TW201947350A - Water cooling system using for rack server - Google Patents

Water cooling system using for rack server Download PDF

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Publication number
TW201947350A
TW201947350A TW107116677A TW107116677A TW201947350A TW 201947350 A TW201947350 A TW 201947350A TW 107116677 A TW107116677 A TW 107116677A TW 107116677 A TW107116677 A TW 107116677A TW 201947350 A TW201947350 A TW 201947350A
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Taiwan
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liquid
cooling
primary
pipe
input
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TW107116677A
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Chinese (zh)
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趙秀華
徐繼彭
王家斌
薛冬銳
張連飛
項品義
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英業達股份有限公司
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Priority to TW107116677A priority Critical patent/TW201947350A/en
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Abstract

A water cooling system using for rack server is included with first side liquid circulation pipeline, cooling distribution control device and second side liquid circulation pipeline. The first side liquid circulation pipeline connects with water inlet device. The cooling distribution control device connects with the first side liquid circulation pipeline. The second side liquid circulation pipeline connects with the cooling distribution control device and at least one rack server respectively. The rack server is cooled through water cooling by the water cooling system of the application. The efficiency ratio of the water cooling system is under 1.3. The water cooling system is almost no noise. Water temperature of cooling water is not low temperature for the water cooling system. The water cooling system is using natural cold source. The water cooling system is using cooling tower for heat dissipation requirement.

Description

用於機櫃伺服器的液冷系統Liquid cooling system for cabinet server

一種機櫃伺服器系統,尤其是指一種用於機櫃伺服器的液冷系統。A cabinet server system, particularly a liquid cooling system for a cabinet server.

目前資料中心,絕大多數是使用風冷型空調系統對機櫃伺服器進行冷卻散熱,風冷型空調系統利用風扇的轉動帶動空氣流動,從而帶走機櫃伺服器的熱量。從冷卻的角度看,風冷冷卻主要能耗產生於風冷室外冷凝器,空調及壓縮機等,導致單機系統的能效比較低,目前業界常用的風冷方式能效比(Power Usage Effectiveness,PUE)約為1.5-2.0。At present, most data centers use air-cooled air-conditioning systems to cool and cool cabinet servers. Air-cooled air-conditioning systems use the rotation of fans to drive air flow, thereby taking away the heat from the cabinet servers. From a cooling point of view, the main energy consumption of air-cooled cooling is generated by air-cooled outdoor condensers, air conditioners and compressors, which results in low energy efficiency of the single-machine system. Currently, the industry's commonly used air-cooled cooling method (Power Usage Effectiveness, PUE) About 1.5-2.0.

常規的風冷散熱技術相對比較成熟,風冷散熱所帶來的風機耗能劇增以及雜訊問題,已嚴重阻礙了電腦性能的提高。研究表明,換熱係數與風速關係為h∝u0.8,壓力損失與風速的關係為ΔP∝u 2,產生的雜訊與風速的關係為U∝u 5,這將無法滿足高性能電腦發展的要求。此外,對於高性能伺服器,由於CPU/DIMM等的功耗增加,以及具有較強計算與存儲性能的擴展卡的引入,散熱問題也成為伺服器設計與應用的一個極大挑戰。對於超高功率密度的資料中心來說,風冷技術難以實現對系統的高效散熱。Conventional air-cooled cooling technology is relatively mature. The drastic increase in fan power consumption and noise problems caused by air-cooled cooling have seriously hindered the improvement of computer performance. Research shows that the relationship between heat transfer coefficient and wind speed is h∝u0.8, the relationship between pressure loss and wind speed is ΔP∝u 2, and the relationship between generated noise and wind speed is U∝u 5, which will not meet the development of high-performance computers Requirements. In addition, for high-performance servers, due to the increased power consumption of CPU / DIMMs and the introduction of expansion cards with strong computing and storage performance, heat dissipation issues have also become a great challenge for server design and application. For ultra-high power density data centers, air cooling technology is difficult to achieve efficient cooling of the system.

本申請的主要目的在於提供一種用於機櫃伺服器的液冷系統,以解決現有技術存在風冷冷卻難以實現對系統的高校散熱等問題。The main purpose of the present application is to provide a liquid cooling system for a cabinet server, so as to solve the problems in the prior art that air-cooled cooling makes it difficult to achieve high-level heat dissipation of the system.

為了解決上述技術問題,本申請是這樣實現的:In order to solve the above technical problems, this application is implemented as follows:

提供一種用於機櫃伺服器的液冷系統,其包括:一次側液體循環管路,其連接進水設備;冷卻分配控制裝置,其連接一次側液體循環管路;以及 二次側液體循環管路,其連接冷卻分配控制裝置及至少一個機櫃伺服器;其中一次側液體循環管路輸入第一冷卻液體至冷卻分配控制裝置,二次側液體循環管路輸入第二冷卻液體至每一個機櫃伺服器,第二冷卻液體流經對應的機櫃伺服器的至少一個伺服器,機櫃伺服器輸出待降溫液體至二次側液體循環管路,待降溫液體經二次側液體循環管路至冷卻分配控制裝置,第一冷卻液體與待降溫液體於所卻分配控制裝置內進行熱交換,冷卻分配控制裝置提供經熱交換的冷卻液體至二次側液體循環管路。Provided is a liquid cooling system for a cabinet server, which includes: a primary liquid circulation pipeline connected to a water inlet device; a cooling distribution control device connected to a primary liquid circulation pipeline; and a secondary liquid circulation pipeline , Which is connected to the cooling distribution control device and at least one cabinet server; wherein the primary liquid circulation pipeline inputs the first cooling liquid to the cooling distribution control device, and the secondary liquid circulation pipeline inputs the second cooling liquid to each cabinet server , The second cooling liquid flows through at least one server of the corresponding cabinet server, and the cabinet server outputs the liquid to be cooled to the secondary liquid circulation pipeline, and the liquid to be cooled is sent to the cooling distribution control device through the secondary liquid circulation pipeline The first cooling liquid and the liquid to be cooled perform heat exchange in the distribution control device, and the cooling distribution control device provides the heat exchanged cooling liquid to the secondary-side liquid circulation pipeline.

在本申請實施例中,通過液冷方式冷卻機櫃伺服器,液冷系統的能效比在1.3以下,幾乎沒有噪音,無需低進水溫度,充分利用自然冷源,使用冷卻塔可滿足散熱需求。本申請使用液冷方式進行冷卻,減少空調系統的設置,液冷系統佔用機櫃伺服器的空間小,讓機櫃伺服器中能容納更多的伺服器。然本申請的液冷系統的冷卻能力好,提高機資料中心的熱流密度,節省占地面積,同時不受海拔和地域的限制,在任何地方均能正常工作。In the embodiment of the present application, the cabinet server is cooled by liquid cooling. The energy efficiency ratio of the liquid cooling system is less than 1.3, there is almost no noise, there is no need to lower the water temperature, the natural cooling source is fully utilized, and the cooling tower can meet the heat dissipation requirements. This application uses a liquid cooling method for cooling, reducing the setting of the air-conditioning system. The liquid cooling system occupies less space in the cabinet server, so that the cabinet server can accommodate more servers. However, the liquid cooling system of the present application has good cooling capacity, improves the heat flux density of the machine data center, saves floor space, and is not restricted by altitude and area, and can work normally in any place.

以下將以圖式揭露本申請的多個實施方式,為明確說明起見,許多實務上的細節將在以下敘述中一併說明。然而,應瞭解到,這些實務上的細節不應用以限制本申請。也就是說,在本申請的部分實施方式中,這些實務上的細節是非必要的。此外,為簡化圖式起見,一些習知慣用的結構與元件在圖式中將以簡單的示意的方式繪示之。Multiple embodiments of the present application will be disclosed in the following drawings. For the sake of clear description, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this application. That is, in some embodiments of the present application, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and components will be shown in the drawings in a simple and schematic manner.

關於本文中所使用之“第一”、“第二”等,並非特別指稱次序或順位的意思,亦非用以限定本申請,其僅僅是為了區別以相同技術用語描述的組件或操作而已。Regarding the “first”, “second”, and the like used herein, they do not specifically refer to the order or order, nor are they used to limit the present application. They are only used to distinguish components or operations described in the same technical terms.

