WO2021109274A1 - 一种服务器抽屉式换热系统 - Google Patents

一种服务器抽屉式换热系统 Download PDF

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Publication number
WO2021109274A1
WO2021109274A1 PCT/CN2019/127024 CN2019127024W WO2021109274A1 WO 2021109274 A1 WO2021109274 A1 WO 2021109274A1 CN 2019127024 W CN2019127024 W CN 2019127024W WO 2021109274 A1 WO2021109274 A1 WO 2021109274A1
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Prior art keywords
water
heat exchange
server
exchange system
drawer
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PCT/CN2019/127024
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English (en)
French (fr)
Inventor
魏芳伟
凌强威
龙锦华
汪广武
耿曼
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Guangzhou Goaland Energy Conservation Tech Co Ltd
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Guangzhou Goaland Energy Conservation Tech Co Ltd
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Publication of WO2021109274A1 publication Critical patent/WO2021109274A1/zh
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20763—Liquid cooling without phase change
    • H05K7/20781—Liquid cooling without phase change within cabinets for removing heat from server blades
    • 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
    • H05K10/00—Arrangements for improving the operating reliability of electronic equipment, e.g. by providing a similar standby unit

Definitions

  • the invention relates to the technical field of heat exchangers, in particular to a server drawer type heat exchange system.
  • the present invention provides a server drawer type heat exchange system, which can effectively solve the problem that the server power density is too concentrated and the heat dissipation space is small, and the heat exchange efficiency cannot be satisfied.
  • the present invention provides a server drawer type heat exchange system, which includes a shell, the bottom of the shell is provided with a baffle, and the outer surface of the shell is welded with reinforcing ribs.
  • a drawer is slidably mounted on the inner bottom surface of the shell and located on both sides of the baffle, and a heat exchange system for heat dissipation of the server is installed in the drawer.
  • the heat exchange system includes a water pump, a plate heat exchanger, and a water tank
  • the water tank is provided with an automatic exhaust valve
  • the water pump bolt is installed on a base provided on the bottom surface of the drawer and located at the front end of the housing, so The water tank is placed at the rear end of the shell and fixed on a fixed block welded on the bottom surface of the drawer by a clamp.
  • the plate heat exchanger is placed between the water pump and the water tank and communicates with the pipes respectively to form a water circulation.
  • the water tank is provided with a first water inlet, a first water outlet, and a return port.
  • the first water outlet of the water tank and the second water inlet of the water pump are connected through a first water pipe, and the top of the water pump is provided with a first water inlet.
  • the two water outlets are connected with a second water pipe.
  • a pressure sensor and a temperature sensor are respectively provided at both ends of the second water delivery pipe, and a filter is provided between the sensors.
  • the temperature sensor monitors the temperature of the coolant entering and exiting the server. By monitoring the temperature, the flow rate entering the server is adjusted to ensure that the server temperature is stable within an acceptable range.
  • the pressure sensor monitors the pressure value of the entire system. When the pressure in the system drops severely , The system automatically alarms, and the standby heat exchange system is switched to work at the same time.
  • the filter can filter larger particles of impurities to ensure the cleanliness of the coolant in the entire system.
  • the return port of the water tank is respectively communicated with two third water inlets provided on the plate heat exchanger through a third water delivery pipe, and the third water delivery pipe is located between the two third water inlets and is provided with an electric tee Valve, the plate heat exchanger is provided with a third water outlet and connected with a fourth water pipe.
  • the electric three-way valve accepts the control system's instructions to open and close, thereby adjusting the coolant flow into the server.
  • a temperature sensor is provided at the end of the third water delivery pipe.
  • the plate heat exchanger is provided with two or more third water inlets, and the same number of third water outlets as the third water inlets are provided.
  • the heat exchange system communicates with the server and the cooling tower through a quick connector installed. It can facilitate the overhaul and maintenance of the heat exchange system without stopping the machine and without leakage.
  • the plate heat exchanger adopts a high-efficiency brazing plate.
  • the cross section of the water tank is cylindrical. It is used to withstand the pressure of the system and ensure that there is always enough liquid to be sucked by the water pump at the inlet of the water pump.
  • the present invention has the beneficial effects that the heat exchange system is provided with two or more than two, which can be pushed and pulled through the drawer and installed inside the shell and installed on the server.
  • the structure is simpler and safer. It is more reliable and can effectively solve the problem that the current server power density is too concentrated and the heat dissipation space is small, which leads to the inability to meet the heat exchange efficiency.
