CN212109083U - an air conditioning system - Google Patents
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- 238000005265 energy consumption Methods 0.000 abstract description 4
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Abstract
本实用新型公开了一种空调***，涉及空气调节技术领域，以解决相关技术中空调***能耗大的技术问题。该空调***包括压缩机、冷凝器、蒸发器、自然冷却装置、第一循环泵、第二循环泵以及控制器。压缩机、冷凝器和蒸发器顺次连接以形成压缩制冷回路。自然冷却装置的进口与冷凝器的出口连通、出口与冷凝器的进口连通，以形成自然冷却回路。第一循环泵连接于自然冷却装置与冷凝器之间。第二循环泵与压缩机并联设置，且第二循环泵的出口与冷凝器的进口相连、进口与蒸发器的出口相连。控制器可控制开启或关闭压缩机、第一循环泵和第二循环泵，以使空调***进入机械制冷模式或自然制冷模式或复合制冷模式。本实用新型可用于空气调节。
The utility model discloses an air conditioning system, which relates to the technical field of air conditioning, and solves the technical problem of high energy consumption of the air conditioning system in the related art. The air conditioning system includes a compressor, a condenser, an evaporator, a natural cooling device, a first circulating pump, a second circulating pump, and a controller. The compressor, condenser and evaporator are connected in sequence to form a compression refrigeration circuit. The inlet of the natural cooling device is communicated with the outlet of the condenser, and the outlet is communicated with the inlet of the condenser, so as to form a natural cooling circuit. The first circulation pump is connected between the natural cooling device and the condenser. The second circulation pump is arranged in parallel with the compressor, and the outlet of the second circulation pump is connected with the inlet of the condenser, and the inlet is connected with the outlet of the evaporator. The controller may control to turn on or off the compressor, the first circulation pump and the second circulation pump, so that the air conditioning system enters a mechanical cooling mode or a natural cooling mode or a compound cooling mode. The utility model can be used for air conditioning.
Description
技术领域technical field
本实用新型涉及空气调节技术领域，尤其涉及一种空调***。The utility model relates to the technical field of air conditioning, in particular to an air conditioning system.
背景技术Background technique
随着人工智能、云计算、大数据等分布式计算架构的创新和发展，作为信息基础设施的数据机房承担的业务量越来越大。由于机房内的设备发热量大，通常需要全年不间断供冷。With the innovation and development of distributed computing architectures such as artificial intelligence, cloud computing, and big data, the data room, which is an information infrastructure, is taking on more and more business. Due to the large amount of heat generated by the equipment in the equipment room, uninterrupted cooling is usually required throughout the year.
相关技术中，通常采用机械压缩式制冷方式对机房进行制冷调节，发明人发现，这种方式对自然能源的利用较少，能耗较大。In the related art, the mechanical compression refrigeration method is usually used to refrigerate the equipment room. The inventor found that this method uses less natural energy and consumes more energy.
实用新型内容Utility model content
本实用新型的目的在于提供一种空调***，用于解决相关技术中空调***能耗较大的技术问题。The purpose of the present utility model is to provide an air-conditioning system, which is used to solve the technical problem of relatively large energy consumption of the air-conditioning system in the related art.
为了实现上述目的，本实用新型实施例提供了一种空调***，包括压缩机、冷凝器、蒸发器、自然冷却装置、第一循环泵、第二循环泵以及控制器。压缩机、冷凝器和蒸发器顺次连接形成压缩制冷回路。自然冷却装置与冷凝器连通，以形成自然冷却回路。第一循环泵连接于自然冷却装置与冷凝器之间。第二循环泵与压缩机并联设置，且第二循环泵的出口与冷凝器的进口相连，第二循环泵的进口与蒸发器的出口相连。控制器与压缩机、第一循环泵以及第二循环泵均电连接，控制器可控制开启或关闭压缩机、第一循环泵和第二循环泵，以使空调***进入机械制冷模式或自然制冷模式或复合制冷模式。In order to achieve the above object, an embodiment of the present invention provides an air conditioning system, including a compressor, a condenser, an evaporator, a natural cooling device, a first circulating pump, a second circulating pump, and a controller. The compressor, condenser and evaporator are connected in sequence to form a compression refrigeration circuit. The free cooling device communicates with the condenser to form a free cooling circuit. The first circulation pump is connected between the natural cooling device and the condenser. The second circulation pump is arranged in parallel with the compressor, the outlet of the second circulation pump is connected with the inlet of the condenser, and the inlet of the second circulation pump is connected with the outlet of the evaporator. The controller is electrically connected with the compressor, the first circulating pump and the second circulating pump, and the controller can control to turn on or off the compressor, the first circulating pump and the second circulating pump, so that the air conditioning system enters the mechanical cooling mode or natural cooling mode or combined cooling mode.
