WO2023185225A1 - 散热系统及电子设备 - Google Patents

散热系统及电子设备 Download PDF

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Publication number
WO2023185225A1
WO2023185225A1 PCT/CN2023/072940 CN2023072940W WO2023185225A1 WO 2023185225 A1 WO2023185225 A1 WO 2023185225A1 CN 2023072940 W CN2023072940 W CN 2023072940W WO 2023185225 A1 WO2023185225 A1 WO 2023185225A1
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WIPO (PCT)
Prior art keywords
air duct
heat dissipation
dissipation system
heat exchanger
cabinet
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PCT/CN2023/072940
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English (en)
French (fr)
Inventor
吴圣美
王志达
张显明
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ZTE Corp
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ZTE Corp
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Publication of WO2023185225A1 publication Critical patent/WO2023185225A1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present disclosure relates to the technical field of equipment heat dissipation, and in particular, to a heat dissipation system and electronic equipment.
  • Air cooling equipment has an air inlet and an air outlet. Low-temperature air enters the equipment from the air inlet of the equipment. After passing through the high-temperature components of the equipment, the air temperature rises and takes away the heat, and is discharged from the equipment through the air outlet. If two or more heating devices are connected in series, the heat generated by the previous device will affect the air temperature at the air inlet of the downstream device and worsen the heat dissipation effect of the downstream device.
  • air-cooling equipment uses a parallel design of air ducts, which means that low-temperature air enters two or more heating devices respectively. The air temperature rises and takes away the heat, and is discharged from the air outlets of two or more devices. At present, when this kind of parallel cooling air duct is used, the air flows in and out of the equipment, causing the fan noise to be directly discharged into the computer room. The noise inside the computer room is high and the energy consumption is high.
  • the purpose of this disclosure is to provide a heat dissipation system and a heat dissipation system.
  • Embodiments of the present disclosure provide a heat dissipation system for dissipating heat from a cabinet.
  • a heating device is provided in the cabinet.
  • the heat dissipation system includes a hot air duct, a cold air duct disposed outside the hot air duct, and a cold air duct disposed outside the hot air duct.
  • the fan and heat exchanger inside the hot air duct, the heating device is arranged in the hot air duct, and is arranged in series with the fan and the heat exchanger along the air flow direction, and the hot air duct is at the beginning and end of the cold air duct. Connected to form a series circulation air path.
  • An embodiment of the present disclosure provides an electronic device, including: a cabinet with a heating device provided inside; and a heat dissipation system as described above.
  • Figure 1 shows a side structural schematic diagram of the heat dissipation system in the cabinet provided by an embodiment of the present disclosure
  • Figure 2 shows a schematic front structural view of the heat dissipation system in the cabinet provided by an embodiment of the present disclosure
  • Figure 3 shows a schematic top view of the cold air duct and hot air duct in the cabinet provided by the embodiment of the present disclosure
  • FIG. 4 shows a schematic structural diagram of a heat dissipation system provided by an embodiment of the present disclosure.
  • Figure 1 shows a schematic side structural view of the heat dissipation system in the cabinet provided by an embodiment of the present disclosure
  • Figure 2 shows a schematic front structural view of the heat dissipation system in the cabinet provided by an embodiment of the present disclosure
  • Figure 3 shows a schematic structural view of the cabinet provided by an embodiment of the present disclosure.
  • Figure 4 shows a schematic structural view of a heat dissipation system provided by an embodiment of the present disclosure.
  • the embodiment of the present disclosure provides a heat dissipation system for heat dissipation of a cabinet 1.
  • a heating device 2 is provided in the cabinet 1.
  • the heat dissipation system includes: a hot air duct 3, which is arranged outside the hot air duct 3.
  • the cold air duct 4 and the fan 5 and the heat exchanger 6 are arranged inside the hot air duct 3.
  • the heating device 2 is arranged in the hot air duct 3 and is arranged in series with the fan 5 and the heat exchanger 6 along the air flow direction.
  • the hot air duct 3 is connected to the hot air duct 3.