  • Multiple sets of heat exchange systems are placed at the same time, and the control system can automatically perform between the two heat exchange systems according to the actual situation. Seamless switching to ensure long-term stable operation of the server, so that the heat exchange system in one of the drawers can be maintained and overhauled without the server stopping. In a real sense, the inter-column air conditioner in the data center computer room is eliminated to achieve good energy saving. effect.
  • Figure 1 is a schematic diagram of the overall axonometric structure of a server drawer heat exchange system according to the present invention
  • Figure 2 is a top view of a server drawer heat exchange system according to the present invention.
  • Fig. 3 is a schematic diagram of the axonometric structure of a server drawer heat exchange system according to the present invention.
  • Fig. 4 is a schematic diagram of the axonometric structure of a server drawer heat exchange system according to the present invention.
  • Figure 5 is an assembly diagram of a server drawer heat exchange system according to the present invention.
  • Fig. 6 is a water flow chart of a server drawer heat exchange system according to the present invention.
  • a server drawer type heat exchange system as shown in Figures 1-6 includes a housing 1, the bottom of the housing 1 is provided with a baffle, and the outer surface of the housing 1 is welded with reinforcing ribs.
  • a drawer 2 is slidably installed on the inner bottom surface and located on both sides of the baffle.
  • the drawer 2 is equipped with a heat exchange system 3 for server heat dissipation.
  • the heat exchange system 3 is provided with two or more than two heat exchange systems.
  • the drawer 2 can be pushed and pulled inside the housing 1 and installed on the server. The structure is simpler, safer and more reliable.
  • the control system 3 can automatically switch between the two heat exchange systems 3 according to the actual situation to ensure the long-term stable operation of the server.
  • the heat exchange system 3 is connected to the server and the server through the installed quick connector 19
  • the cooling tower is connected, which can facilitate the overhaul and maintenance of the heat exchange system 3 without shutting down or leaking. In a real sense, the inter-column air-conditioning in the data center computer room is eliminated, achieving good energy-saving effects.
  • the heat exchange system 3 includes a water pump 301, a plate heat exchanger 302, and a water tank 303.
  • the water tank 303 is provided with an automatic exhaust valve 304.
  • the water pump 301 is bolted to a base provided on the bottom surface of the drawer 2 and located at the front end of the housing 1.
  • 301 uses an industrial pump or an electronic pump to provide a power source for driving the secondary side coolant circulation.
  • the water tank 303 is placed at the back end of the housing 1 and fixed to a fixed block welded on the bottom surface of the drawer 2 by a clamp.
  • the cross section of the water tank 303 is cylindrical. It is used to withstand the system pressure and ensure that there is always enough liquid to be sucked by the water pump 301 at the inlet of the water pump 301.
  • the plate heat exchanger 302 is placed between the water pump 301 and the water tank 303, and is connected to the pipes to form a water circulation.
  • the heat exchanger 302 adopts a high-efficiency brazing plate, which can exchange heat between water and water, and can also exchange heat with other liquids.
  • the water tank 303 is provided with a first water inlet 4, a first water outlet 5, and a return port 6.
  • the first water outlet 5 of the water tank 303 and the second water inlet 7 of the water pump 301 are connected through a first water pipe 8.
  • the top of the water pump 301 is provided with
  • the second water outlet 9 is connected with a second water pipe 10.
  • the two ends of the second water pipe 10 are respectively provided with a pressure sensor 11 and a temperature sensor 12, and a filter 13 is arranged between the sensors.
  • the temperature sensor 12 monitors the entry and The temperature of the coolant flowing out of the server is monitored by monitoring the temperature to adjust the flow rate into the server to ensure that the server temperature is stable within an acceptable range.
  • the pressure sensor 11 monitors the pressure of the entire system.
  • the filter 13 can filter larger particles of impurities to ensure the cleanliness of the coolant in the entire system.
  • the return port 6 of the water tank 303 is connected to the plate heat exchanger 302 through the third water pipe 14 respectively.
  • the two third water inlets 15 provided on the upper part are connected, the end of the third water pipe 14 is provided with a temperature sensor 12, and the third water pipe 14 is located between the two third water inlets 15 and is provided with an electric three-way valve 16.
  • the three-way valve 16 is opened and closed by receiving the instructions of the control system to adjust the coolant flow into the server.
  • the plate heat exchanger 302 is provided with a third water outlet 17 and connected with a fourth water pipe 18, and on the plate heat exchanger 302 Two or more third water inlets 15 are provided, and the same number of third water outlets 17 as the third water inlets 15 are provided. Each third water outlet 17 is connected with a fourth water pipe 18,
  • the heat exchange system 3 adopts a plate heat exchanger 302 for water-water heat exchange.
  • the heat inside the server is taken out of the server through the coolant and is transported to the plate heat exchanger 302 of the heat exchange system 3 for heat exchange.
  • the heat exchanger 302 takes the heat away from the cold water entering the plate heat exchanger 302 and is driven by the water pump 301 to form a heat exchange cycle.