請參閱「第1圖」,其是本申請一實施方式的液冷系統的示意圖;如圖所示,本實施方式提供一種用於機櫃伺服器的液冷系統1,液冷系統1包括一次側液體循環管路10、冷卻分配控制裝置11以及二次側液體循環管路13,一次側液體循環管路10以及二次側液體循環管路13的一端連接冷卻分配控制裝置11,一次側液體循環管路10的另一端連接進水設備,二次側液體循環管路13的另一端連接至少一個機櫃伺服器2。進水設備提供第一冷卻液體至一次側液體循環管路10,第一冷卻液體通過一次側液體循環管路10輸入至冷卻分配控制裝置11。二次側液體循環管路13提供並輸入第二冷卻液體至每一個機櫃伺服器2,第二冷卻液體流經對應的機櫃伺服器2的至少一個伺服器,並產生待降溫液體。機櫃伺服器2輸出待降溫液體至二次側液體循環管路13,待降溫液體經二次側液體循環管路13至冷卻分配控制裝置11,第一冷卻液體與待降溫液體於冷卻分配控制裝置11內進行熱交換,並產生新的第二冷卻液體。冷卻分配控制裝置11提供新的第二冷卻液體至二次側液體循環管路13,讓二次側液體循環管路13能持續提供第二冷卻液體到至少一個機櫃伺服器2,能有效率地降低至少一機櫃伺服器2的溫度,提高散熱效率。Please refer to "Figure 1", which is a schematic diagram of a liquid cooling system according to an embodiment of the present application. As shown in the figure, this embodiment provides a liquid cooling system 1 for a rack server. The liquid cooling system 1 includes a primary side One end of the liquid circulation line 10, the cooling distribution control device 11 and the secondary side liquid circulation line 13, the primary liquid circulation line 10 and the secondary side liquid circulation line 13 are connected to the cooling distribution control device 11, and the primary side liquid circulation The other end of the pipeline 10 is connected to a water inlet device, and the other end of the secondary-side liquid circulation pipeline 13 is connected to at least one cabinet server 2. The water inlet device provides a first cooling liquid to the primary liquid circulation line 10, and the first cooling liquid is input to the cooling distribution control device 11 through the primary liquid circulation line 10. The secondary-side liquid circulation pipeline 13 provides and inputs a second cooling liquid to each of the cabinet servers 2, and the second cooling liquid flows through at least one server of the corresponding cabinet server 2 and generates a liquid to be cooled. The cabinet server 2 outputs the liquid to be cooled to the secondary liquid circulation pipeline 13, and the liquid to be cooled passes the secondary liquid circulation pipeline 13 to the cooling distribution control device 11, and the first cooling liquid and the liquid to be cooled are supplied to the cooling distribution control device Heat exchange is performed in 11 and a new second cooling liquid is generated. The cooling distribution control device 11 provides a new second cooling liquid to the secondary-side liquid circulation pipeline 13 so that the secondary-side liquid circulation pipeline 13 can continuously provide the second cooling liquid to at least one rack server 2 and can efficiently Reduce the temperature of at least one cabinet server 2 and improve heat dissipation efficiency.

下述詳細說明一次側液體循環管路10、冷卻分配控制裝置11以及二次側液體循環管路13的結構。請一併參閱「第2圖」,其是本申請一實施方式的冷卻分配控制裝置的示意圖;如圖所示,冷卻分配控制裝置11包括熱交換器111、一次側輸入管路112、一次側輸出管路113、一次側控制閥114、水槽115、第一泵116、二次側輸出管路117、第二泵118、二次側輸入管路119、第一溫度感測器120、第二溫度感測器121、邏輯控制器122、環境溫度感測器123及環境濕度感測器124。一次側輸入管路112及一次側輸出管路113的一端分別連接熱交換器111,一次側控制閥11通過管路連接一次側輸入管路112及一次側輸出管路113,以控制一次側輸入管路112的輸入以及一次側輸出管路113的輸出。一次側輸入管路112、一次側輸出管路113及一次側控制閥114均位在熱交換器111的一次側。The structure of the primary-side liquid circulation line 10, the cooling distribution control device 11, and the secondary-side liquid circulation line 13 will be described in detail below. Please refer to FIG. 2 together, which is a schematic diagram of a cooling distribution control device according to an embodiment of the present application. As shown in the figure, the cooling distribution control device 11 includes a heat exchanger 111, a primary input pipe 112, and a primary side. Output line 113, primary side control valve 114, water tank 115, first pump 116, secondary side output line 117, second pump 118, secondary side input line 119, first temperature sensor 120, second The temperature sensor 121, the logic controller 122, the ambient temperature sensor 123, and the ambient humidity sensor 124. One end of the primary input pipe 112 and the primary output pipe 113 are respectively connected to the heat exchanger 111, and the primary control valve 11 is connected to the primary input pipe 112 and the primary output pipe 113 through the pipeline to control the primary input. The input of the pipe 112 and the output of the primary output pipe 113. The primary input line 112, the primary output line 113, and the primary control valve 114 are all located on the primary side of the heat exchanger 111.

然水槽115連接熱交換器111的二次側,第一泵116連接水槽115及進水設備,第二泵118通過管路連接水槽115,二次側輸出管路117連接第二泵118,二次側輸入管路119連接熱交換器111。第一溫度感測器120設置於二次側輸出管路117,以感測流動在二次側輸出管路117內的液體的溫度,換句話說,第一溫度感測器120感測冷卻分配控制裝置11輸入至二次側液體循環管路13的第二冷卻液體的溫度。第二溫度感測器121設置於二次側輸入管路119,以感測流動在二次側輸入管路119內的液體的溫度,換句話說,第二溫度感測器121感測從二次側液體循環管路13輸入冷卻分配控制裝置11的待降溫液體的溫度。While the water tank 115 is connected to the secondary side of the heat exchanger 111, the first pump 116 is connected to the water tank 115 and the water inlet equipment, the second pump 118 is connected to the water tank 115 through a pipeline, and the secondary output pipe 117 is connected to the second pump 118. The secondary input line 119 is connected to the heat exchanger 111. The first temperature sensor 120 is disposed on the secondary output pipe 117 to sense the temperature of the liquid flowing in the secondary output pipe 117. In other words, the first temperature sensor 120 senses the cooling distribution The control device 11 inputs the temperature of the second cooling liquid to the secondary-side liquid circulation line 13. The second temperature sensor 121 is disposed on the secondary-side input pipe 119 to sense the temperature of the liquid flowing in the secondary-side input pipe 119. In other words, the second temperature sensor 121 The secondary-side liquid circulation line 13 inputs the temperature of the liquid to be cooled by the cooling and distribution control device 11.

邏輯控制器122電性連接一次側控制閥114、第一泵116、第二泵118、第一溫度感測器120、第二溫度感測器121、環境溫度感測器123及環境濕度感測器124,以控制一次側控制閥114、第一泵116、第二泵118、第一溫度感測器120、第二溫度感測器121、環境溫度感測器123及環境濕度感測器124的作動。The logic controller 122 is electrically connected to the primary-side control valve 114, the first pump 116, the second pump 118, the first temperature sensor 120, the second temperature sensor 121, the ambient temperature sensor 123, and the ambient humidity sensor. Controller 124 to control the primary-side control valve 114, the first pump 116, the second pump 118, the first temperature sensor 120, the second temperature sensor 121, the ambient temperature sensor 123, and the ambient humidity sensor 124 Action.

複參閱「第1圖」,一次側液體循環管路10包括一次側液體輸入管101、一次側液體輸出管102、至少一個一次側液體輸入支管103及至少一個一次側液體輸出支管104。一次側液體輸入管101連接進水設備,每一個一次側液體輸入支管103的一端連接一次側液體輸入管101,其另一端連接冷卻分配控制裝置11的一次側輸入端,換句話說,每一個一次側液體輸入支管103的另一端連接一次側輸入管路112。每一個一次側液體輸出支管104的一端連接一次側液體輸出管102,其另一端連接冷卻分配控制裝置11的一次側輸出端,換句話說,每一個一次側液體輸出支管104的另一端連接一次側輸出管路113。Referring again to FIG. 1, the primary-side liquid circulation pipeline 10 includes a primary-side liquid input pipe 101, a primary-side liquid output pipe 102, at least one primary-side liquid input branch pipe 103, and at least one primary-side liquid output branch pipe 104. The primary liquid input pipe 101 is connected to the water inlet device, one end of each primary liquid input branch pipe 103 is connected to the primary liquid input pipe 101, and the other end thereof is connected to the primary input terminal of the cooling distribution control device 11, in other words, each The other end of the primary-side liquid input branch pipe 103 is connected to the primary-side input pipe 112. One end of each primary-side liquid output branch pipe 104 is connected to the primary-side liquid output pipe 102, and the other end thereof is connected to the primary-side output terminal of the cooling distribution control device 11. In other words, the other end of each primary-side liquid output branch pipe 104 is connected once Flank output line 113.

進水設備、一次側液體輸入管101、至少一個一次側液體輸入支管103、冷卻分配控制裝置11、至少一個一次側液體輸出支管104以及一次側液體輸出管102形成第一冷卻液體的流動路徑。進水設備提供第一冷卻液體至一次側液體輸入管101,第一冷卻液體通過一次側液體輸入管101及至少一個一次側液體輸入支管103流入冷卻分配控制裝置11的,進入冷卻分配控制裝置11的第一冷卻液體與冷卻分配控制裝置11內的待降溫液體進行熱交換。然後經熱交換的第一冷卻液體再通過至少一個一次側液體輸出支管104及一次側液體輸出管102傳輸至外部。進水設備會持續供應新的第一冷卻液體至冷卻分配控制裝置11內,以更新冷卻分配控制裝置11內的第一冷卻液體,確保第一冷卻液體的溫度持續維持在預設溫度,進而保證冷卻分配控制裝置11的熱交換效率。The water inlet device, the primary liquid input pipe 101, the at least one primary liquid input branch pipe 103, the cooling distribution control device 11, the at least one primary liquid output branch pipe 104, and the primary liquid output pipe 102 form a flow path of the first cooling liquid. The water inlet device provides the first cooling liquid to the primary liquid input pipe 101. The first cooling liquid flows into the cooling distribution control device 11 through the primary liquid input pipe 101 and at least one primary liquid input branch pipe 103, and enters the cooling distribution control device 11 The first cooling liquid is heat exchanged with the liquid to be cooled in the cooling distribution control device 11. The heat-exchanged first cooling liquid is then transmitted to the outside through at least one primary-side liquid output branch pipe 104 and the primary-side liquid output pipe 102. The water inlet equipment will continuously supply a new first cooling liquid to the cooling distribution control device 11 to update the first cooling liquid in the cooling distribution control device 11 to ensure that the temperature of the first cooling liquid is continuously maintained at a preset temperature, thereby ensuring that The heat exchange efficiency of the cooling distribution control device 11.