  • the cold air ducts 4 are connected end to end to form a series circulation air path.
  • the cooling cabinet 1 mostly adopts direct ventilation, that is, the air enters the cabinet 1 and is discharged from the cabinet 1.
  • the cabinet 1 itself does not have a three-proof design, so the computer room needs to be dust-proof, moisture-proof, and mold-proof. design.
  • the cold air duct 4 and the hot air duct 3 form a series circulation air path, and the air inside the cabinet 1 and the air outside the cabinet 1 do not affect each other.
  • the three-proof performance is good and the reliability of the equipment is improved.
  • a parallel air duct design is adopted.
  • the layout of the cabinet 1 is limited by the hot and cold air ducts, and the heat dissipation effect is affected by the layout. That is, the air inlet of the cabinet 1 needs to be aligned with the cold air outlet in the computer room so that the cold air can enter the cabinet 1.
  • the heat dissipation system in this disclosure uses the heat exchanger 6.
  • the heat dissipation of the cabinet 1 does not depend on the heat dissipation equipment in the computer room.
  • the layout in the computer room is not restricted by hot and cold air ducts, and the layout is more flexible.
  • the related technology uses a parallel air duct design.
  • the indoor air conditioner occupies the effective space of the computer room, and the equipment layout density is low.
  • the heat dissipation of the cabinet 1 does not depend on the heat dissipation equipment in the computer room. There is no need to lay out heat dissipation equipment in the computer room, saving space and improving layout density.
  • the cold air duct 4 and the hot air duct 3 are connected end to end to form a series circulation air path.
  • the fan 5 drives the air flow in the series circulation air path.
  • the heat exchanger 6 cools the air in the series circulation air path. After cooling, The air dissipates heat to the heating device 2.
  • the series circulation air duct formed in this disclosure seals the air, thereby isolating the noise inside the cabinet 1 and reducing the noise.
  • the fan 5 is installed between the heating device 2 and the heat exchanger 6 to produce a resistive noise reduction effect to further reduce the noise.
  • the present disclosure can use a series design structure to make the air after passing through the equipment The airflow with reduced wind pressure is fully utilized, thereby saving heat dissipation energy consumption.
  • the fan 5 is disposed between the heating device 2 and the heat exchanger 6. Since both the heating device 2 and the heat exchanger 6 have complex structures inside, the noise generated by the fan 5 can be silenced. .
  • the housing of the heating device 2 , the housing of the fan 5 and the housing of the heat exchanger 6 form a hot air duct 3 .
  • a certain degree of sealing is ensured between the casing of the heating device 2, the casing of the fan 5 and the casing of the heat exchanger 6, that is, the air in the hot air duct 3 can only enter and exit through the two ends of the hot air duct 3 to avoid the cold air duct 4 and
  • the air in the hot air duct 3 circulates with each other through the gaps at the connections between the heating device 2, the fan 5 and the heat exchanger 6.
  • the casing of the heating device 2, the casing of the fan 5 and the casing of the heat exchanger 6 form a hot air duct 3.
  • the air outlet of the heating device 2 is connected to the air inlet of the fan 5, and the air outlet of the fan 5 is connected to the air inlet of the fan 5.
  • the air inlet of heat exchanger 6 is connected.
  • a horizontal slide is provided inside the cabinet 1, and the heating device 2, the fan 5 and the heat exchanger 6 are all slidably arranged on the slide inside the cabinet 1, so as to facilitate the control of the heating device 2, the fan 5 and the heat exchanger 6.
  • Heat exchanger 6 is disassembled and maintained for maintenance.
  • cross beams may also be provided inside the cabinet 1 , and the heating device 2 , the fan 5 and the heat exchanger 6 are detachably disposed on the cross beams inside the cabinet 1 .
  • a cold air channel 4 is formed between the housing of the heating device 2 , the housing of the fan 5 , the housing of the heat exchanger 6 and the side wall of the cabinet 1 .
  • the shells of the heating device 2, the fan 5, and the heat exchanger 6 have the same dimensions and specifications. It is ensured that after the installation is in place, the shells of the heating device 2, the fan 5, and the heat exchanger 6 are consistent with the shells.
