WO2016165279A1 - Système de refroidissement naturel côté eau et procédé de refroidissement naturel côté eau - Google Patents

Système de refroidissement naturel côté eau et procédé de refroidissement naturel côté eau Download PDF

Info

Publication number
WO2016165279A1
WO2016165279A1 PCT/CN2015/090018 CN2015090018W WO2016165279A1 WO 2016165279 A1 WO2016165279 A1 WO 2016165279A1 CN 2015090018 W CN2015090018 W CN 2015090018W WO 2016165279 A1 WO2016165279 A1 WO 2016165279A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
cooling
air conditioner
tap water
chilled water
Prior art date
Application number
PCT/CN2015/090018
Other languages
English (en)
Chinese (zh)
Inventor
张炳华
李代程
周天宇
Original Assignee
北京百度网讯科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 北京百度网讯科技有限公司 filed Critical 北京百度网讯科技有限公司
Publication of WO2016165279A1 publication Critical patent/WO2016165279A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/006—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from the drinking or sanitary water supply circuit

Definitions

  • the invention relates to the technical field of data center air conditioning systems, in particular to a water side natural cooling system and a water side natural cooling method.
  • the overall design of the data center is paying more and more attention to the efficiency and cost advantages of the server working at higher ambient temperatures.
  • Information Technology (IT) equipment suppliers are also working to increase the airflow allowed by the server.
  • Temperature limits by continuously optimizing the internal layout of IT equipment and selecting temperature-resistant electronic components, the server has been able to operate normally at an inlet air temperature of 35 ° C or higher.
  • Air conditioning system solutions commonly used in data centers for high-temperature servers generally have two types: a water-side natural cooling system that uses water for cooling, and a wind-side natural cooling system that uses wind for cooling.
  • the water side natural cooling system is composed of a cooling tower, a plate heat exchanger, a cold machine, a circulation pump, an air conditioner terminal, and the like, and uses a cooling tower and a plate heat exchanger to prepare chilled water in winter and spring and autumn, without Turn on the cold machine; turn on the cold mechanism to take chilled water in summer.
  • the cold machine does not operate for most of the year, and only operates in extreme summer conditions.
  • the cold machine has to be configured, and the initial investment and operating costs are high.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent.
  • Another object of the present invention is to provide a water side natural cooling method.
  • a water side natural cooling system includes: an air conditioner end for generating cold air according to chilled water; a cooling tower and a plate heat exchanger for lowering an outdoor ambient temperature than a preset At the temperature, the chilled water delivered to the end of the air conditioner is cooled; the water supply unit is used for the outdoor environment temperature being greater than the preset temperature At the time, the tap water is sent to the end of the air conditioner as chilled water; and the cooling device is configured to cool the tap water when the tap water cannot meet the chilled water temperature requirement, and obtain the chilled water sent to the end of the air conditioner according to the tap water after the temperature drop.
  • the water side natural cooling system proposed by the embodiment of the first aspect of the present invention can reduce cost and save energy and reduce emissions without setting a cold machine.
  • the water side natural cooling method includes: using a natural cooling device or tap water to cool the chilled water delivered to the end of the air conditioner, or conveying the chilled water to the end of the air conditioner;
  • the chilled water produces cold air.
  • the water side natural cooling method proposed by the embodiment of the second aspect of the present invention can reduce cost and save energy and reduce emissions without setting a cold machine.
  • An embodiment of the present invention further provides an electronic device, including: one or more processors; a memory; one or more programs, the one or more programs being stored in the memory when the one or more When the processor is executed: the method according to any of the first aspect of the invention is performed.
  • Embodiments of the present invention also provide a non-volatile computer storage medium having one or more modules stored when the one or more modules are executed: performing the first aspect of the present invention.
  • FIG. 1 is a schematic view showing a first operation mode of a water side natural cooling system according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a second operation mode of a water side natural cooling system according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a third operation mode of a water side natural cooling system according to an embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a water side natural cooling method according to another embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a water side natural cooling system according to an embodiment of the present invention.
  • the system includes an air conditioner end 11, a cooling tower 12, a plate heat exchanger 13, a water supply unit 14, and a cooling device.
  • the cooling device may be an ice storage tank, or the cooling device is a phase change cold storage device.
  • the cooling device is an ice storage tank 15 as an example.
  • the system may further include a variable frequency pump.
  • the variable frequency pump may be respectively disposed in a cooling tower circuit, an air conditioning end circuit, and a tap water supply branch to respectively provide circulation of cooling water, chilled water and tap water. power.
  • the system in this embodiment can be used to correspond to three operating modes, which are respectively referred to as a first operating mode, a second operating mode, and a third operating mode.
  • the three operating modes can be applied to different outdoor ambient temperatures respectively.
  • the chilled water delivered to the end of the air conditioner is cooled in different ways. Referring to Figures 1-3, respectively, the path of water transport in the corresponding operating mode is shown with thick black lines.
  • a variable frequency pump can be installed on the cooling water circuit.
  • the water circulating in the chilled water circuit is chilled water.
  • the equipment passing through the chilled water circuit includes a plate heat exchanger and an air conditioner end.
  • a variable frequency pump can be arranged on the chilled water circuit.
  • cooling water and the chilled water may be separately delivered to the cooling water circuit and the chilled water circuit using different transport paths (not shown in Figure 1).
  • the cooling tower can be specifically an open cooling tower that can dissipate the heat generated by the data center to the atmosphere by evaporative cooling.
  • the end of the air conditioner is water-cooled, and may be in the form of a precision air conditioner, an air conditioner in a row, a combined air conditioner unit, and a water-cooled backboard.
