CN214381891U - Evaporative cooling modular water-cooled air conditioning unit for data center - Google Patents
Evaporative cooling modular water-cooled air conditioning unit for data center Download PDFInfo
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- CN214381891U CN214381891U CN202022309177.3U CN202022309177U CN214381891U CN 214381891 U CN214381891 U CN 214381891U CN 202022309177 U CN202022309177 U CN 202022309177U CN 214381891 U CN214381891 U CN 214381891U
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- 238000001816 cooling Methods 0.000 title claims abstract description 115
- 238000004378 air conditioning Methods 0.000 title claims abstract description 33
- 238000001704 evaporation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims abstract description 27
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000002156 mixing Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 6
- 238000010205 computational analysis Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
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Abstract
The utility model discloses an evaporation cooling modularization water-cooling air conditioning unit for data center, its outdoor side includes direct evaporation section, indirect heat transfer section, condensation fan section, and its indoor side includes the fillter section, mixes wind section, indirect heat transfer section, mechanical cooling section, direct evaporation section, air feeder section. The utility model discloses utilize outdoor and indoor temperature difference, according to outdoor air temperature and humidity and air quality condition, IT load and computer lab environmental requirement in the data center computer lab, adopt the multiple mixed cooling mode of air direct evaporation, air indirect heat transfer and mechanical cooling, through computational analysis, satisfy the computer lab environmental requirement under the compound and arbitrary outdoor air condition of full operating mode at arbitrary moment in 8760 hours all the year, realize carrying out the cooling all the year to the data center computer lab; and a natural cold source is fully utilized, and the energy consumption of the data center is effectively reduced.
Description
Technical Field
The utility model relates to a data center's cooling technology, especially a data center that is suitable for all year's use is with compound natural cooling's of full operating mode heat pipe evaporative cooling modularization water-cooled air conditioning unit.
Background
With the rapid development of industries such as global internet, internet of things, big data and cloud computing, a large number of various data centers need to be built in the whole society, one of the characteristics is that the energy consumption is huge, and especially, a large amount of energy is consumed by a refrigeration air conditioner and a cooling system in a machine room environment for satisfying normal operation of IT hardware such as a server of the data center. With the trend of development of the data center industry towards large-scale and ultra-large-scale construction, the energy consumption of the refrigeration air conditioner and the cooling system is larger and larger. In such a background, related technologies and products for reducing energy consumption of data center cooling air conditioning and cooling systems are important. The data center is preferentially located in a climate cold region, and the purpose is to utilize natural cold sources as much as possible and reduce energy consumption. The traditional energy-saving technical measure is that a cooling tower is combined with a plate heat exchanger, and a mechanical refrigeration compressor is closed in winter to realize natural cooling, but the traditional energy-saving technical measure has more defects; although the indirect heat exchange cooling air conditioning unit appearing in recent years achieves certain energy-saving effect, some technical bottlenecks exist. The main points are as follows:
(1) the cooling tower centralized cooling water mode has high complexity, and the construction and deployment are inflexible and do not accord with the trend of data center modularization development.
(2) In cold areas in the north, the phenomenon of icing of a cooling tower easily occurs in winter, so that the cooling system of the data center is out of work, a machine room is heated, and a server is overheated, thereby bringing potential safety hazards.
(3) In order to ensure that the cooling tower is used in winter, an electric tracing measure is adopted, and the energy consumption is increased.
(4) The cooling tower consumes a large amount of water, and wastes water resources.
(5) The indirect heat exchange cooling air conditioning unit has low heat exchange efficiency, large occupied space, limited time and area for utilizing natural cold source and poor energy-saving effect.
(6) The evaporation process of the indirect heat exchange cooling air conditioning unit occurs on the surface of the heat exchange core body, scaling is easily generated when the water quality does not reach the standard, the heat exchange efficiency is reduced, the cooling capacity is reduced, the temperature of a machine room is increased, and a server is overheated, so that potential safety hazards are brought. The cost of treating water quality is high, the workload of operation and maintenance is large, and the operation cost of the data center is increased.
For the reasons, it is urgently needed to develop a new technology, which not only conforms to the modular development trend of the data center, but also utilizes the natural cold source to the maximum extent, effectively improves the energy-saving effect of the existing data center refrigerating air conditioner and cooling system, and widens the application range of evaporative cooling.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the technical problem that to prior art not enough, provide data center with full operating mode natural cooling's heat pipe evaporative cooling modularization water-cooling air conditioning unit.
