CN210202326U - Modularized air supply air-conditioning system for data center based on indirect evaporation natural cooling - Google Patents
Modularized air supply air-conditioning system for data center based on indirect evaporation natural cooling Download PDFInfo
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- CN210202326U CN210202326U CN201920810517.5U CN201920810517U CN210202326U CN 210202326 U CN210202326 U CN 210202326U CN 201920810517 U CN201920810517 U CN 201920810517U CN 210202326 U CN210202326 U CN 210202326U
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Abstract
The utility model discloses a modularization air supply air conditioning system for data center based on indirect evaporation natural cooling, including indirect evaporation natural cooling closed cooling tower and computer lab, the top level is provided with the return air passageway in the computer lab, is provided with a plurality of return air inlet and a plurality of supply-air outlet on the lateral wall of return air passageway bottom, and the return air passageway passes through return air inlet and supply-air outlet and computer lab inner space intercommunication, still is provided with a plurality of fan coil in the return air passageway, and a plurality of fan coil all is connected with indirect evaporation natural cooling closed cooling tower through supplying the return water pipe network. The utility model discloses a modularization air supply air conditioning system realizes the make full use of nature cold source, effectively eliminates the local focus that the rack formed, reduces data center's energy consumption.
Description
Technical Field
The utility model belongs to the technical field of air conditioning system, concretely relates to modularization air supply air conditioning system for data center based on indirect evaporation natural cooling.
Background
In recent years, the information industry in China is rapidly developed, the construction scale of a large-scale data center is rapidly increased, the heat density of a server is continuously increased, the proportion of energy consumption of the data center in energy consumption is continuously increased, and the total electricity consumption of the data center is rapidly increased. The traditional data center construction mode is difficult to meet the social requirements of future sustainable development, so that a refrigeration energy-saving scheme and technology are urgently needed to be improved. Air-cooled precision air-conditioning and centrifugal water-cooled air-conditioning systems adopted in the traditional construction mode of the data center seek the transformation of natural cooling schemes and technologies. In the free cooling mode, the compressor function is replaced in whole or in part by free cooling, thereby reducing or eliminating the compressor power consumption. The compressor is mainly started in part of extremely high-temperature seasons, and the scheme of natural cooling circulation of an air side, a water side or a refrigerant is adopted in the rest of time, so that the refrigeration power consumption of the data center is greatly saved. The traditional air supply mode of the data center has uneven air flow distribution, so that a hot spot is formed on the local part of the cabinet, and certain influence is caused on the data center. Therefore, the technology of the modularized air supply and air conditioning system with evaporative natural cooling is introduced to the data center for application, and the energy consumption can be greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a modularization air supply air conditioning system for data center based on indirect evaporation natural cooling can realize the make full use of nature cold source, effectively eliminates the local focus that the rack formed, reduces data center's energy consumption.
The utility model discloses the technical scheme who adopts is, based on indirect evaporation natural cooling's modularization air conditioning system for data center, including indirect evaporation natural cooling closed cooling tower and computer lab, the top level is provided with the return air passageway in the computer lab, is provided with a plurality of return air inlet and a plurality of supply-air outlet on the lateral wall of return air passageway bottom, and the return air passageway passes through return air inlet and supply-air outlet and computer lab inner space intercommunication, still is provided with a plurality of fan coil in the return air passageway, and a plurality of fan coil all is connected with indirect evaporation natural cooling closed cooling tower through supplying the return water pipe network.
The indirect evaporation natural cooling closed cooling tower comprises an organic group shell, air inlets are formed in two opposite side walls of the unit shell, an indirect evaporation cooling section is arranged in the unit shell and located between two air inlets, a first air filter and a surface air cooler are sequentially arranged between the indirect evaporation cooling section and the air inlet on one corresponding side of the indirect evaporation cooling section according to the flowing direction of air entering, water outlets of the two surface air coolers are connected with the indirect evaporation cooling section through water pipes, and water inlets of the two surface air coolers and the indirect evaporation cooling section are connected with a plurality of fan coils through a water supply return pipe network.
