Prefabricated modular data center based on hydrogen energy and liquid cooling and implementation method

Abstract

The invention discloses a prefabricated modular data center based on hydrogen energy and liquid cooling and an implementation method, and relates to the technical field of data center management. A data center is created by utilizing a prefabricated modular square cabin, power is supplied to an IT equipment area in a hydrogen fuel cell area, a cooling liquid distribution unit and a liquid cooling air conditioner are redundantly deployed in the IT equipment area, a closed evaporation cooling tower is arranged in a liquid cooling outdoor unit area, and a low-temperature water outlet pipe and a medium-temperature water return pipe of the closed evaporation cooling tower form a primary loop. A low-temperature water outlet pipe and a medium-temperature water return pipe of the cooling liquid distribution unit and a low-temperature water inlet pipe and a medium-temperature water outlet pipe in the cabinet form a secondary loop, the secondary loop takes away main heat of the liquid cooling server, the cooling liquid distribution unit transmits the heat to the primary loop, and then the heat is dissipated to the outside through the closed evaporative cooling tower. Cooling the hydrogen fuel cell stack by using medium-temperature return water in the closed evaporation cooling tower, and returning high-temperature return water; according to the invention, a reliable green computing power data center with extremely low energy consumption is realized.

Description

Technical Field

[0001] This invention discloses a prefabricated modular data center based on hydrogen energy and liquid cooling, and its implementation method, relating to the field of data center management technology. Background Technology

[0002] Data centers are among the fastest-growing electricity consumers globally. The annual electricity consumption of a single hyperscale data center is equivalent to that of a medium-sized city. Furthermore, data centers require extremely high and stable power supplies. Their construction is often constrained by the remaining capacity of the power grid, and in areas with power shortages, they can even crowd out industrial or residential power consumption. Meanwhile, cooling costs account for a high proportion of total energy consumption, severely limiting the improvement of computing density. While existing technologies can employ multiple backup power supplies to power data centers, they are still not energy-efficient or environmentally friendly. Moreover, the liquid cooling methods currently used cannot reliably meet the cooling needs of existing data centers. Summary of the Invention

[0003] This invention addresses the problems of existing technologies by providing a prefabricated modular data center based on hydrogen energy and liquid cooling, along with its implementation method. Through the deep coupling of hydrogen energy, liquid cooling, prefabricated modularity, and intelligent power distribution, a highly autonomous, extremely low-energy-consumption, and highly reliable green computing data center is formed. This invention is particularly suitable for scenarios with extreme requirements for computing power density, environmental friendliness, and deployment speed, such as AI computing centers, supercomputing centers, edge computing nodes, and core data centers of large enterprises, providing support for the development of next-generation data centers.

[0004] The specific solution proposed in this invention is as follows: This invention provides a method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling. The data center is created using prefabricated modular containers and includes an IT equipment area, a liquid-cooled outdoor unit area, and a hydrogen fuel cell area. The hydrogen fuel cell area is equipped with a hydrogen fuel cell stack, a DC / DC module, a lithium battery module, a photovoltaic module, and a DC / AC module. The hydrogen fuel cell stack provides power for the reaction, while the DC / DC module outputs DC power to the IT equipment area, and the DC / AC module outputs AC power to the IT equipment area. Simultaneously, the lithium battery module and the photovoltaic module are also connected to the DC / DC module and the DC / AC module as supplementary power supplies. The IT equipment area is equipped with closely spaced server racks. Coolant distribution units (CDUs) and liquid-cooled air conditioners (ACs) are redundantly deployed between the racks. The racks form a hot aisle with one side wall of the container. Doors at both ends of the hot aisle isolate it from other spaces within the container, allowing those other spaces to function as cold aisles. The liquid-cooled ACs provide auxiliary air cooling to the IT equipment area. A closed-loop evaporative cooling tower is installed within the liquid-cooled outdoor unit area. The low-temperature outlet pipe and medium-temperature return pipe of the closed-loop evaporative cooling tower form a primary loop. The low-temperature outlet pipe and medium-temperature return pipe of the coolant distribution unit (CDU), together with the low-temperature inlet pipe and medium-temperature outlet pipe inside the server rack, form a secondary loop. The secondary loop removes the main heat from the liquid-cooled servers inside the server rack, and heat exchange occurs within the coolant distribution unit (CDU), transferring the heat to the primary loop. Finally, the heat is dissipated to the outside through the closed-loop evaporative cooling tower. The hydrogen fuel cell stack is cooled by the medium-temperature return water in the medium-temperature return water pipe of the primary loop, and the high-temperature return water after heat exchange is returned to the closed evaporative cooling tower through the high-temperature return water pipe.