本实用新型实施例提供的空调***中，由于压缩机、冷凝器和蒸发器顺次连接，可以形成压缩制冷回路，因此在室外环境温度较高时，可以进入机械制冷模式，采用压缩机为机房提供冷量。又由于自然冷却装置的进口与冷凝器的出口连通、自然冷却装置的出口与冷凝器的进口连通，可以形成自然冷却回路，因此在室外环境温度足够低时，可以进入自然制冷模式，采用自然冷却装置为机房提供冷量。另外，当室外环境温度不够低时，还可以同时开启压缩制冷回路和自然冷却回路，以进入复合制冷模式，同时采用压缩机和自然冷却装置为机房提供冷量。另外，由于空调***还包括控制器，且控制器与压缩机、第一循环泵和第二循环泵均电连接，因此通过控制器可以控制关闭或开启压缩机、第一循环泵和第二循环泵，以使空调***进入机械制冷模式或自然制冷模式或复合制冷模式，从而使得空调***采用不同的制冷方式为机房提供冷量。In the air conditioning system provided by the embodiment of the present invention, since the compressor, the condenser and the evaporator are connected in sequence, a compression refrigeration circuit can be formed. Therefore, when the outdoor ambient temperature is high, the mechanical refrigeration mode can be entered, and the compressor is used as the machine room. Provide cooling. In addition, since the inlet of the natural cooling device is connected with the outlet of the condenser, and the outlet of the natural cooling device is connected with the inlet of the condenser, a natural cooling circuit can be formed, so when the outdoor ambient temperature is low enough, it can enter the natural cooling mode and adopt natural cooling. The device provides cooling for the computer room. In addition, when the outdoor ambient temperature is not low enough, the compression refrigeration circuit and the natural cooling circuit can be turned on at the same time to enter the composite refrigeration mode, and the compressor and the natural cooling device are used to provide cooling capacity for the equipment room. In addition, since the air conditioning system further includes a controller, and the controller is electrically connected to the compressor, the first circulation pump and the second circulation pump, the controller can control the compressor, the first circulation pump and the second circulation pump to be turned off or turned on pump, so that the air-conditioning system enters the mechanical cooling mode, natural cooling mode or compound cooling mode, so that the air-conditioning system adopts different cooling methods to provide cooling capacity for the equipment room.
上述实施例中，在低温季节，可充分利用自然冷源对机房进行制冷调节，减少了压缩机的运行时长和运行负荷，进而能够有效降低空调***的能耗。In the above-mentioned embodiment, in the low temperature season, the natural cold source can be fully utilized to refrigerate the equipment room, which reduces the operating time and operating load of the compressor, thereby effectively reducing the energy consumption of the air conditioning system.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需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实用新型的一些实施例，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。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.
图1为本实用新型实施例提供的空调***的原理图；1 is a schematic diagram of an air-conditioning system provided by an embodiment of the present utility model;
图2为本实用新型实施例提供的空调***中的控制器的控制原理图。FIG. 2 is a control principle diagram of a controller in an air conditioning system provided by an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Removal and connection, or integral connection; for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上。The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.