In order to solve the technical problem, the utility model discloses a be suitable for data center of using throughout the year with full operating mode natural cooling's heat pipe evaporative cooling modularization water-cooled air conditioning unit.
The utility model provides an evaporation cooling modularization water-cooling air conditioning unit for data center which characterized in that: the air conditioning unit comprises an indoor side and an outdoor side, wherein a filtering section, an air mixing section, an indoor part of an indirect heat exchange section, a mechanical cooling section, an indoor part of a direct evaporation section and an air feeder section are sequentially arranged on an indoor side air supply channel, and all the sections are sequentially connected in series; the outdoor exhaust channel at the outdoor side is sequentially provided with a direct evaporation section outdoor part, an indirect heat exchange section outdoor part and a condensing fan section, and all the sections are sequentially connected in series; and an outlet of the air feeder section is communicated with an air supply channel in the data center machine room, and an air return port of the air mixing section is communicated with an air return channel in the data center machine room.
Furthermore, in the above technical scheme, the filter section is composed of a fresh air inlet 10, a fresh air electric regulating valve 11 and an air filter 12, and the above components are sequentially arranged on the air supply channel.
Furthermore, in the above technical scheme, the air mixing section is formed by mixing outdoor fresh air and return air of a data center machine room.
Furthermore, among the above-mentioned technical scheme, mechanical cooling section adopts chilled water coil water-cooling air conditioning system, comprises CW coil 13, and CW coil 13 is located indoor side air supply channel, and the chilled water comes from external cold source, shifts the heat in the data center computer lab to the outside by the CW coil through the chilled water.
Furthermore, in the above technical scheme, the indirect heat exchange section adopts a heat pipe heat exchanger for natural cooling, the heat pipe heat exchanger is composed of a heat pipe evaporator 1 and a heat pipe condenser 2, the heat pipe evaporator 1 is positioned in an indoor side air supply channel, and the heat pipe condenser is positioned in an outdoor side air exhaust channel;
further, in the above technical scheme, the blower section is provided with a blower 6, and the processed low-temperature air is sent into the data center machine room.
Furthermore, in the above technical solution, the direct evaporation section includes an indoor side and an outdoor side, the outdoor side direct evaporation section includes a wet film (4) and a spray device, the spray device includes a water pump (5), a water pan and a nozzle, and the spray head is disposed above the wet film (4); the indoor side direct evaporation section comprises a wet film (4 ') and a spraying device, the spraying device comprises a water pump (5 '), a water receiving disc and a nozzle, and the spraying head is arranged above the wet film (4 ').
Further, in the above technical solution, the condenser section is provided with a condensing fan 3, which is arranged on the mechanical cooling section part of the exhaust channel.
Furthermore, in the technical scheme, the specification and parameters of the equipment related to each functional section can be adjusted according to actual needs, each functional section can be freely combined and flexibly matched according to actual needs, and the positions and directions of the air inlet of the outdoor fresh air inlet and the air outlet and the air inlet of the data center machine room can be adjusted according to actual needs so as to meet different installation positions and conditions and different technical requirements.
The utility model discloses beneficial effect as follows:
(1) the utility model discloses outside freezing water source then can stop using in winter if adopt the cooling tower mode, solved the concentrated water system complexity that traditional cooling tower and the energy-conserving mode that plate heat exchanger combines brought high, winter electric tracing, drawback such as water consumption are big.
(2) The utility model solves the defects of low heat exchange efficiency, easy scaling and the like of the indirect heat exchange cooling air conditioning unit.
(3) The utility model discloses a problem of the flexible deployment and the nimble construction of data center construction has been solved in the modularization installation, saves initial investment and working costs.
(4) The utility model provides a compound operational mode of many indoor air sides: in the direct mode (full fresh air), the mixed mode (mixed air) and the indirect mode (internal circulation), the fresh air can be prevented from entering the room when the outdoor air quality does not reach the standard; and indoor side dry heat exchange mode (air-air), wet heat exchange mode (water-air).
(5) The utility model provides a compound mode of operation of multiple outdoor condensation side: dry heat exchange mode (air-air), wet heat exchange mode (water-air).