The air-out side of two adjacent server unit modules is oppositely arranged, a heat channel is formed between the air-out sides of the two adjacent server unit modules, and each heat channel is communicated with the air-return channel through an air-return opening; cold channels are formed between every two groups of server cabinets, and each cold channel is communicated with the return air channel through an air supply outlet; and a fan coil is arranged above each air return opening, and the fan coils and the air return openings are arranged in a one-to-one correspondence manner.
The utility model is also characterized in that,
the indirect evaporative cooling section comprises a water distributor, a cooling coil and a water collecting tank which are sequentially arranged from top to bottom, the water distributor is connected with the water collecting tank through a circulating water pipe, a circulating water pump is arranged on the circulating water pipe, a water inlet of the cooling coil is communicated with a water pipe, and a water outlet of the cooling coil is communicated with a water supply and return pipe network.
The water supply and return pipe network comprises water return pipes and a water supply pipe, one end of each water return pipe is connected with two first branch water return pipes, the two first branch water return pipes are respectively connected with water inlets of the two surface coolers, the other end of each water return pipe is connected with a plurality of second branch water return pipes, and the plurality of second branch water return pipes are respectively connected with water outlets of the plurality of fan coils; one end of the water supply pipe is connected with the water outlet of the cooling coil, the other end of the water supply pipe is connected with a plurality of branch water supply pipes, and the branch water supply pipes are respectively connected with the water inlets of the fan coils; the water supply pipe is also provided with a water supply pump.
An air outlet is arranged on the top wall of the unit shell corresponding to the upper part of the water distributor, and a variable frequency exhaust fan is arranged in the air outlet.
A return fan is arranged in the return air inlet.
And a second air filter is arranged below the air return fan.
The utility model has the advantages that:
(1) the modularized air supply air conditioning system adopts the server unit module to modularize the server cabinet, so that the server cabinet forms an independent module, each module can independently work and independently cool down, and the modularized air supply air conditioning system is more flexible and convenient in operation and maintenance;
(2) the modularized air supply air conditioning system of the utility model forms a heat channel between the air outlet sides of the two server unit modules in the machine room, the upper part of the heat channel is provided with the air filter and the air return inlet, the cleanliness in the machine room is improved, and the air conditioning system adopts a full return air mode without introducing fresh air, thereby preventing dust and pollutants in outdoor air from entering the machine room and damaging electronic equipment;
(3) the modularized air supply air conditioning system of the utility model can use different modes according to outdoor meteorological conditions in different seasons, and the indirect evaporation natural cooling closed cooling tower runs under dry working condition in winter without spraying water distribution; in a transition season, the indirect evaporation natural cooling closed cooling tower normally operates, a natural cold source can be fully utilized, additional cold supply equipment is not needed, and the refrigeration energy consumption of the data center is reduced;
(4) the utility model discloses a modularization air supply air conditioning system, in hot summer, when indirect evaporation natural cooling closed cooling tower can not satisfy the refrigerating output demand of data computer lab, open mechanical refrigeration and do the assistance, can keep the demand of data computer lab continuous cooling throughout the year in this way;
(5) the utility model discloses a modularization air supply air conditioning system has added air filter section and surface cooler in the both sides air inlet department of indirect evaporation natural cooling closed cooling tower, filters outdoor new trend and precooling, has improved the cooling efficiency of indirect evaporation natural cooling closed cooling tower.
Drawings
FIG. 1 is a schematic structural view of a modular air supply and conditioning system for a data center based on indirect evaporative natural cooling of the present invention;
fig. 2 is a schematic structural diagram of an indirect evaporation natural cooling closed cooling tower in a modular air supply air conditioning system.