  • a relatively regular cold air duct 4 can be formed between the side walls of the cabinet 1 .
  • the casings of the heating device 2, the fan 5 and the heat exchanger 6 can also be different to ensure that the cold air duct 4 and the hot air duct 3 are separated, and only the two ends of the cold air duct 4 are separated from the hot air duct 4 respectively. Just connect the two ends of track 3.
  • the cold air ducts 4 are distributed around the hot air duct 3 .
  • the cold air ducts 4 may also be distributed on three, two or one side of the outer peripheral side of the hot air duct 3 .
  • the number of heating devices 2 is equal to the number of heat exchangers 6 , and at least two heating devices 2 are provided.
  • the number of heating devices 2 and heat exchangers 6 in this disclosure is two.
  • the air in the cold air duct 4 enters the hot air duct 3 and first passes through the first heating device 2 , the first fan 5 and The cooled air in the first heat exchanger 6 then enters the second heating device 2, the second fan 5 and the second heat exchanger 6 to realize heat dissipation of the second device, and passes through the second heat exchanger 6
  • the cooled air enters the cold air duct 4.
  • the number of fans 5 is equal to the number of heating devices 2 .
  • the air in the series circulation air path passes through a heating device 2, the wind force will be attenuated to a certain extent, so a fan 5 is installed between the heating device 2 and the heat exchanger 6.
  • the fan 5 and the heat exchanger 6 Match the number of heating devices 2 to ensure that the wind force in each series circulation air path is balanced, and this form of arranging the fan 5 between the heating device 2 and the heat exchanger 6 can effectively reduce the noise generated by the fan 5 Absorb and reduce noise.
  • the number of fans 5 is smaller than the number of heating devices 2 .
  • the number of fans 5 can be appropriately reduced, as long as the wind power in the series circulation air duct is ensured, but at this time the fans 5 still need to be arranged at between heating device 2 and heat exchanger 6.
  • the heat dissipation system may also include a dry cooler and/or cooling tower 7 that is connected to the heat exchanger 6 .
  • heat is directly exchanged with the heat exchanger through the dry cooler and/or cooling tower 7, thereby directly carrying the heat of the heating device 2 to the outdoors.
  • the dry cooler and/or cooling tower 7 is used to provide cooling medium to the heat exchanger, and cool the hot air in the series circulation air path through the heat exchanger 6 to ensure that the air entering the heating device 2 has a lower temperature. Can ensure the heat dissipation effect.
  • the heat exchanger 6 has a gas channel and a liquid channel, the gas channel is connected to the hot air channel 3 , and the liquid channel is connected to the dry cooler and/or cooling tower 7 .
  • the heat exchanger 6 adopts a gas-liquid heat exchanger 6.
  • the air in the series circulation air path is connected with the gas channel.
  • the air in the gas channel and the medium in the liquid channel exchange heat to achieve the conversion of the air in the series circulation air path. Cool down.
  • the heat dissipation system also includes a circulation pump 8 disposed between the heat exchanger 6 and the dry cooler and/or cooling tower 7.
  • the heat exchanger 6, circulation pump 8 and dry cooler and /Or the cooling tower 7 forms a series circulating working fluid loop.
  • the cooling working fluid in the dry cooler and/or cooling tower is pumped into the heat exchanger 6 through the circulation pump 8, and the series circulation is The air in the circulating air path is cooled, and the cooling fluid temperature rises and then returns to the dry cooler and/or cooling tower 7 for heat dissipation. After cooling, it is pumped into the heat exchanger 6 again.
  • the heat exchanger 6 in this disclosure may be of coil-fin structure, or may be of plate type or spray type, and the form of the heat exchanger 6 is not limited.
  • the cold air duct 4 and the hot air duct 3 of the cooling system are connected end to end to form a series circulation air path.
  • the fan 5 drives the air flow in the series circulation air path.
  • the heat exchanger 6 cools the air in the series circulation air path. After cooling, The air dissipates heat to the heating device 2.