  • the cooling tower can cool the cooling water, and after the cooled cooling water is delivered to the plate heat exchanger, the freezing in the other circuit can be performed.
  • the water is cooled down, and the chilled water after cooling can be sent to the end of the air conditioner.
  • the chilled air is cooled by the cooled water at the end of the air conditioner, and the cold air can cool the IT equipment in the data center.
  • tap water is used as the chilled water at the end of the air conditioner.
  • the tap water can be specifically municipal tap water, as shown in Fig. 2, the water supply unit can be specifically a non-negative pressure water supply unit.
  • the tap water can be sent to the end of the air conditioner by the water supply unit.
  • the tap water is used as the chilled water at the end of the air conditioner.
  • the cold water of the tap water can be used to generate the cold air, and the IT of the data center
  • the device is cooled.
  • the tap water is transported.
  • a variable frequency pump can be installed on the branch to the end of the air conditioner.
  • the tap water outputted from the end of the air conditioner can be sent to the reservoir 16 through the variable frequency pump, and the water in the reservoir 16 can serve as a sink for the cooling tower, thereby In one mode of operation, the water in the cooling water circuit can come from the reservoir 16.
  • the wet bulb temperature is higher during the day, and the second operation mode can be started, and the night wet bulb temperature is lower, and the first operation mode can be started.
  • the above preset temperature can be preset according to actual working conditions, weather and the like.
  • the tap water in the third operation mode, when the temperature of the tap water is greater than the cooling water temperature requirement, as shown in Fig. 3, the tap water can be divided into two branches after passing through the water supply unit, one branch is through the ice storage tank, and the other is through the ice storage tank.
  • the branch road is not through the ice storage tank, and the tap water passing through the ice storage pool is mixed with the tap water that has not passed through the ice storage tank, so that the mixed water temperature satisfies the working condition of the cooling water temperature, and after obtaining the mixed water satisfying the working condition,
  • the mixed water is supplied as cooling water to the end of the air conditioner.
  • Ice is stored in the ice storage pool. After the tap water enters the ice storage pool, the tap water is cooled by the ice. Among them, ice can be produced by an ice maker (not shown).
  • the ice machine can perform ice making at the peak and valley electricity price stage, for example, to complete ice making at night, so that the peak and valley electricity prices can be fully utilized, and the operating cost can be saved.
  • the cooling of the tap water is not limited to the ice storage tank, and other methods can be used for cooling, for example, the tap water storage device is used to cool the tap water, and correspondingly, when the phase change cold storage device is used, the chilled water is used. It is tap water after cooling by the phase change cold storage device.
  • the phase change cold storage device can also cool the tap water in the peak and valley electricity price stage, such as the night, and can use the already prepared ice to cool the tap water during the day.
  • the embodiment minimizes the mechanical refrigeration, fully utilizes the outdoor natural cooling capacity and the cooling capacity of the tap water, and greatly saves the operating energy consumption of the refrigeration system, and is simple and reliable.
  • This embodiment fully utilizes the peak-to-valley electricity price policy to save data center operating costs.
  • FIG. 4 is a schematic flow chart of a water side natural cooling method according to another embodiment of the present invention, the method includes:
  • the chilled water delivered to the end of the air conditioner is cooled by a natural cooling device or tap water, or the chilled water is supplied to the end of the air conditioner.
  • it may include:
  • the cooling tower and the plate heat exchanger are used to cool the chilled water delivered to the end of the air conditioner;
  • the water supply unit is used to transport the tap water as chilled water to the end of the air conditioner;
  • the tap water When the tap water cannot meet the chilled water temperature requirement, the tap water is cooled by a cooling device, and the chilled water sent to the end of the air conditioner is obtained according to the tap water after the cooling.
  • the three operating modes may be divided into a first operating mode, a second operating mode, and a third operating mode.
  • the first operating mode the cooling tower and the plate type are used.
  • the heat exchanger cools the chilled water.
  • the tap water is used as chilled water.
  • the third operation mode the tap water is cooled, and the mixed water of the tap water after cooling and the tap water that has not been cooled is used as the chilled water.
  • the tap water after cooling is used as chilled water.
  • the method further includes:
  • Ice making was carried out using an ice maker, and the prepared and added to the ice storage tank.
  • the tap water After adding ice to the ice storage tank, the tap water can be cooled by ice to reduce the water temperature of the tap water.
  • the ice maker operates in a peak-to-valley price stage, or the phase-change cold storage device performs cooling in a peak-to-valley price stage.
  • the method may further include: storing tap water outputted through the end of the air conditioner to the water reservoir, and using the water storage pool as a water pool of the cooling tower.
  • Resource utilization can be improved by recycling tap water output through the end of the air conditioner.
  • the cooled water after cooling is sent to the end of the air conditioner, or the tap water is sent to the end of the air conditioner as chilled water, or the mixed water of the tap water after cooling and the tap water that is not cooled are transported as chilled water to the end of the air conditioner, and the end of the air conditioner can be Use cold water with low water temperature to generate cold air, and use cold air to cool IT equipment in the data center.
  • the embodiment minimizes the mechanical refrigeration, fully utilizes the outdoor natural cooling capacity and the cooling capacity of the tap water, and greatly saves the operating energy consumption of the refrigeration system, and is simple and reliable.
  • This embodiment fully utilizes the peak-to-valley electricity price policy to save data center operating costs.
  • An embodiment of the present invention further provides an electronic device, including: one or more processors; a memory; one or more programs, the one or more programs being stored in the memory when the one or more When the processor is executed: the method according to any of the first aspect of the invention is performed.
  • Embodiments of the present invention also provide a non-volatile computer storage medium having one or more modules stored when the one or more modules are executed: performing the first aspect of the present invention The method of any of the preceding claims.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Abstract