二次側液體循環管路13包括二次側液體輸入管131、二次側液體輸出管132、至少一個二次側液體輸入支管133及至少一個二次側液體輸出支管134,二次側液體輸入管131及二次側液體輸出管132分別連接冷卻分配控制裝置11的二次側輸出端及二次側輸入端,換句話說,二次側液體輸入管131連接冷卻分配控制裝置11的二次側輸出管路117,二次側液體輸出管132連接冷卻分配控制裝置11的二次側輸入管路119。每一個二次側液體輸入支管133的一端連接二次側液體輸入管131,每一個二次側液體輸出支管134的一端連接二次側液體輸出管132。The secondary-side liquid circulation pipeline 13 includes a secondary-side liquid input pipe 131, a secondary-side liquid output pipe 132, at least one secondary-side liquid input branch pipe 133, and at least one secondary-side liquid output branch pipe 134. The secondary-side liquid input The pipe 131 and the secondary liquid output pipe 132 are connected to the secondary output terminal and the secondary input terminal of the cooling distribution control device 11 respectively. In other words, the secondary liquid input pipe 131 is connected to the secondary of the cooling distribution control device 11 The secondary output line 117 and the secondary liquid output tube 132 are connected to the secondary input line 119 of the cooling distribution control device 11. One end of each secondary-side liquid input branch pipe 133 is connected to a secondary-side liquid input pipe 131, and one end of each secondary-side liquid output branch pipe 134 is connected to a secondary-side liquid output pipe 132.

上述一次側液體循環管路10的一次側液體輸入管101及一次側液體輸出管102與二次側液體循環管路13的二次側液體輸入管131及二次側液體輸出管132均使用剛性管。一次側液體循環管路10的至少一個一次側液體輸入支管103及至少一個一次側液體輸出支管104與二次側液體循環管路13的至少一個二次側液體輸入支管133及至少一個二次側液體輸出支管134均使用撓性管,以便於伸入冷卻分配控制裝置11及機櫃伺服器2內。The primary side liquid input pipe 101 and the primary side liquid output pipe 102 of the above-mentioned primary side liquid circulation pipe 10 and the secondary side liquid input pipe 131 and the secondary side liquid output pipe 132 of the secondary side liquid circulation pipe 13 all use rigidity. tube. At least one primary side liquid input branch pipe 103 and at least one primary side liquid output branch pipe 104 and at least one secondary side liquid input branch pipe 133 and at least one secondary side of the secondary side liquid circulation pipe 13 The liquid output branch pipes 134 are all flexible pipes, so as to extend into the cooling distribution control device 11 and the cabinet server 2.

再一併參閱「第3圖」,其是本申請一實施方式的二次側液體循環管路連接機櫃伺服器的示意圖;如圖所示,每一個二次側液體輸入支管133及二次側液體輸出支管134的另一端連接至每一個機櫃伺服器2。每一個機櫃伺服器2具有液體輸入管路接頭21及液體輸出管路接頭22,每一個二次側液體輸入支管133連接至對應的機櫃伺服器2的液體輸入管路接頭21,每一個二次側液體輸出支管134連接至對應的機櫃伺服器2的液體輸出管路接頭22。Refer again to "Figure 3", which is a schematic diagram of the secondary side liquid circulation pipeline connected to the cabinet server according to an embodiment of the present application; as shown in the figure, each secondary side liquid input branch pipe 133 and the secondary side The other end of the liquid output branch pipe 134 is connected to each cabinet server 2. Each cabinet server 2 has a liquid input pipe joint 21 and a liquid output pipe joint 22, and each secondary-side liquid input branch pipe 133 is connected to the corresponding liquid input pipe joint 21 of the cabinet server 2, and each secondary The side liquid output branch pipe 134 is connected to the liquid output pipe joint 22 of the corresponding cabinet server 2.

液體輸入管路接頭21具有多個連接頭23及與多個連接頭23連通的流通空間(圖中未示),每一個二次側液體輸入支管133連接液體輸入管路接頭21的多個連接頭23的一者。同樣的,液體輸出管路接頭22也具有多個連接頭23及與多個連接頭23連通的流通空間(圖中未示),每一個二次側液體輸出支管134連接液體輸出管路接頭22的多個連接頭23的一者。The liquid input pipe joint 21 has a plurality of connection heads 23 and a flow space (not shown) communicating with the plurality of connection heads 23, and each secondary-side liquid input branch pipe 133 is connected to the multiple connections of the liquid input pipe joint 21 One of the first 23. Similarly, the liquid output line joint 22 also has a plurality of connection heads 23 and a flow space (not shown) communicating with the plurality of connection heads 23, and each secondary-side liquid output branch pipe 134 is connected to the liquid output line joint 22 One of the plurality of connection heads 23.

請一併參閱「第4圖」,其是本申請一實施方式的伺服器的示意圖;如圖所示,每一個機櫃伺服器2包括多個伺服器24,每一個伺服器24具有液冷模組25,液冷模組25具有液體輸入接頭251、至少一個冷卻板252及至少一個液體流通塊253,至少一個冷卻板252設置於伺服器24的發熱元件241,液體輸入接頭251通過管路連接液體輸入管路接頭21的多個連接頭23的一者,並通過管路連接至少一個冷卻板252,至少一個冷卻板252通過管路連接至少一個液體流通塊253,至少一個液體流通塊253通過管路連接液體輸出管路接頭22的多個連接頭23的一者。上述發熱元件241為產生熱能的電子元器件。冷卻板252及液體流通塊253的內部分別具有液體流動空間,液體流通塊253的表面具有多個散熱鰭片2531Please also refer to "Figure 4", which is a schematic diagram of a server according to an embodiment of the present application. As shown in the figure, each cabinet server 2 includes a plurality of servers 24, and each server 24 has a liquid cooling mold. Group 25. The liquid cooling module 25 has a liquid input connector 251, at least one cooling plate 252, and at least one liquid circulation block 253. At least one cooling plate 252 is disposed on the heating element 241 of the server 24. The liquid input connector 251 is connected through a pipeline One of the plurality of connection heads 23 of the liquid input pipeline joint 21 and connected to at least one cooling plate 252 through a pipeline, the at least one cooling plate 252 connected to at least one liquid circulation block 253 through a pipeline, and at least one liquid circulation block 253 through The pipe is connected to one of the plurality of connectors 23 of the liquid output pipe joint 22. The heating element 241 is an electronic component that generates thermal energy. The inside of the cooling plate 252 and the liquid circulation block 253 each have a liquid flow space, and the surface of the liquid circulation block 253 has a plurality of heat radiation fins 2531.

本實施方式的伺服器24具有二個發熱元件241,其中發熱元件241為處理器。二個發熱元件241上分別設有冷卻板252。三個液體流通塊253設置在伺服器24,二個發熱元件241設置在三個液體流通塊253之間,換句話說,每一個發熱元件241設置在相鄰的二個液體流通塊253之間,設置在發熱元件241的冷卻板252位於相鄰的二個液體流通塊253之間。液體輸入接頭251通過管路連接二個冷卻板252,二個冷卻板252分別通過管路連接位於左側及右側的二個液體流通塊253,位於左側及右側的二個液體流通塊253分別通過管路連接位於中間的液體流通塊253,位於中間的液體流通塊253通過管路連接液體輸出管路接頭22的多個連接頭23的一者。The server 24 of this embodiment has two heat generating elements 241, and the heat generating element 241 is a processor. Cooling plates 252 are respectively provided on the two heating elements 241. Three liquid circulation blocks 253 are disposed on the server 24, and two heating elements 241 are disposed between the three liquid circulation blocks 253. In other words, each of the heating elements 241 is disposed between two adjacent liquid circulation blocks 253 The cooling plate 252 provided on the heating element 241 is located between two adjacent liquid circulation blocks 253. The liquid input joint 251 is connected to two cooling plates 252 through pipes, and the two cooling plates 252 are connected to two liquid circulation blocks 253 on the left and right sides through pipes, respectively. The two liquid circulation blocks 253 on the left and right sides are connected through pipes respectively. The liquid connection block 253 located in the middle is connected to one of the plurality of connection heads 23 of the liquid output line joint 22 through a pipeline.

