WO2022183857A1 - 一种数据中心增程式制冷系统及数据中心 - Google Patents

一种数据中心增程式制冷系统及数据中心 Download PDF

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Publication number
WO2022183857A1
WO2022183857A1 PCT/CN2022/072633 CN2022072633W WO2022183857A1 WO 2022183857 A1 WO2022183857 A1 WO 2022183857A1 CN 2022072633 W CN2022072633 W CN 2022072633W WO 2022183857 A1 WO2022183857 A1 WO 2022183857A1
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data center
extended
cooling device
program
liquid refrigerant
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PCT/CN2022/072633
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English (en)
French (fr)
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居静
吴四海
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河北秦淮数据有限公司
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Publication of WO2022183857A1 publication Critical patent/WO2022183857A1/zh

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    • 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
    • H05K7/20763—Liquid cooling without phase change
    • 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
    • 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

Definitions

  • the invention relates to the technical field of data center refrigeration, in particular to a data center extended-program refrigeration system and a data center.
  • a data center is a global collaborative network of specific devices used to transmit, accelerate, display, compute, and store data information on the Internet infrastructure. According to current statistics, there are hundreds of thousands of data centers in the country, and the annual electricity consumption exceeds 120 billion kWh, accounting for about 2% of the electricity consumption of the whole society in my country.
  • Data centers have extremely high requirements on the environment and often rely on air conditioners, chillers and other equipment to cool down.
  • the energy consumption of the cooling part accounts for more than 60% of the energy consumption of auxiliary facilities.
  • Such traditional refrigeration methods not only have poor cooling effect, but also have complex systems.
  • Investment and maintenance costs are huge. Therefore, the high energy consumption of data centers not only brings a heavy burden to institutions and enterprises, but also causes a huge waste of energy in the whole society.
  • the embodiments of the present invention provide an extended-program refrigeration system for a data center and a data center.
  • the technical solution is as follows:
  • an extended-program cooling system for a data center including:
  • the fan coil unit is arranged in the data center room, and the inlet end of the fan coil unit is communicated with the output pipe of the mechanical refrigeration equipment;
  • One end of the return pipe is communicated with the outlet end of the fan coil unit, and the other end is communicated with the natural cooling device.
  • the extended-range cooling system for the data center further includes a spray head, and the spray head is provided with a plurality of;
  • the return pipe extends into the natural cooling device, and a plurality of the spray heads are connected to the part of the return pipe that extends into the natural cooling device.
  • the extended-range cooling system for the data center further includes a fan
  • the fan is arranged at the top of the natural cooling device.
  • the extended-range cooling system for the data center further includes a heat dissipation cooling network
  • the heat dissipation and cooling net is arranged in the natural heat dissipation device, and the heat dissipation and cooling net is located between the nozzle and the bottom of the natural heat dissipation device.
  • the extended-range refrigeration system of the data center further includes a water pump, and the water pump is installed on the output pipe of the mechanical refrigeration equipment.
  • the fan coil units are distributed near the heat dissipation end of the server cabinet group.
  • the liquid refrigerant is water or a mixed solution of water and ethylene glycol.
  • a data center including:
  • the server cabinet group is arranged in the server center room
  • a data center extended program cooling system is the data center extended program cooling system described in any one of the above embodiments.
  • the liquid refrigerant through the setting of the natural cooling device and the use of return pipes to connect the fan coil unit with the natural cooling device, after the liquid refrigerant is exchanged in the data center equipment room and the temperature of the liquid refrigerant is increased,
  • the liquid refrigerant first enters the natural cooling device for natural cooling, and after the natural cooling reaches a certain temperature, it enters the mechanical refrigeration equipment for further cooling treatment, and then continues to enter the fan coil for heat exchange. It relatively reduces the energy consumption of mechanical refrigeration equipment and saves a lot of resources.
  • the liquid refrigerant is cooled to the specified temperature by itself in the natural cooling device.
  • This kind of refrigeration system uses the natural cooling device as the main cold source, which can save resources to a great extent and improve the refrigeration energy efficiency of the refrigeration system.
  • FIG. 1 is a schematic diagram of the overall structure of a data center extended-program cooling system provided by an embodiment of the present invention.
  • connection may be a fixed connection, a detachable connection, or a unitary construction; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection through an intermediary, or two devices, elements or Internal connectivity between components.
  • connection may be a fixed connection, a detachable connection, or a unitary construction; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection through an intermediary, or two devices, elements or Internal connectivity between components.
  • the embodiment of the present invention provides an extended program cooling system for a data center.
  • the extended program cooling system for the data center is arranged in the data center and is used for cooling the computer room 9 of the data center.
  • the extended-program refrigeration system of the data center includes a natural cooling device 1, a mechanical cooling device 2, a fan coil unit 3 and a return pipe 4.
  • the natural cooling device 1 is provided with a liquid refrigerant
  • the mechanical cooling device 2 An input pipeline and an output pipeline 22 are provided on the upper part, and the input channel 21 of the mechanical refrigeration equipment 2 is communicated with the natural cooling zone device, which can receive the liquid refrigerant from the natural cooling device 1, and further refrigerate the liquid refrigerant, so that the natural cooling medium can be cooled naturally. After the liquid refrigerant in the cooling device 1 enters the mechanical refrigeration equipment 2, the liquid refrigerant can be further cooled down.
  • the above-mentioned fan coil unit 3 is laid in the data center room 9, and the inlet end of the fan coil unit 3 is connected with the output pipe 22 of the mechanical refrigeration equipment 2, so that the mechanical refrigeration equipment 2 can cool the liquid refrigerant after cooling.