  • the series circulation air duct formed in this disclosure seals the air, thereby isolating the noise inside the cabinet 1 and reducing the noise.
  • the fan 5 is installed between the heating device 2 and the heat exchanger 6 to produce a resistive noise reduction effect to further reduce the noise.
  • the embodiment of the present disclosure also provides an electronic device, including: a cabinet 1, a heating device 2 is provided inside the cabinet 1; and the heat dissipation system as before.
  • the internal heat dissipation of the cabinet 1 relies on the air conditioning equipment inside the computer room. Due to the uneven distribution of hot spots in the cabinet 1 and the existence of short circuits in the hot and cold air ducts 3 in the computer room, the heat dissipation efficiency of the computer room is not high and the energy consumption is high. .
  • the heat dissipation system in the present disclosure can directly transfer the heat on the cabinet 1 to the outside of the computer room. The heat transfer efficiency is high, the heat dissipation effect is improved, and the energy consumption is reduced.
  • references in the specification to "one embodiment,” “an embodiment,” “exemplary embodiments,” “some embodiments,” etc. mean that the described embodiments may include specific features, structures or characteristics, but not necessarily Each embodiment includes this particular feature, structure, or characteristic. Furthermore, such phrases are not necessarily referring to the same embodiment. Furthermore, where a particular feature, structure or characteristic is described in connection with an embodiment, it is within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments, explicitly or not explicitly described.