本實施方式的液冷系統1在使用時,第一泵116抽取進水設備內的液體至水槽115,水槽115內的液體下稱第二冷卻液體,接著第二泵118抽取水槽115內的第二冷卻液體至二次側輸出管路117。第二冷卻液體經二次側輸出管路117流至二次側液體循環管路13的二次側液體輸入管131,二次側液體輸入管131內的第二冷卻液體通過二次側液體輸入支管133進入對應的機櫃伺服器2的液體輸入管路接頭21。液體輸入管路接頭21內的第二冷卻液體流入機櫃伺服器2內的至少一個伺服器24,第二冷卻液體帶走至少一個伺服器24所產生的熱能,降低至少一個伺服器24的溫度。液體輸入管路接頭21內的第二冷卻液體通過其與液體輸入接頭21連接的管路流至液體輸入接頭251,再通過液體輸入接頭251與位於中間的液體流通塊253連接的管路流至位於中間的液體流通塊253。然位於中間的液體流通塊253內的第二冷卻液體流至位於左側及右側的二個液體流通塊253,接著位於左側及右側的二個液體流通塊253內的第二冷卻液體流至二個冷卻板252。此時二個冷卻板252內的第二冷卻流體吸收二個發熱元件241所產生的熱能,產生待降溫液體。二個冷卻板252內的待降溫液體流至液體輸出管路接頭22。待降溫液體從液體輸出管路接頭22流到至少一個二次側液體輸出支管134,然後待降溫液體從至少一個二次側液體輸出支管134流至二次側液體輸出管132。待降溫液體從二次側液體輸出管132流至冷卻分配控制裝置11的二次側輸入管路119,接著通過二次側輸入管路119流入熱交換器111。When the liquid cooling system 1 of this embodiment is in use, the first pump 116 extracts the liquid in the water inlet device to the water tank 115, and the liquid in the water tank 115 is hereinafter referred to as the second cooling liquid, and then the second pump 118 extracts the first The second cooling liquid goes to the secondary output line 117. The second cooling liquid flows through the secondary-side output pipe 117 to the secondary-side liquid input pipe 131 of the secondary-side liquid circulation pipe 13, and the second cooling liquid in the secondary-side liquid input pipe 131 is input through the secondary-side liquid. The branch pipe 133 enters the liquid input pipe joint 21 of the corresponding rack server 2. The second cooling liquid in the liquid input pipe joint 21 flows into at least one server 24 in the rack server 2, and the second cooling liquid takes away the thermal energy generated by the at least one server 24 and reduces the temperature of the at least one server 24. The second cooling liquid in the liquid input pipe joint 21 flows to the liquid input joint 251 through the pipe connected to the liquid input joint 21, and then flows to the liquid input joint 251 through the pipe connected to the intermediate liquid circulation block 253 to The liquid circulation block 253 is located in the middle. However, the second cooling liquid in the middle liquid circulation block 253 flows to the two liquid circulation blocks 253 on the left and right sides, and then the second cooling liquid in the two liquid circulation blocks 253 on the left and right flows to the two liquid circulation blocks 253. Cooling plate 252. At this time, the second cooling fluid in the two cooling plates 252 absorbs the thermal energy generated by the two heating elements 241 and generates a liquid to be cooled. The liquid to be cooled in the two cooling plates 252 flows to the liquid output pipe joint 22. The liquid to be cooled flows from the liquid output pipe joint 22 to at least one secondary-side liquid output branch pipe 134, and then the liquid to be cooled flows from the at least one secondary-side liquid output branch pipe 134 to the secondary-side liquid output pipe 132. The liquid to be cooled flows from the secondary-side liquid output pipe 132 to the secondary-side input pipe 119 of the cooling distribution control device 11, and then flows into the heat exchanger 111 through the secondary-side input pipe 119.

上述第一泵116是於第一次使用液冷系統1使用,之後通過第二泵118運作,使第二冷卻液體位於冷卻分配裝置11及二次側液體循環管路13中迴圈使用。The above-mentioned first pump 116 is used for the first time using the liquid cooling system 1, and then operates by the second pump 118, so that the second cooling liquid is used in a loop in the cooling distribution device 11 and the secondary liquid circulation pipeline 13.

同時,進水設備提供第一冷卻液體至一次側液體循環管路10的一次側液體輸入管101,一次側液體輸入管101通過至少一個一次側液體輸入支管103傳輸第一冷卻液體至冷卻分配控制裝置11的一次側輸入管路112,第一冷卻液體通過一次側輸入管路112流入熱交換器111。At the same time, the water inlet equipment provides the first cooling liquid to the primary liquid input pipe 101 of the primary liquid circulation pipeline 10, and the primary liquid input pipe 101 transmits the first cooling liquid to the cooling distribution control through at least one primary liquid input branch pipe 103. The primary-side input pipe 112 of the device 11, and the first cooling liquid flows into the heat exchanger 111 through the primary-side input pipe 112.

當待降溫液體進入熱交換器111時,待降溫液體與第一冷卻液體進行熱交換,讓待降溫液體的溫度恢復成第二冷卻液體的預設溫度,以產生新的第二冷卻液體。新的第二冷卻液體再通過上述過程進入至少一個機櫃伺服器2,並帶走每一個伺服器24的發熱元件241所產生的熱能,降低至少一個機櫃伺服器2的溫度。When the liquid to be cooled enters the heat exchanger 111, the liquid to be cooled undergoes heat exchange with the first cooling liquid, so that the temperature of the liquid to be cooled returns to a preset temperature of the second cooling liquid to generate a new second cooling liquid. The new second cooling liquid then enters at least one cabinet server 2 through the above process, and takes away the thermal energy generated by the heating element 241 of each server 24 to reduce the temperature of the at least one cabinet server 2.

本實施方式的液冷系統1主要通過冷卻分配控制裝置11進行控制,自動控制方式包括溫度控制及流量控制兩種。請一併參閱「第5圖」,其是本申請一實施方式的冷卻分配控制裝置進行溫度控制的流程圖;如圖所示,當液冷系統1在運作時,先執行步驟S10,冷卻分配控制裝置11的第一溫度感測器120偵測通過二次側輸出管路117流至二次側液體循環管路13的第二冷卻液體的溫度,並產生第一溫度信號至邏輯控制器122。接著執行步驟S11,邏輯控制器122根據第一溫度信號得知輸往二次側液體循環管路13的第二冷卻液體的溫度,並判斷第二冷卻液體的溫度是否大於預設溫度值,若第二冷卻液體的溫度大於預設溫度值時,表示熱交換器111的換熱量低於預設換熱量,則執行步驟S12,提高一次側控制閥114的開度,提高一次側控制閥114的開度是邏輯控制器122產生第一控制信號,並傳送第一控制信號至一次側控制閥114,一次側控制閥114根據第一控制信號減小其開度,讓位於熱交換器111內的第一冷卻液體往一次側液體循環管路10流出的流量增加,以從一次側液體循環管路10添加大量的第一冷卻液體進入熱交換器111,讓熱交換器111的換熱量回至預設換熱量。The liquid cooling system 1 of this embodiment is mainly controlled by the cooling distribution control device 11. The automatic control method includes two types of temperature control and flow control. Please also refer to "Figure 5", which is a flowchart of temperature control of the cooling distribution control device according to an embodiment of the present application. As shown in the figure, when the liquid cooling system 1 is in operation, step S10 is performed first to cool the distribution. The first temperature sensor 120 of the control device 11 detects the temperature of the second cooling liquid flowing through the secondary-side output pipe 117 to the secondary-side liquid circulation pipe 13 and generates a first temperature signal to the logic controller 122 . Then step S11 is executed. The logic controller 122 learns the temperature of the second cooling liquid sent to the secondary-side liquid circulation pipeline 13 according to the first temperature signal, and determines whether the temperature of the second cooling liquid is greater than a preset temperature value. When the temperature of the second cooling liquid is greater than the preset temperature value, which indicates that the heat exchange amount of the heat exchanger 111 is lower than the preset heat exchange amount, step S12 is performed to increase the opening degree of the primary control valve 114 and increase the The opening degree is that the logic controller 122 generates a first control signal and transmits the first control signal to the primary control valve 114. The primary control valve 114 reduces its opening degree according to the first control signal to give way to the heat exchanger 111. The flow rate of the first cooling liquid flowing out to the primary liquid circulation line 10 is increased, and a large amount of the first cooling liquid is added from the primary liquid circulation line 10 into the heat exchanger 111, so that the heat exchange amount of the heat exchanger 111 is returned to Preset heat exchange capacity.

若第二冷卻液體的溫度小於預設溫度值時,表示熱交換器111的換熱量高於預設換熱量,則執行步驟S13,減小一次側控制閥114的開度,減小一次側控制閥114的開度是邏輯控制器122產生第一控制信號,並傳送第一控制信號至一次側控制閥114,一次側控制閥114根據第一控制信號減小其開度,讓位於熱交換器111內的第一冷卻液體往一次側液體循環管路10流出的流量減少,以從一次側液體循環管路10添加少量的第一冷卻液體進入熱交換器111,讓熱交換器111的換熱量回復至預設換熱量。若第二冷卻液體的溫度等於預設溫度值時,則回至步驟S10。If the temperature of the second cooling liquid is lower than the preset temperature value, indicating that the heat exchange amount of the heat exchanger 111 is higher than the preset heat exchange amount, step S13 is performed to reduce the opening degree of the primary-side control valve 114 and reduce the primary-side control The opening degree of the valve 114 is that the logic controller 122 generates a first control signal and transmits the first control signal to the primary control valve 114. The primary control valve 114 reduces its opening degree according to the first control signal, giving way to heat exchange. The flow rate of the first cooling liquid in the device 111 to the primary liquid circulation line 10 is reduced, so that a small amount of the first cooling liquid is added from the primary liquid circulation line 10 into the heat exchanger 111, so that the heat exchanger 111 is replaced. The heat returns to the preset heat exchange capacity. If the temperature of the second cooling liquid is equal to the preset temperature value, the process returns to step S10.

