WO2021203818A1 - 蒸发冷却系统及机房系统 - Google Patents

蒸发冷却系统及机房系统 Download PDF

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Publication number
WO2021203818A1
WO2021203818A1 PCT/CN2021/074797 CN2021074797W WO2021203818A1 WO 2021203818 A1 WO2021203818 A1 WO 2021203818A1 CN 2021074797 W CN2021074797 W CN 2021074797W WO 2021203818 A1 WO2021203818 A1 WO 2021203818A1
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WIPO (PCT)
Prior art keywords
air
evaporative cooling
air outlet
air inlet
cooling system
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PCT/CN2021/074797
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English (en)
French (fr)
Inventor
李马林
何海波
李露
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华为技术有限公司
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Priority to DE212021000307.9U priority Critical patent/DE212021000307U1/de
Publication of WO2021203818A1 publication Critical patent/WO2021203818A1/zh

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    • 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
    • F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035—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 cooling apparatus specially adapted for use in air-conditioning using evaporation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F2012/007—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using a by-pass for bypassing the heat-exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity

Definitions

  • This application relates to the field of heat exchange technology, in particular to an evaporative cooling system and a machine room system.
  • AHU Air Handle Unit
  • the Chinese patent with the patent number CN209386464U provides an indirect evaporative cooling device, including an air-to-air heat exchanger.
  • this cooling device the return air flow through the air-to-air heat exchanger is large and the path is long. High consumption is not conducive to energy saving.
  • This application provides an evaporative cooling system and a computer room system to reduce the return air resistance and improve the energy efficiency of the system.
  • the first aspect of the present application provides an evaporative cooling system, which includes:
  • the main return air duct includes a first air inlet and a first air outlet; the first air inlet is used to communicate with the machine room;
  • the side ventilation pipe includes a second air inlet and a second air outlet; the second air inlet is in communication with the first air inlet;
  • the heat exchange core includes a first air inlet end and a first air outlet end; the first air outlet is in communication with the first air inlet end;
  • the air after heat exchange through the heat exchange core can be discharged from the first air outlet, mixed with the air discharged from the second air outlet, and finally sent to the machine room.
  • the evaporative cooling system provided by the present application divides the return air into two paths by installing a side ventilation pipe, and the side ventilation pipe can divide the air volume of the part, thereby shortening the return air path and reducing the wind resistance, thereby improving the energy efficiency of the system and helping To save energy.
  • the side ventilation valve is fixed to the side ventilation pipe and is used to adjust the air volume in the side ventilation pipe.
  • the opening degree of the bypass ventilation valve can be controlled manually or automatically, so as to achieve the purpose of controlling the air volume in the bypass ventilation pipe.
  • the side fan is fixed to the side vent pipe and is used to adjust the wind speed in the side vent pipe.
  • the opening and closing of the side ventilator can be controlled manually or automatically, and the gear position of the side ventilator can be controlled manually or automatically to adjust the wind speed in the side ventilator.
  • the control unit is used to control the air volume and speed of the air discharged from the first air outlet according to the detected temperature and humidity of the computer room and the load of the computer room, and control the air flow rate of the air discharged from the second air outlet Air volume and wind speed.
  • the mixed working conditions of the two return air can meet the air supply temperature and humidity requirements of the machine room.
  • the heat exchange core further includes: a second air inlet end and a second air outlet end;
  • the second air inlet end is used to communicate with the outdoor fresh air system, so that the air entering the heat exchange core through the first air inlet end can enter the heat exchange with the outdoor fresh air system
  • the air inside the core exchanges heat
  • the second air outlet is used to communicate with the outdoors.
  • the exhaust fan is used to send the air discharged from the second air outlet to the outdoors.
  • the first filter is fixed to the second air inlet and is used to filter the impurities introduced by the outdoor fresh air system.
  • the air blower is used to send the air mixed with the air discharged from the first air outlet and the air discharged from the second air outlet into the machine room.
  • the main air valve is fixed to the main return air duct and is used to adjust the air volume in the main return air duct.
  • the second filter screen is fixed to the first air inlet end and is used to filter impurities in the main return air duct.
  • the second aspect of the present application provides a computer room system, which includes an outdoor fresh air system, a computer room, and the evaporative cooling system described in any one of the above.
  • the outdoor fresh air system is connected to the heat exchange core of the evaporative cooling system
  • the machine room includes a third air inlet and a third air outlet; the third air outlet is in communication with the first air inlet of the main return air duct, and the third air inlet is respectively connected to the first air outlet It communicates with the second air outlet.
  • the evaporative heat exchange system and the computer room system provided by the present application are provided with a side ventilation pipe, which can diverge part of the air volume, thereby shortening the return air path and reducing the wind resistance, thereby improving the energy efficiency of the system and contributing to energy saving.
  • FIG. 1 is a main cross-sectional view of the structure of a computer room system provided by an embodiment of the application;
  • Figure 2 is a top view of a computer room system provided by an embodiment of the application.
