CN112739166A - Rear backboard unit of single cabinet liquid cooling system of data center and control method thereof - Google Patents
Rear backboard unit of single cabinet liquid cooling system of data center and control method thereof Download PDFInfo
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- CN112739166A CN112739166A CN202011564698.1A CN202011564698A CN112739166A CN 112739166 A CN112739166 A CN 112739166A CN 202011564698 A CN202011564698 A CN 202011564698A CN 112739166 A CN112739166 A CN 112739166A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20763—Liquid cooling without phase change
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
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Abstract
The invention discloses a single-cabinet liquid cooling system rear backboard unit of a data center, which comprises a rear backboard shell, wherein the rear backboard shell is arranged at the rear of a server cabinet; the liquid cooling circulation module is used for monitoring the flow rate and the temperature of water flowing in and out of each server; the exhaust system is used for collecting hot air flow exhausted by the server and exhausting the hot air flow to the outside of the cabinet through the exhaust port; the linear leakage-proof sensor is used for detecting leakage in the rear back plate unit of the single cabinet liquid cooling system of the data center; the electrical connection module is used for realizing the quick connection between the power supply connector and the signal connector and the electrical connection module in the process of plugging and unplugging the server, and transferring the signal interface of the server to the back side of the cabinet type quick plugging rear backboard unit; the control unit is used for receiving and outputting control signals and controlling all the components to operate in a coordinated mode.
Description
Technical Field
The invention relates to the technical field of data center heat dissipation and cooling, in particular to a rear backboard unit of a single cabinet liquid cooling system of a data center and a control method thereof.
Background
With the increasing demand of high speed and low delay of the communication industry, data centers gradually develop towards the direction of clustering and high density, and the problem of high energy consumption of the data centers is brought, the power consumption of the data centers in China continuously increases at the increasing speed of more than 12% for eight years since 2011, the total power consumption of the data centers is estimated to exceed 2600 hundred million degrees of electricity in 2023 years, the energy conservation of the data centers becomes one of the main directions of the development of the data centers, and the heat dissipation of the data centers becomes an important breakthrough point of the direction.
With the increasing of the heat flux density caused by the increase of the computing power of the data center, the air cooling technology used by the traditional data center gradually cannot meet the high heat caused by high computing power. Liquid cooling technology is gradually becoming widely used in new data centers due to the advantage of high heat dissipation power. The existing liquid cooling technology of the data center mainly comprises immersion type liquid cooling, direct cold plate type liquid cooling, indirect cold plate type liquid cooling and the like, wherein the immersion type liquid cooling technology causes the new construction and the overhigh maintenance cost due to the characteristics that a special case needs to be customized, the cooling liquid is expensive and the like; the direct cold plate type liquid cooling technology has the risk of leakage because the cooling liquid enters the inside of the server; although the indirect cold plate type liquid cooling technology does not allow cooling liquid to enter the interior of the case, the risk that the circuit at the outer end of the cabinet is conductive due to liquid leakage of the external cooling liquid still exists. No matter direct cold plate type liquid cooling or indirect cold plate type liquid cooling, the server is difficult to maintain due to the fact that liquid cooling pipelines are too complex to connect and the liquid cooling pipelines are inconvenient to pull out and insert. Based on the problems, the liquid cooling module, the liquid cooling pipeline and the electric wire pipeline are integrated in the unified rear backboard unit, the risk caused by leakage of cooling liquid can be effectively reduced, the modularized design is convenient to install, and the problem of difficult maintenance caused by complex existing pipelines of the liquid cooling technology of the data center is effectively solved.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a rear backplane unit of a liquid cooling system of a single cabinet of a data center and a control method thereof.
