TWI761710B - Cooling distribution unit for server rack - Google Patents

Abstract

A Cooling Distribution Unit for a server rack includes a main body with a couple of pumps. The main body has a fixed shell and an activity shell, and the activity shell opens or closes relatively to the main body. The activity shell is provided at a front section of a drawing direction of the main body to correspond to the pumps. The pumps are removably connected a transmission tube portion via a plurality of connectors. The main body is drawn out from a server rack to expose the activity shell and to hold the fixed shell within the server rack.

Description

Liquid cooling distribution unit for use in server racks

The present invention relates to a liquid cooling and distributing device used in a server cabinet, in particular to a liquid cooling device disposed in the server cabinet.

The advancement of science and technology can improve the convenience of human life, especially the current use of various data processing and the Internet all rely on the operation of electronic equipment. Therefore, electronic equipment with high-speed processing performance and large energy storage is widely used. applied in various enterprises.

Taking the traditional and conventional servo cabinet (cabinet) structure that can accommodate various heating elements in IT, communication, industry, transportation, transportation, etc. as an illustration, the interior of the servo cabinet (cabinet) is a closed accommodation space. The storage space can accommodate a plurality of heating elements (which can be a central processing unit (CPU), a microprocessor or a chip or a single chip or other units or devices that generate heat sources due to electric drive, etc.), and conventionally, closed heat dissipation is generally used. The method (ie, heat dissipation in the servo cabinet) is that the heating elements are directly provided with water-cooled heads and attached to each heating element, and a working fluid inside is brought to the inside of the servo cabinet by a tube body and a pump. The water drain is used to dissipate heat, and the air in the accommodating space of the case (cabinet) is driven by a fan arranged on the water drain, so that the working fluid that absorbs heat in the water drain exchanges heat with the gas inside the case (cabinet). , in order to achieve the effect of heat dissipation and reduce the temperature of each heating element. However, the closed (inside the servo cabinet) heat dissipation method will cause the servo cabinet to increase in temperature with the increase of working time and form accumulated heat, which will cause the heat to be unable to dissipate heat, resulting in poor heat exchange effect.

Therefore, some manufacturers also adopt open heat dissipation, that is, heat exchange is carried out through the drain or cold water outside the server cabinet. However, this method is conventionally adopted in the server cabinet. Another cold water distribution device is installed in the server cabinet (Cooling Distribution Unit; CDU), the cold water distribution device is provided with a plate heat exchanger, a water storage unit, a pump, etc., and through the cold water distribution device and an external water source to form a first side fluid circuit, and through the cold water distribution The device and the heat source in the servo cabinet form a second-side fluid circuit, thereby helping the servo cabinet to dissipate heat.

However, in the other conventional technology mentioned above, when the internal parts of the cold water distribution device (such as pipes or joints or pumps or other components, etc.) are faulty and need to be repaired, the operation of the servo cabinet and the cold water distribution device must be stopped, and the operation of the cold water distribution device must be stopped after the repair is completed and then restarted. Start both, so time consuming. Furthermore, during maintenance, the whole cold water distribution device must be pulled (pulled) out of the servo cabinet, but for the servo cabinet placed in a small space, there is no way to pull out the whole cold water distribution device to open the shell for maintenance. , resulting in difficult maintenance. Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the inventor of this case and the relevant manufacturers engaged in this industry are eager to research and improve.

An object of the present invention is to provide a liquid cooling distribution device that does not need to stop the operation of the cabinet and can easily and/or quickly replace the faulty unit.

Another object of the present invention is to provide a liquid cooling distribution device used in a server cabinet, which can replace the internal parts of the liquid cooling distribution device only by partially pulling out the cooling distribution device from the cabinet. All cooling distribution units need to be moved out of the cabinet.

Another object of the present invention is to provide a liquid cooling distribution device for use in a server cabinet with two pumps, when one of the pumps fails, the other can continue to operate to maintain uninterrupted server operation.

In order to achieve the above object, the present invention provides a liquid cooling distribution device for use in a server cabinet, comprising: a body having a base and a casing connected to the base, and an internal space defined between the base and the casing In the body, the casing has a fixed casing part and a movable casing part, the movable casing part is opened or closed relative to the base; a first pump and a second pump are arranged in the inner space corresponding to the movable casing part, and the The first pump and the second pump are respectively connected to a transmission tube set through a first connection head group and a second connection head group, and the transmission tube group is connected to a liquid reservoir and a heat exchange set in the inner space the heat exchanger, and the heat exchanger corresponds to the fixed shell.