  • the refrigerant enters the fan coil unit 3. Since the fan coil unit 3 is set in the data center equipment room 9, the liquid refrigerant can exchange heat with the air in the data center equipment room 9 during the process of flowing in the fan coil unit 3. In order to reduce the temperature of the data center room 9 .
  • one end of the return channel is connected with the outlet end of the fan coil unit 3, and the other end is connected with the natural cooling device 1.
  • the fan coil unit 3 exchanges heat with the data center machine room 9
  • the temperature of the liquid refrigerant therein can be relatively increased, and then the liquid refrigerant can be returned to the natural cooling device 1 through the return pipe 4 for natural cooling.
  • the liquid refrigerant can be naturally cooled to about 28°C in the natural cooling device 1, and then the naturally cooled liquid refrigerant is input into the mechanical refrigeration equipment 2 for further cooling, so that the refrigerant is cooled to about 23°C, and then After entering the fan coil unit 3, heat exchange occurs with the air in the data center room 9.
  • the temperature of the liquid refrigerant will rise to about 33°C, and then the temperature of the liquid refrigerant will rise to about 33°C.
  • the liquid refrigerant enters the natural cooling device 1 again to naturally cool down to about 28°C, and circulates accordingly.
  • the liquid refrigerant in the return pipe 4 is naturally cooled first and then refrigerated by the refrigerating equipment, thereby relatively reducing the energy consumption of the mechanical refrigerating equipment 2 and saving a lot of resources.
  • the temperature of the liquid refrigerant in the natural cooling device 1 is relatively low.
  • no further mechanical refrigeration equipment 2 is required.
  • the liquid refrigerant is refrigerated to further reduce resource consumption and increase the cooling energy efficiency of the entire system.
  • the above-mentioned natural cooling device 1 may be a cooling tower, so as to perform natural cooling and cooling of the liquid refrigerant through the cooling tower.
  • the mechanical refrigeration equipment 2 may be refrigeration equipment such as compressor equipment or chiller equipment.
  • liquid refrigerant is water or a mixed solution of water and ethylene glycol.
  • This liquid refrigerant can facilitate rapid heat exchange in the data center equipment room 9 to take away the heat in the data center equipment room 9.
  • the above-mentioned extended-range refrigeration system for a data center further includes a nozzle 5 , which is provided with a plurality of nozzles 5 .
  • the end of the above-mentioned return pipe 4 extends into the natural cooling device 1 , And the plurality of spray heads 5 are connected to the part of the return pipe 4 extending into the natural cooling device 1 .
  • the liquid refrigerant can be ejected through the nozzle 5, so that the ejected liquid refrigerant is relatively dispersed, which facilitates the comprehensive contact between the liquid refrigerant and the outside world, thereby increasing the natural cooling efficiency of the liquid refrigerant.
  • the above-mentioned data center extended-program cooling system may further include a fan 6 , the fan 6 is installed at the top position of the natural cooling device 1 so as to blow air into the natural cooling device 1 through the fan 6 , The efficiency of the natural cooling of the liquid refrigerant is accelerated, so that it can quickly cool down to the specified temperature.
  • the above-mentioned extended-program cooling system of the data center may further include a heat dissipation cooling net 7 , the heat dissipation cooling net 7 is fixedly installed in the natural heat dissipation device, and the heat dissipation cooling net 7 is located between the nozzle 5 and the nozzle 5 . Position between the bottom of the natural heat sink.
  • the liquid refrigerant after the liquid refrigerant is ejected through the nozzle 5, the liquid refrigerant will first pass through the position of the heat dissipation cooling net 7, and then fall to the bottom of the natural cooling device 1. In this way, the liquid refrigerant is in contact with the heat dissipation cooling net 7. During the process, the heat dissipation rate of the liquid refrigerant can be further accelerated.
  • the extended-range refrigeration system of the data center may further include a water pump 8 , and the water pump 8 is installed on the output pipe 22 of the mechanical refrigeration equipment 2 to transport the liquid refrigerant on the mechanical refrigeration equipment 2 to the fan coil unit 3 .
  • the water pump 8 can be turned on, so that the liquid refrigerant can be quickly entered into the fan plate, and the circulation of the liquid refrigerant can be accelerated.
  • a server cabinet group 91 is provided in the data center room 9 , and the fan coil units 3 are distributed and laid at a position close to the heat dissipation end of the server cabinet group 91 . Since the server cabinet group 91 will continuously emit a certain amount of heat during operation, which is one of the main reasons for the temperature increase in the data center room 9, the fan coil unit 3 is set to the heat dissipation end of the server cabinet group 91. After the location, the heat emitted by the server cabinet group 91 can be rapidly exchanged with the liquid refrigerant in the fan coil unit 3 , which is beneficial to the cooling in the data center equipment room 9 .
  • an embodiment of the present invention further provides a data center, the data center includes a data center computer room 9, a server cabinet group 91, and the data center extended-range refrigeration system involved in the above embodiments, wherein the server cabinet group 91 It is arranged in the server room of the server center.
  • the liquid refrigerant in the data center computer room 9 for overheating can be cooled first and then cooled by the cooling equipment. Therefore, the energy consumption of the mechanical refrigeration device 2 can be relatively reduced, and a large amount of resources can be saved.
  • the liquid refrigerant can reach a lower temperature through natural cooling. At this time, there is no need for the mechanical refrigeration equipment 2 to cool the liquid refrigerant, thereby further reducing the consumption of resources and increasing the cooling of the entire system. efficiency.
  • the temperature of the liquid refrigerant is increased. , so that the liquid refrigerant first enters the natural cooling device 1 for natural cooling, and after the natural cooling reaches a certain temperature, it enters the mechanical refrigeration equipment 2 for further cooling treatment, and then continues to enter the fan coil unit 3 for heating In this way, the energy consumption of the mechanical refrigeration equipment 2 can be relatively reduced, and a large amount of resources can be saved.
  • the liquid refrigerant is cooled to the specified temperature by itself in the natural cooling device 1.
  • This kind of refrigeration system uses the natural cooling device 1 as the main cold source, which can save resources to a great extent and improve the refrigeration energy efficiency of the refrigeration system.