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

Abstract

本发明公开了一种服务器抽屉式换热系统，包括壳体，该壳体底面设有挡片，其外表面四周焊接有加强筋，所述壳体内部底面且位于挡片的两侧分别滑配安装有屉盒，该屉盒内安装有用于服务器散热的换热系统，能够有效解决因服务器功率密度过于集中，散热空间小，而导致无法满足换热效率的问题。

Description

一种服务器抽屉式换热系统 技术领域
本发明涉及换热器技术领域，尤其涉及一种服务器抽屉式换热系统。
背景技术
服务器从它的发展趋势来看，由于其功能的集成越来越多，芯片发热功率越来越大，散热问题越来越严峻，传统的风冷已经不能解决现在服务器大功率所产生的热量问题，所以液冷将会是未来解决服务器散热问题的更好途径，但是服务器的功率密度过于集中，散热空间小，目前的换热系统的换热效率不能满足服务器的需求，而且服务器只能在停机的状态下才能对换热系统进行维修，从而影响服务器的正常使用。
发明内容
本发明为了克服上述中存在的问题，提供了一种服务器抽屉式换热系统，能够有效解决因服务器功率密度过于集中，散热空间小，而导致无法满足换热效率的问题。
本发明解决其技术问题所采用的技术方案是：本发明提供了一种服务器抽屉式换热系统，包括壳体，该壳体底面设有挡片，其外表面四周焊接有加强筋，所述壳体内部底面且位于挡片的两侧分别滑配安装有屉盒，该屉盒内安装有用于服务器散热的换热系统。
优选的，所述换热系统包括水泵、板式换热器以及水箱，所述水箱上设有自动排气阀，所述水泵螺栓安装在屉盒底面设置的底座上且 位于壳体前端位置，所述水箱置于壳体后端并通过卡箍固定在屉盒底面焊接的固定块上，所述板式换热器置于水泵与水箱之间，并分别与其管道连通从而形成水路循环。
优选的，所述水箱设有第一进水口、第一出水口、回流口，所述水箱的第一出水口与水泵的第二进水口通过第一输水管连通，所述水泵顶部设有第二出水口并连通有第二输水管。
优选的，所述第二输水管的两端分别设有压力传感器以及温度传感器，且位于传感器之间设有过滤器。温度传感器监控进入和流出服务器的冷却液温度，通过对温度的监控，调节进入服务器的流量大小，从而保证服务器温度稳定在可接受范围，压力传感器监控整个系统压力值，当系统内压力下降严重时，系统自动报警，同时切换备用换热系统工作，过滤器能够过滤颗粒较大的杂质，保证整个系统内冷却液的洁净度。
优选的，所述水箱的回流口通过第三输水管分别与板式换热器上设置的两个第三进水口连通，且第三输水管位于两个第三进水口之间设有电动三通阀，所述板式换热器上设有第三出水口并连通有第四输水管。电动三通阀接受控制系统指令进行开合，从而调整进入服务器内部的冷却液流量。
优选的，所述第三输水管的未端设有温度传感器。
优选的，所述板式换热器上设有二个或者二个以上的第三进水口，且设有与第三进水口相同数量的第三出水口。
优选的，所述换热系统通过安装的快速接头与服务器和冷却塔连通。能够在不停机、不泄露情况下方便对换热系统进行检修和维护。
优选的，所述板式换热器采用高效率的钎焊板。
优选的，所述水箱截面呈圆柱形。用以承受系统压力，保证水泵进液口一直有足量液体供水泵吸取。
与现有技术相比，本发明具有的有益效果为：该换热系统设有二个或者二个以上，通过屉盒可推拉的安装在壳体内部并安装在服务器上，结构更简单，安全更可靠，能有效解决现在服务器功率密度过于集中，散热空间小，而导致无法满足换热效率的问题，同时放置多套换热系统，控制系统能根据实际情况自动进行两个换热系统之间无缝切换，保证服务器长时间稳定运行，从而可在服务器不停机情况下，对其中一个屉盒中的换热系统进行维护检修，真正意义上取消了数据中心机房的列间空调，达到良好节能效果。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明所述的一种服务器抽屉式换热系统的整体轴测结构示意图；
图2是本发明所述的一种服务器抽屉式换热系统的俯视图；
