CN101975428A - Air-cooling thermotube-type machine room air-conditioning system - Google Patents

Air-cooling thermotube-type machine room air-conditioning system Download PDF

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CN101975428A
CN101975428A CN 201010528027 CN201010528027A CN101975428A CN 101975428 A CN101975428 A CN 101975428A CN 201010528027 CN201010528027 CN 201010528027 CN 201010528027 A CN201010528027 A CN 201010528027A CN 101975428 A CN101975428 A CN 101975428A
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air
conditioning system
cooled
heat pipe
computer room
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CN101975428B (en
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陈光明
唐黎明
陈琪
何一坚
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Zhejiang Jiepu Zhihui Energy Technology Co ltd
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Zhejiang University ZJU
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Abstract

本发明公开了一种风冷式热管型机房空调系统,包括压缩机、第一风冷冷凝器、节流装置、蒸发冷凝器、储液罐、流量平衡阀、末端换热器、气泡泵、第一制冷剂切换阀、第二制冷剂切换阀和第二风冷冷凝器;所述的压缩机的高压排气口依次与第一风冷冷凝器、节流装置、蒸发冷凝器的蒸发侧、压缩机的低压吸气口相连接,形成压缩制冷循环回路;所述的蒸发冷凝器的冷凝侧出口依次与储液罐、流量平衡阀、末端换热器、气泡泵、第一制冷剂切换阀、蒸发冷凝器的冷凝侧进口相连接,所述的末端换热器的出口依次与第二制冷剂切换阀、第二风冷冷凝器、储液罐的进口相连接,形成热管制冷循环回路。该系统热交换时的温差较小、能效比高。

Figure 201010528027

The invention discloses an air-cooled heat pipe type computer room air-conditioning system, comprising a compressor, a first air-cooled condenser, a throttling device, an evaporative condenser, a liquid storage tank, a flow balance valve, a terminal heat exchanger, an air bubble pump, The first refrigerant switching valve, the second refrigerant switching valve and the second air-cooled condenser; the high-pressure exhaust port of the compressor is sequentially connected with the first air-cooled condenser, the throttling device, and the evaporation side of the evaporative condenser , The low-pressure suction port of the compressor is connected to form a compression refrigeration cycle; the outlet of the condensation side of the evaporative condenser is sequentially switched with the liquid storage tank, the flow balance valve, the terminal heat exchanger, the bubble pump, and the first refrigerant The valve and the inlet of the condensing side of the evaporative condenser are connected, and the outlet of the terminal heat exchanger is connected with the second refrigerant switching valve, the second air-cooled condenser, and the inlet of the liquid storage tank in turn to form a heat pipe refrigeration cycle . The temperature difference during heat exchange of the system is small and the energy efficiency ratio is high.

Figure 201010528027

Description

一种风冷式热管型机房空调系统 An air-cooled heat pipe type computer room air conditioning system

技术领域technical field

本发明涉及空调系统技术领域,具体涉及一种风冷式热管型机房空调系统。The invention relates to the technical field of air conditioning systems, in particular to an air-cooled heat pipe type computer room air conditioning system.

背景技术Background technique

随着我国近年来信息产业与网络应用的快速发展,机房与基站建设速度大大加快,其数量迅速增加,越来越成为能耗大户。据统计,机房与基站的能耗占整个网络能耗的90%,而空调制冷能耗又占机房与基站能耗的40%~50%。特别是许多基站在春季及秋冬季节仍然需要利用空调制冷,而此时户外空气温度往往比较低,如果能利用户外的低温进行制冷将大大降低基站空调的能耗。With the rapid development of my country's information industry and network applications in recent years, the construction speed of computer rooms and base stations has been greatly accelerated, and their number has increased rapidly, becoming more and more energy-consuming. According to statistics, the energy consumption of computer rooms and base stations accounts for 90% of the energy consumption of the entire network, and the energy consumption of air conditioning and cooling accounts for 40% to 50% of the energy consumption of computer rooms and base stations. In particular, many base stations still need to use air conditioners for cooling in spring and autumn and winter, when the outdoor air temperature is often relatively low. If the outdoor low temperature can be used for cooling, the energy consumption of base station air conditioners will be greatly reduced.