The purpose of the invention is realized by the following technical scheme:
a single rack liquid cooling system rear backplane unit of data center includes: the system comprises a rear backboard shell (1), a liquid cooling circulation module (2), an exhaust system (3), a linear leakage-proof sensor (4), an electric connection module (5) and a control unit (6); the rear backboard shell is arranged behind a server cabinet (8), and the liquid cooling circulation module (2), the exhaust system (3), the linear leakage-proof sensor (4), the electric connection module (5) and the control unit (6) are all arranged in the rear backboard;
the liquid cooling circulation module is used for monitoring the flow rate and the temperature of water flowing in and out of each server; the exhaust system is used for collecting hot air flow exhausted by the server and exhausting the hot air flow to the outside of the cabinet through the exhaust port; the linear leakage-proof sensor is used for detecting leakage in the rear back plate unit of the single cabinet liquid cooling system of the data center; the electrical connection module is used for realizing the quick connection between the power supply connector and the signal connector and the electrical connection module in the process of plugging and unplugging the server, and transferring the signal interface of the server to the back side of the cabinet type quick plugging rear backboard unit; the control unit is used for receiving and outputting control signals and controlling all the components to operate in a coordinated mode.
A control method for a rear backboard unit of a single cabinet liquid cooling system of a data center comprises the following steps:
s1, acting is performed through a circulating pump, cooling liquid enters the rear backboard of the single cabinet liquid cooling system of the data center from the liquid inlet, flows through a liquid inlet header pipe to enter the liquid cooling element, takes away heat conducted to the liquid cooling element by the heating chip, then flows through a liquid return header pipe, and flows out from the liquid outlet;
after the flow sensor in the S2 loop detects that the flow is lower than the set value L1, the control unit adjusts the liquid supplementing pump to input the cooling liquid in the liquid supplementing water tank into the loop;
s3, when the temperature of the cooling liquid measured by the temperature sensor in the loop exceeds the set value delta T1, the control unit adjusts the power of the circulating pump and reports a warning;
s4 when the linear leakage-proof sensor inside the rear backboard unit of the single cabinet liquid cooling system senses a water leakage signal, the control unit gives an alarm and shuts down the circulating pump, and the server is controlled to transfer the load to the standby server.
One or more embodiments of the present invention may have the following advantages over the prior art:
the invention provides a new solution for the complexity of the liquid cooling system pipeline of the cabinet of the data center, improves the convenience and the reliability of the operation and the maintenance of the liquid cooling server, greatly improves the operation safety of the liquid cooling data center and promotes the green development of the liquid cooling technology of the data center.
Drawings
FIG. 1 is a schematic diagram of a rear backplane unit of a single cabinet liquid cooling system of a data center according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a rear backplane unit of a single-cabinet liquid cooling system of a second data center according to an embodiment of the present invention;
FIG. 3 is a flow chart of the control of the rear backplane unit of the single cabinet liquid cooling system of the data center of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Example one
As shown in fig. 1, the single-cabinet liquid cooling system rear backplane unit of the data center comprises six parts, namely a rear backplane shell 1, a liquid cooling circulation module 2, an exhaust system 3, a linear leakage-proof sensor 4, an electrical connection module 5 and a control unit 6; the rear backboard shell is arranged behind the server cabinet 8, and the liquid cooling circulation module 2, the exhaust system 3, the linear leakage-proof sensor 4, the electric connection module 5 and the control unit 6 are all arranged in the rear backboard; .
The liquid cooling circulation module is used for monitoring the flow rate and the temperature of water flowing in and out of each server; the exhaust system is used for collecting hot air flow exhausted by the server and exhausting the hot air flow to the outside of the cabinet through the exhaust port; the linear leakage-proof sensor is used for detecting leakage in the rear back plate unit of the single cabinet liquid cooling system of the data center; the electrical connection module is used for realizing the quick connection between the power supply connector and the signal connector and the electrical connection module in the process of plugging and unplugging the server, and transferring the signal interface of the server to the back side of the cabinet type quick plugging rear backboard unit; the control unit is used for receiving and outputting control signals and controlling all the components to operate in a coordinated mode.
The rear backboard unit of the single-cabinet liquid cooling system of the data center is installed on the back of the server cabinet 8, a plurality of liquid cooling servers 7 are respectively installed on a plurality of sliding guide rails 801 in the server cabinet 8, and liquid cooling elements 706 are installed in the liquid cooling servers 7.