上述通過比較輸出至二次側液體循環管路13的的二冷卻液體的溫度與預設溫度值,以判斷熱交換器111的換熱量,若發現熱交換器111的換熱量低於或高於預設換熱量時,通過控制一次側液體循環管路10輸入至熱交換器111的第一冷卻液體的流量,維持位於熱交換器111內的第一冷卻液體的溫度於預設溫度值。此外,環境溫度感測器123及環境濕度感測器124分別感應環境中的溫度及濕度,並分別產生環境溫度信號及環境濕度信號,且傳送環境溫度信號及環境濕度信號至邏輯控制器122。邏輯控制器122根據環境溫度信號及環境濕度信號計算露點溫度,此露點溫度為第二冷卻液體的預設溫度值的下限,防止輸出至二次側液體循環管路13的的二冷卻液體的溫度過低,使機櫃伺服器2內的伺服器24結露而損壞。In the above, the temperature of the second cooling liquid output to the secondary-side liquid circulation pipe 13 is compared with a preset temperature value to determine the heat exchange amount of the heat exchanger 111. If the heat exchange amount of the heat exchanger 111 is found to be lower or higher than When the heat exchange amount is preset, by controlling the flow rate of the first cooling liquid input to the heat exchanger 111 by the primary-side liquid circulation pipeline 10, the temperature of the first cooling liquid located in the heat exchanger 111 is maintained at a preset temperature value. In addition, the ambient temperature sensor 123 and the ambient humidity sensor 124 sense the temperature and humidity in the environment, respectively, and generate an ambient temperature signal and an ambient humidity signal, and transmit the ambient temperature signal and the ambient humidity signal to the logic controller 122. The logic controller 122 calculates the dew point temperature according to the ambient temperature signal and the ambient humidity signal. This dew point temperature is the lower limit of the preset temperature value of the second cooling liquid, preventing the temperature of the second cooling liquid output to the secondary-side liquid circulation pipe 13 If it is too low, the server 24 in the cabinet server 2 will be condensed and damaged.

請參閱「第6圖」,其是本申請一實施方式的冷卻分配控制裝置進行流量控制的第一模式流程圖;如圖所示,當液冷系統1在運作時,先執行步驟S20,第一溫度感測器120偵測熱交換器111流至二次側迴圈管路13的第二冷卻液體的溫度,並產生第一溫度信號至邏輯控制器122;同時執行步驟S21,第二溫度感測器121偵測二次側迴圈管路13輸入至熱交換器111的待降溫液體的溫度,並產生第二溫度信號至邏輯控制器122。Please refer to "Figure 6", which is a flowchart of the first mode of flow control of the cooling distribution control device according to an embodiment of the present application. As shown in the figure, when the liquid cooling system 1 is in operation, step S20 is first performed. A temperature sensor 120 detects the temperature of the second cooling liquid flowing from the heat exchanger 111 to the secondary loop pipe 13 and generates a first temperature signal to the logic controller 122. At the same time, step S21 and the second temperature are performed. The sensor 121 detects the temperature of the liquid to be cooled input from the secondary-side loop pipe 13 to the heat exchanger 111, and generates a second temperature signal to the logic controller 122.

接著執行步驟S22,邏輯控制器122根據第一溫度信號及第二溫度信號計算出第二冷卻液體的溫度與待降溫液體的溫度的溫度差值。然後執行步驟S23,邏輯控制器122判斷溫差值是否大於預設溫差值,若判斷溫差值大於預設溫差值時,表示熱交換器111供應至二次側液體循環管路13的第二冷卻液體的溫度較低,則執行步驟S24,增加第二泵118的轉速,增加第二泵118的轉速是邏輯控制器122產生第三控制信號,並傳輸第三控制信號至第二泵118,第二泵118根據第三控制信號增加其轉速,以增加熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量,也是加快熱交換器111供應第二冷卻液體至二次側液體循環管路13的速率,縮短待降溫液體進行熱交換的時間。Next, step S22 is executed. The logic controller 122 calculates a temperature difference between the temperature of the second cooling liquid and the temperature of the liquid to be cooled according to the first temperature signal and the second temperature signal. Then step S23 is executed. The logic controller 122 determines whether the temperature difference value is greater than the preset temperature difference value. If the temperature difference value is greater than the preset temperature difference value, it indicates that the second cooling liquid supplied by the heat exchanger 111 to the secondary-side liquid circulation pipe 13 is If the temperature is low, step S24 is performed to increase the rotation speed of the second pump 118. Increasing the rotation speed of the second pump 118 is that the logic controller 122 generates a third control signal and transmits the third control signal to the second pump 118. The second The pump 118 increases its rotation speed according to the third control signal to increase the flow rate of the second cooling liquid supplied from the heat exchanger 111 to the secondary-side liquid circulation pipe 13, and also accelerates the supply of the second cooling liquid from the heat exchanger 111 to the secondary side. The speed of the liquid circulation pipe 13 shortens the time for heat exchange of the liquid to be cooled.

若判斷溫差值小於預設溫差值時,表示熱交換器111供應至二次側液體循環管路13的第二冷卻液體的溫度較高,則執行步驟S25,降低第二泵118的轉速,降低第二泵118的轉速是邏輯控制器122產生第四控制信號,並傳輸第四控制信號至第二泵118,第二泵118根據第四控制信號降低其轉速,以減少熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量,也是減緩熱交換器111供應第二冷卻液體至二次側液體循環管路13的速率,增加待降溫液體進行熱交換的時間。若判斷溫差值等於預設溫差值時,則回至步驟S20。If it is judged that the temperature difference value is less than the preset temperature difference value, it means that the temperature of the second cooling liquid supplied by the heat exchanger 111 to the secondary-side liquid circulation pipe 13 is high, then step S25 is performed to reduce the rotation speed of the second pump 118 and reduce The speed of the second pump 118 is a fourth control signal generated by the logic controller 122 and transmits the fourth control signal to the second pump 118. The second pump 118 reduces its speed according to the fourth control signal to reduce the supply of the heat exchanger 111 to The flow rate of the second cooling liquid in the secondary-side liquid circulation line 13 also slows down the rate at which the second cooling liquid is supplied from the heat exchanger 111 to the secondary-side liquid circulation line 13 and increases the time for the liquid to be cooled for heat exchange. If it is determined that the temperature difference value is equal to the preset temperature difference value, the process returns to step S20.

上述通過比較差值與預設壓差值,判斷熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量相對於二次側液體循環管路13供應至熱交換器111的待降溫液體的流量大或小,通過邏輯控制器122控制第二泵118的轉速,調整熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量,並讓熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量與二次側液體循環管路13供應至熱交換器111的待降溫液體的流量相同,保證液冷系統1的運行穩定性。By comparing the difference with the preset pressure difference, it is judged that the flow rate of the second cooling liquid supplied from the heat exchanger 111 to the secondary-side liquid circulation pipe 13 is supplied to the heat exchanger 111 relative to the secondary-side liquid circulation pipe 13 The flow rate of the liquid to be cooled is large or small, the speed of the second pump 118 is controlled by the logic controller 122, the flow rate of the second cooling liquid supplied by the heat exchanger 111 to the secondary-side liquid circulation pipeline 13, and the heat exchange is allowed The flow rate of the second cooling liquid supplied from the device 111 to the secondary-side liquid circulation line 13 is the same as the flow rate of the liquid to be cooled supplied by the secondary-side liquid circulation line 13 to the heat exchanger 111, ensuring the stable operation of the liquid cooling system 1. Sex.

複參閱「第3圖」,本實施方式的冷卻分配控制裝置11更包括第一壓力感測器125及第二壓力感測器126,第一壓力感測器125設置於二次側輸出管路117,第二壓力感測器126設置於二次側輸入管路119,第一壓力感測器125及第二壓力感測器126電性連接邏輯控制器122。請一併參閱「第7圖」,其是本申請一實施方式的冷卻分配控制裝置進行流量控制的第二模式流程圖;如圖所示,當液冷系統1在運作時,先執行步驟S30,第一壓力感測器125偵測熱交換器111供應至二次側迴圈管路13的第二冷卻液體的液壓,並產生第一壓力信號至邏輯控制器122;同時執行步驟S31,第二壓力感測器126偵測二次側液體循環管路13輸入至熱交換器111的待降溫液體的液壓,並產生第二壓力信號至邏輯控制器122。Referring back to "Figure 3", the cooling distribution control device 11 of this embodiment further includes a first pressure sensor 125 and a second pressure sensor 126. The first pressure sensor 125 is disposed on the secondary-side output pipeline. 117. The second pressure sensor 126 is disposed on the secondary input line 119. The first pressure sensor 125 and the second pressure sensor 126 are electrically connected to the logic controller 122. Please also refer to "Figure 7", which is a flowchart of the second mode of flow control of the cooling distribution control device according to an embodiment of the present application; as shown in the figure, when the liquid cooling system 1 is in operation, step S30 is performed first. The first pressure sensor 125 detects the hydraulic pressure of the second cooling liquid supplied from the heat exchanger 111 to the secondary-side loop pipe 13 and generates a first pressure signal to the logic controller 122. At the same time, step S31 is executed. The two pressure sensors 126 detect the hydraulic pressure of the liquid to be cooled that is input to the heat exchanger 111 by the secondary-side liquid circulation pipe 13 and generates a second pressure signal to the logic controller 122.