In the figure, 1, an air inlet, 2, a first air filter, 3, a surface cooler, 4, a cooling coil, 5, a water collecting tank, 6, a circulating water pump, 7, a circulating water pipe, 8, a water distributor, 9, a variable frequency exhaust fan, 10, an exhaust outlet, 11, an indirect evaporation natural cooling closed cooling tower, 12, a water return pipe, 13, a water supply pipe, 14, a water supply pump, 15, a machine room, 16, a fan coil, 17, an air return opening, 18, a return fan, 19, a second air filter, 20, a return air channel, 21, an air supply opening, 22, a server unit module, 23, a hot channel, 24, a server cabinet and 25 are water pipes.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses modularization air supply air conditioning system for data center based on indirect evaporation natural cooling, as shown in fig. 1-2, including indirect evaporation natural cooling closed cooling tower 11 and computer lab 15, the top level is provided with return air passageway 20 in the computer lab 15, is provided with a plurality of return air inlet 17 and a plurality of supply-air outlet 21 on the 20 bottom lateral walls of return air passageway, and return air passageway 20 passes through return air inlet 17 and supply- air outlet 21 and 15 inner spaces of computer lab intercommunication, still is provided with a plurality of fan coil 16 in the return air passageway 20, and a plurality of fan coil 16 all is connected with indirect evaporation natural cooling closed cooling tower 11 through supplying the return water pipe network.
The indirect evaporation natural cooling closed cooling tower 11 comprises an organic group shell, air inlets 1 are formed in two opposite side walls of the unit shell, an indirect evaporation cooling section is arranged in the unit shell and located between the two air inlets 1, a first air filter 2 and a surface air cooler 3 are sequentially arranged between the indirect evaporation cooling section and the air inlet 1 on one corresponding side of the indirect evaporation cooling section according to the flowing direction of air entering, water outlets of the two surface air coolers 3 are connected with the indirect evaporation cooling section through water pipes 25, and water inlets of the two surface air coolers 3 and the indirect evaporation cooling section are connected with a plurality of fan coils 16 through a water supply and return pipe network.
The indirect evaporative cooling section comprises a water distributor 8, a cooling coil 4 and a water collecting tank 5 which are sequentially arranged from top to bottom, the water distributor 8 is connected with the water collecting tank 5 through a circulating water pipe 7, a circulating water pump 6 is arranged on the circulating water pipe 7, a water inlet of the cooling coil 4 is communicated with a water pipe 25, a water outlet of the cooling coil 4 is communicated with a water supply and return pipe network, and the water distributor 8 is a nozzle water distributor.
The water supply and return pipe network comprises a water return pipe 12 and a water supply pipe 13, one end of the water return pipe 12 is connected with two first branch water return pipes, the two first branch water return pipes are respectively connected with water inlets of the two surface coolers 3, the other end of the water return pipe 12 is connected with a plurality of second branch water return pipes, and the plurality of second branch water return pipes are respectively connected with water outlets of the plurality of fan coils 16; one end of the water supply pipe 13 is connected with the water outlet of the cooling coil 4, the other end of the water supply pipe 13 is connected with a plurality of branch water supply pipes, and the plurality of branch water supply pipes are respectively connected with the water inlets of the plurality of fan coils 16; a water supply pump 14 is also provided on the water supply pipe 13.
An air outlet 10 is arranged on the top wall of the unit shell corresponding to the upper part of the water distributor 8, and a variable frequency exhaust fan 9 is arranged in the air outlet 10.
A plurality of groups of server unit modules are arranged in the machine room 15, the return air channel 20 is arranged above the plurality of groups of server unit modules, each group of server unit modules 22 consists of two server cabinets 24, the air outlet sides of two adjacent server unit modules 22 are oppositely arranged, a heat channel 23 is formed between the air outlet sides of the two adjacent server unit modules 22, and each heat channel 23 is communicated with the return air channel 20 through a return air inlet 17; cold channels are formed between every two groups of server cabinets 24, and each cold channel is communicated with the return air channel 20 through an air supply outlet 21; a fan coil 16 is arranged above each air return opening 17, and the fan coils 16 and the air return openings 17 are arranged in a one-to-one correspondence manner, so that circulation is formed.
A return fan 18 is arranged in the return air inlet 17.
A second air filter 19 is arranged below the air return fan 18.