  • spatially relative terms may be used herein for ease of explanation, such as “below,””below,””below,””above,””above,” etc., to describe the relative position of one element or feature to other elements or features. relationship shown. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation illustrated in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本公开涉及设备散热技术领域，尤其涉及一种散热系统及电子设备，该散热系统用于对机柜进行散热，机柜内设置有发热设备，散热系统包括：热风道、设置于热风道外侧的冷风道以及设置于热风道内部的风机和热交换器，发热设备设置于热风道内，且与风机、热交换器沿空气流动方向串联设置，热风道与冷风道首尾相连形成串联循环风路。

Description

散热系统及电子设备
相关申请的交叉引用
本公开要求享有2022年03月31日提交的名称为“散热系统及电子设备”的中国专利申请CN202220746673.1的优先权，其全部内容通过引用并入本公开中。
技术领域
本公开涉及设备散热技术领域，尤其涉及一种散热系统及电子设备。
背景技术
风冷设备都有进风口和出风口，低温空气从设备的进风口进入设备，经过设备高温部件，空气温度升高带走热量，由出风口排出设备。两个或者两个以上发热设备风道串联，前一个设备发热会影响下游设备进风口空气温度，恶化下游设备散热效果。目前风冷设备都使用风道并联的设计方案，即使得低温空气分别进入两个或者两个以上发热设备中，空气温度升高带走热量，由两个或者两个以上设备的出风口排出。目前这种并联散热风道在应用时，空气进出设备使得风机噪声直接排放到机房内，机房内部噪声较高，能耗较高。
发明内容
本公开的目的在于提供一种散热系统及散热系统。
本公开实施例提供了一种散热系统，用于对机柜进行散热，所述机柜内设置有发热设备，所述散热系统包括：热风道、设置于所述热风道外侧的冷风道以及设置于所述热风道内部的风机和热交换器，所述发热设备设置于所述热风道内，且与所述风机、所述热交换器沿空气流动方向串联设置，所述热风道与所述冷风道首尾相连形成串联循环风路。
本公开实施例提供了一种电子设备，包括：机柜，所述机柜具的内部设置有发热设备；以及如前所述的散热系统。
附图说明
为了更清楚地说明本公开实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，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。另外，在附图中，相同的部件使用相同的附图标记，且附图并未按照实 际的比例绘制。
图1示出本公开实施例提供的机柜内散热系统的侧视结构示意图；
图2示出本公开实施例提供的机柜内散热系统的正视结构示意图；
图3示出本公开实施例提供的机柜内冷风道和热风道的俯视结构示意图；
图4示出本公开实施例提供的一种散热系统的结构示意图。
附图标记说明：
1、机柜；2、发热设备；3、热风道；4、冷风道；5、风机；6、热交换器；7、干冷器和/或冷却塔；8、循环泵。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
图1示出本公开实施例提供的机柜内散热系统的侧视结构示意图；图2示出本公开实施例提供的机柜内散热系统的正视结构示意图；图3示出本公开实施例提供的机柜内冷风道和热风道的俯视结构示意图；图4示出本公开实施例提供的一种散热系统的结构示意图。
如图1至图4所示，本公开实施例提供一种散热系统，用于对机柜1进行散热，机柜1内设置有发热设备2，散热系统包括：热风道3、设置于热风道3外侧的冷风道4以及设置于热风道3内部的风机5和热交换器6，发热设备2设置于热风道3内，且与风机5、热交换器6沿空气流动方向串联设置，热风道3与冷风道4首尾相连形成串联循环风路。
相关技术中采用并联风道设计，散热机柜1多采用直通风，即空气进入机柜1并从机柜1排出，机柜1自身没有三防设计，所以需要机房做好防尘、防潮和防霉菌三防设计。本公开中通过冷风道4和热风道3形成串联循环风路，机柜1内的空气与机柜1外部的空气互不影响，三防性能好，提高设备使用可靠性。
相关技术中采用并联风道设计，机柜1布局受冷热风道限制，散热效果受布局影响，即需要机柜1的进风口对准机房内的冷风出口，以便冷风进入机柜1内。而本公开中的散热系统使用热交换器6，机柜1散热不依赖于机房内的散热设备，在机房中布局不受冷热风道的限制，布局更加灵活。
另外，相关技术中采用并联风道设计，室内空调占用机房有效空间，设备布局密度较低。 本公开中的散热系统，机柜1散热不依赖于机房内的散热设备，机房内无需布局散热设备，节省空间，提高布局密度。