接著執行步驟S32,邏輯控制器122根據第一壓力信號及第二壓力信號計算出第二冷卻液體的液壓與待降溫液體的液壓的壓差值。邏輯控制器122判斷壓差值是否大於預設壓差值,若判斷壓差值大於預設壓差值時,表示熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量較大,則執行步驟S33,降低第二泵118的轉速,降低第二泵118的轉速是邏輯控制器122產生第五控制信號,並傳輸第五控制信號至第二泵118,根據述第五控制信號降低其轉速,以減少熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量。Next, step S32 is performed. The logic controller 122 calculates a pressure difference between the hydraulic pressure of the second cooling liquid and the hydraulic pressure of the liquid to be cooled according to the first pressure signal and the second pressure signal. The logic controller 122 determines whether the pressure difference value is greater than a preset pressure difference value. If it is determined that the pressure difference value is greater than the preset pressure difference value, it indicates that the second cooling liquid supplied by the heat exchanger 111 to the secondary-side liquid circulation pipe 13 is If the flow rate is large, step S33 is executed to reduce the rotation speed of the second pump 118. To reduce the rotation speed of the second pump 118, the logic controller 122 generates a fifth control signal and transmits the fifth control signal to the second pump 118. The five control signals reduce its rotation speed to reduce the flow rate of the second cooling liquid supplied from the heat exchanger 111 to the secondary-side liquid circulation line 13.

若判斷壓差值小於預設壓差值時,表示熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量較小,則執行步驟S34,增加第二泵118的轉速,增加第二泵118的轉速是邏輯控制器122產生第六控制信號,並傳輸第六控制信號至第二泵118,第二泵118根據第六控制信號降低其轉速,以增加熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量。若判斷壓差值等於預設壓差值時,則回至步驟S30。If it is determined that the pressure difference value is less than the preset pressure difference value, it indicates that the flow rate of the second cooling liquid supplied by the heat exchanger 111 to the secondary-side liquid circulation pipe 13 is small, step S34 is performed to increase the rotation speed of the second pump 118 To increase the speed of the second pump 118, the logic controller 122 generates a sixth control signal and transmits the sixth control signal to the second pump 118. The second pump 118 reduces its speed according to the sixth control signal to increase the heat exchanger 111. The flow rate of the second cooling liquid supplied to the secondary-side liquid circulation line 13. If it is determined that the differential pressure value is equal to the preset differential pressure value, the process returns to step S30.

上述通過比較壓差值與預設壓差值,判斷熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量相對於二次側液體循環管路13供應至熱交換器111的待降溫液體的流量大或小,通過邏輯控制器122控制第二泵118的轉速,調整熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量,並讓熱交換器111供應至二次側液體循環管路13的第二冷卻液體的流量與二次側液體循環管路13供應至熱交換器的待降溫液體的流量相同,保證液冷系統1的運行穩定性。上述模式主要用於二次側液體循環管路13的部份管路插入機櫃伺服器2或從機櫃伺服器2拔除,即對機櫃伺服器2進行插拔維護時,同時確保其他機櫃伺服器2的流量基本不變,保證安全運行。The above-mentioned comparison of the pressure difference value and the preset pressure difference value determines that the flow rate of the second cooling liquid supplied by the heat exchanger 111 to the secondary liquid circulation pipe 13 is relative to the secondary side liquid circulation pipe 13 supplied to the heat exchanger. The flow rate of the liquid to be cooled 111 is large or small, and the rotation speed of the second pump 118 is controlled by the logic controller 122 to adjust the flow rate of the second cooling liquid supplied by the heat exchanger 111 to the secondary liquid circulation pipeline 13 and allow the heat The flow rate of the second cooling liquid supplied from the exchanger 111 to the secondary-side liquid circulation line 13 is the same as the flow rate of the liquid to be cooled supplied from the secondary-side liquid circulation line 13 to the heat exchanger, ensuring the stable operation of the liquid cooling system 1 Sex. The above mode is mainly used for part of the secondary liquid circulation pipeline 13 to be inserted into or removed from the cabinet server 2, that is, when the cabinet server 2 is plugged and maintained, other cabinet servers 2 are also ensured. The traffic is basically unchanged to ensure safe operation.

綜上所述,根據本申請的技術方案,通過液冷方式冷卻機櫃伺服器,液冷系統的能效比在1.3以下,幾乎沒有噪音,無需低進水溫度,充分利用自然冷源,使用冷卻塔可滿足散熱需求。本申請使用液冷方式進行冷卻,減少空調系統的設置,液冷系統佔用機櫃伺服器的空間小,讓機櫃伺服器中能容納更多的伺服器。然本申請的本申請的液冷系統的冷卻能力好,提高機資料中心的熱流密度,節省占地面積,同時不受海拔和地域的限制,在任何地方均能正常工作。In summary, according to the technical solution of this application, the cabinet server is cooled by liquid cooling. The energy efficiency ratio of the liquid cooling system is less than 1.3, there is almost no noise, no low water temperature is required, the natural cold source is fully utilized, and the cooling tower is used. To meet cooling needs. This application uses a liquid cooling method for cooling, reducing the setting of the air-conditioning system. The liquid cooling system occupies less space in the cabinet server, so that the cabinet server can accommodate more servers. However, the liquid cooling system of the present application has good cooling capacity, improves the heat flow density of the machine data center, saves floor space, and is not subject to altitude and geographical restrictions, and can work normally in any place.

上述僅為本申請的實施方式而已,並不用於限制本申請。對於本領域技術人員來說,本申請可以有各種更改和變化。凡在本申請的精神和原理的內所作的任何修改、等同替換、改進等,均應包括在本申請的權利要求範圍之內。The foregoing is merely an implementation of the present application, and is not intended to limit the present application. For those skilled in the art, this application may have various modifications and changes. Any modification, equivalent replacement, and improvement made within the spirit and principle of this application shall be included in the scope of the claims of this application.

1‧‧‧液冷系統1‧‧‧ Liquid cooling system

10‧‧‧一次側液體循環管路10‧‧‧Primary liquid circulation pipeline

101‧‧‧一次側液體輸入管101‧‧‧Primary liquid inlet tube

102‧‧‧一次側液體輸出管102‧‧‧Primary liquid output tube

103‧‧‧一次側液體輸入支管103‧‧‧Primary side liquid inlet branch pipe

104‧‧‧一次側液體輸出支管104‧‧‧Primary liquid outlet branch pipe

11‧‧‧冷卻分配控制裝置11‧‧‧ Cooling distribution control device

111‧‧‧熱交換器111‧‧‧ heat exchanger

112‧‧‧一次側輸入管路112‧‧‧Primary input line

113‧‧‧一次側輸出管路113‧‧‧Primary output line

114‧‧‧一次側控制閥114‧‧‧Primary control valve

115‧‧‧水槽115‧‧‧Sink

116‧‧‧第一泵116‧‧‧The first pump

117‧‧‧二次側輸出管路117‧‧‧Secondary output line

118‧‧‧第二泵118‧‧‧Second Pump

119‧‧‧二次側輸入管路119‧‧‧ secondary input line

120‧‧‧第一溫度感測器120‧‧‧The first temperature sensor

121‧‧‧第二溫度感測器121‧‧‧Second temperature sensor

122‧‧‧邏輯控制器122‧‧‧Logic Controller

123‧‧‧環境溫度感測器123‧‧‧Ambient temperature sensor

124‧‧‧環境濕度感測器124‧‧‧Ambient Humidity Sensor

13‧‧‧二次側液體循環管路13‧‧‧ secondary liquid circulation pipeline

131‧‧‧二次側液體輸入管131‧‧‧ secondary side liquid inlet tube

132‧‧‧二次側液體輸出管132‧‧‧ secondary side liquid output tube

133‧‧‧二次側液體輸入支管133‧‧‧ secondary side liquid input branch pipe

134‧‧‧二次側液體輸出支管134‧‧‧ secondary side liquid output branch pipe

2‧‧‧機櫃伺服器2‧‧‧ Cabinet Server

21‧‧‧液體輸入管路接頭21‧‧‧Liquid input pipe connector

22‧‧‧液體輸出管路接頭22‧‧‧Liquid output pipe connector

23‧‧‧連接頭23‧‧‧Connector

24‧‧‧伺服器24‧‧‧Server

241‧‧‧發熱元件241‧‧‧Heating element

25‧‧‧液冷模組25‧‧‧Liquid cooling module

251‧‧‧液體輸入接頭251‧‧‧Liquid input connector

252‧‧‧冷卻板252‧‧‧ cooling plate

253‧‧‧液體流通塊253‧‧‧Liquid circulation block

2531‧‧‧散熱鰭片2531‧‧‧Heat fins

步驟 S10‧‧‧偵測流至二次側液體循環管路的第二冷卻液體的溫度Step S10‧‧‧ detects the temperature of the second cooling liquid flowing to the secondary-side liquid circulation pipeline

步驟 S11‧‧‧判斷第二冷卻液體的溫度是否大於預設溫度值Step S11‧‧‧ determines whether the temperature of the second cooling liquid is greater than a preset temperature value

步驟 S12‧‧‧提高一次側控制閥的開度Step S12‧‧‧ Increase the opening of the primary control valve

步驟 S13‧‧‧減小一次側控制閥的開度Step S13‧‧‧ Reduce the opening degree of the primary control valve