L'invention concerne un système de refroidissement naturel côté eau, comprenant un terminal de conditionnement d'air (11) conçu pour produire du vent froid à partir de l'eau réfrigérée ; une tour de refroidissement (12) et un échangeur de chaleur à plaques (13) conçus pour refroidir l'eau réfrigérée transportée vers le terminal de conditionnement d'air (11) lorsqu'une température ambiante extérieure est inférieure à une température prédéfinie ; une unité d'alimentation en eau (14) conçue pour introduire de l'eau réfrigérée dans le terminal de conditionnement d'air (11) lorsque la température ambiante extérieure est supérieure à la température prédéfinie, de l'eau courante étant utilisée en tant qu'eau réfrigérée ; et un dispositif de refroidissement conçu pour refroidir l'eau courante lorsque l'eau courante ne peut pas répondre aux exigences de température de l'eau réfrigérée, et pour obtenir, à partir de l'eau courante refroidie, l'eau réfrigérée transportée vers le terminal de conditionnement d'air (11) . L'invention concerne également un procédé de refroidissement naturel côté eau.
PCT/CN2015/090018 2015-04-17 2015-09-18 Système de refroidissement naturel côté eau et procédé de refroidissement naturel côté eau WO2016165279A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510185466.8 2015-04-17
CN201510185466.8A CN104776531A (zh) 2015-04-17 2015-04-17 水侧自然冷却系统和水侧自然冷却方法