[0005] Furthermore, the method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling involves configuring a small bus power supply system for the server racks in the IT equipment area, managing power distribution through the small bus, and electrically connecting the small bus power supply system to the DC / AC module and / or DC / DC module in the hydrogen fuel cell area, with the hydrogen fuel cell supplying power to the IT equipment area.

[0006] Furthermore, the method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling involves opening a front and rear weatherproof door on the side wall of the cold aisle in the IT equipment area. This ensures that both the front and rear cabinet areas of the IT equipment area meet the maintenance space requirements while facilitating equipment installation and personnel access. A weatherproof door was also installed at the outer end of the hydrogen fuel cell area for maintenance purposes.

[0007] Furthermore, the method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling includes a water supply tank, a water purifier, and a water supply pump in the liquid cooling outdoor unit area. The water purifier is equipped with an external tap water inlet and stores the purified water in the water supply tank. The water supply pump is used to replenish water from the water supply tank when the water level of the closed evaporative cooling tower is lower than a set value. The liquid-cooled outdoor unit area is separated from the IT equipment area by a sealing baffle. A steel mesh is installed on the side of the liquid-cooled outdoor unit area, and a double-leaf steel mesh outer door is installed at the end of the liquid-cooled outdoor unit area.

[0008] Furthermore, in the method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling, a fan is installed at the top of the closed-loop evaporative cooling tower, connected to a variable frequency fan; spray pipes are installed inside the closed-loop evaporative cooling tower. The closed-loop evaporative cooling tower's operation strategy is based on dynamic adjustment of the outdoor ambient temperature: when the outdoor temperature is higher than the first set threshold, the spray system is activated and the variable frequency fan speed is adjusted; when the outdoor temperature is lower than the second set threshold, the spray system is deactivated and natural cooling is utilized solely through variable frequency fan speed adjustment.

[0009] This invention also provides a prefabricated modular data center based on hydrogen energy and liquid cooling. The data center is created using a prefabricated modular container and includes an IT equipment area, a liquid-cooled outdoor unit area, and a hydrogen fuel cell area. The hydrogen fuel cell area is equipped with a hydrogen fuel cell stack, a DC / DC module, a lithium battery module, a photovoltaic module, and a DC / AC module. The hydrogen fuel cell stack provides power for the reaction, while the DC / DC module outputs DC power to the IT equipment area, and the DC / AC module outputs AC power to the IT equipment area. Simultaneously, the lithium battery module and the photovoltaic module are also connected to the DC / DC module and the DC / AC module as supplementary power supplies. The IT equipment area is equipped with closely spaced server racks. Coolant distribution units (CDUs) and liquid-cooled air conditioners (ACs) are redundantly deployed between the racks. The racks form a hot aisle with one side wall of the container. Doors at both ends of the hot aisle isolate it from other spaces within the container, allowing those other spaces to function as cold aisles. The liquid-cooled ACs provide auxiliary air cooling to the IT equipment area. A closed-loop evaporative cooling tower is installed within the liquid-cooled outdoor unit area. The low-temperature outlet pipe and medium-temperature return pipe of the closed-loop evaporative cooling tower form a primary loop. The low-temperature outlet pipe and medium-temperature return pipe of the coolant distribution unit (CDU), together with the low-temperature inlet pipe and medium-temperature outlet pipe inside the server rack, form a secondary loop. The secondary loop removes the main heat from the liquid-cooled servers inside the server rack, and heat exchange occurs within the coolant distribution unit (CDU), transferring the heat to the primary loop. Finally, the heat is dissipated to the outside through the closed-loop evaporative cooling tower. The hydrogen fuel cell stack is cooled by the medium-temperature return water in the medium-temperature return water pipe of the primary loop, and the high-temperature return water after heat exchange is returned to the closed evaporative cooling tower through the high-temperature return water pipe.