Abstract

本发明公开了一种数据中心增程式制冷系统及数据中心，涉及数据中心制冷技术领域。该数据中心增程式制冷系统，包括：自然冷却装置，内置有液体冷媒；机械制冷设备，与所述自然冷却装置相连通，接收来自所述自然冷却装置的液体冷媒；风机盘管，设置于数据中心机房内，所述风机盘管的进口端与所述机械制冷设备的输出管道相连通；回流管道，一端与所述风机盘管的出口端相连通，另一端与所述自然冷却装置相连通。本发明能够解决现有数据中心制冷系统能耗过大，导致资源的巨大浪费的问题。

Description

一种数据中心增程式制冷系统及数据中心 技术领域
本发明涉及数据中心制冷技术领域，尤其涉及一种数据中心增程式制冷系统及数据中心。
背景技术
数据中心是全球协作的特定设备网络，用来在因特网络基础设施上传递、加速、展示、计算、存储数据信息。据目前统计，各类数据中心在全国共达几十万个，全年耗电量超过1200亿千瓦时，约占我国全社会用电量的2％。
数据中心对环境要求极高，往往依赖空调、冷水机等设备来降温，冷却部分的用能占到辅助设施用能的60％以上，此类传统制冷方式不仅制冷效果较差，而且系统复杂，投资和维护成本巨大。因此，数据中心的高能耗不仅给机构和企业带来了沉重负担，也造成了全社会能源的巨大浪费。
发明内容
为了解决现有技术的问题，本发明实施例提供了一种数据中心增程式制冷系统及数据中心。所述技术方案如下：
第一方面，提供了一种数据中心增程式制冷系统，包括：
自然冷却装置，内置有液体冷媒；
机械制冷设备，与所述自然冷却装置相连通，接收来自所述自然冷却装置的液体冷媒；
风机盘管，设置于数据中心机房内，所述风机盘管的进口端与所述机械制冷设备的输出管道相连通；
回流管道，一端与所述风机盘管的出口端相连通，另一端与所述自然冷却装置相连通。
在一个实施例中，所述数据中心增程式制冷系统还包括喷头，所述喷头设置有多个；
所述回流管道伸入到所述自然冷却装置内，多个所述喷头连接于所述回流管道伸入到所述自然冷却装置内的部分。
在一个实施例中，所述数据中心增程式制冷系统还包括风扇；
所述风扇设置于所述自然冷却装置的顶端。
在一个实施例中，所述数据中心增程式制冷系统还包括散热冷却网；
所述散热冷却网设置于所述自然散热装置内，且所述散热冷却网位于所述喷头与所述自然散热装置底部之间的位置。
在一个实施例中，所述数据中心增程式制冷系统还包括水泵，所述水泵安装于所述机械制冷设备的输出管道上。
在一个实施例中，所述数据中心机房内具有服务器机柜组，所述风机盘管分布于靠近所述服务器机柜组散热端的位置。
在一个实施例中，所述液体冷媒为水或水与乙二醇的混合溶液。
第二方面，提供了一种数据中心，包括：
数据中心机房；
服务器机柜组，设置于所述服务器中心机房内；
数据中心增程式制冷系统，所述数据中心增程式制冷系统为上述实施例中任一项所述的数据中心增程式制冷系统。
本发明实施例提供的技术方案带来的有益效果是：
本发明实施例中，通过自然冷却装置的设置，并利用回流管道将风机盘管与自然冷却装置相连通，在使液体冷媒在数据中心机房内发生热交换而使液体冷媒的温度升高之后，使液体冷媒先进入到自然冷却装置中进行自然冷却，在自然冷却到一定的温度之后，才进入到机械制冷设备中进一步进行降温处理，然后在继续进入到风机盘管中进行热交换，这样可相对减少了机械制冷设备的能耗，节省大量的资源。另外在寒冷季节，由于温度较低，液体冷媒通过在自然冷却装置中自行冷却到指定的温度，此时就不需要机械制冷设备进一步对其进行降温就可输入到风机盘管中进行热交换，从而进一步节省了机械制冷设备运行的能耗。此种制冷系统以自然冷却装置作为主要的冷源，可极大程度上节约资源，提高了该制冷系统的制冷能效。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的数据中心增程式制冷系统的整体结构示意图。