本公开中，冷风道4和热风道3首尾相连形成串联循环风路，风机5带动串联循环风路中的空气流动，热交换器6对串联循环风路中的空气进行冷却降温，降温后的空气对发热设备2进行散热，相比于相关技术中的并联风道直接将风排放到机柜1外部，本公开中形成的串联循环风路将空气封闭，从而将噪声隔离在机柜1内部，降低噪声，同时风机5设置于发热设备2和热交换器6之间，产生阻抗性消声降噪效果，进一步降低噪声。
另外，在风速和流量一定时，设备进出风口的压差一定，相比于相关技术中机柜进风口进风出风口排风的设计结构，本公开通过采用串联的设计结构，可以将经过设备后风压减小的气流充分利用，从而节省散热能耗。
在一实施方式中，风机5设置于发热设备2和热交换器6之间，由于发热设备2和热交换器6的内部均存在复杂的结构，可以对风机5产生的噪音产生消声的效果。
在一些实施例中，发热设备2的壳体、风机5的壳体和热交换器6的壳体围合成热风道3。发热设备2的壳体、风机5的壳体和热交换器6的壳体之间保证一定的密封性，即热风道3的空气只可以通过热风道3的两端进出，避免冷风道4和热风道3中的空气通过发热设备2、风机5和热交换器6连接处的缝隙互相流通。
本公开中，发热设备2的壳体、风机5的壳体和热交换器6的壳体围合成热风道3，发热设备2的出风口与风机5的进风口连通，风机5的出风口与热交换器6的进风口连通。
在一实施方式中，机柜1的内部设置有水平方向的滑道，发热设备2、风机5和热交换器6均滑动设置于机柜1内部的滑道上，以便于对发热设备2、风机5和热交换器6进行拆装维护。
在一实施方式中，机柜1的内部还可以设置横梁，发热设备2、风机5和热交换器6可拆卸设置于机柜1内部的横梁上。
在一些实施例中，发热设备2的壳体、风机5的壳体和热交换器6的壳体与机柜1的侧壁之间形成冷风道4。
本公开中，发热设备2的壳体、风机5的壳体和热交换器6的壳体与机柜1的侧壁之间留有间隙，此间隙形成冷风道4，热风道3底部的出风进入冷风道4内，然后由冷风道4流动再次进入热风道3的另一端，实现机柜1内部空气的循环流动。
在一实施方式中，发热设备2的外壳、风机5的外壳和热交换器6的外壳尺寸规格一致，保证安装到位后，发热设备2的外壳、风机5的外壳和热交换器6的外壳与机柜1的侧壁之间可以形成比较规整的冷风道4。
在一实施方式中，发热设备2的外壳、风机5的外壳和热交换器6的外壳也可以存在差异，保证将冷风道4和热风道3隔开，只冷风道4的两端分别与热风道3的两端连通即可。
如图3所示，在一实施方式中，冷风道4分布于热风道3的四周。
在一实施方式中，冷风道4也可以分布于热风道3外周侧的三面、两面或者一面。
在一些实施例中，发热设备2的数量与热交换器6的数量相等，发热设备2至少设置两个。
在一实施方式中，本公开中发热设备2和热交换器6的数量均为两个，冷风道4中的空气进入热风道3中首先经过第一个发热设备2、第一个风机5和第一个热交换器6，经过冷却的空气再进入第二个发热设备2、第二个风机5和第二个热交换器6，实现对第二设备的散热，经过第二热交换器6的冷却降温后的空气进入冷风道4。
在一些实施例中，风机5的数量与发热设备2的数量的相等。
本公开中，由于串联循环风路中的空气在经过一个发热设备2后，风力会受到一定的衰减，所以在发热设备2和热交换器6之间设置风机5，风机5、热交换器6和发热设备2的数量相匹配，保证每个串联循环风路中风力大小均衡，而且此种将风机5设置在发热设备2和热交换器6之间的形式，可以有效将风机5产生的噪音吸收，降低噪音。
在一些实施例中，风机5的数量小于发热设备2的数量。
本实施例中，对于机柜1内发热设备2对风力的阻碍较小的情况，可以适当减少风机5的数量，只要保证串联循环风道内的风力即可，但是此时的风机5仍然要设置于发热设备2和热交换器6之间。
在一些实施例中，散热系统还可以包括与热交换器6连通设置的干冷器和/或冷却塔7。
本公开中，通过干冷器和/或冷却塔7与热换热器直接进行换热，从而将发热设备2的热量直接携带到室外。干冷器和/或冷却塔7用以向热换热器中提供冷却介质，通过热交换器6对串联循环风路中的热空气降温，保证进入发热设备2的空气均具有较低的温度，可以保证散热效果。
在一些实施例中，热交换器6具有气体通道和液体通道，气体通道与热风道3连通，液体通道与干冷器和/或冷却塔7连通。
本公开中，热交换器6采用气液热交换器6，串联循环风路的空气与气体通道连通，气体通道中的空气与液体通道中的介质进行换热实现对串联循环风路中空气的降温。
如图4所示，在一些实施例中，散热系统还包括设置于热交换器6与干冷器和/或冷却塔7之间的循环泵8，热交换器6、循环泵8和干冷器和/或冷却塔7组成串联循环工质回路。
本公开中，通过循环泵8将干冷器和/冷却塔中的冷却工质泵送进热交换器6中，对串联循 环风路中的空气进行降温，冷却工质温度升高后返回干冷器和/或冷却塔7中进行散热，降温后再次泵送进热交换器6中。