Rearmounted backplate shell 1 is used for bearing other spare parts of single rack liquid cooling system rearmounted backplate unit of data center, and rearmounted backplate shell includes: the quick connector mounting position 102 is used for realizing quick plugging between the liquid inlet female head 201 and the liquid return female head 202 and the liquid inlet male head 701 and the liquid return male head 702; the liquid receiving tank 103 is used for collecting leakage liquid generated in leakage and discharging the leakage liquid to the outside of the equipment through the water outlet 104, so that damage to components caused by leakage of the cooling liquid is prevented.
The rear backplane housing 1 includes: a shell 101, a quick joint mounting position 102, a liquid receiving groove 103 and a water outlet 104; the liquid receiving tank 103 and the water outlet 104 are arranged at the bottom of the rear backboard shell; the quick connector mounting position 102 is used for realizing quick plugging between the liquid inlet female head 201 and the liquid return female head 202 and the liquid inlet male head 701 and the liquid return male head 702; the liquid receiving tank 103 is used for collecting leakage liquid generated in leakage and discharging the leakage liquid to the outside of the equipment through the water outlet 104, so that damage to components caused by leakage of the cooling liquid is prevented.
The liquid cooling circulation module 2 is used for uniformly distributing externally input cooling liquid to the liquid cooling elements 706 of each liquid cooling server 7 and ensuring that the cooling liquid circulates in a pipeline; the liquid cooling circulation module comprises a liquid inlet mother head 201, a liquid return mother head 202, a liquid inlet header pipe 203, a liquid return header pipe 204, a branch flow sensor 205A, a main flow sensor 205B, a branch temperature sensor 206A, a main temperature sensor 206B, a circulation pump 207, a liquid supplementing pump 208, a liquid supplementing water tank 209, a liquid inlet 210 and a liquid outlet 211; the main temperature sensor is arranged in the liquid inlet main pipe, the main flow sensor is arranged in the liquid return main pipe, and the main temperature sensor and the main flow sensor are respectively used for detecting the temperature and the flow of the cooling liquid entering and exiting the cooling elements of each server in real time and transmitting the detected temperature data and the measured flow data of the cooling liquid to the control unit; the branch flow sensor 205A, the main flow sensor 205B, the branch temperature sensor 206A, the main temperature sensor 206B, the circulating pump 207 and the fluid infusion pump 208 are electrically connected to the control unit 6 respectively; the control unit 6 receives the sensor information and controls the circulation pump 207 and the replenishment pump 208.
The exhaust system 3 is used for exhausting extra heat generated by other electronic elements except a CPU (central processing unit) and generated inside the liquid cooling server 7 to the outside of the cabinet, the exhaust system 3 comprises an air inlet 301, a cavity 302, an exhaust fan 303 and an exhaust port 304, and the exhaust port 304 is connected with an exhaust pipe and used for exhausting hot gas to the outside of the cabinet.
The electric connection module 5 is arranged inside the rear backboard shell, a power supply and various signal interfaces required by the server are electrically connected with the electric connection module through the patch cord 503 and the bus and are led into the rear backboard unit back side of the single cabinet liquid cooling system of the data center, and the power supply adapter 50101 and the signal adapter 50102 are installed on the electric connection module 5.
The liquid cooling server 7 is provided with two liquid cooling connectors, two electrical connectors and a server air outlet 705, wherein the two liquid cooling connectors are a liquid inlet male connector 701 and a liquid return male connector 702 respectively; the two electrical connectors are a power connector 703 and a signal connector 704. When the liquid cooling server 7 slides inwards along the sliding guide rail 801 in the server cabinet 8, the liquid inlet male head 701 and the liquid return male head 702 are respectively connected with the liquid inlet female head 201 and the liquid return female head 202, so that the connection of liquid cooling pipelines is realized; the server air outlet 705 is connected with the air inlet 301 to realize the connection of an exhaust system; the power connector 703 and the signal connector 704 are respectively connected with the power adapter 50101 and the signal adapter 50102 to realize the electrical connection of the circuit.