The aforementioned system is arranged in a cabinet, and is pulled out from the cabinet along a moving direction to reveal the movable shell portion, the fixed shell portion is in the cabinet, the movable shell portion is located in the front section of the moving direction, and the fixed shell portion is located at the back of this movement direction.

The aforementioned fixed shell portion and the movable shell portion are arranged in parallel along a longitudinal direction of the base.

The aforesaid movable shell part is an upper flip cover or a side flip cover or a sliding cover or a double flip cover that opens upward.

The aforementioned movable shell is opened to form an opening to communicate with the inner space.

The aforementioned transmission tube set has a first and two external terminal sets.

The first pump and the second pump are connected to a control unit.

The first pump and the second pump are connected in parallel or in series through the transmission tube group.

The aforementioned heat exchanger is connected to a fan group.

The aforementioned first connecting head group and a second connecting head group are flange joints, threaded joints or quick joints.

The aforementioned base has a front end plate and a rear end plate to form the front and rear boundaries of the inner space.

In order to achieve the above object, the present invention further provides a liquid cooling distribution device for use in a server cabinet, comprising: a main body having a fixed casing part and a movable casing part arranged in parallel along a longitudinal direction of the main body, The movable shell is opened or closed relative to the body; a liquid reservoir is arranged in the body; a heat exchanger is arranged in the body and corresponds to the fixed shell; a first pump and a second The pump is arranged in the body and corresponds to the movable shell. The pumps are pluggably connected to a transmission tube set through a first connector set and a second connector set, and through the transmission tube The accumulator and the heat exchanger are communicated together.

The aforementioned system is arranged in a cabinet, the movable shell is located at a front section in the longitudinal direction of the main body, the fixed shell section is located in a rear section in the longitudinal direction of the main body, and the main body is pulled out from the cabinet to expose the front section. the movable shell.

The aforesaid movable shell part is an upper flip cover or a side flip cover or a sliding cover or a double flip cover that opens upward.

The aforementioned movable shell is opened to form an opening corresponding to the first and second pumps.

The aforementioned transmission tube set has an external terminal set.

The first and second pumps are connected to a control unit.

The first pump and the second pump are connected in parallel or in series through the transmission tube group.

The aforementioned heat exchanger is connected to a fan group.

The aforementioned first connecting head group and the second connecting head group are flange joints, threaded joints or quick joints.

The aforementioned main body has a front end plate and a rear end plate to form a front and rear boundary of the box.

In order to achieve the above object, the present invention further provides a liquid cooling distribution device used in a server cabinet, comprising: a main body having a fixed casing part and a movable casing part, the movable casing part is located in a drawing direction of the main body The front section is opened or closed relative to the main body; two pumps are arranged in the main body to correspond to the movable shell, and the two pumps are pluggably connected to a transmission tube group through a connector group, Moving the body to a front section of the body opens the movable shell to replace any one of the pumps.

11: Ontology

111: Pedestal

1111: Front panel

1112: Rear end plate

112: Shell

1121: Active shell

1122: Fixed shell

1123: Opening

113: Interior Space

12: First pump

121: The first inlet end

122: The first outlet port

13: Second pump

131: Second inlet port

132: Second outlet port

14: The first connector group

15: The second connector group

16: Control unit

17: Transmission tube set

171: Input tube

172: output tube

173: The first external terminal

174: The second external terminal

18: Reservoir

19: Heat Exchanger

191: Fan Set

20: Body components

30: Server Cabinet

L: Pulling direction

Figure 1A is a schematic exploded perspective view of the present invention; Figure 1B is a schematic exploded perspective view of the present invention from another perspective; Figure 1C is a schematic three-dimensional assembly schematic view of the present invention; Figure 3A-3D are schematic diagrams of different types of connectors of the present invention; Figure 4A is a three-dimensional schematic diagram of the liquid cooling distribution device of the present invention installed in a server cabinet; Figure 4B is a schematic diagram of the liquid cooling distribution device of the present invention being pulled out from the server cabinet to reveal the movable shell; Figure 4C is a schematic diagram of the movable shell of the liquid cooling distribution device of the present invention being opened to replace internal parts.

The above-mentioned objects of the present invention and their structural and functional characteristics will be described with reference to the preferred embodiments of the accompanying drawings.