利用户外较低温度进行室内热量的排放并不是一个全新的概念,目前已经被大量采用的新风系统即采用了这一理念,此外还有直接采用热交换方式的制冷系统。It is not a new concept to use the lower outdoor temperature to discharge indoor heat. The fresh air system that has been widely used at present adopts this concept. In addition, there are refrigeration systems that directly use heat exchange.

中国专利ZL200920037779.9中公开了一种机房空调系统,包括需散热机组,该需散热机组中的两相邻机组的发热面或非发热面相对安置,各机组的底部设有由非发热面通往发热面的气流通道,气流通道中装有风机,各机组的上方安装延伸到房顶的隔离板。在两相邻机组发热面之间以及非发热面之间的房顶分别设置接空调机的抽风口和送风口,即可形成空调机由送风口自上之下送出冷风,经由底部及各层的通风排孔由非发热面送至发热面,抽风口将发热面热气自下向上抽出,形成合理的空调风场循环,获得理想的空调效果,并且成本经济。Chinese patent ZL200920037779.9 discloses an air-conditioning system for a computer room, which includes a cooling unit. The heating surfaces or non-heating surfaces of two adjacent units in the cooling unit are arranged oppositely. The air flow channel to the heating surface is equipped with a fan, and the isolation plate extending to the roof is installed on the top of each unit. On the roof between the heating surfaces of two adjacent units and between the non-heating surfaces, the air inlet and the air supply outlet connected to the air conditioner are set respectively, so that the air conditioner can send cold air from the air supply outlet from top to bottom, and pass through the bottom and each layer. The ventilation holes are sent from the non-heating surface to the heating surface, and the exhaust port draws the hot air from the heating surface from bottom to top, forming a reasonable air-conditioning wind field circulation, obtaining ideal air-conditioning effects, and cost-effective.

中国发明专利申请CN200910035398.1中公开了一种机房空调辅助装置,在空调的外机下方设置有喷淋装置,该喷淋装置包括喷淋主管,喷淋主管上设置有至少一个喷淋支管,喷淋支管设置于外机的下方,在喷淋支管端部设置有雾化喷头,喷淋主管上设置有电磁控制阀,电磁控制阀上设置温控电路。通过对空调外机进行喷淋水冷,来提高空调的制冷效果。Chinese invention patent application CN200910035398.1 discloses an auxiliary device for an air conditioner in a machine room. A spraying device is provided under the external unit of the air conditioner. The spraying device includes a spraying main pipe, and at least one spraying branch pipe is arranged on the spraying main pipe. The spray branch pipe is arranged under the external machine, and an atomizing nozzle is arranged at the end of the spray branch pipe, and an electromagnetic control valve is arranged on the spray main pipe, and a temperature control circuit is arranged on the electromagnetic control valve. The cooling effect of the air conditioner is improved by spraying water cooling to the external unit of the air conditioner.

但是,现有的新风系统的制冷方式会存在较复杂的空气品质处理问题,热交换方式的制冷系统会存在运行温差较大、能效比不高的问题。因此,有必要开发一种新型的机房空调系统。However, the cooling method of the existing fresh air system will have more complicated air quality treatment problems, and the cooling system of the heat exchange method will have the problems of large operating temperature difference and low energy efficiency ratio. Therefore, it is necessary to develop a new type of computer room air conditioning system.

发明内容Contents of the invention

本发明提供了一种风冷式热管型机房空调系统。The invention provides an air-cooled heat pipe type computer room air conditioning system.