图3是本发明所述的一种服务器抽屉式换热系统的轴测结构示意图；
图4是本发明所述的一种服务器抽屉式换热系统的轴测结构示意图；
图5是本发明所述的一种服务器抽屉式换热系统的装配图；
图6是本发明所述的一种服务器抽屉式换热系统的水路流程图。
附图说明：1、壳体；2、屉盒；3、换热系统；301、水泵；302、板式换热器；303、水箱；304、自动排气阀；4、第一进水口；5、第一出水口；6、回流口；7、第二进水口；8、第一输水管；9、第二出水口；10、第二输水管；11、压力传感器；12、温度传感器；13、过滤器；14、第三输水管；15、第三进水口；16、电动三通阀；17、第三出水口；18、第四输水管；19、快速接头。
具体实施方式
现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。
本发明在具体实施如下：如图1‐6所示的一种服务器抽屉式换热系统，包括壳体1，该壳体1底面设有挡片，其外表面四周焊接有加强筋，壳体1内部底面且位于挡片的两侧分别滑配安装有屉盒2，该屉盒2内安装有用于服务器散热的换热系统3，该换热系统3设有二个或者二个以上，通过屉盒2可推拉的安装在壳体1内部并安装在服务器上，结构更简单，安全更可靠，能有效解决现在服务器功率密度过于集中，散热空间小，而导致无法满足换热效率的问题，同时放置多套换热系统3，控制系统3能根据实际情况自动进行两个换热系统3之间无缝切换，保证服务器长时间稳定运行，换热系统3通过安装的快速接头19与服务器和冷却塔连通，能够在不停机、不泄露情况 下方便对换热系统3进行检修和维护，真正意义上取消了数据中心机房的列间空调，达到良好节能效果。
换热系统3包括水泵301、板式换热器302以及水箱303，水箱303上设有自动排气阀304，水泵301螺栓安装在屉盒2底面设置的底座上且位于壳体1前端位置，水泵301采用工业泵或电子泵，为驱动二次侧冷却液循环提供动力源，水箱303置于壳体1后端并通过卡箍固定在屉盒2底面焊接的固定块上，水箱303截面呈圆柱形，用以承受系统压力，保证水泵301进液口一直有足量液体供水泵301吸取，板式换热器302置于水泵301与水箱303之间，并分别与其管道连通从而形成水路循环，板式换热器302采用高效率的钎焊板，能进行水-水换热，也可以用其它液体进行换热。
水箱303设有第一进水口4、第一出水口5、回流口6，水箱303的第一出水口5与水泵301的第二进水口7通过第一输水管8连通，水泵301顶部设有第二出水口9并连通有第二输水管10，第二输水管10的两端分别设有压力传感器11以及温度传感器12，且位于传感器之间设有过滤器13，温度传感器12监控进入和流出服务器的冷却液温度，通过对温度的监控，调节进入服务器的流量大小，从而保证服务器温度稳定在可接受范围，压力传感器11监控整个系统压力值，当系统内压力下降严重时，系统自动报警，同时切换备用换热系统3工作，过滤器13能够过滤颗粒较大的杂质，保证整个系统内冷却液的洁净度，水箱303的回流口6通过第三输水管14分别与板式换热器302上设置的两个第三进水口15连通，第三输水管14的未端 设有温度传感器12，第三输水管14位于两个第三进水口15之间设有电动三通阀16，电动三通阀16接受控制系统指令进行开合，从而调整进入服务器内部的冷却液流量，板式换热器302上设有第三出水口17并连通有第四输水管18，板式换热器302上设有二个或者二个以上的第三进水口15，且设有与第三进水口15相同数量的第三出水口17，每个第三出水口17上均连通有第四输水管18，该换热系统3采用水-水热交换的板式换热器302，服务器内部的热量通过冷却液带出服务器，并输送到该换热系统3的板式换热器302进行热交换，通过板式换热器302将热量由进入板式换热器302的冷水带走，并由水泵301作为驱动，形成换热循环。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。