附图标记说明：
1、自然冷却装置；2、机械制冷设备；21、输入通道；22、输出管道；3、风机盘管；4、回流管道；5、喷头；6、风扇；7、散热冷却网；8、水泵；9、数据中心机房；91、服务器机柜组。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地详细描述。本申请使用的例如“上”、“上方”、“下”、“下方”、“第一端”、“第二端”、“一端”、“另一端”等表示空间相对位置的术语是出于便于说明的目的来描述如附图中所示的一个单元或特征相对于另一个单元或特征的关系。空间相对位置的术语可以旨在包括设备在使用或工作中除了图中所示方位以外的不同方位。例如，如果将图中的设备翻转，则被描述为位于其他单元或特征“下方”或“之下”的单元将位于其他单元或特征“上方”。因此，示例性术语“下方”可以囊括上方和下方这两种方位。设备可以以其他方式被定向(旋转90度或其他朝向)，并相应地解释本文使用的与空间相关的描述语。
此外，术语“安装”、“设置”、“设有”、“连接”、“滑动连接”、“固定”、“套接”应做广义理解。例如，“连接”可以是固定连接，可拆卸连接，或整体式构造；可以是机械连接，或电连接；可以是直接相连，或者是通过中间媒介间接相连，又或者是两个装置、元件或组成部分之间内部的连通。对于本领域普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
本发明实施例提供了一种数据中心增程式制冷系统，该数据中心增程式制冷系统设置于数据中心内，用于对数据中心机房9进行降温处理。
如图1所示，该数据中心增程式制冷系统包括自然冷却装置1、机械制冷设 备2、风机盘管3以及回流管道4，其中，在自然冷却装置1内设置有液体冷媒，机械制冷设备2上设置有输入管道和输出管道22，机械制冷设备2的输入通道21与自然冷区装置的相连通，可以接收来自自然冷却装置1的液体冷媒，并对该液体冷媒进一步进行制冷，使得，自然冷却装置1中的液体冷媒在进入到机械制冷设备2后，可进一步对该液体冷媒进行降温处理。
上述风机盘管3铺设于数据中心机房9内，风机盘管3的进口端与机械制冷设备2的输出管道22相连通，使得机械制冷设备2在液体冷媒进行降温之后，可使降温后的液体冷媒进入到风机盘管3内，由于风机盘管3设置在数据中心机房9内，液体冷媒在风机盘管3内流动的过程中，可与数据中心机房9内的空气发生一定的热交换，以降低数据中心机房9的温度。
如图1所示，该回流通道的一端与风机盘管3的出口端相连通，另一端与自然冷却装置1相连通，在风机盘管3对数据中心机房9内发生一定的热交换后，其中的液体冷媒的温度可相对升高，之后液体冷媒可通过回流管道4回流到自然冷却装置1以自然冷却。
通过此种方式，使得，液体冷媒在自然冷却装置1中可自然冷却到28℃左右，之后将自然冷却后的液体冷媒输入到机械制冷设备2中进一步制冷，使冷媒降温到23℃左右，然后进入到风机盘管3中与数据中心机房9内的空气发生热交换，在完成热交换并使液体冷媒进入到回流管道4中时，该液体冷媒温度会升高到33℃左右，接着使该液体冷媒再次进入到自然冷却装置1中自然降温到28℃左右，并以此循坏。这样，使回流管道4中的液体冷媒先自然降温后在利用制冷设备进行中制冷，从而可相对降低机械制冷设备2的能耗，节省了大量的资源。另外，在寒冷季节时，由于温度较低，液体冷媒在自然冷却装置1中的温度较低，此时，在使液体冷媒输入到风机盘管3的过程中，就不需要机械制冷设备2进一步对液体冷媒进行制冷处理，从而进一步降低资源的消耗，以增大整个系统的制冷能效。
