CN101815423B - Method and device for cooling machine cabinet - Google Patents

Method and device for cooling machine cabinet Download PDF

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Publication number
CN101815423B
CN101815423B CN2010100338876A CN201010033887A CN101815423B CN 101815423 B CN101815423 B CN 101815423B CN 2010100338876 A CN2010100338876 A CN 2010100338876A CN 201010033887 A CN201010033887 A CN 201010033887A CN 101815423 B CN101815423 B CN 101815423B
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CN
China
Prior art keywords
rack
cooling
chilled water
machine cabinet
transported
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CN2010100338876A
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Chinese (zh)
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CN101815423A (en
Inventor
亓瑞启
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浪潮(北京)电子信息产业有限公司
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Priority to CN2010100338876A priority Critical patent/CN101815423B/en
Publication of CN101815423A publication Critical patent/CN101815423A/en
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Publication of CN101815423B publication Critical patent/CN101815423B/en

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Abstract

The invention provides a method for cooling a machine cabinet, which comprises the following steps: injecting cold air into a machine cabinet from the lower part of the machine cabinet; delivering the cold air bottom-up in the machine cabinet to cool heating components in the machine cabinet; discharging hot air with high temperature after heat exchange from the upper part of the machine cabinet; cooling the discharged hot air; and injecting the cold air generated through cooling the hot air into the machine cabinet from the lower part of the machine cabinet, and cyclically cooling the machine cabinet. The invention also provides a device for cooling the machine cabinet, which comprises a machine cabinet which is provided with a hot air outlet on the upper part and a cold air inlet on the lower part, a blowing unit which is used for delivering the cold air injected from the cold air inlet bottom-up from the lower part of the machine cabinet, and a liquid cooling unit which is used for cooling the hot air discharged from the hot air outlet and injecting the cold air into the machine cabinet from the cold air inlet. The invention adopts the features that cold air subsidises and hot air rises based on the water cooling mode, and organically combines vertical cooling and water cooling, thereby effectively improving the cooling effect.

Description

A kind of cooling machine cabinet method and device

Technical field

The present invention relates to a kind of cooling machine cabinet method and device.

Background technology

At present, to the extensive use of blade server, high heat density heat dissipation problem has been to need problem demanding prompt solution, and when the inner caloric value of rack surpassed 20KW, traditional air cooling way can't satisfy the heat radiation requirement of system.

To the high heat density problem of machine room, many manufacturers have proposed corresponding solution, by means of water-cooling pattern the high density group system are dispelled the heat at present, and these modes have obtained comparatively ideal results in actual application.

But present used water-cooling pattern, the mode of most employing levels air-supplies, this kind type of cooling; Wind direction can not guarantee strict level when blowing to server, because what advance at the server front end is cold air, and along with air-flow flows into to server back end; Air-flow is because of the continuous rising along with temperature; And extend to the top, cause endless form can not guarantee strict level, make radiating effect descend.

Summary of the invention

The technical problem that the present invention will solve provides a kind of cooling machine cabinet method and the device that can realize efficiently radiates heat.

In order to address the above problem, the invention provides a kind of cooling machine cabinet method, comprise the steps:

(1) cold air is imported rack from the rack bottom;

(2) cold air is carried in rack from bottom to top, and heater element in the rack is carried out cooling heat dissipation;

(3) the hot-air slave after will passing through heat exchange and heating up cashier's office in a shop portion discharge;

(4) hot-air of discharging is cooled off;

(5) cooled hot-air becomes cold air, imports rack again from the rack bottom, thereby said rack is carried out cycle heat radiation.

The present invention also provides a kind of cooling machine cabinet device, comprising:

Rack, the top of rack is provided with hot-blast outlet, and the bottom of rack is provided with cold air inlet;

The blowing unit; To carry from bottom to top by said rack bottom by the cold wind of said cold air inlet input; Said cold wind carries out cooling heat dissipation to the heater element that is installed in the said rack in course of conveying from lower to upper, discharged by said hot-blast outlet through the hot-air after the heat exchange;

Liquid cooling unit will be cooled off by the hot-air that said hot-blast outlet is discharged, and cooled cold air is input in the said rack by said cold air inlet.

Further, said blowing unit is the fans that is arranged in the said rack.