  • Fig. 3 is a control principle diagram of a computer room system provided by an embodiment of the application.
  • the indirect evaporative cooling system uses a heat exchange core to realize natural cooling of the high temperature return air in the machine room by using outdoor cold air.
  • the fan is the main energy-consuming component. If the resistance of the air duct is greater, the power consumption of the fan is greater, and the energy efficiency of the system is lower.
  • embodiments of the present application provide an evaporative cooling system and a computer room system to solve the problem of system energy efficiency in the prior art.
  • FIG. 1 is a main cross-sectional view of the structure of a computer room system provided by an embodiment of the application
  • FIG. 2 is a top view of the computer room system provided by an embodiment of the application.
  • an embodiment of the present application provides a computer room system 100, which includes a computer room 103 and the evaporative cooling system 101 provided in the embodiment of the present application.
  • the evaporative cooling system 101 includes a main return air duct 1, a side ventilation duct 2 and a heat exchange core 3.
  • the main return air duct 1 includes a first air inlet 1A and a first air outlet 1B, and the first air inlet 1A is used to communicate with the machine room 103.
  • the side ventilation duct 2 includes a second air inlet 2A and a second air outlet 2B, and the second air inlet 2A is in communication with the first air inlet 1A.
  • the heat exchange core 3 includes a first air inlet end 3A and a first air outlet end 3B, and the first air outlet 1B is in communication with the first air inlet end 3A.
  • the air after heat exchange by the heat exchange core 3 can be discharged from the first air outlet 3B, mixed with the air discharged from the second air outlet 2B, and finally sent to the machine room 103.
  • the machine room 103 includes a third air inlet 103A and a third air outlet 103B.
  • the third air outlet 103B is connected to the first air inlet 1A of the main return air duct 1, and the third air inlet 103A is connected to the first air outlet 3B and the first air outlet 3B and the second air outlet respectively.
  • the two air outlets 2B are connected.
  • the evaporative cooling system 101 provided by the embodiment of the present application divides the return air into two paths by arranging the bypass duct 2 and the bypass duct 2 can divert part of the air volume, thereby shortening the return air path and reducing the wind resistance, thereby increasing System energy efficiency helps to save energy.
  • the evaporative cooling system 101 may further include a bypass ventilation valve 4 fixed to the bypass ventilation pipe 2 for adjusting the air volume in the bypass ventilation pipe 2.
  • the opening degree of the bypass ventilation valve 4 can be controlled manually or automatically, so as to achieve the purpose of controlling the air volume in the bypass ventilation pipe 2.
  • the evaporative cooling system 101 may further include a side fan 5 that is fixed to the side vent pipe 2 for adjusting the wind speed in the side vent pipe 2.
  • the opening and closing of the bypass fan 5 can be controlled manually or automatically, and the gear position of the bypass fan 5 can be manually or automatically controlled to adjust the wind speed in the bypass duct 2.
  • the heat exchange core 3 may further include a second air inlet end 3C and a second air outlet end 3D.
  • the computer room system 100 provided by the embodiment of the present application may further include an outdoor fresh air system 102 connected to the heat exchange core 3 of the evaporative cooling system 101.
  • an outdoor fresh air system 102 By installing the outdoor fresh air system 102, the air volume on the outdoor side is increased, and the wind speed passing through the heat exchange core 3 is increased, so that the heat exchange efficiency can be improved.
  • the aforementioned second air inlet 3C is used to communicate with the outdoor fresh air system 102, so that the air entering the heat exchange core 3 through the first air inlet 3A can enter the heat exchange core with the outdoor fresh air system 102
  • the air inside the body 3 exchanges heat.
  • the second air outlet 3D is used to communicate with the outdoors.
  • the evaporative cooling system 101 may further include an exhaust fan 7 for sending the air discharged from the second air outlet 3D to the outdoors.
  • the evaporative cooling system 101 may further include a first filter screen 11 fixed to the second air inlet 3C for filtering impurities introduced by the outdoor fresh air system 102.
  • the evaporative cooling system 101 may further include a blower 9 for sending the air mixed with the air discharged from the first air outlet 3B and the air discharged from the second air outlet 2B into the computer room 103 .
  • the evaporative cooling system 101 may further include a main air valve 10 fixed to the main return air duct 1 for adjusting the air volume in the main return air duct 1.
  • the evaporative cooling system 101 may further include a second filter screen 8 fixed to the first air inlet end 3A for filtering impurities in the main return air duct 1.
  • Fig. 3 is a control principle diagram of the computer room system provided by an embodiment of the application.
  • the evaporative cooling system 101 may further include a control unit 6 for controlling the temperature and humidity of the computer room 103 according to the detected temperature and humidity.
  • the air volume and wind speed of the air discharged from the first air outlet 3B, and the air volume and wind speed of the air discharged from the second air outlet 2B are controlled.
  • the return air temperature and humidity are detected, and the air supply volume of the computer room can be determined based on the comparison with the preset air supply temperature and humidity (detection can be performed by the return air at the position of the third air inlet 103A). Then according to the outdoor side ambient temperature and humidity and the built-in ratio algorithm of the supply air volume to the outdoor side air volume, the outdoor side air volume demand can be obtained.
  • the bypass ventilation volume and the main return air volume are calculated. Control and adjust the rotation speed of the supply air fan 9, the bypass fan 5 and the exhaust fan 7, as well as the opening of the bypass ventilation valve 4 and the main air valve 10, to achieve the above control amount, so as to make the two return air mixed working conditions It can meet the air supply temperature and humidity requirements of the computer room 103.