本实用新型实施例提供了一种空调***。如图1所示，该空调***包括压缩机1、冷凝器2、蒸发器3、自然冷却装置4、第一循环泵5、第二循环泵6以及控制器。其中，压缩机1、冷凝器2和蒸发器3顺次连接以形成压缩制冷回路。自然冷却装置4的进口与冷凝器2的出口连通、自然冷却装置4的出口与冷凝器2的进口连通，以形成自然冷却回路。第一循环泵5连接于自然冷却装置4与冷凝器2之间。第二循环泵6与压缩机1并联设置，且第二循环泵6的出口与冷凝器2的进口相连，第二循环泵6的进口与蒸发器3的出口相连。控制器与压缩机1、第一循环泵5以及第二循环泵6均电连接，控制器可控制开启或关闭压缩机1、第一循环泵5和第二循环泵6，以使空调***进入机械制冷模式或自然制冷模式或复合制冷模式。The embodiment of the present invention provides an air conditioning system. As shown in FIG. 1 , the air conditioning system includes a compressor 1 , a
另外，如图1所示，上述空调***还包括节流装置7，节流装置7连接于冷凝器2的出口与蒸发器3的进口之间。In addition, as shown in FIG. 1 , the above air conditioning system further includes a
本实用新型实施例提供的空调***中，如图1所示，由于压缩机1、冷凝器2和蒸发器3顺次连接，可以形成压缩制冷回路，从而空调***可以开启机械制冷模式并利用压缩机1进行制冷。又由于自然冷却装置4的进口与冷凝器2的出口连通、自然冷却装置4的出口与冷凝器2的进口连通，可以形成自然冷却回路，从而空调***可以开启自然制冷模式并利用自然冷却装置4进行制冷。另外，当压缩制冷回路和自然冷却回路均开启时，空调***可以进入复合制冷模式并同时利用压缩机1和自然冷却装置4进行制冷。In the air conditioning system provided by the embodiment of the present invention, as shown in FIG. 1 , since the compressor 1, the
利用上述空调***对数据机房进行制冷调节时，具体工作过程如下：When using the above air-conditioning system to cool the data room, the specific working process is as follows:
当室外环境温度较高时，可以通过控制器控制开启压缩机1、关闭第一循环泵5和第二循环泵6。此时，低温低压的液态冷媒在蒸发器3内吸热变为低温低压的气态冷媒，同时与室内侧进行换热，可以将室内环境的温度降低。而后低温低压的气态冷媒流入压缩机1内，在压缩机1内增压变为高温高压的气态冷媒，并在压缩机1的作用下流入冷凝器2内。在冷凝器2中高温高压的气态冷媒放热变为高温高压的液态冷媒，而后高温高压的液态冷媒流经节流装置7减压变为低温低压的液态冷媒后流回蒸发器3内，完成冷媒循环。上述循环中，采用压缩机1对冷媒增压，使得冷媒可以在***中循环，即通过压缩机1实现了机械式制冷，空调***处于机械制冷模式。When the outdoor ambient temperature is high, the compressor 1 can be turned on, and the first circulating
当室外环境温度较低时，由于室外自然冷源足够，由蒸发器3流出的冷媒可以直接进入冷凝器2内被冷凝成液态冷媒，不需经压缩机1增压再流入冷凝器2内冷凝，因此，可以通过控制器控制关闭压缩机1、开启第一循环泵5和第二循环泵6。此时，自然循环回路内的工质在自然冷却装置4内与室外环境进行热交换，工质温度降低，并在第一循环泵5的驱动作用下流入冷凝器2内。在冷凝器2内，低温工质与压缩制冷回路内的高温冷媒进行换热，将冷媒温度降低。压缩制冷回路内的冷媒在冷凝器2内与自然循环回路内的冷媒换热后，在第二循环泵6的驱动作用下在管路内循环流动，并在流入蒸发器3内时，与室内侧进行换热，将室内环境的温度降低。上述循环中，采用第一循环泵5和第二循环泵6分别驱动自然换热回路内的工质和压缩制冷回路内的工质流动，并通过自然换热装置、冷凝器2以及蒸发器3，利用室外的自然冷源调节室内环境的温度，实现了自然制冷，空调***处于自然制冷模式。When the outdoor ambient temperature is low, since the outdoor natural cooling source is sufficient, the refrigerant flowing out of the
当室外环境温度不够低时，由于仅依靠自然冷源无法满足制冷需求，因此，可以通过控制器控制开启压缩机1、第一循环泵5和第二循环泵6。此时，压缩制冷回路内的冷媒部分经过压缩机1增压后流入冷凝器2内，部分经第二循环泵6所在的旁通管路，并在第二循环泵6的作用下直接流入冷凝器2内。在冷凝器2内，从压缩机1流出的冷媒和从第二循环泵6流出的冷媒可以与自然循环回路内的低温工质进行换热，从而冷媒温度降低。而后低温冷媒流回蒸发器3内，与室内侧进行换热，将室内环境的温度降低。上述循环中，部分冷媒依靠压缩机1增压后流入冷凝器2内冷凝、部分冷媒在第二循环泵6的作用下直接流入冷凝器2内冷凝，同时采用了压缩机1以及自然冷源来调节室内环境的温度，即同时实现了机械式制冷和自然制冷，空调***处于复合制冷模式。When the outdoor ambient temperature is not low enough, since the cooling demand cannot be met only by relying on the natural cooling source, the compressor 1 , the first circulating
上述空调***，根据室外环境温度的不同，能够实现三种模式的运行，可以在最大程度上利用自然冷源，进而能够在低温季节有效降低空调***的能耗。The above air conditioning system can realize three modes of operation according to the difference of outdoor ambient temperature, and can utilize the natural cold source to the maximum extent, thereby effectively reducing the energy consumption of the air conditioning system in the low temperature season.