一种风冷式热管型机房空调系统,包括压缩机、第一风冷冷凝器、节流装置、蒸发冷凝器、储液罐、流量平衡阀、末端换热器、气泡泵、第一制冷剂切换阀、第二制冷剂切换阀和第二风冷冷凝器;An air-cooled heat pipe type computer room air-conditioning system, including a compressor, a first air-cooled condenser, a throttling device, an evaporative condenser, a liquid storage tank, a flow balance valve, a terminal heat exchanger, a bubble pump, and a first refrigerant switching valve, second refrigerant switching valve and second air-cooled condenser;

所述的压缩机的高压排气口依次与第一风冷冷凝器、节流装置、蒸发冷凝器的蒸发侧、压缩机的低压吸气口相连接,形成压缩制冷循环回路;The high-pressure exhaust port of the compressor is sequentially connected with the first air-cooled condenser, the throttling device, the evaporation side of the evaporative condenser, and the low-pressure suction port of the compressor to form a compression refrigeration cycle;

所述的蒸发冷凝器的冷凝侧出口依次与储液罐、流量平衡阀、末端换热器、气泡泵、第一制冷剂切换阀、蒸发冷凝器的冷凝侧进口相连接,所述的末端换热器的出口依次与第二制冷剂切换阀、第二风冷冷凝器、储液罐的进口相连接,形成热管制冷循环回路。The condensing side outlet of the evaporative condenser is sequentially connected with the liquid storage tank, the flow balance valve, the terminal heat exchanger, the air bubble pump, the first refrigerant switching valve, and the condensing side inlet of the evaporative condenser. The outlet of the heater is sequentially connected with the second refrigerant switching valve, the second air-cooled condenser, and the inlet of the liquid storage tank to form a heat pipe refrigeration circulation loop.

所述的储液罐最好位于蒸发冷凝器与第二风冷冷凝器下方,利于制冷剂利用重力作用进行循环。The liquid storage tank is preferably located under the evaporative condenser and the second air-cooled condenser, which is beneficial for the refrigerant to circulate by gravity.

所述的储液罐位于末端换热器上方,且储液罐与末端换热器间的距离为1m~4m,便于储液罐中的制冷剂在自身重力的作用下流入末端换热器。The liquid storage tank is located above the terminal heat exchanger, and the distance between the liquid storage tank and the terminal heat exchanger is 1m-4m, so that the refrigerant in the liquid storage tank flows into the terminal heat exchanger under its own gravity.

所述的气泡泵可选用本领域常用的普通气泡泵,也可以选用由垂直于地面的管道和加装在管道上的加热器组成的简易气泡泵。所述的风冷式热管型机房空调系统在启动初期需消耗电能来加热,通过气泡泵可对制冷剂进行加热,使制冷剂在室内外温差的作用下能够自行循环,此后,即可关闭气泡泵。The air bubble pump can be an ordinary air bubble pump commonly used in the field, or a simple air bubble pump composed of a pipeline perpendicular to the ground and a heater installed on the pipeline. The air-cooled heat pipe type computer room air conditioning system needs to consume electric energy to heat at the initial stage of starting, and the refrigerant can be heated by the air bubble pump, so that the refrigerant can circulate by itself under the action of the temperature difference between indoor and outdoor, after that, the air bubble can be closed Pump.

所述的气泡泵位于高于末端换热器0~1.5m且垂直于地面的管道上,利于制冷剂在循环中正常流动。The air bubble pump is located on a pipeline that is 0-1.5m higher than the terminal heat exchanger and perpendicular to the ground, which is beneficial to the normal flow of the refrigerant in the cycle.

所述的气泡泵在风冷式热管型机房空调系统启动后10min~30min使用,以便于将系统启动前留在气泡泵与第二风冷冷凝器之间的制冷剂泵入第二风冷冷凝器使之进入储液罐。The air bubble pump is used 10 minutes to 30 minutes after the start-up of the air-cooled heat pipe type computer room air-conditioning system, so as to pump the refrigerant left between the bubble pump and the second air-cooled condenser before the system starts into the second air-cooled condenser. device so that it enters the liquid storage tank.