[0010] Furthermore, the IT equipment area of ​​the prefabricated modular data center based on hydrogen energy and liquid cooling is equipped with a small bus power supply system for the server racks. Power distribution management is carried out through the small bus. The small bus power supply system is electrically connected to the DC / AC module and / or DC / DC module of the hydrogen fuel cell area, and the hydrogen fuel cell supplies power to the IT equipment area.

[0011] Furthermore, the cold aisle of the IT equipment area of ​​the prefabricated modular data center based on hydrogen energy and liquid cooling has front and rear weatherproof doors on its side walls, so that both the front and rear cabinet areas of the IT equipment area meet the maintenance space requirements and facilitate equipment installation and personnel access. A weatherproof door was also installed at the outer end of the hydrogen fuel cell area for maintenance purposes.

[0012] Furthermore, the liquid-cooled outdoor unit area of ​​the prefabricated modular data center based on hydrogen energy and liquid cooling is equipped with a water supply tank, a water purifier, and a water supply pump. The water purifier is equipped with an external tap water inlet. The water purifier stores the purified water in the water supply tank. The water supply pump is used to replenish water from the water supply tank when the water level of the closed evaporative cooling tower is lower than the set value. The liquid-cooled outdoor unit area is separated from the IT equipment area by a sealing baffle. A steel mesh is installed on the side of the liquid-cooled outdoor unit area, and a double-leaf steel mesh outer door is installed at the end of the liquid-cooled outdoor unit area.

[0013] Furthermore, the closed-loop evaporative cooling tower of the prefabricated modular data center based on hydrogen energy and liquid cooling is equipped with a fan at the top, connected to a variable frequency fan; the closed-loop evaporative cooling tower is equipped with spray pipes inside. The closed-loop evaporative cooling tower's operation strategy is based on dynamic adjustment of the outdoor ambient temperature: when the outdoor temperature is higher than the first set threshold, the spray system is activated and the variable frequency fan speed is adjusted; when the outdoor temperature is lower than the second set threshold, the spray system is deactivated and natural cooling is utilized solely through variable frequency fan speed adjustment.

[0014] The advantages of this invention are: In terms of energy utilization, the system innovatively uses hydrogen fuel cells as the primary power supply system, combined with photovoltaic and lithium battery auxiliary power supply, achieving true zero-carbon operation. Through the intelligent coupling of the fuel cell stack cooling loop and the liquid cooling system, the high-temperature return water generated after cooling the fuel cell stack is returned to the liquid cooling system for heat recovery, significantly improving overall energy utilization efficiency. In terms of cooling efficiency, a dual-redundant CDU and liquid-cooled air conditioning system are adopted, combined with a closed-loop evaporative cooling tower and intelligent temperature control technology to maximize the utilization of natural cooling sources throughout the year. The primary and secondary loop design ensures system reliability. In terms of reliability, through multiple redundant designs: triple power supply guarantee of hydrogen energy + photovoltaic + lithium battery; dual redundancy configuration of CDU and liquid cooling air conditioner; and closed-loop cooling loop to avoid single point of failure, it solves the key problems of heat dissipation bottleneck, energy consumption and carbon emissions faced by high-density data centers. It provides a complete solution for scenarios with extreme requirements for computing power density and green environmental protection, such as AI computing and supercomputing centers, with significant economic and environmental benefits. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1This is a top-down structural diagram of the data center interior of the present invention.

[0017] Figure 2 This is a schematic diagram of the interior of the hydrogen fuel cell region in this invention.