Further, said liquid cooling unit comprises heat exchanger.

Further, also comprise outdoor chilled water unit, said heat exchanger provides the chilled water of the said hot-air of cooling through this outdoor chilled water unit.

Further, said external outdoor chilled water unit comprises:

The backwater trunk line is transported to evaporator with the chilled water that heats up in the said liquid cooling unit;

Evaporator, the chilled water of the intensification that said water return pipeline is transported carries out heat exchange, and is transported to compressor;

Compressor receives the chilled water after the heat exchange that said evaporator transports, and is transported to condenser after the compression;

Condenser, chilled water and natural environment that said compressor is transported carry out heat exchange, and are transported to cooling tower;

Cooling tower is stored and additional chilled water, and required chilled water is transported to said condenser;

The water inlet trunk line through compression pump, is transported to said liquid cooling unit with chilled water in the said condenser through said evaporator;

Further, also comprise intelligent control unit, said intelligent control unit comprises:

The monitoring subelement through at said rack set inside temperature sensor and humidity sensor, detects said rack internal temperature, humidity, and detected temperature, humidity value is sent to controller;

Controller is encoded the temperature that receives, humidity value, and sends to determining device, and sends command instruction according to the result that determining device sends it back to carrying out subelement;

Determining device, temperature, humidity value behind the coding that said controller is sent carry out judgment processing, and result is sent it back said controller;

Carry out subelement, receive the command instruction that said controller sends after, regulate said liquid cooling unit flow of inlet water through control valve, to regulate said rack internal temperature, humidity.

The present invention has following advantage:

1, the present invention sinks by means of cold air on the basis of water-cooling pattern, and the characteristics that hot-air rises will vertically be freezed and water-cooling pattern organically combines, and make radiating effect effectively promoted, and can realize the heat radiation requirement to high-power rack.

2, the present invention adopts intelligent control unit, can realize regulating liquid cooling unit automatically, reaches the purpose of the inner temperature of automatic adjusting rack, humidity, practices thrift manpower, and can realize steadily carrying out of cooling machine cabinet, prevents unexpected the generation.

Description of drawings

Below in conjunction with accompanying drawing execution mode of the present invention is described further:

Fig. 1 shows a kind of cooling machine cabinet apparatus structure of the present invention sketch map;

Fig. 2 shows liquid cooling unit structural representation in a kind of cooling machine cabinet device of the present invention;

Fig. 3 shows external outdoor chilled water set structure sketch map in a kind of cooling machine cabinet device of the present invention;

Fig. 4 shows intelligent control unit structural representation in a kind of cooling machine cabinet device of the present invention.

Embodiment

The invention provides a kind of cooling machine cabinet method, comprise the steps:

(1) cold air is imported rack from the rack bottom;

(2) cold air is carried in rack from bottom to top, and heater element in the rack is carried out cooling heat dissipation;

(3) the hot-air slave after will passing through heat exchange and heating up cashier's office in a shop portion discharge;

(4) hot-air of discharging is cooled off;

(5) cooled hot-air becomes cold air, imports rack again from the rack bottom, thereby said rack is carried out cycle heat radiation.

The characteristic that this method rises by means of hot-air naturally again through in rack indoor design multilayer fans, forms the vertical ventilation passage, this mode cooling effectiveness and energy-conservation aspect all be greatly improved.

Like Fig. 1-shown in Figure 4, the present invention also provides a kind of cooling machine cabinet device, comprising:

Rack 1, the top of rack 1 is provided with hot-blast outlet 12, and the bottom of rack 1 is provided with cold air inlet 11;

Blowing unit 2 will be carried by rack 1 bottom by the cold wind of cold air inlet 11 input from bottom to top, and cold wind carries out cooling heat dissipation to the heater element that is installed in the rack 1 in course of conveying from lower to upper, discharged by hot-blast outlet 12 through the hot-air after the heat exchange;

Liquid cooling unit 3 will be cooled off by the hot-air that hot-blast outlet 12 is discharged, and cooled cold air is input in the rack 1 by cold air inlet 11.

The present invention sinks by means of cold air on the basis of water-cooling pattern, and the characteristics that hot-air rises will vertically be freezed and water-cooling pattern organically combines, and make radiating effect effectively promoted, and can realize the heat radiation requirement to high-power rack.