所述的热管制冷循环回路中并列设置2-20台末端换热器,以满足不同的空间需求,一般空间较大可适当增加末端换热器的数量。In the heat pipe refrigeration cycle, 2-20 end heat exchangers are arranged side by side to meet different space requirements. Generally, if the space is large, the number of end heat exchangers can be appropriately increased.

所述的末端换热器均串联一流量平衡阀,方便调节各个末端换热器的热负荷。The terminal heat exchangers are all connected in series with a flow balance valve to facilitate the adjustment of the heat load of each terminal heat exchanger.

所述的压缩制冷循环回路中优选采用环保工质制冷剂,该回路中的制冷剂可以由本发明风冷式热管型机房空调系统提供,也可以由其他空调系统提供,以节约资源。所述的环保工质制冷剂主要指臭氧层消耗潜能(ODP)值为0的制冷剂,如R410或R134A等。Environmentally friendly refrigerants are preferably used in the compression refrigeration cycle circuit, and the refrigerant in this circuit can be provided by the air-cooled heat pipe type computer room air-conditioning system of the present invention, or by other air-conditioning systems to save resources. The environmentally friendly refrigerant mainly refers to a refrigerant with an ozone depletion potential (ODP) value of 0, such as R410 or R134A.

所述的热管制冷循环回路中优选采用非共沸制冷剂。A non-azeotropic refrigerant is preferably used in the heat pipe refrigeration cycle.

与现有技术相比,本发明风冷式热管型机房空调系统不仅解决了新风系统中较复杂的空气品质处理问题,也解决了热交换技术中运行温差较大、能效比不高的问题,无论从经济效益、社会效益还是国家能源战略等方面来说,都是极具意义的,主要具有如下有益效果:Compared with the prior art, the air-cooled heat pipe type computer room air-conditioning system of the present invention not only solves the more complex air quality treatment problem in the fresh air system, but also solves the problems of large operating temperature difference and low energy efficiency ratio in the heat exchange technology, No matter in terms of economic benefits, social benefits or national energy strategy, it is very meaningful, and mainly has the following beneficial effects:

(1)在室外温度大于等于20℃时减少换热温差、提高制冷效率。(1) When the outdoor temperature is greater than or equal to 20°C, the heat transfer temperature difference is reduced and the cooling efficiency is improved.

(2)在室外温度低于20℃时直接采用气泡泵循环制冷剂,制冷效率大幅度提高,制冷性能系数(COP)可达到15~20。(2) When the outdoor temperature is lower than 20°C, the air bubble pump is directly used to circulate the refrigerant, the cooling efficiency is greatly improved, and the cooling performance coefficient (COP) can reach 15-20.

(3)克服常规机房空调系统中容易水进机房的缺陷,保证机房安全运行。(3) Overcome the defect that water is easy to enter the computer room in the conventional air-conditioning system of the computer room, and ensure the safe operation of the computer room.

附图说明Description of drawings

图1是本发明风冷式热管型机房空调系统的结构示意图;Fig. 1 is the structural representation of the air-cooled heat pipe type machine room air conditioning system of the present invention;

图1中,1为压缩机、2为第一风冷冷凝器、3为节流装置、4为蒸发冷凝器、5为储液罐、6为流量平衡阀、7为末端换热器、8为气泡泵、9为第一制冷剂切换阀、10为第二制冷剂切换阀、11为第二风冷冷凝器。In Figure 1, 1 is the compressor, 2 is the first air-cooled condenser, 3 is the throttling device, 4 is the evaporative condenser, 5 is the liquid storage tank, 6 is the flow balance valve, 7 is the terminal heat exchanger, 8 9 is the first refrigerant switching valve, 10 is the second refrigerant switching valve, and 11 is the second air-cooled condenser.