[0018] Figure label: 1: Liquid-cooled outdoor unit area; 11: Closed-loop evaporative cooling tower; 12: Make-up water tank; 13: Water purifier; 14: Make-up water pump; 15: Steel mesh exterior door. 2: IT Equipment Area; 21: Sliding Door; 22: Medium-temperature return water pipe connected to the closed-loop evaporative cooling tower; 23: Low-temperature outlet water pipe connected to the closed-loop evaporative cooling tower; 24: High-temperature return water pipe connected to the closed-loop evaporative cooling tower; 25: Low-temperature outlet water pipe connected to the CDU; 26: Medium-temperature return water pipe connected to the CDU; 27: Plate Heat Exchanger; 28: Front weatherproof door; 29: Rear weatherproof door. 3: Hydrogen fuel cell area; 31: Hydrogen fuel cell stack; 32: DC / DC module; 33: Lithium battery module; 34: Photovoltaic module; 35: DC / AC module; 36: Weatherproof door. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0020] Example 1: This invention provides a method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling. The data center is created using prefabricated modular containers. (Refer to...) Figure 1 and Figure 2 The data center includes IT equipment area 2, liquid-cooled outdoor unit area 1, and hydrogen fuel cell area 3.

[0021] A hydrogen fuel cell stack 31, a DC / DC module 32, a lithium battery module 33, a photovoltaic module 34, and a DC / AC module 35 are installed in the hydrogen fuel cell area 3. The hydrogen fuel cell stack 31 provides power for the reaction, outputs DC power to the IT equipment area 2 through the DC / DC module 32, and outputs AC power to the IT equipment area 2 through the DC / AC module 35. At the same time, the lithium battery module 33 and the photovoltaic module 34 are also connected to the DC / DC module 32 and the DC / AC module 35 as a supplement to the power supply. A weatherproof door 36 is also opened at the outer end of the hydrogen fuel cell area 3 for the maintenance of the hydrogen fuel cell area.

[0022] Six server racks are arranged closely in IT equipment area 2. Two coolant distribution units (CDUs) and two liquid-cooled air conditioners (ACs) are redundantly deployed between the server racks. The server racks and one side wall of the container form a hot aisle. Sliding doors 21 are provided at both ends of the hot aisle to isolate it from other spaces in the container, so that the other spaces in the container can be used as cold aisles.

[0023] The CDU contains a plate heat exchanger for heat exchange; the liquid-cooled air conditioner (AC) is used to provide auxiliary air cooling for IT equipment area 2. The liquid-cooled air conditioner (AC) mainly consists of a high-efficiency G4 washable filter, refrigeration piping components, electrical control components, heat exchanger components DX+CW, EC centrifugal fans, etc. It adopts two sets of heat exchange units and three cooling modes, and shares an outdoor cold source with the CDU. It can make the most of the natural cold source, achieving high integration, energy saving mechanism, and controllable cost.

[0024] A front and rear weatherproof door 28 and a rear weatherproof door 29 are opened on the side wall of the cold aisle in IT equipment area 2 to meet the maintenance space requirements of both the front and rear cabinet areas of IT equipment area 2, and to facilitate equipment installation and personnel access.

[0025] A closed-loop evaporative cooling tower 11 is installed in the liquid-cooled outdoor unit area 1. A water supply tank 12, a water purifier 13, and a water supply pump 14 are also installed in the liquid-cooled outdoor unit area 1. The water purifier 13 is equipped with an external tap water inlet. The water purifier 13 stores the purified water in the water supply tank 12. The water supply pump 14 is used to replenish water from the water supply tank 12 when the water level of the closed-loop evaporative cooling tower 11 is lower than a set value.

[0026] The liquid-cooled outdoor unit area 1 and the IT equipment area 2 are separated by a sealing baffle. A steel mesh is provided on the side of the liquid-cooled outdoor unit area 1, and a double-leaf steel mesh outer door 15 is provided at the end of the liquid-cooled outdoor unit area 1.

[0027] The low-temperature water outlet pipe 23 and the medium-temperature water return pipe 22 of the closed-loop evaporative cooling tower 11 form a primary loop. The low-temperature water outlet pipe 25 and the medium-temperature water return pipe 26 of the coolant distribution unit CDU, together with the low-temperature water inlet pipe and the medium-temperature water outlet pipe in the cabinet, form a secondary loop. The secondary loop carries away the main heat of the liquid-cooled server in the cabinet and exchanges heat in the coolant distribution unit CDU, transferring the heat to the primary loop, and then dissipating the heat to the outside through the closed-loop evaporative cooling tower 11.

