US20140064916A1 - Cooling system and method for data center - Google Patents
Cooling system and method for data center Download PDFInfo
- Publication number
- US20140064916A1 US20140064916A1 US14/013,062 US201314013062A US2014064916A1 US 20140064916 A1 US20140064916 A1 US 20140064916A1 US 201314013062 A US201314013062 A US 201314013062A US 2014064916 A1 US2014064916 A1 US 2014064916A1
- Authority
- US
- United States
- Prior art keywords
- air
- temperature
- conditioner
- guiding fan
- control command
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
Definitions
- the present disclosure relates to a cooling system and a cooling method, more particular to a cooling system and method for a data center.
- a data center includes a plurality of servers to store large amounts of data.
- the servers may generate heat where an internal temperature of the data center may rise due to the heat, which may affect performance of the servers. Therefore, air-conditioners are employed by the data center to cool the servers. However, when the internal temperature of the data center is lower than an external environmental temperature outside of the data center, the air-conditioners may still keep working, thus wasting energy.
- FIG. 1 is a schematic block diagram of an exemplary embodiment of a data center including a cooling system.
- FIG. 2 is a schematic block diagram of the cooling system of FIG. 1 .
- FIG. 3 is a flowchart of one embodiment of a cooling method implemented by the data center of FIG. 1 .
- FIG. 1 is a schematic block diagram of an exemplary embodiment of a data center 10 .
- the data center 10 includes a cooling system 100 (as shown in FIG. 2 ).
- the cooling system 100 includes at least one air-conditioner 40 , a first air-guiding fan 104 , a second air-guiding fan 114 , a first temperature sensor 203 , a second temperature sensor 233 , a control unit 60 , and a plurality of servers 200 .
- the at least one air-conditioner 40 can be installed at any appropriate position within the data center 10 .
- the first air-guiding fan 104 guides internal air of the data center 10 to an external environment.
- the second air-guiding fan 114 guides external air of the external environment into the data center 10 .
- the first and second air-guiding fan 104 , 114 cooperatively define an airflow route in the data center 10 .
- the first temperature sensor 203 senses an interior temperature T 1 of the data center 10 and transmits a first signal corresponding to the interior temperature T 1 to the control unit 60 .
- the second temperature sensor 233 senses an environmental temperature T 2 outside to the data center 10 and transmits a second signal corresponding to the environmental temperature T 2 to the control unit 60 .
- the control unit 60 controls operating states of the air-conditioner 40 , the first air-guiding fan 104 , and the second air-guiding fan 114 according to the interior temperature T 1 and the environmental temperature T 2 .
- FIG. 2 is a schematic block diagram of the cooling system 100 .
- the control unit 60 includes a processor 61 , a driver 63 , an input unit 65 , and a storage 67 .
- Each driver 63 , the input unit 65 , and the storage 67 are electrically connected to the processor 61 .
- the processor 61 is electrically connected to the first temperature sensor 203 and the second temperature sensor 233 .
- the driver 63 is electrically connected to the first air-guiding fan 104 , the second air-guiding fan 114 , and the air-conditioner 40 .
- a plurality of temperature ranges and a plurality of control command groups corresponding to the temperatures ranges are input by a user via the input unit 65 , where each temperature range corresponds to one of the control command groups.
- Each control command group includes a first control command for controlling an operating state of the air-conditioner 40 and a second control command for controlling an operating state of the first and second air-guiding fans 104 , 114 .
- the input unit 65 may include a display (not shown) and a keyboard (not shown). Both the first and second control commands can be different values (e.g., “on” and “off”).
- FIG. 3 is a flowchart of one embodiment of a cooling method implemented by cooling system 10 for cooling the data center 10 .
- the method includes the following steps, but it should be understood that in other embodiments, additional steps may be added, others deleted, and the ordering of the steps may be changed.
- step S 1 the at least one air-conditioner 40 is turned on and works at an initial temperature setting, and different temperature ranges and control command groups corresponding to the interior temperature T 1 and the environmental temperature T 2 are received from a user via the input unit 65 .
- the operating state of each air-conditioner 40 , the first air-guiding fan 104 , and the second air-guiding fan 114 includes a turned-on state and a turned-off state.
- the initial temperature setting is 20° C.
- the processor 61 records the received temperature ranges and corresponding control command groups in the table as shown below.