具体实施方式Detailed ways

如图1所示,本发明风冷式热管型机房空调系统,包括压缩机1、第一风冷冷凝器2、节流装置3、蒸发冷凝器4、储液罐5、流量平衡阀6、末端换热器7、气泡泵8、第一制冷剂切换阀9、第二制冷剂切换阀10和第二风冷冷凝器11。As shown in Figure 1, the air-cooled heat pipe type computer room air-conditioning system of the present invention includes a compressor 1, a first air-cooled condenser 2, a throttling device 3, an evaporative condenser 4, a liquid storage tank 5, a flow balance valve 6, Terminal heat exchanger 7 , bubble pump 8 , first refrigerant switching valve 9 , second refrigerant switching valve 10 and second air-cooled condenser 11 .

压缩机1的高压排气口依次与第一风冷冷凝器2、节流装置3、蒸发冷凝器4的蒸发侧、压缩机1的低压吸气口相连接,形成压缩制冷循环回路;The high-pressure exhaust port of the compressor 1 is sequentially connected with the first air-cooled condenser 2, the throttling device 3, the evaporation side of the evaporative condenser 4, and the low-pressure suction port of the compressor 1 to form a compression refrigeration cycle;

蒸发冷凝器4的冷凝侧出口依次与储液罐5、流量平衡阀6、末端换热器7、气泡泵8、第一制冷剂切换阀9、蒸发冷凝器4的冷凝侧进口相连接,末端换热器7的出口依次与第二制冷剂切换阀10、第二风冷冷凝器11、储液罐5的进口相连接,形成热管制冷循环回路。The condensing side outlet of the evaporative condenser 4 is sequentially connected with the liquid storage tank 5, the flow balance valve 6, the terminal heat exchanger 7, the air bubble pump 8, the first refrigerant switching valve 9, and the condensing side inlet of the evaporative condenser 4, and the terminal The outlet of the heat exchanger 7 is sequentially connected with the inlet of the second refrigerant switching valve 10, the second air-cooled condenser 11, and the liquid storage tank 5 to form a heat pipe refrigeration cycle.

储液罐5位于蒸发冷凝器4与第二风冷冷凝器11下方,且位于末端换热器7上方,储液罐5与末端换热器7间的距离为3m。The liquid storage tank 5 is located below the evaporative condenser 4 and the second air-cooled condenser 11, and above the terminal heat exchanger 7, and the distance between the liquid storage tank 5 and the terminal heat exchanger 7 is 3m.

气泡泵8为由垂直于地面的管道和加装在管道上的加热器组成的简易气泡泵,安装在位于高于末端换热器71.5m且垂直于地面的管道上。The bubble pump 8 is a simple bubble pump composed of a pipeline perpendicular to the ground and a heater installed on the pipeline, and is installed on a pipeline that is 71.5m higher than the terminal heat exchanger and perpendicular to the ground.

气泡泵8在风冷式热管型机房空调系统启动后20min使用。The air bubble pump 8 is used 20 minutes after the start-up of the air-cooled heat pipe type computer room air conditioning system.

热管制冷循环回路中并列设置15台末端换热器7,每台末端换热器7串联一流量平衡阀6。Fifteen terminal heat exchangers 7 are arranged side by side in the heat pipe refrigeration cycle, and each terminal heat exchanger 7 is connected in series with a flow balance valve 6 .

本发明风冷式热管型机房空调系统由压缩制冷循环回路和热管制冷循环回路所组成,压缩制冷循环回路最好采用环保工质制冷剂作为第一制冷剂,如R410或R134A等环保工质制冷剂,该回路中的制冷剂可以由本发明风冷式热管型机房空调系统提供,也可以由其他空调系统提供,以节约资源;热管制冷循环回路可采用非共沸制冷剂作为第二制冷剂,如R410A等非共沸制冷剂。The air-cooled heat pipe type machine room air conditioning system of the present invention is composed of a compression refrigeration cycle circuit and a heat pipe refrigeration cycle circuit. The compression refrigeration cycle circuit preferably uses an environmentally friendly refrigerant as the first refrigerant, such as R410 or R134A and other environmentally friendly refrigerants. The refrigerant in the circuit can be provided by the air-cooled heat pipe type computer room air-conditioning system of the present invention, and can also be provided by other air-conditioning systems to save resources; the heat pipe refrigeration cycle can use non-azeotropic refrigerant as the second refrigerant, Such as R410A and other zeotropic refrigerants.