[0028] The closed-loop evaporative cooling tower 11 is equipped with a fan at the top, connected to a variable frequency fan; the closed-loop evaporative cooling tower 11 is also equipped with spray pipes inside. The closed-loop evaporative cooling tower 11 operates based on dynamic adjustment of outdoor ambient temperature: when the outdoor temperature is higher than the first set threshold, such as 25°C, the spray is activated and the variable frequency fan speed is adjusted; when the outdoor temperature is lower than the second set threshold, such as 20°C, the spray is turned off and natural cooling source is utilized only by adjusting the variable frequency fan speed.

[0029] The hydrogen fuel cell stack 31 is cooled by the medium-temperature return water in the medium-temperature return water pipe 22, and the high-temperature return water after heat exchange is returned to the closed evaporative cooling tower 11 through the high-temperature return water pipe 24 via the plate heat exchanger 27.

[0030] Example 2: Based on Example 1, a small bus power supply system is configured for the cabinets in IT equipment area 2. Power distribution management is carried out through the small bus. The small bus power supply system is electrically connected to the DC / AC module 35 and DC / DC module 32 of the hydrogen fuel cell area 3, and the hydrogen fuel cell supplies power to IT equipment area 2.

[0031] Example 3: This invention also provides a prefabricated modular data center based on hydrogen energy and liquid cooling. The data center is created based on a prefabricated modular container, and includes an IT equipment area 2, a liquid-cooled outdoor unit area 1, and a hydrogen fuel cell area 3. In the hydrogen fuel cell area 3, a hydrogen fuel cell stack 31, a DC / DC module 32, a lithium battery module 33, a photovoltaic module 34, and a DC / AC module 35 are installed. The hydrogen fuel cell stack 31 provides power for the reaction, outputs DC power to the IT equipment area 2 through the DC / DC module 32, and outputs AC power to the IT equipment area 2 through the DC / AC module 35. At the same time, the lithium battery module 33 and the photovoltaic module 34 are also connected to the DC / DC module 32 and the DC / AC module 35 as supplementary power supply. In IT equipment area 2, closely spaced server racks are arranged, with redundant coolant distribution units (CDUs) and liquid-cooled air conditioners (ACs) deployed between them. The server racks form a hot aisle with one side wall of the container, and sliding doors (21) at both ends of the hot aisle isolate it from other spaces in the container, allowing the other spaces to function as cold aisles. The liquid-cooled air conditioners (ACs) are used to provide auxiliary air cooling for IT equipment area 2. A closed-loop evaporative cooling tower 11 is installed in the liquid-cooled outdoor unit area 1. The low-temperature outlet pipe 23 and the medium-temperature return pipe 22 of the closed-loop evaporative cooling tower 11 form a primary loop. The low-temperature outlet pipe 25 and the medium-temperature return pipe 26 of the coolant distribution unit (CDU) form a secondary loop with the low-temperature inlet pipe and the medium-temperature outlet pipe inside the server rack. The secondary loop removes the main heat from the liquid-cooled server inside the server rack, and heat exchange occurs within the coolant distribution unit (CDU), transferring the heat to the primary loop. Finally, the heat is dissipated to the outside through the closed-loop evaporative cooling tower 11. The hydrogen fuel cell stack 31 is cooled by the medium-temperature return water in the medium-temperature return water pipe 22, and the high-temperature return water after heat exchange is returned to the closed evaporative cooling tower 11 through the high-temperature return water pipe 24.

[0032] The interactions between the various components within the aforementioned data center are based on the same concept as those in the embodiments of the present invention, and the specific details can be found in the descriptions in the embodiments of the present invention, which will not be repeated here.

[0033] Similarly, the advantages of the data center of the present invention are: In terms of energy utilization, the system innovatively uses hydrogen fuel cells as the primary power supply system, combined with photovoltaic and lithium battery auxiliary power supply, achieving true zero-carbon operation. Through the intelligent coupling of the fuel cell stack cooling loop and the liquid cooling system, the high-temperature return water generated after cooling the fuel cell stack is returned to the liquid cooling system for heat recovery, significantly improving overall energy utilization efficiency. In terms of cooling efficiency, a dual-redundant CDU and liquid-cooled air conditioning system are adopted, combined with a closed-loop evaporative cooling tower and intelligent temperature control technology to maximize the utilization of natural cooling sources throughout the year. The primary and secondary loop design ensures system reliability. In terms of reliability, through multiple redundant designs: triple power supply guarantee of hydrogen energy + photovoltaic + lithium battery; dual redundancy configuration of CDU and liquid cooling air conditioner; and closed-loop cooling loop to avoid single point of failure, it solves the key problems of heat dissipation bottleneck, energy consumption and carbon emissions faced by high-density data centers. It provides a complete solution for scenarios with extreme requirements for computing power density and green environmental protection, such as AI computing and supercomputing centers, with significant economic and environmental benefits.