- Initial temperature setting 20° C.
- step S 2 the first temperature sensor 203 senses the interior temperature T 1 of the data center 10 and transmits the first signal corresponding to the interior temperature T 1 to the processor 61 , and the second temperature sensor 233 senses the environmental temperature T 2 outside to the data center 10 and transmits the second signal corresponding to the environmental temperature T 2 to the processor 61 .
- step S 3 the processor 61 generates a control command group according to the interior temperature T 1 and the environmental temperature T 2 .
- the processor 61 searches the table to obtain the control command group corresponding to the interior temperature T 1 and the environmental temperature T 2 .
- the interior temperature T 1 is 18° C.
- the environmental temperature T 2 is 10° C.
- the processor 61 first determines which temperature ranges that the interior temperature T 1 and the environmental temperature T 2 are respectively within, and then searches the table to obtain the control command group corresponding the temperature range.
- Each control command group includes a first control command for controlling the at least one air-conditioner 40 and a second control command for controlling the first and second air-guiding fan 104 , 114 .
- the first control command represents an operating state of the air-conditioner 40 .
- the second control command represents the operating states of the first and the second air-guiding fan 104 , 114 .
- the value of the first control command is “off” which is used to turn off the air-conditioner 40
- the value of the second control command is “on” which is used to turn on the first air-guiding fan and the second guiding fan.
- step S 4 the processor 61 determines whether a present operating state of the air-conditioner 40 matches the first control command and operating states of the first air-guiding fan 104 and second air-guiding fan 114 matches the second control command.
- step S 2 is performed.
- step S 5 is performed.
- the air-conditioner 40 when the air-conditioner 40 is turned-on, and both the first and second air-guiding fans 104 , 114 are turned-off, but the value of the first control command is “off” and the value of the second control command is “on”.
- the state of the air-conditioner 40 is determined to not match the first control command and the states of the first and second air-guiding fans 104 , 114 are determined to not match the second control command. Otherwise, when the air-conditioner 40 is the turned-off, and both the first and second air-guiding fans 104 , 114 are turned-on, but the value of the first control command is “off” and the value of the second control command is “on”.
- the air-conditioner 40 is determined to match the first control command and the states of the first and second air-guiding fans 104 , 114 are determined to match the second control command.
- step S 5 the processor 61 outputs the first control command to the air-conditioner 40 , and outputs the second control command to both the first air-guiding fan 101 and the second air-guiding fan 114 via the driver 63 to switch the operating state of each air-conditioner 40 , the first air-guiding fan 104 , and the second air-guiding fan 114 .
- the processor 61 outputs the first control command to turn off the air-conditioner 40 and outputs the second control command to turn on the first air-guiding fan 104 and the second air-guiding fan 114 via the driver 63 .
- the cooling system turns off the air-conditioner and turns on the first and second air-guiding fans to cool the servers.
- energy consumption of cooling system could be reduced.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Ventilation (AREA)
Abstract
Description
- 1. Technical Field
- The present disclosure relates to a cooling system and a cooling method, more particular to a cooling system and method for a data center.
- 2. Description of Related Art
- A data center includes a plurality of servers to store large amounts of data. The servers may generate heat where an internal temperature of the data center may rise due to the heat, which may affect performance of the servers. Therefore, air-conditioners are employed by the data center to cool the servers. However, when the internal temperature of the data center is lower than an external environmental temperature outside of the data center, the air-conditioners may still keep working, thus wasting energy.
- Therefore, what is needed is a means to overcome the above described shortcoming.
- The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of at least one embodiment. In the drawings, like reference numerals designate corresponding parts throughout the various views.
-
FIG. 1 is a schematic block diagram of an exemplary embodiment of a data center including a cooling system. -
FIG. 2 is a schematic block diagram of the cooling system ofFIG. 1 . -
FIG. 3 is a flowchart of one embodiment of a cooling method implemented by the data center ofFIG. 1 . - Reference will be made to the drawings to describe various embodiments.