Publications (1)

Publication Number Publication Date
WO2016165279A1 true WO2016165279A1 (fr) 2016-10-20

Family

ID=53618154

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/090018 WO2016165279A1 (fr) 2015-04-17 2015-09-18 Système de refroidissement naturel côté eau et procédé de refroidissement naturel côté eau

Country Status (2)

Country Link
CN (1) CN104776531A (fr)
WO (1) WO2016165279A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109996428A (zh) * 2019-04-29 2019-07-09 济南金孚瑞供热工程技术有限公司 一种整装式数据中心制冷装置及其工作方法
CN111918523A (zh) * 2020-06-28 2020-11-10 北京百度网讯科技有限公司 制冷系统、制冷系统的控制方法、设备及存储介质
CN114554798A (zh) * 2022-02-25 2022-05-27 中国能源建设集团浙江省电力设计院有限公司 一种耦合式蒸汽余热制冷的数据中心冷却系统及控制方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776531A (zh) * 2015-04-17 2015-07-15 北京百度网讯科技有限公司 水侧自然冷却系统和水侧自然冷却方法
CN106524360A (zh) * 2016-04-26 2017-03-22 珠海格力电器股份有限公司 冰蓄冷空调系统的控制方法
CN106152341A (zh) * 2016-05-31 2016-11-23 广州泰阳能源科技有限公司 一种双冷源多工况水蓄冷系统
CN106440137A (zh) * 2016-09-30 2017-02-22 郑州云海信息技术有限公司 一种节能空调系统和制冷方法
CN108302673A (zh) * 2018-01-12 2018-07-20 北京百度网讯科技有限公司 冷却系统及冷却方法、装置、计算机设备及存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000337687A (ja) * 1999-05-24 2000-12-08 Hitachi Ltd 空気調和機
CN102042647A (zh) * 2010-10-15 2011-05-04 西安特瑞斯热能技术有限公司 一种供冷节能一体化系统
CN201973815U (zh) * 2011-03-01 2011-09-14 陕西省电力设计院 数据机房空调制冷系统
CN202204090U (zh) * 2011-08-10 2012-04-25 大连盛和自控技术有限公司 冷塔免费制冷节能装置
CN203310027U (zh) * 2013-06-21 2013-11-27 青岛易邦生物工程有限公司 可根据季节转换工作模式的冷水空调系统
CN104776531A (zh) * 2015-04-17 2015-07-15 北京百度网讯科技有限公司 水侧自然冷却系统和水侧自然冷却方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2345885Y (zh) * 1998-09-11 1999-10-27 淄博市临淄镭射技术研究所 自来水空调装置
CN2830985Y (zh) * 2006-03-27 2006-10-25 深圳市中至为科技有限公司 蓄冰空调系统
CN101196327A (zh) * 2007-12-24 2008-06-11 郑国利 自来水做冷却剂室内除湿降温的方法
US9797614B2 (en) * 2010-02-24 2017-10-24 Mitsubishi Electric Corporation Air conditioning system
CN104202950B (zh) * 2014-09-05 2017-01-11 北京百度网讯科技有限公司 一种温度调节装置
CN104390311B (zh) * 2014-11-17 2017-05-10 北京百度网讯科技有限公司 针对高温服务器的空调制冷方法、系统和装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000337687A (ja) * 1999-05-24 2000-12-08 Hitachi Ltd 空気調和機
CN102042647A (zh) * 2010-10-15 2011-05-04 西安特瑞斯热能技术有限公司 一种供冷节能一体化系统
CN201973815U (zh) * 2011-03-01 2011-09-14 陕西省电力设计院 数据机房空调制冷系统
CN202204090U (zh) * 2011-08-10 2012-04-25 大连盛和自控技术有限公司 冷塔免费制冷节能装置
CN203310027U (zh) * 2013-06-21 2013-11-27 青岛易邦生物工程有限公司 可根据季节转换工作模式的冷水空调系统
CN104776531A (zh) * 2015-04-17 2015-07-15 北京百度网讯科技有限公司 水侧自然冷却系统和水侧自然冷却方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109996428A (zh) * 2019-04-29 2019-07-09 济南金孚瑞供热工程技术有限公司 一种整装式数据中心制冷装置及其工作方法
CN111918523A (zh) * 2020-06-28 2020-11-10 北京百度网讯科技有限公司 制冷系统、制冷系统的控制方法、设备及存储介质
CN111918523B (zh) * 2020-06-28 2023-05-09 北京百度网讯科技有限公司 制冷系统、制冷系统的控制方法、设备及存储介质
CN114554798A (zh) * 2022-02-25 2022-05-27 中国能源建设集团浙江省电力设计院有限公司 一种耦合式蒸汽余热制冷的数据中心冷却系统及控制方法