进一步的，如图2所示，上述空调***还包括与控制器电连接的室外温度传感器。控制器用于获取室外温度传感器检测到的室外温度信息，并根据室外温度信息控制开启或关闭压缩机1、第一循环泵5和第二循环泵6。Further, as shown in FIG. 2 , the above air conditioning system further includes an outdoor temperature sensor electrically connected to the controller. The controller is used to acquire the outdoor temperature information detected by the outdoor temperature sensor, and control to turn on or off the compressor 1 , the
其中，室外温度传感器可以将室外温度信息以电信号的形式传送至控制器。The outdoor temperature sensor can transmit the outdoor temperature information to the controller in the form of electrical signals.
本实用新型实施例提供的空调***中，控制器可以根据接收的室外温度信息，控制开启或关闭压缩机1、第一循环泵5和第二循环泵6，使得空调***在不同的模式下运行。具体的，当室外温度T＞t1时，控制器控制开启压缩机1、关闭第一循环泵5和第二循环泵6，使得空调***进入机械制冷模式；当室外温度T＜t2时，控制器控制关闭压缩机1、开启第一循环泵5和第二循环泵6，使得空调***进入自然制冷模式；当室外温度t2＜T＜t1(t2＜t1)时，控制器控制开启压缩机1、第一循环泵5和第二循环泵6，使得空调***进入复合制冷模式。In the air-conditioning system provided by the embodiment of the present invention, the controller can control to turn on or turn off the compressor 1, the first circulating
需要说明的是，空调***处于复合制冷模式下时，若自然冷却装置4与第一循环泵5处于最大运行频率还无法满足制冷需求，可以通过控制器控制开启压缩机1，使得空调***进入机械制冷模式。另外，根据机房实际制冷需求，在不同的实施例中，t1和t 2的取值不同，在此不做具体限定。It should be noted that, when the air-conditioning system is in the composite refrigeration mode, if the natural cooling device 4 and the first circulating
进一步的，在一些实施例中，空调***还包括与控制器电连接的室内温度传感器。控制器用于获取室内温度传感器检测到的室内温度信息，并根据室内温度信息调节压缩机1、第一循环泵5和第二循环泵6的运行频率。具体的，当室内环境温度与预设温度差值较大时，可控制增大压缩机1第一循环泵5以及第二循环泵6中至少一个的运行频率。上述实施例中，控制器接收室内温度信息，并将其作为反馈调节信号，根据实际情况调节压缩机1、第一循环泵5和第二循环泵6的运行频率，能够保证室内环境的温度能够维持在合理的范围内。Further, in some embodiments, the air conditioning system further includes an indoor temperature sensor electrically connected to the controller. The controller is used to acquire the indoor temperature information detected by the indoor temperature sensor, and adjust the operating frequencies of the compressor 1 , the first circulating
本实用新型实施例提供的空调***中，自然冷却装置4的类型不唯一。In the air conditioning system provided by the embodiment of the present invention, the type of the natural cooling device 4 is not unique.
示例的，自然冷却装置4可以为冷却塔41。冷却塔41换热效率较高，能够有效减少能量损耗，同时制冷工质可循环使用，维护成本较低。或者，自然冷却装置4还可以为干冷器。For example, the natural cooling device 4 may be a cooling tower 41 . The cooling tower 41 has high heat exchange efficiency, which can effectively reduce energy loss, and at the same time, the refrigeration working medium can be recycled, and the maintenance cost is low. Alternatively, the natural cooling device 4 may also be a dry cooler.