-
FIG. 1 is a schematic block diagram of an exemplary embodiment of adata center 10. Thedata center 10 includes a cooling system 100 (as shown inFIG. 2 ). Thecooling system 100 includes at least one air-conditioner 40, a first air-guidingfan 104, a second air-guidingfan 114, afirst temperature sensor 203, asecond temperature sensor 233, acontrol unit 60, and a plurality ofservers 200. The at least one air-conditioner 40 can be installed at any appropriate position within thedata center 10. The first air-guidingfan 104 guides internal air of thedata center 10 to an external environment. The second air-guidingfan 114 guides external air of the external environment into thedata center 10. The first and second air-guidingfan data center 10. Thefirst temperature sensor 203 senses an interior temperature T1 of thedata center 10 and transmits a first signal corresponding to the interior temperature T1 to thecontrol unit 60. Thesecond temperature sensor 233 senses an environmental temperature T2 outside to thedata center 10 and transmits a second signal corresponding to the environmental temperature T2 to thecontrol unit 60. Thecontrol unit 60 controls operating states of the air-conditioner 40, the first air-guidingfan 104, and the second air-guidingfan 114 according to the interior temperature T1 and the environmental temperature T2. -
FIG. 2 is a schematic block diagram of thecooling system 100. Thecontrol unit 60 includes aprocessor 61, adriver 63, aninput unit 65, and astorage 67. Eachdriver 63, theinput unit 65, and thestorage 67 are electrically connected to theprocessor 61. Theprocessor 61 is electrically connected to thefirst temperature sensor 203 and thesecond temperature sensor 233. Thedriver 63 is electrically connected to the first air-guidingfan 104, the second air-guidingfan 114, and the air-conditioner 40. A plurality of temperature ranges and a plurality of control command groups corresponding to the temperatures ranges are input by a user via theinput unit 65, where each temperature range corresponds to one of the control command groups. The temperature ranges and the control command groups are recorded in a table prestored in thestorage 67. Each control command group includes a first control command for controlling an operating state of the air-conditioner 40 and a second control command for controlling an operating state of the first and second air-guidingfans input unit 65 may include a display (not shown) and a keyboard (not shown). Both the first and second control commands can be different values (e.g., “on” and “off”). -
FIG. 3 is a flowchart of one embodiment of a cooling method implemented bycooling system 10 for cooling thedata center 10. The method includes the following steps, but it should be understood that in other embodiments, additional steps may be added, others deleted, and the ordering of the steps may be changed. - In step S1, the at least one air-
conditioner 40 is turned on and works at an initial temperature setting, and different temperature ranges and control command groups corresponding to the interior temperature T1 and the environmental temperature T2 are received from a user via theinput unit 65. The operating state of each air-conditioner 40, the first air-guidingfan 104, and the second air-guidingfan 114 includes a turned-on state and a turned-off state. In the embodiment, the initial temperature setting is 20° C. Theprocessor 61 records the received temperature ranges and corresponding control command groups in the table as shown below. -
TABLE Control command group Interior Environmental First control Second control temperature T1 temperature T2 command command T1 > 20° C. T2 ≧ 20° C. ON OFF 5° C. < T2 < 20° C. ON ON T2 ≦ 5° C. OFF ON T1 ≦ 20° C. T2 ≧ 20° C. ON OFF 5° C. < T2 < 20° C. OFF ON T2 ≦ 5° C. OFF Reduce rotation speed Initial temperature setting = 20° C. - In step S2, the
first temperature sensor 203 senses the interior temperature T1 of thedata center 10 and transmits the first signal corresponding to the interior temperature T1 to theprocessor 61, and thesecond temperature sensor 233 senses the environmental temperature T2 outside to thedata center 10 and transmits the second signal corresponding to the environmental temperature T2 to theprocessor 61. - In step S3, the
processor 61 generates a control command group according to the interior temperature T1 and the environmental temperature T2. In detail, theprocessor 61 searches the table to obtain the control command group corresponding to the interior temperature T1 and the environmental temperature T2. In an example, it is assuming that the interior temperature T1 is 18° C. and the environmental temperature T2 is 10° C. Theprocessor 61 first determines which temperature ranges that the interior temperature T1 and the environmental temperature T2 are respectively within, and then searches the table to obtain the control command group corresponding the temperature range. Each control command group includes a first control command for controlling the at least one air-conditioner 40 and a second control command for controlling the first and second air-guidingfan conditioner 40. The second control command represents the operating states of the first and the second air-guidingfan conditioner 40, and the value of the second control command is “on” which is used to turn on the first air-guiding fan and the second guiding fan. - In step S4, the