Also Published As

Publication number Publication date
CN104776531A (zh) 2015-07-15

Similar Documents

Publication Publication Date Title
WO2016165279A1 (fr) Système de refroidissement naturel côté eau et procédé de refroidissement naturel côté eau
CN103344023B (zh) 一种电子信息机房耦合式冷却系统
Zhang et al. Integrated system of mechanical refrigeration and thermosyphon for free cooling of data centers
CN102155772B (zh) 复叠式冰蓄冷空调系统和利用该系统对空调供冷的方法
CN203147921U (zh) 冷水机组节能系统
CN106895525A (zh) 一种带热回收/全自然冷却的机房散热系统及其运行方法
CN105188316A (zh) 一种双系统互备机柜热管背板排热系统
CN107182190B (zh) 一种专用于对服务器进行散热的系统
CN203385120U (zh) 一种电子信息机房耦合式冷却系统
CN109163399B (zh) 减少主机运行时间的冷水系统
CN102914003A (zh) 相变蓄能与自然、人工冷源联合运行的机房空调系统
CN203721847U (zh) 一种基于电动汽车热泵空调系统的电池组热管理系统
CN112665113A (zh) 一种制冷系统防冻控制方法、装置及制冷系统
CN205596503U (zh) 一种用于数据中心的自然冷却系统
CN202364101U (zh) 一种削峰型直流输电换流阀冷却系统
CN107809894B (zh) 一种数据中心机柜的冷却装置
WO2024012215A1 (fr) Système de refroidissement
CN210519308U (zh) 一种数据中心板冷式液体冷却系统
CN205142760U (zh) 具有双吸收装置的数据中心散热系统
CN104065338B (zh) 一种太阳能电池冷却液防冻与热利用装置及方法
CN207995635U (zh) 一种数据中心冷却余热发电系统
CN203421874U (zh) 半导体型温度可调节可显示车载冰箱
CN206542695U (zh) 双级串联式液气双通道自然冷却数据中心散热系统
CN214800467U (zh) 一种数据中心新能源节能空调冷却系统
CN210004537U (zh) 减少主机运行时间的冷水系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15888977

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15888977

Country of ref document: EP

Kind code of ref document: A1