Among the present invention, blowing unit 2 is for being arranged on the fans 21 in the said rack.The fans 21 that is positioned at cold air inlet 11 places is blower fan, and the thermal current on rack 1 top is drawn in the liquid cooling unit 3 through fans 21.Liquid cooling unit 3 comprises heat exchanger 31.

Liquid cooling unit 3 is placed in rack 1 side; The fans 21 on liquid cooling unit 3 tops is transported to the hot-air on rack 1 top in the liquid cooling unit 3 by hot-blast outlet 12; Behind heat exchanger 31 cooling refrigerations via liquid cooling unit 3 inside; Cold air is got back to bottom in the rack 1 by cold air inlet 11 conveyings again, form closed cycle, to be reached for the effect that heater element cools off in the rack 1.

Heat exchanger 31 inside of liquid cooling unit 3 are full of chilled water; Heat exchanger 31 walls are processed by the brass material of good heat conductivity; The thermal current that rack 1 top is transported by hot-blast outlet 12 is 32 heat exchangers 31 of flowing through along the cooling duct; Heat passes to the wall of heat exchanger 31 from hot-air with heat conducting mode, and the wall of heat exchanger 31 is with the mode of the thermal convection chilled water that heat transferred is inner then.

As shown in Figure 2, liquid cooling unit 3 indoor designs have heat exchanger 31, cooling duct 32, water inlet pipe 33 and outlet pipe 34.The hot blast that is transported by hot-blast outlet 12 is via the cooling duct 32 of liquid cooling unit 3; Be full of the heat exchanger 31 of chilled water around getting into; Air-flow is after the cooling of heat exchanger 31; 32 finally get back to bottom in the rack 1 through cold air inlet 11 conveyings along the cooling duct, form closed cycle, for rack 1 internal unit cools off.

As shown in Figure 3, among the present invention, also comprise outdoor chilled water unit 4, heat exchanger 31 provides the chilled water of heat of cooling air through this outdoor chilled water unit 4.External outdoor chilled water unit 4 comprises:

Backwater trunk line 41 is transported to evaporator 42 with the chilled water that heats up in the liquid cooling unit 3;

Evaporator 42, the chilled water of the intensification that backwater trunk line 41 is transported carries out heat exchange, and is transported to compressor 43;

Compressor 43, the chilled water after the heat exchange that reception evaporator 42 transports is transported to condenser 44 after the compression;

Condenser 44, chilled water and natural environment that compressor 43 is transported carry out heat exchange, and are transported to cooling tower 45;

Cooling tower 45 is stored and additional chilled water, and required chilled water is transported to condenser 44;

Water inlet trunk line 46 through compression pump 47, is transported to liquid cooling unit 3 with chilled water in the condenser 44 through evaporator 42;

As shown in Figure 4, among the present invention, also comprise intelligent control unit 5, intelligent control unit 5 comprises:

Monitoring subelement 51 through at rack set inside temperature sensor 511 and humidity sensor 512, detects rack internal temperature, humidity, and detected temperature, humidity value is sent to controller 52;

Controller 52 is encoded the temperature that receives, humidity value, and sends to determining device 53, and sends command instruction according to the result that determining device 53 sends it back to carrying out subelement 54;

Determining device 53, temperature, humidity value behind the coding that controller 52 is sent carry out judgment processing, and result is sent it back controller 53;

Carry out subelement 54, receive the command instruction that controller 52 sends after, regulate liquid cooling units 3 flow of inlet water through control valve 541, to regulate rack 1 internal temperature, humidity.

The present invention adopts intelligent control unit 5, can realize regulating liquid cooling unit 3 automatically, reaches the purpose of automatic adjusting rack 1 internal temperature, humidity, practices thrift manpower, and can realize steadily carrying out of rack 1 heat radiation, prevents unexpected the generation.