processor 61 determines whether a present operating state of the air-conditioner 40 matches the first control command and operating states of the first air-guidingfan 104 and second air-guidingfan 114 matches the second control command When the operating state of the air-conditioner 40 matches the first control command and the operating states of the first and second air-guidingfans conditioner 40 does not match the first control command or the operating states of the first air-guidingfan 104 and second air-guidingfan 114 do not match the second control command, step S5 is performed. In the embodiment, when the air-conditioner 40 is turned-on, and both the first and second air-guidingfans conditioner 40 is determined to not match the first control command and the states of the first and second air-guidingfans conditioner 40 is the turned-off, and both the first and second air-guidingfans conditioner 40 is determined to match the first control command and the states of the first and second air-guidingfans - In step S5, the
processor 61 outputs the first control command to the air-conditioner 40, and outputs the second control command to both the first air-guiding fan 101 and the second air-guidingfan 114 via thedriver 63 to switch the operating state of each air-conditioner 40, the first air-guidingfan 104, and the second air-guidingfan 114. In one example, when the interior temperature T1 is 18° C. and the environmental temperature T2 is 10° C., theprocessor 61 outputs the first control command to turn off the air-conditioner 40 and outputs the second control command to turn on the first air-guidingfan 104 and the second air-guidingfan 114 via thedriver 63. - In summary, when the environmental temperature of the data center is lower than the interior temperature of the data, the cooling system turns off the air-conditioner and turns on the first and second air-guiding fans to cool the servers. Thus, energy consumption of cooling system could be reduced.
- It is to be understood that even though numerous characteristics and advantages of the present embodiments have been set forth in the foregoing description, with details of the structures and functions of the embodiments, the disclosure is illustrative only; and changes may be made in detail, especially in the matters of arrangement of parts within the principles of the embodiments to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210311854.2A CN103629780A (en) | 2012-08-29 | 2012-08-29 | Cooling system and cooling method |
CN2012103118542 | 2012-08-29 |
Publications (1)
Publication Number | Publication Date |
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US20140064916A1 true US20140064916A1 (en) | 2014-03-06 |
Family
ID=50187846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/013,062 Abandoned US20140064916A1 (en) | 2012-08-29 | 2013-08-29 | Cooling system and method for data center |
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US (1) | US20140064916A1 (en) |
JP (1) | JP2014048039A (en) |
CN (1) | CN103629780A (en) |
TW (1) | TW201408960A (en) |
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US20150267684A1 (en) * | 2014-03-21 | 2015-09-24 | General Electric Company | System and method of controlling an electronic component of a wind turbine using contingency communications |
CN107702247A (en) * | 2017-08-04 | 2018-02-16 | 国网浙江海盐县供电公司 | Dispatch the embedded auxiliary heat dissipating system of hall high density small room and radiating mode |
US10271463B2 (en) * | 2016-12-22 | 2019-04-23 | Amazon Technologies, Inc. | Tape library rack module with environmentally isolated interior |
US11076509B2 (en) | 2017-01-24 | 2021-07-27 | The Research Foundation for the State University | Control systems and prediction methods for it cooling performance in containment |
EP3863390A1 (en) * | 2020-02-07 | 2021-08-11 | Schneider Electric IT Corporation | Selective rack cooling based on external temperature |
CN115296394A (en) * | 2022-09-28 | 2022-11-04 | 深圳市兴晟图信息技术有限公司 | Uninterruptible power supply apparatus |
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US10271463B2 (en) * | 2016-12-22 | 2019-04-23 | Amazon Technologies, Inc. | Tape library rack module with environmentally isolated interior |
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US11076509B2 (en) | 2017-01-24 | 2021-07-27 | The Research Foundation for the State University | Control systems and prediction methods for it cooling performance in containment |
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CN107702247A (en) * | 2017-08-04 | 2018-02-16 | 国网浙江海盐县供电公司 | Dispatch the embedded auxiliary heat dissipating system of hall high density small room and radiating mode |
EP3863390A1 (en) * | 2020-02-07 | 2021-08-11 | Schneider Electric IT Corporation | Selective rack cooling based on external temperature |
CN115296394A (en) * | 2022-09-28 | 2022-11-04 | 深圳市兴晟图信息技术有限公司 | Uninterruptible power supply apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP2014048039A (en) | 2014-03-17 |
TW201408960A (en) | 2014-03-01 |
CN103629780A (en) | 2014-03-12 |
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