The present invention provides a liquid cooling distribution device used in a server cabinet. Please refer to Fig. 1A for an exploded perspective view of the present invention; Fig. 1B for an exploded perspective view of the present invention; and Fig. 1C for a perspective view of the present invention Schematic diagram of the combination. As shown in the figure, a liquid cooling distribution device is applied to a server cabinet (such as servers, network communication equipment) in a data center (such as a computer room or a house), the cabinet is used to store data equipment, and the cabinet is provided with liquid conduits to help Dissipate heat from various operating equipment in the cabinet. The liquid cooling distribution device includes a main body 11 having a base 111 and a casing 112 connected to the base 111 , an inner space 113 defined in the base 111 and the casing 112 , the base 111 having a front end plate 1111 and a rear end plate 1112 form a front boundary and a rear boundary of the inner space 113 and the main body 11 .

A first pump 12 and a second pump 13 are disposed in the inner space 113 , and the first pump 12 and the second pump 13 are respectively connected through a first connection head group 14 and a second connection head group 15 A transmission tube set 17 is connected. In this figure, a first inlet end 121 and a first outlet end 122 of the first pump 12 are connected to an input tube 171 of the transmission tube set 17 via the first connector set 14 and an output pipe 172 , a second inlet end 131 and a second outlet end 132 of the second pump 13 are connected to the input pipe 171 and the output pipe 172 of the transmission pipe group 17 through the second connector group 15 .

The first pump 12 and the second pump 13 communicate with a reservoir 18 and a heat exchanger 19 disposed in the inner space 113 via the transfer tube set 17, and the transfer tube set 17 has a first external end 173 and a second external end 174 are respectively connected to external (cabinet) liquid conduits, so that the externally heated liquid passes through the first The external terminal 173 flows into the main body 11 , and then the cooling liquid in the main body 11 flows to the outside (cabinet) through the second external terminal 174 .

The aforementioned accumulator 18 is provided between the heat exchanger 19 and the first and second pumps 12 and 13. The accumulator 18 is used to temporarily store the liquid passing through the heat exchanger 19 as a buffer. 19 is, for example, a plate heat exchanger or a fin radiator, but is not limited to this, the heat exchanger 19 is used to provide heat dissipation of high temperature liquid or heat exchange operation between high temperature liquid and low temperature liquid, in this implementation of the heat exchange The heat exchanger 19 is connected to a fan group 191, and the heat exchange efficiency of the heat exchanger 19 is improved by the fan group 191. In one implementation, the heat exchanger 19 is connected to a cold water source, so that the heat exchanger 19 is circulated by a low temperature liquid and is transmitted from The high temperature liquid of the tube group 17 produces heat exchange.

The first pump 12 and the second pump 13 are connected to a control unit 16 and are connected in parallel or in series through the transmission tube group 17. If they are connected in parallel, the liquid passes through the first pump 12 and the second pump 13 at the same time to speed up the process. The liquid flow rate, if connected in series, the liquid will pass through the first pump 12 and the second pump 13 successively to increase the liquid pressure. Furthermore, the first pump 12 and the second pump 13 operate together, or one of the pumps operates the other as a backup. Thus, when the operating pump is damaged, the other pump can continue to operate or start operating to prevent the liquid cooling dispensing device from shutting down.

Furthermore, the aforementioned casing 112 has a movable casing portion 1121 and a fixed casing portion 1122. The fixed casing portion 1122 corresponds to the heat exchanger 19 and is fixedly connected to the base 111 by connecting means (such as screw locking or riveting). , the movable shell portion 1121 is opened or closed relative to the base 111 . In this implementation, the movable shell portion 1121 is disposed in the front section of the main body 11 in a pulling direction corresponding to the first pump 12 and the second pump 13. The fixed shell portion 1122 is disposed at the rear section of the main body 11 in the drawing direction corresponding to the heat exchanger 19 . In other words, the movable shell portion 1121 and the fixed shell portion 1122 are disposed in parallel along a longitudinal direction of the main body 11 , wherein the movable shell portion 1121 and the fixed shell portion 1122 are located on the front end plate 1111 and the rear end plate 1112 and the movable shell part 1121 is close to the front end plate 1111 and, for example but not limited to, is located at the front 1/3 or 1/2 of the longitudinal direction of the main body 11 , and the fixed shell part 1122 is close to the rear end plate 1112 .