本公开中的热交换器6可以为盘管翅片结构，也可以为板式或者喷淋式，不对热交换器6的形式做限制。
该散热系统的冷风道4和热风道3首尾相连形成串联循环风路，风机5带动串联循环风路中的空气流动，热交换器6对串联循环风路中的空气进行冷却降温，降温后的空气对发热设备2进行散热，相比于相关技术中的并联风道直接将风排放到机柜1外部，本公开中形成的串联循环风路将空气封闭，从而将噪声隔离在机柜1内部，降低噪声，同时风机5设置于发热设备2和热交换器6之间，产生阻抗性消声降噪效果，进一步降低噪声。
本公开实施例还提供了一种电子设备，包括：机柜1，机柜1的内部设置有发热设备2；以及如前的散热系统。
相关技术中采用并联风道设计，机柜1内部散热依靠机房内部空调设备，由于机柜1热点分布不均，加上机房冷热风道3有短路存在，使得机房散热效率不高，能耗较高。本公开中的散热系统，可以将机柜1上的热量直接传递到机房外部，热传递效率高，提高散热效果，降低能耗。
应当指出，在说明书中提到的“一个实施例”、“实施例”、“示例性实施例”、“一些实施例”等表示所述的实施例可以包括特定特征、结构或特性，但未必每个实施例都包括该特定特征、结构或特性。此外，这样的短语未必是指同一实施例。此外，在结合实施例描述特定特征、结构或特性时，结合明确或未明确描述的其他实施例实现这样的特征、结构或特性处于本领域技术人员的知识范围之内。
应当容易地理解，应当按照最宽的方式解释本公开中的“在……上”、“在……以上”和“在……之上”，以使得“在……上”不仅意味着“直接处于某物上”，还包括“在某物上”且其间具有中间特征或层的含义，并且“在……以上”或者“在……之上”不仅包括“在某物以上”或“之上”的含义，还可以包括“在某物以上”或“之上”且其间没有中间特征或层(即，直接处于某物上)的含义。
此外，文中为了便于说明可以使用空间相对术语，例如，“下面”、“以下”、“下方”、“以上”、“上方”等，以描述一个元件或特征相对于其他元件或特征的如图所示的关系。空间相对术语意在包含除了附图所示的取向之外的处于使用或操作中的器件的不同取向。装置可以具有其他取向(旋转90度或者处于其他取向上)，并且文中使用的空间相对描述词可以同样被相应地解释。
在本文中，诸如“第一”和“第二”等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
最后应说明的是：以上各实施例仅用以说明本公开的技术方案，而非对其限制；尽管参照前述各实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的范围。

Claims (10)

  1. 一种散热系统，用于对机柜进行散热，所述机柜内设置有发热设备，其中，所述散热系统包括：热风道、设置于所述热风道外侧的冷风道以及设置于所述热风道内部的风机和热交换器，所述发热设备设置于所述热风道内，且与所述风机、所述热交换器沿空气流动方向串联设置，所述热风道与所述冷风道首尾相连形成串联循环风路。
  2. 根据权利要求1所述的散热系统，其中，所述发热设备的壳体、所述风机的壳体和所述热交换器的壳体围合成所述热风道。
  3. 根据权利要求1所述的散热系统，其中，所述发热设备的壳体、所述风机的壳体和所述热交换器的壳体与所述机柜的侧壁之间形成所述冷风道。
  4. 根据权利要求1所述的散热系统，其中，所述发热设备的数量与所述热交换器的数量相等，所述发热设备至少设置两个。
  5. 根据权利要求4所述的散热系统，其中，所述风机的数量与所述发热设备的数量的相等。
  6. 根据权利要求4所述的散热系统，其中，所述风机的数量小于所述发热设备的数量。
  7. 根据权利要求1所述的散热系统，其中，所述散热系统还包括与所述热交换器连通设置的干冷器和/或冷却塔。
  8. 根据权利要求7所述的散热系统，其中，所述热交换器具有气体通道和液体通道，所述气体通道与所述热风道连通，所述液体通道与所述干冷器和/或冷却塔连通。
  9. 根据权利要求7所述的散热系统，其中，所述散热系统还包括设置于所述热交换器与所述干冷器和/或冷却塔之间的循环泵，所述热交换器、所述循环泵和所述干冷器和/或冷却塔组成串联循环工质回路。
  10. 一种电子设备，其中，包括：
    机柜，所述机柜的内部设置有发热设备；以及
    如权利要求1至9任一项所述的散热系统。
PCT/CN2023/072940 2022-03-31 2023-01-18 散热系统及电子设备 Ceased WO2023185225A1 (zh)

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