(6) The utility model provides a multiple installation: can be installed in sections, can be assembled, disassembled and increased and decreased, and is convenient to maintain.
(7) The utility model discloses utilize outdoor and indoor temperature difference, according to outdoor air temperature and humidity and air quality condition, IT load and computer lab environmental requirement in the data center computer lab, adopt the multiple mixed cooling mode of air direct evaporation, air indirect heat transfer and mechanical cooling, through computational analysis, satisfy the computer lab environmental requirement under the arbitrary outdoor air condition at arbitrary moment in the full operating mode, namely 8760 hours all the year, realize carrying out the cooling all the year to the data center computer lab; and a natural cold source is fully utilized, and the energy consumption of the data center is effectively reduced.
(8) Under the general computer lab environment requirement condition of present data center trade, the utility model discloses can realize that full operating mode is compound all adopt natural cooling's mode (containing complete natural cooling mode and (or) partial natural cooling be natural cooling and mechanical cooling's mixed cooling mode) or complete mechanical cooling mode in 8760 hours all the year round, but greatly reduced data center's refrigeration air conditioner energy consumption and the whole PUE of data center.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
Fig. 1 is a technical schematic diagram of a heat pipe evaporative cooling modular air-cooled air conditioning unit for data center with full-working-condition composite natural cooling. The outdoor side of the air conditioner comprises a direct evaporation section, an indirect heat exchange section and a condensing fan section, and the indoor side of the air conditioner comprises a filtering section, an air mixing section, an indirect heat exchange section, a mechanical cooling section, a direct evaporation section and a blower section.
The modular air conditioning unit comprises a plurality of functional sections, wherein each functional section is arranged in a segmented mode, connected in a segmented mode, installed in a segmented mode and overhauled in a segmented mode, can be delivered integrally or in a split mode, forms a modular air conditioning unit, and can be selected to be combined in a customized mode according to requirements. The indirect heat exchange section comprises a gravity natural circulation efficient heat pipe heat exchanger and a condensing fan, the heat pipe heat exchanger comprises a heat pipe evaporator and a heat pipe condenser, the heat pipe evaporator is located in an indoor side channel, and the heat pipe condenser and the heat pipe condensing fan are located in an outdoor side channel. The mechanical cooling section comprises a Chilled Water (CW) coil water-cooling air-conditioning system, and the CW coil is arranged in an indoor side channel. The direct evaporation section comprises an indoor side and an outdoor side, and respectively comprises a wet film, a water pump, a nozzle and a water collecting tray, wherein the outdoor side wet film is arranged in a channel of outdoor fresh air and a condensation side entering the air conditioning unit and is adjacent to the heat pipe condenser; the indoor side wet film is arranged in an indoor air supply channel between the mechanical cooling section and the air blower section. The water cooling means that a cooling mode of a mechanical cooling section adopts a chilled water Coil (CW) water-cooling air conditioning system.
The utility model discloses in, the filter segment comprises new trend air intake, new trend electrical control valve, air cleaner, and air cleaner can require to select corresponding filtration rank according to outdoor air ambient condition and indoor environment.
The utility model discloses in, the mixed wind section is mixed by the return air of outdoor new trend and data center computer lab, according to outdoor air environment humiture, factors such as the air conditioner cooling load of outdoor air quality and data center computer lab, by outdoor new trend electrical control valve, the return air blast gate of data center computer lab (install on computer lab return air pipeline) adjusts respectively, the proportion and the size of the automatic control new trend volume and the return air volume, with the air supply temperature who reaches the data center computer lab requirement, avoid cold season outdoor air supply temperature low excessively to cause the computer lab dewfall simultaneously, utilize outdoor new trend cold source when outdoor air temperature and outdoor air quality reach standard as far as possible, close new trend electrical control valve when not up to standard, avoid outdoor gaseous pollutants to get into in the data center computer lab environment.
The utility model discloses in, mechanical cooling section adopts freezing water coil pipe (CW) water-cooling air conditioning system, comprises the CW coil pipe, and the CW coil pipe is located indoor side air supply passageway, and the refrigerated water comes from outside cold source, shifts the heat in the data center computer lab to the outside by the CW coil pipe through the refrigerated water.