Please continue to refer to Sections 2A-2E for the schematic diagrams of the opening of different types of movable casings of the present invention. As shown in the figure, the movable shell portion 1121 is opened relative to the base 111 to form an opening 1123 to communicate with the inner space 113 , and the movable shell portion 1121 is connected to the inner space 113 through a movable connection means (such as a screw lock or a hinge or a chute or a linear slide rail). etc.) are connected to the base 111 . In some implementations, the movable shell portion 1121 is, for example, an upper flip cover that opens upwards (as shown in FIG. 2A ), or a side flip cover that opens to the side (as shown in FIGS. 2B and 2D ), or a sliding opening. A sliding cover (as shown in Figure 2C), or a double flip cover (as shown in Figure 2E). It should be noted that, if it is a sliding cover type, in one implementation, one of the movable housing 1121 and the base 111 is provided with a male chute and the other is provided with a female chute matching the male chute, in another implementation Linear slide rails are arranged between the movable housing 1121 and the base 111 . In the case of a single-sided flip type or a double flip type, the movable casing 1121 is connected to the base 111 by a hinge.

Please continue to refer to Sections 3A to 3D for schematic diagrams of different types of connectors of the present invention. As shown in the figures, the aforementioned first connector set 14 and second connector set 15 are generally known connectors such as quick connectors (as shown in Figs. 3A and 3D ), flange connectors (as shown in Fig. 3B ) or threaded connectors (as in Figure 3C). It should be noted that, a valve element 20 can be optionally provided at one end of the first connecting head group 14 and the second connecting head group 15 located in the transmission tube group 17, when the first pump 12 or the second pump 13 When disassembled, the liquid in the transfer pipe 17 is prevented from flowing out by the valve body element 20 . In some implementations, if the quick connector (as shown in Figure 3D) has a check valve element, the valve body element 20 can be omitted. When the quick connector is connected, the liquid in the transmission tube set 17 flows to the first For the pump 12 and the second pump 13, when the quick connector is disconnected, the liquid in the transmission tube group 17 is blocked by the check valve element in the quick connector and will not flow out.

Please continue to refer to Figure 4A, which is a three-dimensional schematic diagram of the liquid cooling distribution device of the present invention installed in a server cabinet; Figure 4B is a schematic diagram of the liquid cooling distribution device of the present invention being pulled out from the server cabinet to reveal the movable shell. ; Figure 4C is a schematic diagram of the liquid cooling distribution device of the present invention, the movable shell is opened to replace the internal parts. As shown in the figure, the body 11 of the aforementioned liquid cooling distribution device is disposed in the server cabinet 30, leaving only the front end plate 1111 of the base 111 exposed, when the first pump 12 or the second pump 13 In the event of a fault, the main body 11 is partially pulled out from the server cabinet 30 along the pulling direction L, that is, the movable shell 1121 is exposed, so the main body 11 does not need to be completely pulled out from the server cabinet 30 Remove and maintain the fixed casing 1122 in the server cabinet 30, and then open the movable casing 1121 to expose the internal parts such as the first pump 12 and the second pump 13, but not limited thereto, such as a part of The transmission tube set 17 or the first and second connecting head sets 14 and 15 will also be exposed. In this embodiment, the first pump 12 is replaced, and the first pump is disassembled by loosening the first connecting head set 14 At this time, the second pump 13 (as shown in FIG. 1B ) can still keep running without interrupting the operation of the server cabinet 30 .

The creation has been described in detail above, but the above is only a preferred embodiment of the creation, and should not limit the scope of implementation of the creation. That is, all equivalent changes and modifications made in accordance with the scope of the application of this creation shall still fall within the scope of the patent of this creation.

11: Ontology

1111: Front panel

1112: Rear end plate

112: Shell

1121: Active shell

1122: Fixed shell

1123: Opening

113: Interior Space

12: First pump

121: The first inlet end

122: The first outlet port

14: The first connector group

16: Control unit

17: Transmission tube set

171: Input tube

172: output tube

173: The first external terminal

174: The second external terminal

18: Reservoir

19: Heat Exchanger

191: Fan Set

Claims (20)

