 4021 is connected in parallel with an input end of the heat exchange coil 301, and an output end of the U-shaped coil is connected in parallel with an output end of the heat exchange coil 301.
Since there may be a plurality of through air passages 403, in order to accelerate the cooling effect of the cold storage medium, the U-shaped coil 4021 should also be provided with a corresponding number of through air passages 403, which are installed inside the cold storage cavity 401 and located between every two through air passages 403.
The cold accumulation module 4 and the inter-column air conditioner 3 both provide cold by the same refrigerating unit, and the refrigerating unit comprises but is not limited to a refrigerating host refrigerating water circulation cold supply mode, an electric card refrigerating mode, a semiconductor refrigerating mode and the like.
Alternatively, the cold accumulation chamber 401 is detachably installed at the top of the inter-column air conditioner 3.
Furthermore, the matched cooling capacity of the inter-column air conditioner 3 is 1.1-1.2 times of the full-load heating capacity of the server 2, and the matched cooling capacity of the cold storage module 4 is 0.15-0.2 times of the full-load heating capacity of the server 2.
Furthermore, the cold storage medium is a phase change material, and the phase change point of the phase change material is 20-25 ℃.
Further, the cooling duration of the cold accumulation module 4 is 10-20 minutes.
Assuming that 10 single servers 2 with 450W full-load heating power are placed in the closed cabinet 1, the cooling capacity of the inter-column air conditioner 3 at least meets 4.5KW, and then the cooling capacity of the cooling module 4 at least meets 0.9KW. Under normal working conditions, the load rate of the interior of the closed cabinet 1 is 70%, the circulating air supply temperature of the interior of the cabinet is 23 ℃, the return air temperature is 35 ℃, when the load rate of the interior of the cabinet is suddenly increased to 90%, 10 minutes are needed for readjusting the air supply temperature to 23 ℃ in the interior of the closed cabinet 1 without adopting the cold storage module 4, and the time for readjusting the air supply temperature to 23 ℃ in the interior of the closed cabinet 1 with adopting the cold storage module 4 is shortened to 1 minute, so that the adjusting time is obviously shortened, and the effect is obvious.
Example two
The embodiment provides a data center cold supplementing method using cold storage adjustment, which is used for the cold supplementing device in the first embodiment, and comprises the following steps:
when the temperature of the air outlet of the server 2 is greater than or equal to the lower limit value and less than or equal to the upper limit value, the air flow driving unit 404 is turned off, and the cooling capacity of the inter-row air conditioner 3 is maintained at the original level;
when the temperature of the air outlet of the server 2 is less than the lower limit value, the air flow driving unit 404 is turned off, and the cooling capacity of the inter-row air conditioner 3 is reduced;
when the temperature of the air outlet of the server 2 is greater than the upper limit value, the air flow driving unit 404 is started to increase the cooling capacity of the inter-row air conditioner 3.
Taking the set value K as a reference, setting the set value K to be 30-37 ℃, setting the lower limit value to be K-1 ℃ and setting the upper limit value to be K+1 ℃.
Specifically, the air outlet of the server 2 is provided with a temperature sensor (not shown in the figure) for detecting the temperature of the air outlet of the server 2 in real time, the detected value provided by the temperature sensor is taken as an adjustment condition, the detected value is transmitted to the control module after being obtained, the control module compares the detected value with three judgment conditions one by one, if any one judgment condition is met, the air flow driving unit 404 is controlled to be started/closed according to a preset program, the cooling capacity of the inter-column air conditioner 3 is adjusted, the floating and the falling of the cooling capacity of the inter-column air conditioner 3 can be adjusted according to the experience of a technician, and the matching cooling capacity of the inter-column air conditioner 3 can also be referred to.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an utilize cold-storage regulation's data center cold filling device, includes airtight rack, and set up in the inside server of airtight rack and inter-column air conditioner, its characterized in that, still install at least one cold-storage module in the airtight rack, cold-storage module includes airtight cold-storage cavity, part embedding cold-storage pipeline in the cold-storage cavity is inside, and set up the through air flue in cold-storage cavity surface, one side of through air flue is provided with the air current drive unit, the cold-storage cavity stores cold-storage medium, cold-storage medium with cold-storage pipeline contact, and cold-storage pipeline with inter-column air conditioner's heat exchange coil connects in parallel;
the plurality of mutually parallel penetrating air passages are uniformly distributed on the surface of the cold accumulation cavity;
the cold accumulation pipeline is characterized in that part of the cold accumulation pipeline is bent to form a U-shaped coil, the U-shaped coil is arranged in the cold accumulation cavity, the input end of the U-shaped coil is connected with the input end of the heat exchange coil in parallel, and the output end of the U-shaped coil is connected with the output end of the heat exchange coil in parallel.
2. The data center cold-supplementing apparatus using cold storage regulation of claim 1, wherein said cold storage module and said inter-column air conditioner both provide cold from the same refrigeration unit.
3. The data center cold-fill apparatus utilizing cold storage conditioning of claim 1, wherein said cold storage chamber is mounted on top of said inter-row air conditioner.
4. The data center cold-supplementing apparatus using cold storage regulation according to claim 1, wherein the matched cooling capacity of the inter-column air conditioner is 1.1 to 1.2 times of the full-load heating capacity of the server, and the matched cooling capacity of the cold storage module is 0.15 to 0.2 times of the full-load heating capacity of the server.
5. The data center cold-supplementing apparatus using cold storage regulation of claim 1, wherein the cold storage medium is a phase change material, and the phase change point of the phase change material is 20-25 ℃.
6. The data center cold-supplementing apparatus using cold storage regulation of claim 1, wherein the cold-storage duration of the cold storage module is 10 to 20 minutes.
7. A method of supplementing cold to a data center using cold storage regulation, for a cold supplementing device according to any one of claims 1 to 6, comprising the steps of:
when the temperature of the air outlet of the server is greater than or equal to the lower limit value and less than or equal to the upper limit value, the air flow driving unit is closed, and the cooling capacity of the inter-row air conditioner is maintained at the original level;
when the temperature of the air outlet of the server is smaller than the lower limit value, the air flow driving unit is closed, and the cooling capacity of the inter-row air conditioner is reduced;
and when the temperature of the air outlet of the server is greater than the upper limit value, starting the air flow driving unit to increase the cooling capacity of the inter-row air conditioner.
8. The method for supplementing cold in a data center using cold storage regulation according to claim 7, wherein the set value K is set to 30 to 37 ℃, the lower limit value is set to K-1 ℃, and the upper limit value is set to k+1 ℃ based on the set value K.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211124233.3A CN115507473B (en) | 2022-09-15 | 2022-09-15 | Data center cold supplementing device and method adjusted by cold accumulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211124233.3A CN115507473B (en) | 2022-09-15 | 2022-09-15 | Data center cold supplementing device and method adjusted by cold accumulation |
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| CN115507473A CN115507473A (en) | 2022-12-23 |
| CN115507473B true CN115507473B (en) | 2024-03-08 |
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| CN110425668B (en) * | 2019-08-08 | 2021-03-16 | 长沙理工大学 | Machine room heat pipe air conditioning system with emergency refrigeration function and control method thereof |
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2022
- 2022-09-15 CN CN202211124233.3A patent/CN115507473B/en active Active
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| CN102914003A (en) * | 2011-08-05 | 2013-02-06 | 北京中瑞森新能源科技有限公司 | Computer room air-conditioning system performing combined operation of phase change thermal energy storage, natural cold source and artificial cold source |
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