The utility model discloses in, the high-efficient heat pipe exchanger that indirect heat transfer section adopted gravity natural circulation carries out natural cooling, and this heat pipe exchanger comprises heat pipe evaporator and heat pipe condenser, and its heat pipe evaporator is located indoor side air supply passageway, and the heat pipe condenser is located outdoor side air exhaust passageway, adopts the indirect heat transfer mode of air-air to carry out thermal exchange, shifts the heat in the data center computer lab to the heat pipe condenser by the heat pipe evaporator to take away the heat by the condensing fan. In practical use, the indirect heat exchange section can also adopt other forms of heat exchangers besides heat pipes for heat exchange.
The utility model discloses in, the indoor side and the outdoor side of direct evaporation section all adopt the wet film humidification to carry out natural cooling, set up water pump, nozzle, water collector simultaneously to set up automatic control system, control water spray volume and humidification volume, in order to reach the effect of air precooling, and stop using the direct evaporation section when cold season, air defense with water, in order to freeze.
The utility model discloses in, the air feeder section is equipped with the forced draught blower, sends into the data center computer lab with the low temperature air of processing in.
The utility model discloses in, look outside air temperature and humidity and air quality condition, the IT load in the data center computer lab and computer lab environment require that the quantity of the equipment of confirming each functional section is synthesized and how much and specification size.
The system operating mode shown in this embodiment is as follows:
(1) in cold seasons in winter: the outdoor air temperature is low, the air quality condition reaches the standard, the heat pipe evaporator 1 and the heat pipe condenser 2 are used in a mode of preferentially adopting an indirect heat exchange section to carry out complete natural cooling in cold seasons according to factors such as IT load in a data center machine room and machine room environment requirements after calculation and analysis, and meanwhile, the air mixing box 7, the condensing fan 3 and the air feeder 6 are started to send air meeting the machine room environment requirements into a room. If the outdoor air quality condition does not reach the standard, the fresh air electric air valve 11 is closed, and the air of the data center machine room is subjected to internal circulation. The process belongs to a complete natural cooling mode of air-air indirect heat exchange.
(2) Spring and autumn transition season: when the factors such as the temperature of outdoor air rises and (or) the IT load in a data center machine room increases along with the transition season, and the quality condition of the outdoor air reaches the standard, and the complete natural cooling mode cannot meet the environmental requirement of the machine room, the fresh air electric air valve 11 is additionally started at the same time, the outdoor fresh air and the return air of the machine room are subjected to mixed natural cooling and (or) the wet film 4 and the water pump 5 of the direct evaporation section, the heat pipe condenser 2 in the indirect heat exchange section is subjected to air precooling, and the complete natural cooling mode is still adopted, so that the processed low-temperature air is sent into the machine room; the method can select any one of the natural cooling mode of the mixing of the fresh outdoor air and the return air of the machine room and the natural cooling of the direct evaporation section, and can also select the two modes simultaneously, the selection condition is comprehensively determined according to the temperature and the humidity of the outdoor air, the quality condition of the outdoor air, the IT load in the machine room of the data center, the environmental requirement of the machine room and other factors, and the selection condition is executed by an automatic control system. If the air quality condition does not reach the standard, closing the fresh air electric air valve 11, independently and additionally opening the wet film 4 or (and) 4 'and the water pump 5 or (and) 5' of the direct evaporation section (the indoor side or (and) the outdoor side) for natural cooling, and internally circulating the air of the data center machine room; if the temperature is limited by water quality, water treatment cost and operation and maintenance cost, the wet film 4 or (and) 4 'and the water pump 5 or (and) 5' of the direct evaporation section (indoor side or (and) outdoor side) are closed, the fresh air electric air valve 11 is independently supplemented and opened, and the outdoor fresh air and the machine room return air are mixed and naturally cooled. The process belongs to a combined complete natural cooling mode of air-air indirect natural cooling and water-air direct evaporative natural cooling.
(3) Summer hot season: when the combined complete natural cooling mode cannot meet the environmental requirements of the machine room, the mechanical cooling mode is supplemented and started, and indoor air is cooled by the CW coil in the mechanical cooling section. The process belongs to a mixed cooling mode of air-air indirect natural cooling, water-air direct evaporative natural cooling and mechanical cooling.
(4) Summer hot season: when the mixed cooling mode of natural cooling and mechanical cooling cannot be started to meet the environmental requirement of the machine room, the mechanical cooling mode is started independently, and the indoor air is cooled by the CW coil in the mechanical cooling section. The process belongs to a fully mechanical cooling mode.