A liquid cooling distribution device used in a server cabinet, comprising: a body having a base and a casing connected to the base, an internal space defined in the base and the casing, the casing having a fixed a shell part and a movable shell part, the movable shell part is opened or closed relative to the base; a first pump and a second pump are arranged in the inner space corresponding to the movable shell part, and the first pump and the second pump is respectively connected to a transmission tube group via a first connection head group and a second connection head group, and the transmission tube group communicates with a heat exchanger arranged in the inner space, wherein the heat exchanger corresponds to the Fixed shell. The liquid cooling distribution device for use in a server cabinet as described in claim 1, wherein the system is disposed in a cabinet, and is moved out of the cabinet along a drawing direction to expose the movable shell, holding the The fixed shell part is located in the cabinet, the movable shell part is located at a front section in the drawing direction of the main body, and the fixed shell part is located in a rear section in the drawing direction of the main body. The liquid cooling distribution device for use in a server cabinet as described in claim 1 or 2, wherein the fixed casing part and the movable casing part are arranged in parallel, and a liquid reservoir is connected to the first pump and between the second pump and the heat exchanger. The liquid cooling distribution device for use in a server cabinet as described in item 1 or 2 of the claimed scope, wherein the movable shell is a flip-up cover or a flip-up cover on one side or a sliding cover or a double-sided cover that opens upwards. Flip the lid. The liquid cooling distribution device used in the server cabinet as described in claim 1, wherein the movable shell portion is opened relative to the base to form an opening to communicate with the inner space. The liquid cooling distribution device used in a server cabinet as described in claim 1, wherein the transmission tube set has a first outer end and a second outer end. The liquid cooling distribution device for use in a server cabinet as described in item 1 of the claimed scope, wherein the first pump and the second pump are connected in parallel or in series through the transmission tube set. The liquid cooling distribution device used in the server cabinet as described in claim 1, wherein the first connector set and the second connector set are flange connectors, threaded connectors or quick connectors. The liquid cooling distribution device used in a server cabinet as described in claim 1, wherein the base has a front end plate and a rear end plate respectively forming a front boundary and a rear boundary of the interior space. A liquid cooling distribution device used in a server cabinet, comprising: a main body with a fixed casing part and a movable casing part arranged in parallel along a longitudinal direction of the main body, and the movable casing part is opened relative to the main body or closed; a liquid reservoir is arranged in the body; a heat exchanger is arranged in the body and corresponds to the fixed shell; a first pump and a second pump are arranged in the body And corresponding to the movable shell, the pumps are pluggably connected to a transfer tube set through a first connector set and a second connector set, and communicate with the reservoir and the heat through the transfer tube set. exchanger. The liquid cooling distribution device used in a server cabinet as described in item 10 of the scope of the application, wherein the main body is arranged in a cabinet, the movable casing is located at a front section in the longitudinal direction of the main body, and the fixed casing The body is located at a rear section in the longitudinal direction of the main body, and the front section of the main body is pulled out from the cabinet to reveal the movable shell. The liquid cooling distribution device for use in a server cabinet as described in claim 10 or 11, wherein the movable shell is a flip-up cover or a flip-up cover on one side or a sliding cover or a double-sided cover that opens upwards. Flip the lid. The liquid cooling distribution device used in the server cabinet as described in claim 10, wherein the movable shell portion is opened relative to the main body to form an opening corresponding to the first and second pumps. The liquid cooling distribution device used in the server cabinet as described in claim 10, wherein the transmission tube set has a first outer end and a second outer end. The liquid cooling distribution device for use in a server cabinet as described in claim 10, wherein the first pump and the second pump are connected in parallel or in series through the transmission tube set. The liquid cooling distribution device used in a server cabinet as described in claim 10, wherein the first connector set and the second connector set are flange connectors, threaded connectors or quick connectors. The liquid cooling distribution device used in a server cabinet as described in claim 10, wherein the main body has a front end plate and a rear end plate respectively forming a front boundary and a rear boundary of the main body. A liquid cooling distribution device used in a server cabinet, comprising: a body having a base, the base having a front end plate and a rear end plate, a fixed shell part and a movable shell part covering the base and between the front end plate and the rear end plate, wherein the movable shell part is close to the front end plate, and the fixed shell part is close to the rear end plate; the first pump and the second pump are arranged in the body close to the front end plate, and the first and second pumps are pluggably connected to a transmission tube set through a connector set, wherein the main body is pulled from the direction of the front end plate to expose the movable casing. The liquid cooling distribution device used in a server cabinet as described in claim 18, wherein the fixed casing part and the movable casing part are arranged in parallel. The liquid cooling distribution device used in the server cabinet as described in claim 18, wherein the movable shell portion is located at a front section of the main body in a longitudinal direction.

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