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Abstract

一种蒸发冷却系统（101）及机房系统（100），属于换热技术领域。蒸发冷却系统（101）包括主回风风管（1）、旁通风管（2）和换热芯体（3）。其中，主回风风管（1）包括第一进风口（1A）和第一出风口（1B），第一进风口（1A）用于与机房（103）连通。旁通风管（2）包括第二进风口（2A）和第二出风口（2B），第二进风口（2A）与第一进风口（1A）连通。换热芯体（3）包括第一进风端（3A）和第一出风端（3B），第一出风口（1B）与第一进风端（3A）连通，经换热芯体（3）换热后的空气能从第一出风端（3B）排出，与第二出风口（2B）排出的空气混合，最终送入机房（103）。所述蒸发换热系统（101）及机房系统（100）通过设置旁通风管（2），旁通风管（2）能够分流部分的风量，从而使回风路径变短，风阻变小，进而提高了系统能效，有助于节能。

Description

蒸发冷却系统及机房系统
本申请要求于2020年4月9日提交中国专利局、申请号为202020511560.4、发明名称为“蒸发冷却系统及机房系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及换热技术领域，尤其涉及一种蒸发冷却系统及机房系统。
背景技术
随着数据中心(机房)对能耗要求越来越高，间接蒸发冷却系统(Air Handle Unit，AHU)逐渐成为主流产品。
专利号为CN209386464U的中国专利提供了一种间接蒸发冷却装置，包括空空换热器，该冷却装置中，经过空空换热器的回风风量大、路径长，导致回风风阻大，风机的功耗高，不利于节能。
发明内容
本申请提供了一种蒸发冷却系统及机房系统，以减少回风风阻，提高系统能效。
本申请第一方面提供了一种蒸发冷却系统，其中，包括：
主回风风管，包括第一进风口和第一出风口；所述第一进风口用于与机房连通；
旁通风管，包括第二进风口和第二出风口；所述第二进风口与所述第一进风口连通；
换热芯体，包括第一进风端和第一出风端；所述第一出风口与所述第一进风端连通；
经所述换热芯体换热后的空气能从所述第一出风端排出，与所述第二 出风口排出的空气混合，最终送入所述机房。
本申请提供的蒸发冷却系统通过设置旁通风管，使回风分为两路，旁通风管能够分流部分的风量，从而使回风路径变短，风阻变小，进而提高了系统能效，有助于节能。
在一种可能的实施方式中，还包括：
旁通风阀，固定于所述旁通风管，用于调节所述旁通风管内的风量。
可以手动或自动地控制旁通风阀的开度，从而达到控制旁通风管内风量的目的。
在一种可能的实施方式中，还包括：
旁通风机，固定于所述旁通风管，用于调节所述旁通风管内的风速。
可以手动或自动地控制旁通风机的启闭，也可以手动或自动地控制旁通风机的档位，以调节旁通风管内的风速。
在一种可能的实施方式中，还包括：
控制单元，用于根据检测到的所述机房的温度和湿度，以及机房的负载，控制所述第一出风端排出的空气的风量和风速，且控制所述第二出风口排出的空气的风量和风速。
通过控制上述风量和风速，使得两路回风混合后的工况能够满足机房的送风温、湿度要求。
在一种可能的实施方式中，所述换热芯体还包括：第二进风端和第二出风端；
所述第二进风端用于与室外新风系统连通，以使经过所述第一进风端进入到所述换热芯体内部的空气，能够与所述室外新风系统进入到所述换热芯体内部的空气进行换热；
所述第二出风端用于与室外连通。
通过设置室外新风系统，使室外侧的风量有所增加，经过换热芯体的风速增加，从而能够提高换热效率。
在一种可能的实施方式中，还包括：