Claims (10)

  1. 一种服务器抽屉式换热系统，其特征在于：包括壳体，该壳体底面设有挡片，其外表面四周焊接有加强筋，所述壳体内部底面且位于挡片的两侧分别滑配安装有屉盒，该屉盒内安装有用于服务器散热的换热系统。
  2. 根据权利要求1所述的一种服务器抽屉式换热系统，其特征在于：所述换热系统包括水泵、板式换热器以及水箱，所述水箱上设有自动排气阀，所述水泵螺栓安装在屉盒底面设置的底座上且位于壳体前端位置，所述水箱置于壳体后端并通过卡箍固定在屉盒底面焊接的固定块上，所述板式换热器置于水泵与水箱之间，并分别与其管道连通从而形成水路循环。
  3. 根据权利要求2所述的一种服务器抽屉式换热系统，其特征在于：所述水箱设有第一进水口、第一出水口、回流口，所述水箱的第一出水口与水泵的第二进水口通过第一输水管连通，所述水泵顶部设有第二出水口并连通有第二输水管。
  4. 根据权利要求3所述的一种服务器抽屉式换热系统，其特征在于：所述第二输水管的两端分别设有压力传感器以及温度传感器，且位于传感器之间设有过滤器。
  5. 根据权利要求2所述的一种服务器抽屉式换热系统，其特征在于：所述水箱的回流口通过第三输水管分别与板式换热器上设置的两个第三进水口连通，且第三输水管位于两个第三进水口之间设有电动三通阀，所述板式换热器上设有第三出水口并连通有第四输水管。
  6. 根据权利要求5所述的一种服务器抽屉式换热系统，其特征在于：所述第三输水管道的未端设有温度传感器。
  7. 根据权利要求2所述的一种服务器抽屉式换热系统，其特征在于：所述板式换热器上设有二个或者二个以上的第三进水口，且设有与第三进水口相同数量的第三出水口。
  8. 根据权利要求2所述的一种服务器抽屉式换热系统，其特征在于：所述换热系统通过安装的快速接头与服务器和冷却塔连通。
  9. 根据权利要求2所述的一种服务器抽屉式换热系统，其特征在于：所述板式换热器采用高效率的钎焊板。
  10. 根据权利要求2所述的一种服务器抽屉式换热系统，其特征在于：所述水箱截面呈圆柱形。
PCT/CN2019/127024 2019-12-03 2019-12-20 一种服务器抽屉式换热系统 Ceased WO2021109274A1 (zh)

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