The utility model discloses a modularization air supply air conditioning system working process specifically as follows:
the working process of the indirect evaporation natural cooling closed cooling tower comprises the following steps:
(1) winter operation mode: in chilly winter, outdoor ambient temperature is far less than indoor computer lab temperature, only need indirect evaporation natural cooling closed cooling tower 11 just can satisfy the cooling demand in the computer lab 15, because outdoor temperature is low excessively, indirect evaporation natural cooling closed cooling tower 11 does the operating mode and moves, so indirect evaporation natural cooling closed cooling tower 11's circulating water pump 6 closes, water-locator 8 is no longer spray water, only need frequency conversion exhaust fan 9 work, just can make outdoor natural cold wind and cooling coil 4 carry out indirect natural cooling, the cold water that will indirect evaporation natural cooling closed cooling tower 11 was prepared passes through supply pipe 13 through supply pump 14 and carries computer lab 15 terminal fan coil 16 of air conditioner, take away the heat in the computer lab 15 through this kind of indirect natural cooling technique, in order to reach the purpose of cooling, realize the 100% natural cooling of computer lab 15.
(2) Transition season operation mode: in spring and autumn transition seasons, the outdoor environment temperature is lower than the temperature of an indoor machine room 15 for a long time, outdoor low-temperature air is taken away as a cold source through an indirect evaporation natural cooling closed cooling tower 11, at the moment, the indirect evaporation natural cooling closed cooling tower 11 operates under a wet working condition, the outdoor air flows through an air filtering section 2 through an air inlet 1 to be subjected to air filtration, then is pre-cooled through a surface air cooler 3, the pre-cooled air flows through a cooling coil 4 and is subjected to indirect evaporation cooling with a water film formed by spraying water on the surface of the cooling coil 4 by a water distributor 8, cooling water in the cooling coil 4 releases heat to the pre-cooled air, and then is discharged from an air outlet 10 through a variable frequency exhaust fan 9; meanwhile, the temperature of cooling water in the cooling coil 4 is reduced, cold water prepared by the indirect evaporation natural cooling closed cooling tower 11 is conveyed to a fan coil 16 at the tail end of an air conditioner of a machine room 15 through a water supply pipe 13 by a water supply pump 14, sensible heat exchange is carried out between the cold water and hot return air in the machine room 15, after the cold water in the fan coil 16 is heated, the heated cold water returns to a surface cooler 3 of the indirect evaporation natural cooling closed cooling tower 11 through a water return pipe 12 to pre-cool outdoor air again, and therefore maximum utilization of energy is achieved, and continuous circulation is achieved.
(3) Summer operation mode: the cooling system is the same as the working process in spring and autumn transition seasons when operating in summer, and when the indirect evaporative natural cooling closed cooling tower 11 cannot meet the cooling demand of the machine room 15, mechanical refrigeration is started to assist in order to meet the cooling demand of the machine room 15, so that uninterrupted cooling of the machine room 15 all the year round is realized.
(II) the modularized air supply working process of the machine room:
in the machine room 15, the cold air cooled by the fan coil 16 enters the server unit module through the air supply opening 21 to cool two server cabinets 24 in the server unit module, then the air carrying heat enters the hot channel 23 through the air outlet side of the server unit module, the hot return air is purified through the air filter 19 on the upper part of the hot channel 23, then enters the return air channel 20 through the air return fan 18 and the return air opening 17, and then is subjected to sensible heat exchange with the fan coil 16 in the return air channel 20, the cooled cold air enters the server unit module 22 through the air supply opening 21 again to continue cooling the server cabinets 24, and thus circulation is formed.
Claims (6)
1. The modularized air supply and conditioning system for the data center based on indirect evaporative natural cooling is characterized by comprising an indirect evaporative natural cooling closed cooling tower (11) and a machine room (15), wherein a return air channel (20) is horizontally arranged at the top in the machine room (15), a plurality of return air inlets (17) and a plurality of air supply outlets (21) are formed in the side wall of the bottom of the return air channel (20), the return air channel (20) is communicated with the inner space of the machine room (15) through the return air inlets (17) and the air supply outlets (21), a plurality of fan coils (16) are further arranged in the return air channel (20), and the fan coils (16) are all connected with the indirect evaporative natural cooling closed cooling tower (11) through a water supply and return pipe network;
the indirect evaporative natural cooling closed cooling tower (11) comprises an organic unit shell, wherein air inlets (1) are formed in two opposite side walls of the unit shell, an indirect evaporative cooling section is arranged in the unit shell and is positioned between the two air inlets (1), a first air filter (2) and a surface air cooler (3) are sequentially arranged between the indirect evaporative cooling section and the air inlet (1) on the corresponding side of the indirect evaporative cooling section according to the flowing direction of air after entering, water outlets of the two surface air coolers (3) are connected with the indirect evaporative cooling section through water pipes (25), and water inlets of the two surface air coolers (3) and the indirect evaporative cooling section are connected with a plurality of fan coils (16) through a water supply and return pipe network;
a plurality of groups of server unit modules are arranged in the machine room (15), the return air channel (20) is arranged above the plurality of groups of server unit modules, each group of server unit modules (22) consists of two server cabinets (24), the air outlet sides of two adjacent server unit modules (22) are oppositely arranged, a heat channel (23) is formed between the air outlet sides of the two adjacent server unit modules (22), and each heat channel (23) is communicated with the return air channel (20) through a return air inlet (17); cold channels are formed between every two groups of server cabinets (24), and each cold channel is communicated with the air return channel (20) through an air supply outlet (21); the fan coil (16) is arranged above each air return opening (17), and the fan coils (16) and the air return openings (17) are arranged in a one-to-one correspondence mode.