[0034] The above-described embodiments are merely preferred embodiments provided to fully illustrate the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the scope of protection of the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling, characterized by: The data center was created using prefabricated modular cabins, and includes areas for IT equipment, liquid-cooled outdoor units, and hydrogen fuel cells. The hydrogen fuel cell area is equipped with a hydrogen fuel cell stack, a DC / DC module, a lithium battery module, a photovoltaic module, and a DC / AC module. The hydrogen fuel cell stack provides power for the reaction, while the DC / DC module outputs DC power to the IT equipment area, and the DC / AC module outputs AC power to the IT equipment area. Simultaneously, the lithium battery module and the photovoltaic module are also connected to the DC / DC module and the DC / AC module as supplementary power supplies. The IT equipment area is equipped with closely spaced server racks. Coolant distribution units (CDUs) and liquid-cooled air conditioners (ACs) are redundantly deployed between the racks. The racks form a hot aisle with one side wall of the container. Doors at both ends of the hot aisle isolate it from other spaces within the container, allowing those other spaces to function as cold aisles. The liquid-cooled ACs provide auxiliary air cooling to the IT equipment area. A closed-loop evaporative cooling tower is installed within the liquid-cooled outdoor unit area. The low-temperature outlet pipe and medium-temperature return pipe of the closed-loop evaporative cooling tower form a primary loop. The low-temperature outlet pipe and medium-temperature return pipe of the coolant distribution unit (CDU), together with the low-temperature inlet pipe and medium-temperature outlet pipe inside the server rack, form a secondary loop. The secondary loop removes the main heat from the liquid-cooled servers inside the server rack, and heat exchange occurs within the coolant distribution unit (CDU), transferring the heat to the primary loop. Finally, the heat is dissipated to the outside through the closed-loop evaporative cooling tower. The hydrogen fuel cell stack is cooled by the medium-temperature return water in the medium-temperature return water pipe of the primary loop, and the high-temperature return water after heat exchange is returned to the closed evaporative cooling tower through the high-temperature return water pipe.

2. The method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 1, characterized in that: A small bus power supply system is configured for the server racks in the IT equipment area. Power distribution management is carried out through the small bus. The small bus power supply system is electrically connected to the DC / AC module and / or DC / DC module in the hydrogen fuel cell area, and the hydrogen fuel cell supplies power to the IT equipment area.

3. The method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 1, characterized in that: A front and rear weatherproof door is opened on the side wall of the cold aisle in the IT equipment area to meet the maintenance space requirements of both the front and rear cabinet areas of the IT equipment area, while also facilitating equipment installation and personnel access. A weatherproof door was also installed at the outer end of the hydrogen fuel cell area for maintenance purposes.

4. The method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 1, characterized in that: A water supply tank, a water purifier, and a water supply pump are installed in the liquid-cooled outdoor unit area. The water purifier is equipped with an external tap water inlet. The water purifier stores the purified water in the water supply tank. The water supply pump is used to replenish water from the water supply tank when the water level of the closed evaporative cooling tower is lower than the set value. The liquid-cooled outdoor unit area is separated from the IT equipment area by a sealing baffle. A steel mesh is installed on the side of the liquid-cooled outdoor unit area, and a double-leaf steel mesh outer door is installed at the end of the liquid-cooled outdoor unit area.

5. The method for implementing a prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 1, characterized in that: The closed-loop evaporative cooling tower is equipped with a fan at the top, connected to a variable frequency fan; the interior of the closed-loop evaporative cooling tower is equipped with spray pipes. The closed-loop evaporative cooling tower's operation strategy is based on dynamic adjustment of the outdoor ambient temperature: when the outdoor temperature is higher than the first set threshold, the spray system is activated and the variable frequency fan speed is adjusted; when the outdoor temperature is lower than the second set threshold, the spray system is deactivated and natural cooling is utilized solely through variable frequency fan speed adjustment.