本发明风冷式热管型机房空调系统的工作过程如下:The working process of the air-cooled heat pipe type computer room air-conditioning system of the present invention is as follows:

当室外温度大于等于20℃时,第一制冷剂切换阀9打开,第二制冷剂切换阀10关闭,第一制冷剂切换阀9的打开或关闭以及第二制冷剂切换阀10的打开或关闭均可通过现有的温度敏感控制系统来控制也可通过手动控制。在压缩制冷循环回路中,第一制冷剂气体经压缩机1压缩后进入第一风冷冷凝器2被室外空气冷却冷凝变成第一制冷剂液体,第一制冷剂液体经节流装置3节流降压后进入蒸发冷凝器4的蒸发侧,与蒸发冷凝器4的冷凝侧发生热置换,即吸收热管制冷循环回路中的冷凝热后蒸发变成第一制冷剂气体被压缩机1吸入进入下一个循环。在热管制冷循环回路中,储液罐5中的第二制冷剂液体在重力作用下流经流量平衡阀6,在末端换热器7中吸收室内热量后蒸发变成第二制冷剂气体,第二制冷剂气体经第一制冷剂切换阀9进入蒸发冷凝器4的冷凝侧,与蒸发冷凝器4的蒸发侧中的第一制冷剂液体进行热置换,释放热量后变成第二制冷剂液体进入储液罐5,进入下一个循环。When the outdoor temperature is greater than or equal to 20°C, the first refrigerant switching valve 9 is opened, the second refrigerant switching valve 10 is closed, the opening or closing of the first refrigerant switching valve 9 and the opening or closing of the second refrigerant switching valve 10 Both can be controlled by existing temperature sensitive control system or by manual control. In the compression refrigeration cycle, the first refrigerant gas enters the first air-cooled condenser 2 after being compressed by the compressor 1, and is cooled and condensed by the outdoor air to become the first refrigerant liquid, and the first refrigerant liquid passes through the throttling device for 3 knots After the flow is depressurized, it enters the evaporation side of the evaporative condenser 4, and undergoes heat exchange with the condensing side of the evaporative condenser 4, that is, absorbs the condensation heat in the heat pipe refrigeration cycle, evaporates and becomes the first refrigerant gas, which is sucked into the compressor 1. next cycle. In the heat pipe refrigeration cycle circuit, the second refrigerant liquid in the liquid storage tank 5 flows through the flow balance valve 6 under the action of gravity, and evaporates into the second refrigerant gas after absorbing indoor heat in the end heat exchanger 7. The refrigerant gas enters the condensation side of the evaporative condenser 4 through the first refrigerant switching valve 9, and performs heat replacement with the first refrigerant liquid in the evaporating side of the evaporative condenser 4, and becomes the second refrigerant liquid after releasing heat. The liquid storage tank 5 enters the next cycle.

在室外温度低于20℃时,第一制冷剂切换阀9关闭,第二制冷剂切换阀10打开,气泡泵8只在系统启动后20min内工作,将系统启动前留在气泡泵8与第二风冷冷凝器11之间的第二制冷剂泵入第二风冷冷凝器11使之进入储液罐5。压缩制冷循环回路停止工作。在热管制冷循环回路中,储液罐5中的第二制冷剂液体在重力作用下经过流量平衡阀6,在末端换热器7中吸收室内热量后蒸发变成第二制冷剂气体,第二制冷剂气体经气泡泵8与第二制冷剂切换阀10进入第二风冷冷凝器11冷凝变成第二制冷剂液体,第二制冷剂液体进入储液罐5,进入下一个循环。When the outdoor temperature is lower than 20°C, the first refrigerant switching valve 9 is closed, the second refrigerant switching valve 10 is opened, and the air bubble pump 8 only works within 20 minutes after the system is started. The second refrigerant between the two air-cooled condensers 11 is pumped into the second air-cooled condenser 11 to enter the liquid storage tank 5 . The compression refrigeration cycle stops working. In the heat pipe refrigeration cycle, the second refrigerant liquid in the liquid storage tank 5 passes through the flow balance valve 6 under the action of gravity, and evaporates into the second refrigerant gas after absorbing indoor heat in the terminal heat exchanger 7. The refrigerant gas enters the second air-cooled condenser 11 through the bubble pump 8 and the second refrigerant switching valve 10 to condense into the second refrigerant liquid, and the second refrigerant liquid enters the liquid storage tank 5 and enters the next cycle.