When the system operates, external cooling liquid is introduced from the liquid inlet 210 by the circulating pump 207 in the liquid cooling circulation module 2, the cooling liquid flows into the liquid outlet 211 through the liquid inlet header pipe 203, the liquid inlet female head 201, the liquid inlet male head 701, the liquid cooling module 706, the liquid return male head 702, the liquid return female head 202 and the liquid return header pipe 204 in sequence, is discharged from the liquid supplementing water tank 209 and is connected with a water inlet of the liquid supplementing pump 208, and a water outlet of the liquid supplementing pump 208 is connected to a water inlet of the circulating pump 207, so that the liquid supplementing water tank 209 is used for supplementing the cooling liquid of the.
As shown in fig. 3, this embodiment further provides a method for controlling a rear backplane unit of a single cabinet liquid cooling system in a data center, including:
s1, under a normal working condition, the circulating pump does work, cooling liquid enters the rear backboard of the single cabinet liquid cooling system of the data center from the liquid inlet, flows through the liquid inlet header pipe to enter the liquid cooling element, takes away heat conducted to the liquid cooling element by the heating chip, and then flows through the liquid return header pipe to flow out from the liquid outlet;
s2, when the flow sensor in the loop detects that the flow is lower than the set value L1, the control unit adjusts the liquid replenishing pump to input the cooling liquid in the liquid replenishing water tank into the loop;
s3, when the temperature of the cooling liquid measured by the temperature sensor in the loop exceeds the set value T1, the control unit adjusts the power of the circulating pump and reports a warning;
s4, when the linear leakage-proof sensor in the rear backboard unit of the single cabinet liquid cooling system senses a water leakage signal, the control unit sends out an alarm and shuts down the circulating pump, and the server is controlled to transfer the load to the standby server.
The upper step S1 includes:
s11, the circulating pump works, and the cooling liquid enters the liquid cooling circulating system, sequentially passes through the liquid inlet, the liquid inlet main pipe, the liquid inlet female head and the liquid inlet male head, and enters the liquid cooling element;
s12, the liquid cooling element conducts the large heat generated by the chip to the cooling liquid;
and S13, after the cooling liquid absorbing heat flows out of the heat transfer element, the cooling liquid sequentially passes through the liquid return male head, the liquid return female head and the liquid return header pipe and is discharged through the liquid outlet, and circulation is completed.
When the flow rate of each branch flow rate sensor in the liquid cooling circulation module is lower than the set value L1, the step S2 includes
And S21, the control unit starts the liquid replenishing pump to supply the cooling liquid in the liquid replenishing water tank to the interior of the liquid cooling circulation module.
And S22, when the branch flow rate sensors measure that the flow rate value of each branch in the loop is higher than L1, the control unit closes the liquid supplementing pump.
When the temperature difference of the cooling liquid measured by each branch temperature sensor and the main temperature sensor of the liquid cooling circulation module exceeds the set value delta T1, the step S3 includes: the power of the circulating pump is increased to improve the flow rate of the cooling liquid, and the control unit reports an alarm to ensure the reliability of the internal liquid cooling circulating module.
When the control unit measures that the current in the line type leakage prevention sensor 4 is greater than the set value a1, the S4 step includes: the control unit turns off the circulation pump 207, reports a liquid leakage alarm, reduces the load of the server in the cabinet, and transfers the load to the standby server.
Example two
The present embodiment is different from the first embodiment in that: the rear backplane unit of the single-cabinet liquid cooling system of the data center provided in this embodiment does not include the electrical connection module 5 (as shown in fig. 2), and the other steps are the same as those of the first embodiment, and will not be described in detail here.
The control method of the rear backplane unit of the single cabinet liquid cooling system of the data center provided in this embodiment is similar to that of the first embodiment, and will not be described in detail here.
Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A single cabinet liquid cooling system postposition backboard unit of a data center is characterized by comprising a postposition backboard shell (1), a liquid cooling circulation module (2), an exhaust system (3), a linear type leakage-proof sensor (4), an electric connection module (5) and a control unit (6); the rear backboard shell is arranged behind a server cabinet (8), and the liquid cooling circulation module (2), the exhaust system (3), the linear leakage-proof sensor (4), the electric connection module (5) and the control unit (6) are all arranged in the rear backboard;
the liquid cooling circulation module is used for monitoring the flow rate and the temperature of water flowing in and out of each server; the exhaust system is used for collecting hot air flow exhausted by the server and exhausting the hot air flow to the outside of the cabinet through the exhaust port; the linear leakage-proof sensor is used for detecting leakage in the rear back plate unit of the single cabinet liquid cooling system of the data center; the electrical connection module is used for realizing the quick connection between the power supply connector and the signal connector and the electrical connection module in the process of plugging and unplugging the server, and transferring the signal interface of the server to the back side of the cabinet type quick plugging rear backboard unit; the control unit is used for receiving and outputting control signals and controlling all the components to operate in a coordinated mode.
2. The single cabinet liquid cooling system rear backplane unit of data center of claim 1, wherein the single cabinet liquid cooling system rear backplane unit of data center is installed on the back of the server cabinet (8), a plurality of sliding rails (801) are installed in the server cabinet (8), a plurality of liquid cooling servers (7) are installed on the sliding rails (801), respectively, and liquid cooling elements (706) are installed in the liquid cooling servers (7).
3. The single cabinet liquid cooling system backplane unit of claim 1,
the rear backplane housing (1) comprises: the device comprises a shell (101), a quick joint mounting position (102), a liquid receiving groove (103) and a water outlet (104); the liquid receiving tank (103) and the water outlet (104) are arranged at the bottom of the rear back plate shell;
the liquid cooling circulation module (2) is used for uniformly distributing externally input cooling liquid to the liquid cooling element of each liquid cooling server and ensuring that the cooling liquid circulates in the pipeline; the liquid cooling circulation module comprises a liquid inlet main head (201), a liquid return main head (202), a liquid inlet main pipe (203), a liquid return main pipe (204), a branch flow sensor (205A), a main flow sensor (205B), a branch temperature sensor (206A), a main temperature sensor (206B), a circulation pump (207), a liquid supplementing pump (208), a liquid supplementing water tank (209), a liquid inlet (210) and a liquid outlet (211); the main temperature sensor is arranged in the liquid inlet main pipe, the main flow sensor is arranged in the liquid return main pipe, and the main temperature sensor and the main flow sensor are respectively used for detecting the temperature and the flow of the cooling liquid entering and exiting the cooling elements of each server in real time and transmitting the detected temperature data and the measured flow data of the cooling liquid to the control unit; branch flow sensor (205A), trunk flow sensor (205B), branch temperature sensor (206A), trunk temperature sensor (206B), circulating pump (207) and fluid replacement pump (208) respectively with control unit (6) electric connection.
4. The single cabinet liquid cooling system back panel unit of claim 1, wherein the exhaust system (3) comprises an air inlet (301), a cavity (302), an exhaust fan (303) and an exhaust port (304), and the exhaust port (304) is connected to an exhaust duct for exhausting hot air to the outside of the cabinet.
5. The single data center cabinet liquid cooling system rear backplane unit as claimed in claim 1, wherein the electrical connection module (5) is disposed inside the rear backplane housing, and the power and various signal interfaces required by the server are electrically connected to the electrical connection module by means of both a switch and a bus and introduced into the rear side of the single data center cabinet liquid cooling system rear backplane unit, and the electrical connection module (5) is provided with a power adapter (50101) and a signal adapter (50102).
6. The single cabinet liquid cooling system rear backplane unit of claim 1, wherein the liquid cooling server (7) is provided with two liquid cooling connectors, two electrical connectors and a server air outlet (705), wherein the two liquid cooling connectors are a liquid inlet male (701) and a liquid return male (702), respectively; the two electrical connectors are a power connector (703) and a signal connector (704).