排风风机，用于将所述第二出风端排出的空气送至室外。
在一种可能的实施方式中，还包括：
第一过滤网，固定于所述第二进风端，用于过滤所述室外新风系统引入的杂质。
在一种可能的实施方式中，还包括：
送风风机，用于将所述第一出风端排出的空气与所述第二出风口排出的空气混合后的空气送入所述机房。
在一种可能的实施方式中，还包括：
主风阀，固定于所述主回风风管，用于调节所述主回风风管内的风量。
在一种可能的实施方式中，还包括：
第二过滤网，固定于所述第一进风端，用于过滤所述主回风风管内的杂质。
本申请第二方面提供一种机房系统，其中，包括室外新风系统、机房和上述任一项所述的蒸发冷却系统。
其中，所述室外新风系统连接于所述蒸发冷却系统的换热芯体；
所述机房包括第三进风口和第三出风口；所述第三出风口与所述主回风风管的第一进风口连通，所述第三进风口分别与所述第一出风端和所述第二出风口连通。
本申请提供的技术方案可以达到以下有益效果：
本申请提供的蒸发换热系统及机房系统通过设置旁通风管，旁通风管能够分流部分的风量，从而使回风路径变短，风阻变小，进而提高了系统能效，有助于节能。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本申请。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，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为本申请实施例提供的机房系统的结构主剖视图；
图2为本申请实施例提供的机房系统的俯视图；
图3为本申请实施例提供的机房系统的控制原理图。
附图标记：
100-机房系统；
101-蒸发冷却系统；
1-主回风风管；
1A-第一进风口；
1B-第一出风口；
2-旁通风管；
2A-第二进风口；
2B-第二出风口；
3-换热芯体；
3A-第一进风端；
3B-第一出风端；
3C-第二进风端；
3D-第二出风端；
4-旁通风阀；
5-旁通风机；
6-控制单元；
7-排风风机；
8-第二过滤网；
9-送风风机；
10-主风阀；
11-第一过滤网；
102-室外新风系统；
103-机房；
103A-第三进风口；
103B-第三出风口。
具体实施方式
下面将结合附图对本申请的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请实施例中使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
应当理解，本文中使用的术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
需要注意的是，本申请实施例所描述的“上”、“下”、“左”、“右”等方位词是以附图所示的角度来进行描述的，不应理解为对本申请实施例的限定。此外，在上下文中，还需要理解的是，当提到一个元件连接在另一个元件“上”或者“下”时，其不仅能够直接连接在另一个元件“上”或者“下”，也可以通过中间元件间接连接在另一个元件“上”或者“下”。
间接蒸发冷却系统采用换热芯体，实现利用室外的冷空气对机房内的高温回风进行自然冷却。在该过程中，风机是主要的耗能部件，如果风道阻力越大，风机功耗越大，系统能效越低。为了提高系统能效，本申请实施例提供了一种蒸发冷却系统及机房系统，以解决现有技术中系统能效的问题。
图1为本申请实施例提供的机房系统的结构主剖视图，图2为本申请实施例提供的机房系统的俯视图。如图1和图2所示，本申请实施例提供了一种机房系统100，包括机房103和本申请实施例提供的蒸发冷却系统101。