In sum; More than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, therefore; All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (1)

1. a cooling machine cabinet device is characterized in that, comprising:
Rack (1), the top of rack (1) is provided with hot-blast outlet (12), and the bottom of rack (1) is provided with cold air inlet (11);
Blowing unit (2); To carry from bottom to top by said rack (1) bottom by the cold wind of said cold air inlet (11) input; Said cold wind is in course of conveying from lower to upper; Heater element to being installed in the said rack (1) carries out cooling heat dissipation, is discharged by said hot-blast outlet (12) through the hot-air after the heat exchange;
Liquid cooling unit (3) will be cooled off by the hot-air that said hot-blast outlet (12) is discharged, and cooled cold air is input in the said rack (1) by said cold air inlet (11);
Said blowing unit (2) is for being arranged on the multilayer fans (21) in the said rack;
Said liquid cooling unit (3) comprises heat exchanger (31); Also comprise outdoor chilled water unit (4), said heat exchanger (31) provides the chilled water of the said hot-air of cooling through this outdoor chilled water unit (4);
Said external outdoor chilled water unit (4) comprising:
Backwater trunk line (41) is transported to evaporator (42) with the chilled water that heats up in the said liquid cooling unit (3);
Evaporator (42), the chilled water of the intensification that said backwater trunk line (41) is transported carries out heat exchange, and is transported to compressor (43);
Compressor (43) receives the chilled water after the heat exchange that said evaporator (42) transports, and is transported to condenser (44) after the compression;
Condenser (44), chilled water and natural environment that said compressor (43) is transported carry out heat exchange, and are transported to cooling tower (45);
Cooling tower (45) is stored and additional chilled water, and required chilled water is transported to said condenser (44);
Water inlet trunk line (46) is transported to said liquid cooling unit (3) with chilled water in the said condenser (44) through said evaporator (42) through compression pump (47);
Also comprise intelligent control unit (5), said intelligent control unit (5) comprising:
Monitoring subelement (51) through at said rack (1) set inside temperature sensor (511) and humidity sensor (512), detects said rack (1) internal temperature, humidity, and detected temperature, humidity value is sent to controller (52);
Controller (52) is encoded the temperature that receives, humidity value, and sends to determining device (53), and sends command instruction according to the result that determining device (53) sends it back to carrying out subelement (54);
Determining device (53), temperature, humidity value behind the coding that said controller (52) is sent carry out judgment processing, and result is sent it back said controller (52);
Carry out subelement (54), receive the command instruction that said controller (52) sends after, regulate said liquid cooling unit (3) flow of inlet water through control valve (541), to regulate said rack (1) internal temperature, humidity.
CN2010100338876A 2010-01-11 2010-01-11 Method and device for cooling machine cabinet CN101815423B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010100338876A CN101815423B (en) 2010-01-11 2010-01-11 Method and device for cooling machine cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010100338876A CN101815423B (en) 2010-01-11 2010-01-11 Method and device for cooling machine cabinet

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CN101815423A CN101815423A (en) 2010-08-25
CN101815423B true CN101815423B (en) 2012-06-27

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CN102026526B (en) * 2010-10-29 2013-03-06 艾默生网络能源有限公司 Water-cooled machine cabinet and redundancy temperature control method thereof
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CN102256476B (en) * 2011-07-05 2013-09-11 许同永 Textile circuit rectifying cabinet with refrigeration device
CN102331043A (en) * 2011-07-15 2012-01-25 孙晨啸 Low-PUE (Power Usage Effectiveness) high-density energy-saving liquid cooling system for machine room
WO2013069226A1 (en) 2011-11-08 2013-05-16 パナソニック株式会社 Cooling device for cooling rack-type server, and data center provided with same
CN103135666B (en) * 2011-11-24 2017-09-05 鸿富锦精密工业(深圳)有限公司 Container type data center device
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CN104918462B (en) * 2015-06-16 2017-08-01 浙江中烟工业有限责任公司 A kind of cloud computing computer room server cabinet cooling system
CN105704986B (en) * 2016-03-25 2018-07-24 广东申菱环境系统股份有限公司 It is a kind of for return water double loop cooling recirculation system
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CN109496106B (en) * 2018-11-20 2019-12-06 浙江工商大学 Liquid cooling heat dissipation system of machine cabinet

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Effective date of registration: 20201118

Address after: 215100 No. 1 Guanpu Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province

Patentee after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd.

Address before: 100085 Beijing, Haidian District on the road to information on the ground floor, building 2-1, No. 1, C

Patentee before: Inspur (Beijing) Electronic Information Industry Co.,Ltd.

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