本发明风冷式热管型机房空调系统系统,在室外温度较低时可直接采用热管制冷循环回路,不使用压缩制冷循环回路,系统COP大幅度提高,可达到18,调节气泡泵8在风冷式热管型机房空调系统启动后10min~30min使用、储液罐5与末端换热器7间的距离为1m~4m、气泡泵8位于高于末端换热器70~1.5m且垂直于地面的管道上、热管制冷循环回路中并列设置2-20台末端换热器7这些参数,系统COP可达到15~20。机房室内直接采用热管制冷循环,第二制冷剂使用R410A等非共沸制冷剂,保证机房安全。The air-cooled heat pipe type machine room air conditioning system of the present invention can directly use the heat pipe refrigeration cycle circuit when the outdoor temperature is low, without using the compression refrigeration cycle circuit, the system COP is greatly improved, and can reach 18, and the air-cooled pump 8 can be adjusted The heat pipe type computer room air-conditioning system is used 10 to 30 minutes after startup, the distance between the liquid storage tank 5 and the terminal heat exchanger 7 is 1m to 4m, and the air bubble pump 8 is located 70 to 1.5m higher than the terminal heat exchanger and perpendicular to the ground The parameters of 2-20 terminal heat exchangers 7 are arranged side by side on the pipeline and in the heat pipe refrigeration cycle, and the system COP can reach 15-20. The heat pipe refrigeration cycle is directly used in the computer room, and the second refrigerant uses a non-azeotropic refrigerant such as R410A to ensure the safety of the computer room.

Claims (10)