其中，蒸发冷却系统101包括主回风风管1、旁通风管2和换热芯体3。
主回风风管1包括第一进风口1A和第一出风口1B，第一进风口1A用于与机房103连通。旁通风管2包括第二进风口2A和第二出风口2B，第二进风口2A与第一进风口1A连通。
换热芯体3包括第一进风端3A和第一出风端3B，第一出风口1B与第一进风端3A连通。经换热芯体3换热后的空气能从第一出风端3B排出，与第二出风口2B排出的空气混合，最终送入机房103。
机房103包括第三进风口103A和第三出风口103B，第三出风口103B与主回风风管1的第一进风口1A连通，第三进风口103A分别与第一出风端3B和第二出风口2B连通。
本申请实施例提供的蒸发冷却系统101通过设置旁通风管2，使回风分为两路，旁通风管2能够分流部分的风量，从而使回风路径变短，风阻变小，进而提高了系统能效，有助于节能。
在一种具体的实施方式中，蒸发冷却系统101还可以包括旁通风阀4，该旁通风阀4固定于旁通风管2，用于调节旁通风管2内的风量。可以手动或自动地控制旁通风阀4的开度，从而达到控制旁通风管2内风量的目的。
在一种具体的实施方式中，蒸发冷却系统101还可以包括旁通风机5，该旁通风机5固定于旁通风管2，用于调节旁通风管2内的风速。可以手动或自动地控制旁通风机5的启闭，也可以手动或自动地控制旁通风机5的档位，以调节旁通风管2内的风速。
在一种具体的实施方式中，换热芯体3还可以包括第二进风端3C和第二出风端3D。
本申请实施例提供的机房系统100还可以包括室外新风系统102，连接于蒸发冷却系统101的换热芯体3。通过设置室外新风系统102，使室外侧的风量有所增加，经过换热芯体3的风速增加，从而能够提高换热效率。
具体地，上述第二进风端3C用于与室外新风系统102连通，以使经过第一进风端3A进入到换热芯体3内部的空气，能够与室外新风系统102进入到换热芯体3内部的空气进行换热。第二出风端3D用于与室外连通。
在一种具体的实施方式中，蒸发冷却系统101还可以包括排风风机7，用于将第二出风端3D排出的空气送至室外。
在一种具体的实施方式中，蒸发冷却系统101还可以包括第一过滤网11，固定于第二进风端3C，用于过滤室外新风系统102引入的杂质。
在一种具体的实施方式中，蒸发冷却系统101还可以包括送风风机9，用于将第一出风端3B排出的空气与第二出风口2B排出的空气混合后的空气送入机房103。
在一种具体的实施方式中，蒸发冷却系统101还可以包括主风阀10，固定于主回风风管1，用于调节主回风风管1内的风量。
在一种具体的实施方式中，蒸发冷却系统101还可以包括第二过滤网8，固定于第一进风端3A，用于过滤主回风风管1内的杂质。
图3为本申请实施例提供的机房系统的控制原理图，在一种具体的实施方式中，蒸发冷却系统101还可以包括控制单元6，用于根据检测到的机房103的温度和湿度，控制第一出风端3B排出的空气的风量和风速，且控制第二出风口2B排出的空气的风量和风速。
具体地，检测回风温、湿度，根据与预先设定的送风温、湿度比较(可以通过第三进风口103A位置的回风进行检测)，可以确定机房的送风风量。然后根据室外侧环境温、湿度及内置的送风风量与室外侧风量的比例算法，可以得出室外侧风量需求。
再根据送风温、湿度的需求，计算出旁通风量和主回风量。控制和调节送风风机9、旁通风机5和排风风机7的转速，以及旁通风阀4和主风阀10的开度，实现以上控制量，从而使得两路回风混合后的工况能够满足机房103的送风温、湿度要求。
需要指出的是，本专利申请文件的一部分包含受著作权保护的内容。除了对专利局的专利文件或记录的专利文档内容制作副本以外，著作权人保留著作权。