2. The modularization air supply and air conditioning system for the data center based on indirect evaporative natural cooling of claim 1, characterized in that, indirect evaporative cooling section is including water distributor (8), cooling coil (4) and header tank (5) that set gradually from top to bottom, water distributor (8) are connected with header tank (5) through circulating water pipe (7), be provided with circulating water pump (6) on circulating water pipe (7), the water inlet and the water pipe (25) intercommunication of cooling coil (4), the delivery port and the confession return water pipe network intercommunication of cooling coil (4).
3. The modular air supply and air conditioning system for the data center based on indirect evaporative natural cooling as claimed in claim 2, wherein the water supply and return pipe network comprises a water return pipe (12) and a water supply pipe (13), one end of the water return pipe (12) is connected with two first branch water return pipes, the two first branch water return pipes are respectively connected with water inlets of the two surface air coolers (3), the other end of the water return pipe (12) is connected with a plurality of second branch water return pipes, and the plurality of second branch water return pipes are respectively connected with water outlets of the plurality of fan coils (16); one end of the water supply pipe (13) is connected with a water outlet of the cooling coil (4), the other end of the water supply pipe (13) is connected with a plurality of branch water supply pipes, and the branch water supply pipes are respectively connected with water inlets of the fan coils (16); a water supply pump (14) is also arranged on the water supply pipe (13).
4. The modular air supply and conditioning system for the data center based on the indirect evaporative natural cooling as claimed in claim 2, wherein an air outlet (10) is arranged on the top wall of the corresponding unit shell above the water distributor (8), and a variable frequency exhaust fan (9) is arranged in the air outlet (10).
5. The modular air supply and air conditioning system for the data center based on the indirect evaporative natural cooling as claimed in claim 1, wherein a return fan (18) is arranged in the return air inlet (17).
6. The modular air supply and air conditioning system for the data center based on the indirect evaporative natural cooling as claimed in claim 5, wherein a second air filter (19) is arranged below the air return fan (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810517.5U CN210202326U (en) | 2019-05-31 | 2019-05-31 | Modularized air supply air-conditioning system for data center based on indirect evaporation natural cooling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920810517.5U CN210202326U (en) | 2019-05-31 | 2019-05-31 | Modularized air supply air-conditioning system for data center based on indirect evaporation natural cooling |
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| CN210202326U true CN210202326U (en) | 2020-03-27 |
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| CN201920810517.5U Expired - Fee Related CN210202326U (en) | 2019-05-31 | 2019-05-31 | Modularized air supply air-conditioning system for data center based on indirect evaporation natural cooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115397216A (en) * | 2022-09-16 | 2022-11-25 | 中国矿业大学 | Edge data center based on ground source heat pump and utility tunnel utilization |
-
2019
- 2019-05-31 CN CN201920810517.5U patent/CN210202326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115397216A (en) * | 2022-09-16 | 2022-11-25 | 中国矿业大学 | Edge data center based on ground source heat pump and utility tunnel utilization |
| CN115397216B (en) * | 2022-09-16 | 2024-01-26 | 中国矿业大学 | Edge data center based on utilization of ground source heat pump and underground comprehensive pipe gallery |
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Granted publication date: 20200327 Termination date: 20210531 |