7. The single cabinet liquid cooling system rear backplane unit of claim 6, wherein when the liquid cooling server (7) slides inwards along the sliding guide rail (801) in the server cabinet (8), the liquid inlet male head (701) is connected with the liquid inlet female head (201), and the liquid return male head (702) is connected with the liquid return female head (202) to realize the connection of liquid cooling pipelines; the server air outlet (705) is connected with the air inlet (301) to realize the connection of an exhaust system; the power connector (703) and the signal connector (704) are respectively connected with the power adapter (50101) and the signal adapter (50102) together, so that the electrical connection of the circuit is realized.
8. A method for controlling a backplane unit of a single-cabinet liquid cooling system of a data center according to any one of claims 1 to 7, the method comprising:
s1, acting is performed through a circulating pump, cooling liquid enters the rear backboard of the single cabinet liquid cooling system of the data center from the liquid inlet, flows through a liquid inlet header pipe to enter the liquid cooling element, takes away heat conducted to the liquid cooling element by the heating chip, then flows through a liquid return header pipe, and flows out from the liquid outlet;
after the flow sensor in the S2 loop detects that the flow is lower than the set value L1, the control unit adjusts the liquid supplementing pump to input the cooling liquid in the liquid supplementing water tank into the loop;
s3, when the temperature of the cooling liquid measured by the temperature sensor in the loop exceeds the set value delta T1, the control unit adjusts the power of the circulating pump and reports a warning;
s4 when the linear leakage-proof sensor inside the rear backboard unit of the single cabinet liquid cooling system senses a water leakage signal, the control unit gives an alarm and shuts down the circulating pump, and the server is controlled to transfer the load to the standby server.
9. The method according to claim 8, wherein the step S1 specifically includes:
s11, the circulating pump enters the cooling liquid circulation system from the liquid inlet, and then the cooling liquid enters the liquid cooling element through the liquid inlet main pipe, the liquid inlet female head and the liquid inlet male head in sequence;
s12, the liquid cooling element conducts the large heat generated by the chip to the cooling liquid;
and S13, after the cooling liquid absorbing heat flows out of the heat transfer element, the cooling liquid sequentially passes through the liquid return male head, the liquid return female head and the liquid return header pipe and is discharged through the liquid outlet, and circulation is completed.
10. The method for controlling a backplane unit of a single-cabinet liquid cooling system of a data center of claim 8,
when the flow rate of each branch flow rate sensor in the liquid cooling circulation module is lower than the set value L1, step S2 includes:
s21, the control unit starts the liquid replenishing pump to supply the cooling liquid in the liquid replenishing water tank to the interior of the liquid cooling circulation module;
s22, when the flow rate value of each branch flow in the loop measured by each branch flow sensor is higher than L1, the control unit closes the liquid replenishing pump;
when the temperature difference of the cooling liquid measured by each branch temperature sensor and the main temperature sensor of the liquid cooling circulation module exceeds the set value delta T1, the step S3 specifically includes: the power of the circulating pump is increased to improve the flow rate of the cooling liquid, and the control unit reports an alarm to ensure the reliability of the internal liquid cooling circulating module;
when the control unit measures that the current in the line type leakage prevention sensor is greater than the set value a1, the S4 step includes: the control unit turns off the circulating pump, reports a liquid leakage alarm, reduces the load of the server in the cabinet, and transfers the load to the standby server.
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| CN202011564698.1A CN112739166B (en) | 2020-12-25 | 2020-12-25 | Rear backboard unit of single cabinet liquid cooling system of data center and control method thereof |
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| CN202011564698.1A CN112739166B (en) | 2020-12-25 | 2020-12-25 | Rear backboard unit of single cabinet liquid cooling system of data center and control method thereof |
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Cited By (1)
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| TWI831309B (en) * | 2021-08-19 | 2024-02-01 | 台達電子工業股份有限公司 | Hot-swappable pump unit and coolant distribution unit using same |
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