进一步的，当自然冷却装置4为冷却塔41时，为了增强冷却塔41的换热效果，冷却塔41的塔体内可以设有换热盘管、淋水填料和布水器装置。其中，换热盘管的进口与冷凝器2的出口连通，换热盘管的出口与冷凝器2的进口连通。淋水填料围绕换热盘管设置。布水器装置包括水管以及安装于水管上的喷头，布水器装置设置于淋水填料的上方，用于向淋水填料喷水。上述结构的冷却塔41，当布水器装置开启时，可以向淋水填料喷水，以浸润淋水填料，空气穿过淋水填料时与淋水填料进行一次换热变为低温空气，而后再与换热盘管内的工质进行二次换热，这样能够有效增强换热效果，从而提升冷却塔41的冷却能力。同时，淋水填料围绕换热盘管设置，能够使得换热盘管处于湿润环境下，从而避免换热盘管出现干斑，保证了换热盘管的换热效果的同时，还能够延长其使用寿命。Further, when the natural cooling device 4 is a cooling tower 41, in order to enhance the heat exchange effect of the cooling tower 41, the cooling tower 41 may be provided with a heat exchange coil, a water spray filler and a water distributor device in the tower body. The inlet of the heat exchange coil is communicated with the outlet of the
进一步的，为了方便收集冷却水，上述实施例中，淋水填料的下方还设有集水槽，从淋水填料流出的喷淋水能够流入集水槽内。另外，流入集水槽内的水可以通过管道排出到冷却塔41外或循环流入至布水器装置的水管中循环使用，在此不做具体限定。Further, in order to facilitate the collection of cooling water, in the above embodiment, a water collecting tank is also provided below the water spraying filler, and the spray water flowing out from the water spraying filler can flow into the water collecting tank. In addition, the water flowing into the water collecting tank can be discharged to the outside of the cooling tower 41 through pipes or circulated into the water pipes of the water distributor device for recycling, which is not specifically limited herein.
进一步的，为了防止集水槽长时间使用堆积污泥、影响集水槽的使用，集水槽上还可设置排污管，通过排污管将进入集水槽内的杂质排出。Further, in order to prevent long-term use of accumulated sludge in the water collecting tank and affecting the use of the water collecting tank, a sewage pipe can also be arranged on the water collecting tank, and the impurities entering the water collecting tank are discharged through the sewage pipe.
为了增强冷却塔41的换热效果，示例的，冷却塔41还可以配置有与控制器电连接的第一散热风机。控制器可控制开启或关闭第一散热风机。在利用冷却塔41进行换热时，当检测到室内环境的温度与预设温度偏差较大时，通过控制器控制开启第一散热风机，能够加强空气流动，进而增强对流换热的效率，增强冷却塔41的冷却效果。In order to enhance the heat exchange effect of the cooling tower 41, for example, the cooling tower 41 may also be configured with a first cooling fan that is electrically connected to the controller. The controller can control to turn on or turn off the first cooling fan. When the cooling tower 41 is used for heat exchange, when it is detected that the temperature of the indoor environment has a large deviation from the preset temperature, the controller can control the opening of the first cooling fan, which can enhance the air flow, thereby enhancing the efficiency of convective heat transfer and enhancing the The cooling effect of the cooling tower 41 .
为了增强冷凝器2的散热效果，示例的，冷凝器2可以配置有与控制器电连接的第二散热风机。控制器可控制开启或关闭第二散热风机。具体的，当室内温度传感器检测到室外环境的温度较高或室外温度传感器检测到室内环境的温度离预设值偏差较大时，可通过控制器控制开启第二散热风机。当第二散热风机开启时，可增强空气流通，进而能够有效提升冷凝器2的散热效果，从而提升空调***制冷效率。In order to enhance the cooling effect of the
在本说明书的描述中，具体特征、结构、材料或者特点可以在任何一个或多个实施例或示例中以合适的方式结合。In the description of this specification, the particular features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
以上，仅为本实用新型的具体实施方式，但在本实用新型的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本实用新型的保护范围之内。因此，本实用新型的保护范围应以权利要求的保护范围为准。The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field of the present invention can easily think of changes or replacements within the technical scope disclosed by the present invention. , all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
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