步驟 S20‧‧‧偵測流至二次側液體循環管路的第二冷卻液體的溫度Step S20‧‧‧ detects the temperature of the second cooling liquid flowing to the secondary-side liquid circulation pipeline

步驟 S21‧‧‧偵測輸入至熱交換器的待降溫液體的溫度Step S21‧‧‧ detects the temperature of the liquid to be cooled input to the heat exchanger

步驟 S22‧‧‧判斷溫差值是否大於預設溫差值Step S22‧‧‧ determines whether the temperature difference is greater than a preset temperature difference

步驟 S23‧‧‧增加第二泵的轉速Step S23‧‧‧ Increase the speed of the second pump

步驟 S24‧‧‧降低第二泵的轉速Step S24‧‧‧ Reduce the speed of the second pump

步驟 S30‧‧‧偵測流至二次側液體循環管路的第二冷卻液體的液壓Step S30‧‧‧ detects the hydraulic pressure of the second cooling liquid flowing to the secondary-side liquid circulation pipeline

步驟 S31‧‧‧偵測輸入至熱交換器的待降溫液體的液壓Step S31‧‧‧ detects the hydraulic pressure of the liquid to be cooled input to the heat exchanger

步驟 S32‧‧‧判斷壓差值是否大於預設壓差值Step S32‧‧‧ determines whether the pressure difference value is greater than a preset pressure difference value

步驟 S33‧‧‧降低第二泵的轉速Step S33‧‧‧ Reduce the speed of the second pump

步驟 S34‧‧‧增加第二泵的轉速Step S34‧‧‧ Increase the speed of the second pump

此處所說明的附圖用來提供對本申請的進一步理解,構成本申請的一部分,本申請的示意性實施例及其說明用於解釋本申請,並不構成對本申請的不當限定。在附圖中: 第1圖是本申請一實施方式的液冷系統的示意圖。 第2圖是本申請一實施方式的冷卻分配控制裝置的示意圖。 第3圖是本申請一實施方式的二次側液體循環管路連接機櫃伺服器的示意圖。 第4圖是本申請一實施方式的伺服器的示意圖。 第5圖是本申請一實施方式的冷卻分配控制裝置進行溫度控制的流程圖。 第6圖是本申請一實施方式的冷卻分配控制裝置進行流量控制的第一模式流程圖。 第7圖是本申請一實施方式的冷卻分配控制裝置進行流量控制的第二模式流程圖。The drawings described here are used to provide a further understanding of the present application and constitute a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings: FIG. 1 is a schematic diagram of a liquid cooling system according to an embodiment of the present application. FIG. 2 is a schematic diagram of a cooling distribution control device according to an embodiment of the present application. FIG. 3 is a schematic diagram of a secondary side liquid circulation pipeline connected to a cabinet server according to an embodiment of the present application. FIG. 4 is a schematic diagram of a server according to an embodiment of the present application. FIG. 5 is a flowchart of temperature control performed by the cooling distribution control device according to the embodiment of the present application. FIG. 6 is a flowchart of a first mode of flow control performed by the cooling distribution control device according to an embodiment of the present application. FIG. 7 is a flowchart of a second mode in which the cooling distribution control device according to the embodiment of the present application performs flow control.

Claims (10)