Claims (11)

  1. 一种蒸发冷却系统，其特征在于，包括：
    主回风风管(1)，包括第一进风口(1A)和第一出风口(1B)；所述第一进风口(1A)用于与机房(103)连通；
    旁通风管(2)，包括第二进风口(2A)和第二出风口(2B)；所述第二进风口(2A)与所述第一进风口(1A)连通；
    换热芯体(3)，包括第一进风端(3A)和第一出风端(3B)；所述第一出风口(1B)与所述第一进风端(3A)连通；
    经所述换热芯体(3)换热后的空气能从所述第一出风端(3B)排出，与所述第二出风口(2B)排出的空气混合，最终送入所述机房(103)。
  2. 根据权利要求1所述的蒸发冷却系统，其特征在于，还包括：
    旁通风阀(4)，固定于所述旁通风管(2)，用于调节所述旁通风管(2)内的风量。
  3. 根据权利要求2所述的蒸发冷却系统，其特征在于，还包括：
    旁通风机(5)，固定于所述旁通风管(2)，用于调节所述旁通风管(2)内的风速。
  4. 根据权利要求3所述的蒸发冷却系统，其特征在于，还包括：
    控制单元(6)，用于根据检测到的所述机房(103)的温度和湿度，以及机房(103)的负载，控制所述第一出风端(3B)排出的空气的风量和风速，且控制所述第二出风口(2B)排出的空气的风量和风速。
  5. 根据权利要求1-4任一项所述的蒸发冷却系统，其特征在于，所述换热芯体(3)还包括：第二进风端(3C)和第二出风端(3D)；
    所述第二进风端(3C)用于与室外新风系统(102)连通，以使经过所述第一进风端(3A)进入到所述换热芯体(3)内部的空气，能够与所述室外新风系统(102)进入到所述换热芯体(3)内部的空气进行换热；
    所述第二出风端(3D)用于与室外连通。
  6. 根据权利要求5所述的蒸发冷却系统，其特征在于，还包括：
    排风风机(7)，用于将所述第二出风端(3D)排出的空气送至室外。
  7. 根据权利要求5所述的蒸发冷却系统，其特征在于，还包括：
    第一过滤网(11)，固定于所述第二进风端(3C)，用于过滤所述室外新风系统(102)引入的杂质。
  8. 根据权利要求1-4任一项所述的蒸发冷却系统，其特征在于，还包括：
    送风风机(9)，用于将所述第一出风端(3B)排出的空气与所述第二出风口(2B)排出的空气混合后的空气送入所述机房(103)。
  9. 根据权利要求1-4任一项所述的蒸发冷却系统，其特征在于，还包括：
    主风阀(10)，固定于所述主回风风管(1)，用于调节所述主回风风管(1)内的风量。
  10. 根据权利要求1-4任一项所述的蒸发冷却系统，其特征在于，还包括：
    第二过滤网(8)，固定于所述第一进风端(3A)，用于过滤所述主回风风管(1)内的杂质。
  11. 一种机房系统(100)，其特征在于，包括室外新风系统(102)、机房(103)和权利要求1-10任一项所述的蒸发冷却系统；
    所述室外新风系统(102)连接于所述蒸发冷却系统的换热芯体(3)；
    所述机房(103)包括第三进风口(103A)和第三出风口(103B)；所述第三出风口(103B)与所述主回风风管(1)的第一进风口(1A)连通，所述第三进风口(103A)分别与所述第一出风端(3B)和所述第二出风口(2B)连通。
PCT/CN2021/074797 2020-04-09 2021-02-02 蒸发冷却系统及机房系统 WO2021203818A1 (zh)

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