1.一种风冷式热管型机房空调系统,其特征在于,包括压缩机(1)、第一风冷冷凝器(2)、节流装置(3)、蒸发冷凝器(4)、储液罐(5)、流量平衡阀(6)、末端换热器(7)、气泡泵(8)、第一制冷剂切换阀(9)、第二制冷剂切换阀(10)和第二风冷冷凝器(11);1. An air-cooled heat pipe type computer room air-conditioning system, characterized in that it comprises a compressor (1), a first air-cooled condenser (2), a throttling device (3), an evaporative condenser (4), a liquid storage tank (5), flow balancing valve (6), terminal heat exchanger (7), air bubble pump (8), first refrigerant switching valve (9), second refrigerant switching valve (10) and second air cooling condenser (11); 所述的压缩机(1)的高压排气口依次与第一风冷冷凝器(2)、节流装置(3)、蒸发冷凝器(4)的蒸发侧、压缩机(1)的低压吸气口相连接,形成压缩制冷循环回路;The high-pressure exhaust port of the compressor (1) is sequentially connected with the first air-cooled condenser (2), the throttling device (3), the evaporation side of the evaporative condenser (4), and the low-pressure suction port of the compressor (1). The air ports are connected to form a compression refrigeration cycle; 所述的蒸发冷凝器(4)的冷凝侧出口依次与储液罐(5)、流量平衡阀(6)、末端换热器(7)、气泡泵(8)、第一制冷剂切换阀(9)、蒸发冷凝器(4)的冷凝侧进口相连接,所述的末端换热器(7)的出口依次与第二制冷剂切换阀(10)、第二风冷冷凝器(11)、储液罐(5)的进口相连接,形成热管制冷循环回路。The condensing side outlet of the evaporative condenser (4) is sequentially connected with the liquid storage tank (5), the flow balance valve (6), the terminal heat exchanger (7), the air bubble pump (8), the first refrigerant switching valve ( 9), the condensing side inlet of the evaporative condenser (4) is connected, and the outlet of the terminal heat exchanger (7) is connected with the second refrigerant switching valve (10), the second air-cooled condenser (11), The inlets of the liquid storage tanks (5) are connected to form a heat pipe refrigeration cycle. 2.根据权利要求1所述的风冷式热管型机房空调系统,其特征在于,所述的储液罐(5)位于蒸发冷凝器(4)与第二风冷冷凝器(11)下方。2. The air-cooled heat pipe type computer room air-conditioning system according to claim 1, characterized in that, the liquid storage tank (5) is located below the evaporative condenser (4) and the second air-cooled condenser (11). 3.根据权利要求1或2所述的风冷式热管型机房空调系统,其特征在于,所述的储液罐(5)位于末端换热器(7)上方,且储液罐(5)与末端换热器(7)间的距离为1m~4m。3. The air-cooled heat pipe type computer room air-conditioning system according to claim 1 or 2, characterized in that, the liquid storage tank (5) is located above the end heat exchanger (7), and the liquid storage tank (5) The distance from the terminal heat exchanger (7) is 1m to 4m. 4.根据权利要求1所述的风冷式热管型机房空调系统,其特征在于,所述的气泡泵(8)为由垂直于地面的管道和加装在管道上的加热器组成的简易气泡泵。4. The air-cooled heat pipe type computer room air-conditioning system according to claim 1, characterized in that, the air bubble pump (8) is a simple air bubble pump (8) composed of a pipeline perpendicular to the ground and a heater installed on the pipeline Pump. 5.根据权利要求1或4所述的风冷式热管型机房空调系统,其特征在于,所述的气泡泵(8)位于高于末端换热器(7)0~1.5m且垂直于地面的管道上。5. The air-cooled heat pipe type computer room air-conditioning system according to claim 1 or 4, characterized in that the air bubble pump (8) is located 0-1.5m higher than the terminal heat exchanger (7) and perpendicular to the ground on the pipeline. 6.根据权利要求1所述的风冷式热管型机房空调系统,其特征在于,所述的气泡泵(8)在风冷式热管型机房空调系统启动后10min~30min使用。6. The air-cooled heat-pipe computer room air-conditioning system according to claim 1, characterized in that the air bubble pump (8) is used 10-30 minutes after the air-cooled heat-pipe computer room air-conditioning system is started. 7.根据权利要求1所述的风冷式热管型机房空调系统,其特征在于,所述的热管制冷循环回路中并列设置2-20台末端换热器(7)。7. The air-cooled heat pipe type computer room air conditioning system according to claim 1, characterized in that 2-20 terminal heat exchangers (7) are arranged side by side in the heat pipe refrigeration cycle. 8.根据权利要求7所述的风冷式热管型机房空调系统,其特征在于,所述的末端换热器(7)均串联一流量平衡阀(6)。8. The air-cooled heat pipe type computer room air-conditioning system according to claim 7, characterized in that, each of the terminal heat exchangers (7) is connected in series with a flow balance valve (6). 9.根据权利要求1所述的风冷式热管型机房空调系统,其特征在于,所述的压缩制冷循环回路中采用环保工质制冷剂。9. The air-cooled heat pipe type computer room air-conditioning system according to claim 1, characterized in that an environmentally friendly refrigerant is used in the compression refrigeration cycle. 10.根据权利要求1所述的风冷式热管型机房空调系统,其特征在于,所述的热管制冷循环回路中采用非共沸制冷剂。10. The air-cooled heat pipe type computer room air-conditioning system according to claim 1, characterized in that a non-azeotropic refrigerant is used in the heat pipe refrigeration cycle.
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