一種用於機櫃伺服器的液冷系統,其包含: 一次側液體循環管路,其連接進水設備; 冷卻分配控制裝置,其連接所述一次側液體循環管路;以及 二次側液體循環管路,其連接所述冷卻分配控制裝置及至少一個機櫃伺服器; 其中,所述一次側液體循環管路輸入第一冷卻液體至所述冷卻分配控制裝置,所述二次側液體循環管路輸入第二冷卻液體至每一個所述機櫃伺服器,所述第二冷卻液體流經對應的所述機櫃伺服器的至少一個伺服器,所述機櫃伺服器輸出待降溫液體至所述二次側液體循環管路,所述待降溫液體經所述二次側液體循環管路至所述冷卻分配控制裝置,所述第一冷卻液體與待降溫液體於所述冷卻分配控制裝置內進行熱交換,所述冷卻分配控制裝置提供經熱交換的冷卻液體至所述二次側液體循環管路。A liquid cooling system for a cabinet server includes: a primary-side liquid circulation pipeline connected to a water inlet device; a cooling distribution control device connected to the primary-side liquid circulation pipeline; and a secondary-side liquid circulation pipeline Circuit, which connects the cooling distribution control device and at least one cabinet server; wherein the primary-side liquid circulation pipeline inputs a first cooling liquid to the cooling distribution control device, and the secondary-side liquid circulation pipeline inputs A second cooling liquid to each of the cabinet servers, the second cooling liquid flowing through at least one server of the corresponding cabinet server, and the cabinet server outputting the liquid to be cooled to the secondary liquid Circulation pipeline, the liquid to be cooled down to the cooling distribution control device via the secondary-side liquid circulation pipeline, the first cooling liquid and the liquid to be cooled down perform heat exchange in the cooling distribution control device. The cooling distribution control device provides heat-exchanged cooling liquid to the secondary-side liquid circulation pipeline. 如申請專利範圍第1項所述的用於機櫃伺服器的液冷系統,其中所述一次側液體循環管路包括一次側液體輸入管、一次側液體輸出管、至少一個一次側液體輸入支管及至少一個一次側液體輸出支管,所述一次側液體輸入管連接所述進水設備,至少一個所述一次側液體輸入支管連接所述一次側液體輸入管及冷卻分配控制裝置的一次側輸入端,至少一個所述一次側液體輸出支管連接所述一次側液體輸出管及冷卻分配控制裝置的一次側輸出端。The liquid cooling system for a cabinet server according to item 1 of the scope of patent application, wherein the primary liquid circulation pipeline includes a primary liquid input pipe, a primary liquid output pipe, at least one primary liquid input branch pipe, and At least one primary liquid output branch pipe, the primary side liquid input pipe is connected to the water inlet device, at least one primary side liquid input branch pipe is connected to the primary side liquid input pipe and a primary input end of a cooling distribution control device, At least one of the primary liquid output branch pipes is connected to the primary liquid output pipe and a primary output end of a cooling distribution control device. 如申請專利範圍第1項所述的用於機櫃伺服器的液冷系統,其中所述二次側液體循環管路包括二次側液體輸入管、二次側液體輸出管、至少一個二次側液體輸入支管及至少一個二次側液體輸出支管,所述二次側液體輸入管及二次側液體輸出管分別連接所述冷卻分配控制裝置的二次液體輸出端及二次液體輸入端,至少一個所述二次側液體輸入支管連接所述二次側液體輸入管及對應的所述機櫃伺服器的液體輸入管路接頭,至少一個所述二次側液體輸出支管連接所述二次側液體輸出管及對應的所述機櫃伺服器的液體輸出管路接頭。The liquid cooling system for a cabinet server according to item 1 of the scope of patent application, wherein the secondary-side liquid circulation pipeline includes a secondary-side liquid input pipe, a secondary-side liquid output pipe, and at least one secondary side A liquid input branch pipe and at least one secondary-side liquid output branch pipe, and the secondary-side liquid input pipe and the secondary-side liquid output pipe are respectively connected to the secondary liquid output end and the secondary liquid input end of the cooling and distribution control device, at least One secondary side liquid input branch pipe is connected to the secondary side liquid input pipe and the corresponding liquid input pipe joint of the cabinet server, and at least one secondary side liquid output branch pipe is connected to the secondary side liquid The output pipe and the corresponding liquid output pipe joint of the cabinet server. 如申請專利範圍第3項所述的用於機櫃伺服器的液冷系統,其中所述液體輸入管路接頭及液體輸出管路接頭分別包括多個連接頭及與所述多個連接頭連通的流通空間,每一個所述二次側液體輸入支管連接所述液體輸入管路接頭的多個連接頭的一者,每一個所述二次側液體輸出支管連接所述液體輸出管路接頭的多個連接頭的一者。The liquid cooling system for a rack server according to item 3 of the scope of the patent application, wherein the liquid input pipe joint and the liquid output pipe joint respectively include a plurality of connection heads and a communication with the plurality of connection heads. Circulation space, each of the secondary side liquid input branch pipes is connected to one of a plurality of connectors of the liquid input pipe joint, and each of the secondary side liquid output branch pipes is connected to the liquid output pipe joint. One of the connector. 如申請專利範圍第4項所述的用於機櫃伺服器的液冷系統,其中每一個所述機櫃伺服器包括多個伺服器,每一個所述服務器具有液冷模組,所述液冷模組具有液體輸入接頭、至少一個冷卻板及至少一個液體流通塊,至少一個所述冷卻板設置於所述伺服器的發熱元件,所述液體輸入接頭通過管路連接所述液體輸入管路接頭的多個連接頭的一者,並通過管路連接至少一個所述冷卻板,至少一個所述冷卻板通過管路連接至少一個所述液體流通塊,至少一個所述液體流通塊通過管路連接所述液體輸出管路接頭的多個連接頭的一者。The liquid cooling system for a cabinet server according to item 4 of the scope of the patent application, wherein each of the cabinet servers includes a plurality of servers, each of the servers has a liquid cooling module, and the liquid cooling module The group has a liquid input connector, at least one cooling plate, and at least one liquid circulation block. At least one of the cooling plates is provided on a heating element of the server. The liquid input connector is connected to the liquid input pipeline connector through a pipeline. One of a plurality of connection heads, and connected to at least one of the cooling plates through a pipeline, at least one of the cooling plates is connected to at least one of the liquid circulation blocks through a pipeline, and at least one of the liquid circulation blocks is connected to a pipeline through a pipeline One of a plurality of connection heads of the liquid output pipe joint. 如申請專利範圍第1項所述的用於機櫃伺服器的液冷系統,其中所述冷卻分配控制裝置包括熱交換器、一次側輸入管路、一次側輸出管路、一次側控制閥、水槽、第一泵、二次側輸出管路、第二泵、二次側輸入管路、第一溫度感測器、第二溫度感測器、邏輯控制器、環境溫度感測器及環境濕度感測器,所述一次側輸入管路及一次側輸出管路的一端分別連接所述熱交換器,其另一端分別連接所述 一次側液體循環管路的一次側液體輸入管及一次側液體輸出管,所述一次側控制閥連接在所述一次側輸入管路以及一次側輸出管路間;所述水槽連接所述熱交換器,所述第一泵連接所述水槽及進水設備,所述第二泵通過管路連接所述水槽,所述二次側輸出管路連接所述第二泵及二次側液體循環管路的二次側液體輸入管,所述二次側輸入管路連接所述熱交換器及二次側液體循環管路的二次側液體輸出管,所述第一溫度感測器設置於所述二次側輸出管路,所述第二溫度感測器設置於所述二次側輸入管路,所述邏輯控制器電性連接所述一次側控制閥、第一泵、第二泵、第一溫度感測器、第二溫度感測器、環境溫度感測器及環境濕度感測器。The liquid cooling system for a cabinet server according to item 1 of the scope of patent application, wherein the cooling distribution control device includes a heat exchanger, a primary input pipeline, a primary output pipeline, a primary control valve, and a water tank , The first pump, the secondary output line, the second pump, the secondary input line, the first temperature sensor, the second temperature sensor, the logic controller, the ambient temperature sensor and the ambient humidity sensor One end of the primary input pipe and the primary output pipe is connected to the heat exchanger, and the other end is connected to the primary liquid input pipe and the primary liquid output of the primary liquid circulation pipe, respectively. Pipe, the primary control valve is connected between the primary input pipeline and the primary output pipeline; the water tank is connected to the heat exchanger, and the first pump is connected to the water tank and water inlet equipment. The second pump is connected to the water tank through a pipeline, the secondary-side output pipeline is connected to the second pump and a secondary-side liquid input pipe of a secondary-side liquid circulation pipeline, and the secondary-side input pipeline Connecting the heat exchanger and The secondary side liquid output pipe of the secondary side liquid circulation pipe, the first temperature sensor is disposed on the secondary side output pipe, and the second temperature sensor is disposed on the secondary side input pipe. Circuit, the logic controller is electrically connected to the primary-side control valve, the first pump, the second pump, the first temperature sensor, the second temperature sensor, the ambient temperature sensor, and the ambient humidity sensor . 如申請專利範圍第6項所述的用於機櫃伺服器的液冷系統,其中所述第一溫度感測器供應至所述二次側迴圈管路的第二冷卻液體的溫度,並產生第一溫度信號至所述邏輯控制器,所述邏輯控制器判斷所述待將溫液體第二冷卻液體的溫度大於預設溫度值,所述邏輯控制器產生第一控制信號至所述一次側控制閥,所述一次側控制閥根據所述第一控制信號提高其開度;所述邏輯控制器判斷所述第二冷卻液體的溫度小於所述預設值,所述邏輯控制器產生第二控制信號至所述一次側控制閥,所述一次側控制閥根據所述第二控制信號減小其開度;其中所述預設值是所述邏輯控制器根據所述環境溫度感測器所偵測的環境溫度及所述環境濕度感測器所偵測的環境濕度計算出露點溫度。The liquid cooling system for a rack server according to item 6 of the patent application scope, wherein the first temperature sensor supplies the temperature of the second cooling liquid to the secondary-side loop pipe, and generates A first temperature signal to the logic controller, the logic controller determines that the temperature of the warm liquid to be cooled and the second cooling liquid is greater than a preset temperature value, and the logic controller generates a first control signal to the primary side A control valve, the primary control valve increasing its opening degree according to the first control signal; the logic controller determining that the temperature of the second cooling liquid is less than the preset value, and the logic controller generating a second A control signal to the primary-side control valve, the primary-side control valve reducing its opening degree according to the second control signal; wherein the preset value is a value determined by the logic controller according to the ambient temperature sensor The detected ambient temperature and the ambient humidity detected by the ambient humidity sensor calculate a dew point temperature. 如申請專利範圍第6項所述的用於機櫃伺服器的液冷系統,其中所述第一溫度感測器偵測供應至所述二次側迴圈管路的第二冷卻液體的溫度,並產生第一溫度信號至所述邏輯控制器;所述第二溫度感測器偵測所述二次側迴圈管路輸入的待降溫液體的溫度,並產生第二溫度信號至所述邏輯控制器;所述邏輯控制器根據所述第一溫度信號及第二溫度信號計算出所述第二冷卻液體的溫度與所述待降溫液體的溫度的溫差值;所述邏輯控制器判斷所述溫差值大於預設溫差值,其產生第三控制信號至所述第二泵,所述第二泵根據所述第三控制信號增加其轉速;所述邏輯控制器判斷所述差值小於預設值,其產生第四控制信號至所述第二泵,所述第二泵根據所述第四控制信號降低其轉速。The liquid cooling system for a cabinet server according to item 6 of the scope of the patent application, wherein the first temperature sensor detects a temperature of a second cooling liquid supplied to the secondary-side loop pipe, And generating a first temperature signal to the logic controller; the second temperature sensor detects the temperature of the liquid to be cooled input from the secondary loop circuit, and generates a second temperature signal to the logic A controller; the logic controller calculates a temperature difference between the temperature of the second cooling liquid and the temperature of the liquid to be cooled according to the first temperature signal and the second temperature signal; the logic controller determines that The temperature difference value is greater than a preset temperature difference value, which generates a third control signal to the second pump, and the second pump increases its rotation speed according to the third control signal; the logic controller determines that the difference value is less than a preset value Value, which generates a fourth control signal to the second pump, and the second pump reduces its speed according to the fourth control signal. 如申請專利範圍第6項所述的用於機櫃伺服器的液冷系統,其中所述冷卻分配控制裝置更包括第一壓力感測器及第二壓力感測器,所述第一壓力感測器設置於所述二次側輸出管路,所述第二壓力感測器設置於所述二次側輸入管路,所述第一壓力感測器及第二壓力感測器電性連接所述邏輯控制器。The liquid cooling system for a rack server according to item 6 of the patent application scope, wherein the cooling distribution control device further includes a first pressure sensor and a second pressure sensor, and the first pressure sensor The second pressure sensor is disposed on the secondary side output pipeline, the second pressure sensor is disposed on the secondary side input pipeline, and the first pressure sensor and the second pressure sensor are electrically connected to each other. Said logic controller. 如申請專利範圍第9項所述的用於機櫃伺服器的液冷系統,其中所述第一壓力感測器偵測供應至所述二次側迴圈管路的第二冷卻液體的液壓,並產生第一壓力信號至所述邏輯控制器;所述第二壓力感測器偵測所述二次側迴圈管路輸入的待降溫液體的液壓,並產生第二壓力信號至所述邏輯控制器;所述邏輯控制器根據所述第一壓力信號及第二壓力信號計算出所述第二冷卻液體的液壓與所述待降溫液體的液壓的壓差值;所述邏輯控制器判斷所述壓差值大於預設壓差值,其產生第五控制信號至所述第二泵,所述第二泵根據所述第五控制信號降低其轉速;所述邏輯控制器判斷所述壓差值小於預設壓差值,其產生第六控制信號至所述第二泵,所述第二泵根據所述第六控制信號提高其轉速。The liquid cooling system for a cabinet server according to item 9 of the scope of the patent application, wherein the first pressure sensor detects a hydraulic pressure of a second cooling liquid supplied to the secondary loop circuit, And generate a first pressure signal to the logic controller; the second pressure sensor detects the hydraulic pressure of the liquid to be cooled input from the secondary loop circuit, and generates a second pressure signal to the logic A controller; the logic controller calculates a pressure difference between the hydraulic pressure of the second cooling liquid and the hydraulic pressure of the liquid to be cooled according to the first pressure signal and the second pressure signal; The pressure difference value is greater than a preset pressure difference value, which generates a fifth control signal to the second pump, and the second pump reduces its rotation speed according to the fifth control signal; the logic controller determines the pressure difference When the value is smaller than the preset pressure difference value, it generates a sixth control signal to the second pump, and the second pump increases its rotation speed according to the sixth control signal.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112105238A (en) * 2020-09-24 2020-12-18 安擎(天津)计算机有限公司 Liquid cooling system for server and control method thereof
TWI818785B (en) * 2022-10-28 2023-10-11 美商美超微電腦股份有限公司 Cooling device and cooling method for rack server

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112105238A (en) * 2020-09-24 2020-12-18 安擎(天津)计算机有限公司 Liquid cooling system for server and control method thereof
TWI818785B (en) * 2022-10-28 2023-10-11 美商美超微電腦股份有限公司 Cooling device and cooling method for rack server

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