其中，上述自然冷却装置1可以为冷却塔，以通过冷却塔来对液体冷媒进行自然冷却降温。而机械制冷设备2可以为压缩机设备或者冷水机设备等制冷设备。
另外，上述液体冷媒为水或者水与乙二醇的混合溶液，利用此种液体冷媒，可便于使其在数据中心机房9内快速的发生热交换，以带走数据中心机房9内 的热量。
在一个实施例中，如图1所示，上述数据中心增程式制冷系统还包括喷头5，该喷头5设置有多个，另外，上述回流管道4的端部伸入到自然冷却装置1内，且多个喷头5连接于回流管道4伸入到自然冷却装置1内的部分。
通过此种喷头5的设置，可使液体冷媒通过喷头5喷出，这样，使得喷出的液体冷媒相对散开，便于液体冷媒与外界全面的接触，从而增大液体冷媒自然降温的效率。
在一个实施例中，如图1所示，上述数据中心增程式制冷系统还可以包括风扇6，该风扇6安装到自然冷却装置1的顶端位置，从而通过风扇6向自然冷却装置1中吹风，加快了液体冷媒的自然冷却的效率，以使其快速的降温到指定的温度。
在一个实施例中，如图1所示，上述数据中心增程式制冷系统还可以包括散热冷却网7，该散热冷却网7固定安装于自然散热装置内，且该散热冷却网7位于喷头5与自然散热装置底部之间的位置。
这样在使液体冷媒通过喷头5喷出后，液体冷媒会先经过散热冷却网7的位置，之后才会落到自然冷却装置1的底部，如此，在使液体冷媒与散热冷却网7相接触的过程中，可进一步加快液体冷媒的散热速度。
在一个实施例中，该数据中心增程式制冷系统还可以包括水泵8，水泵8安装到机械制冷设备2的输出管道22上，在使机械制冷设备2上的液体冷媒向风机盘管3中输送时，可开启水泵8，从而可快速的使液体冷媒进入的风机盘内，加快了液体冷媒的循环。
在一个实施例中，如图1所示，在数据中心机房9内设置有服务器机柜组91，上述风机盘管3分布铺设于靠近服务器机柜组91散热端的位置。由于服务器机柜组91在运行过程中，会持续的散发出一定的热量，其为数据中心机房9内温度升高的主要原因之一，因此，将风机盘管3设置到服务器机柜组91散热端的位置上后，可使服务器机柜组91散发出的热量快速的与风机盘管3中的液体冷媒发生热交换，有利于数据中心机房9内的降温。
基于相同的技术构思，本发明实施例还提供了一种数据中心，该数据中心包括数据中心机房9、服务器机柜组91以及上述实施例涉及的数据中心增程式制冷系统，其中，服务器机柜组91设置于所述服务器中心机房内。
通过在数据中心内设置该数据中心增程式制冷系统，在对数据中心机房9进行降温时，可使在数据中心机房9内进行过热交换的液体冷媒先自然降温后在利用制冷设备进行中制冷，从而可相对降低机械制冷设备2的能耗，节省了大量的资源。另外，在寒冷季节时，液体冷媒通过自然冷却就可达到较低温度，此时就不需要机械制冷设备2去对液体冷媒进行降温处理，从而进一步降低资源的消耗，以增大整个系统的制冷能效。
本发明通过自然冷却装置1的设置，并利用回流管道4将风机盘管3与自然冷却装置1相连通，在使液体冷媒在数据中心机房9内发生热交换而使液体冷媒的温度升高之后，使液体冷媒先进入到自然冷却装置1中进行自然冷却，在自然冷却到一定的温度之后，才进入到机械制冷设备2中进一步进行降温处理，然后在继续进入到风机盘管3中进行热交换，这样可相对减少了机械制冷设备2的能耗，节省大量的资源。另外在寒冷季节，由于温度较低，液体冷媒通过在自然冷却装置1中自行冷却到指定的温度，此时就不需要机械制冷设备2进一步对其进行降温就可输入到风机盘管3中进行热交换，从而进一步节省了机械制冷设备2运行的能耗。此种制冷系统以自然冷却装置1作为主要的冷源，可极大程度上节约资源，提高了该制冷系统的制冷能效。
以上仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