6. A prefabricated modular data center based on hydrogen energy and liquid cooling, characterized by: The data center is built using prefabricated modular cabins and includes an IT equipment area, a liquid-cooled outdoor unit area, and a hydrogen fuel cell area. The hydrogen fuel cell area is equipped with a hydrogen fuel cell stack, a DC / DC module, a lithium battery module, a photovoltaic module, and a DC / AC module. The hydrogen fuel cell stack provides power for the reaction, while the DC / DC module outputs DC power to the IT equipment area, and the DC / AC module outputs AC power to the IT equipment area. Simultaneously, the lithium battery module and the photovoltaic module are also connected to the DC / DC module and the DC / AC module as supplementary power supplies. The IT equipment area is equipped with closely spaced server racks. Coolant distribution units (CDUs) and liquid-cooled air conditioners (ACs) are redundantly deployed between the racks. The racks form a hot aisle with one side wall of the container. Doors at both ends of the hot aisle isolate it from other spaces within the container, allowing those other spaces to function as cold aisles. The liquid-cooled ACs provide auxiliary air cooling to the IT equipment area. A closed-loop evaporative cooling tower is installed within the liquid-cooled outdoor unit area. The low-temperature outlet pipe and medium-temperature return pipe of the closed-loop evaporative cooling tower form a primary loop. The low-temperature outlet pipe and medium-temperature return pipe of the coolant distribution unit (CDU), together with the low-temperature inlet pipe and medium-temperature outlet pipe inside the server rack, form a secondary loop. The secondary loop removes the main heat from the liquid-cooled servers inside the server rack, and heat exchange occurs within the coolant distribution unit (CDU), transferring the heat to the primary loop. Finally, the heat is dissipated to the outside through the closed-loop evaporative cooling tower. The hydrogen fuel cell stack is cooled by the medium-temperature return water in the medium-temperature return water pipe of the primary loop, and the high-temperature return water after heat exchange is returned to the closed evaporative cooling tower through the high-temperature return water pipe.

7. A prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 6, characterized in that: The IT equipment area is equipped with a small bus power supply system for the server racks. Power distribution and management are carried out through the small bus. The small bus power supply system is electrically connected to the DC / AC module and / or DC / DC module of the hydrogen fuel cell area, and the hydrogen fuel cell supplies power to the IT equipment area.

8. A prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 6, characterized in that: The cold aisle of the IT equipment area has front and rear weatherproof doors on its side walls. This allows both the front and rear cabinet areas of the IT equipment area to meet the maintenance space requirements while facilitating equipment installation and personnel access. A weatherproof door was also installed at the outer end of the hydrogen fuel cell area for maintenance purposes.

9. A prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 6, characterized in that: The liquid-cooled outdoor unit area is equipped with a water supply tank, a water purifier, and a water supply pump. The water purifier is equipped with an external tap water inlet. The water purifier stores the purified water in the water supply tank. The water supply pump is used to replenish water from the water supply tank when the water level of the closed evaporative cooling tower is lower than the set value. The liquid-cooled outdoor unit area is separated from the IT equipment area by a sealing baffle. A steel mesh is installed on the side of the liquid-cooled outdoor unit area, and a double-leaf steel mesh outer door is installed at the end of the liquid-cooled outdoor unit area.

10. A prefabricated modular data center based on hydrogen energy and liquid cooling according to claim 6, characterized in that: The closed-loop evaporative cooling tower is equipped with a fan at the top, connected to a variable frequency fan; the interior of the closed-loop evaporative cooling tower is equipped with spray pipes. The closed-loop evaporative cooling tower's operation strategy is based on dynamic adjustment of the outdoor ambient temperature: when the outdoor temperature is higher than the first set threshold, the spray system is activated and the variable frequency fan speed is adjusted; when the outdoor temperature is lower than the second set threshold, the spray system is deactivated and natural cooling is utilized solely through variable frequency fan speed adjustment.

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