(5) Seasonal mode switching: the switching conditions for the complete natural cooling mode, the combined complete natural cooling mode, the mixed mode of natural cooling and mechanical cooling, the complete mechanical cooling mode are: outdoor air temperature and humidity, outdoor air quality, IT load in a data center machine room, machine room environmental parameter requirements, water treatment requirements and the like. And switching is performed by combining automatic control and manual control.
The utility model provides a be suitable for the compound natural cooling's of full operating mode heat pipe evaporative cooling modularization water-cooling air conditioning unit for data center that uses all the year round, the method and the way that specifically realize this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary skilled person in this technical field, does not deviate from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also regard as with moist decorations the utility model discloses a protection scope. All the components not specified in the present embodiment can be realized by the prior art.
Claims (9)
1. The utility model provides an evaporation cooling modularization water-cooling air conditioning unit for data center which characterized in that: the air conditioning unit comprises an indoor side and an outdoor side, wherein a filtering section, an air mixing section, an indoor part of an indirect heat exchange section, a mechanical cooling section, an indoor part of a direct evaporation section and an air feeder section are sequentially arranged on an indoor side air supply channel, and all the sections are sequentially connected in series; the outdoor side air exhaust channel is sequentially provided with a direct evaporation section outdoor part, an indirect heat exchange section outdoor part and a condensing fan section outdoor part, and all the sections are sequentially connected in series; and an outlet of the air feeder section is communicated with an air supply channel in the data center machine room, and an air return port of the air mixing section is communicated with an air return channel in the data center machine room.
2. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: the filter section comprises fresh air intake (10), fresh air electric regulating valve (11), air cleaner (12), and above-mentioned part arranges in proper order on the air supply passageway.
3. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: the air mixing section is formed by mixing outdoor fresh air and return air of a data center machine room.
4. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: mechanical cooling section adopts chilled water coil pipe water-cooling air conditioning system, comprises CW coil pipe (13), and CW coil pipe (13) are located indoor side air supply channel, and the chilled water comes from outside cold source, shifts the heat in the data center computer lab to the outside by the CW coil pipe through the chilled water.
5. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: the indirect heat exchange section adopts a heat pipe heat exchanger for natural cooling, the heat pipe heat exchanger consists of a heat pipe evaporator (1) and a heat pipe condenser (2), the heat pipe evaporator (1) is positioned in an indoor side air supply channel, and the heat pipe condenser is positioned in an outdoor side air exhaust channel.
6. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: and the air feeder section is provided with an air feeder (6) for feeding the processed low-temperature air into the data center machine room.
7. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: the direct evaporation section comprises an indoor side and an outdoor side, the outdoor side direct evaporation section comprises a wet film (4) and a spraying device, the spraying device comprises a water pump (5), a water receiving disc and a nozzle, and the spraying head is arranged above the wet film (4); the indoor side direct evaporation section comprises a wet film (4 ') and a spraying device, the spraying device comprises a water pump (5 '), a water receiving disc and a nozzle, and the spraying head is arranged above the wet film (4 ').
8. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: the condensation fan section is provided with a condensation fan (3) which is arranged in the mechanical cooling section part on the exhaust channel.
9. The evaporative cooling modular water-cooled air conditioning unit for the data center as claimed in claim 1, wherein: the equipment specification and parameters related to each functional section can be adjusted according to actual needs, each functional section can be freely combined and flexibly matched according to the actual needs, and the positions and the directions of the air inlets of outdoor fresh air inlet and exhaust and the air inlets of air supply and return of a data center machine room can be adjusted according to the actual needs so as to meet different installation positions and conditions and different technical requirements.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022309177.3U CN214381891U (en) | 2020-10-16 | 2020-10-16 | Evaporative cooling modular water-cooled air conditioning unit for data center |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022309177.3U CN214381891U (en) | 2020-10-16 | 2020-10-16 | Evaporative cooling modular water-cooled air conditioning unit for data center |
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| CN214381891U true CN214381891U (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899836A (en) * | 2022-11-18 | 2023-04-04 | 青岛海尔空调器有限总公司 | Fresh air conditioning system and control method |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899836A (en) * | 2022-11-18 | 2023-04-04 | 青岛海尔空调器有限总公司 | Fresh air conditioning system and control method |
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