  1. 一种数据中心增程式制冷系统，其特征在于，包括：
    自然冷却装置，内置有液体冷媒；
    机械制冷设备，与所述自然冷却装置相连通，接收来自所述自然冷却装置的液体冷媒；
    风机盘管，设置于数据中心机房内，所述风机盘管的进口端与所述机械制冷设备的输出管道相连通；
    回流管道，一端与所述风机盘管的出口端相连通，另一端与所述自然冷却装置相连通。
  2. 根据权利要求1所述的数据中心增程式制冷系统，其特征在于，所述数据中心增程式制冷系统还包括喷头，所述喷头设置有多个；
    所述回流管道伸入到所述自然冷却装置内，多个所述喷头连接于所述回流管道伸入到所述自然冷却装置内的部分。
  3. 根据权利要求2所述的数据中心增程式制冷系统，其特征在于，所述数据中心增程式制冷系统还包括风扇；
    所述风扇设置于所述自然冷却装置的顶端。
  4. 根据权利要求2所述的数据中心增程式制冷系统，其特征在于，所述数据中心增程式制冷系统还包括散热冷却网；
    所述散热冷却网设置于所述自然散热装置内，且所述散热冷却网位于所述喷头与所述自然散热装置底部之间的位置。
  5. 根据权利要求1所述的数据中心增程式制冷系统，其特征在于，所述数据中心增程式制冷系统还包括水泵，所述水泵安装于所述机械制冷设备的输出管道上。
  6. 根据权利要求1所述的数据中心增程式制冷系统，其特征在于，所述数 据中心机房内具有服务器机柜组，所述风机盘管分布于靠近所述服务器机柜组散热端的位置。
  7. 根据权利要求1所述的数据中心增程式制冷系统，其特征在于，所述液体冷媒为水或水与乙二醇的混合溶液。
  8. 一种数据中心，其特征在于，包括：
    数据中心机房；
    服务器机柜组，设置于所述服务器中心机房内；
    数据中心增程式制冷系统，所述数据中心增程式制冷系统为权利要求1至7中任一项所述的数据中心增程式制冷系统。
PCT/CN2022/072633 2021-03-03 2022-01-19 一种数据中心增程式制冷系统及数据中心 WO2022183857A1 (zh)

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