Cooling capacity distribution system with fluorine pump and distribution method

Abstract

According to the cooling capacity distribution system with the fluorine pump, Freon is adopted as a heat exchange medium of a liquid cooling system, a mechanical compression refrigeration direct expansion type air conditioning system (fluorine pump system) is combined with the liquid cooling system, unification of an air cooling part and a liquid cooling part is achieved, the pipeline is simple, the manufacturing cost is low, and higher overall operation efficiency and maintenance convenience are achieved. The system has good expansibility and can be flexibly adjusted according to the outdoor temperature or the tail end load condition, and the refrigerating capacity of the cold source is correspondingly increased or reduced. The compressor is not directly connected with the evaporator and the CDU plate heat exchanger, but indirectly exchanges heat through the plate heat exchanger, so that the flow of a mechanical compression refrigeration loop is reduced, lubricating oil of the compressor is not easy to accumulate in the condenser I and the loop, the problem of unsmooth oil return of the compressor is avoided, and the service life of the compressor is prolonged. And the design support system is connected in parallel with the expansion mechanical refrigeration module, and the cold source can be flexibly adjusted according to the tail end load.

Description

Technical Field

[0001] The present invention relates to the technical field of heat dissipation of data center cabinets, and particularly to a cold quantity distribution system and distribution method with a fluorine pump. Background Art

[0002] With the rise of high-performance computing technologies such as large language models (LLMs), the heat generation density of servers in data centers has increased significantly, and traditional all-air cooling systems can no longer meet the heat dissipation requirements. Currently, data center cooling technologies mainly include all-air cooling systems, liquid cooling + air cooling systems, and a small number of all-liquid cooling systems. The liquid cooling + air cooling system usually uses the liquid cooling system to dissipate heat from the CPUs and GPUs in the servers, and the air cooling system to dissipate heat from the hard disks, memories, power distribution systems, and network switches. The liquid cooling system usually uses deionized water or ethylene glycol and propylene glycol aqueous solutions as heat exchange media and transports them through pipelines. The air cooling system requires a Freon system.

[0003] In the existing technical solutions, the air cooling system and the liquid cooling system are applied to data centers simultaneously, but usually require independent layouts and independent operations and maintenance, which makes the maintenance of the system very difficult, and at the same time increases the complexity of pipeline layout and system cost. In addition, due to the complex data center servers, the heat generation density of the air cooling system cannot be fully addressed. Especially with the rise of large language models (LLMs), the heat generation of servers in data centers has increased significantly, making the all-air cooling system unable to meet the requirements of efficient heat dissipation. Summary of the Invention

[0004] The present invention provides a cold quantity distribution system and distribution method with a fluorine pump, which combines a direct expansion air conditioning system (fluorine pump system) with a liquid cooling system, enables the air cooling and liquid cooling parts to use the same set of systems, optimizes the distribution of refrigerants, simplifies the overall system design, reduces the maintenance cost, and improves the overall cooling efficiency.

[0005] To achieve the above object, the technical solution adopted by the present invention is as follows: A cold quantity distribution system with a fluorine pump includes: a mechanical refrigeration compression circuit, a fluorine pump circulation circuit, and a data center cabinet array; The mechanical refrigeration compression circuit includes: a compressor, a first plate heat exchanger, a throttling device, and a first condenser; the outlet of the compressor is connected to the first port of the first plate heat exchanger through a first pipeline, the outlet of the compressor is connected to the inlet of the first condenser through a second pipeline, the outlet of the first condenser is connected to the second port of the first plate heat exchanger through a third pipeline, and the throttling device is provided on the third pipeline; The fluorine pump circulation loop includes: a liquid storage tank, a fluorine pump, an evaporator, and a plate heat exchanger II; the liquid inlet of the liquid storage tank is connected to the third port of the first plate heat exchanger through a fourth pipeline, the liquid outlet of the liquid storage tank is provided with the fluorine pump, the evaporator and the plate heat exchanger II are connected in parallel, the first port of the evaporator is connected to the fluorine pump through a fifth pipeline, the first port of the plate heat exchanger II is connected to the fluorine pump through a sixth pipeline, throttling devices are provided on both the fifth pipeline and the sixth pipeline, the second ports of the evaporator and the plate heat exchanger II merge and are connected to the fourth port of the first plate heat exchanger through a seventh pipeline; The data center cabinet array consists of multiple data center servers, and the multiple data center servers are connected to the third port of the plate heat exchanger II through a refrigerant outlet pipeline; The cooling capacity distribution system further includes: a condenser II; the condenser II is arranged in parallel with the seventh pipeline.

[0006] As a further preference of the present invention, a three-way valve is provided on the seventh pipeline, and the three ports of the three-way valve are respectively connected to the fourth port of the first plate heat exchanger, the second port of the plate heat exchanger II, and the first port of the condenser II; a check valve is provided at the second port of the condenser II and is connected to the fourth port of the first plate heat exchanger.

[0007] As a further preference of the present invention, a cooling fan is provided on one side of the first condenser, and the condenser II shares a set of the cooling fans with the first condenser or is connected to an outdoor spray tower / dry cooler.

[0008] As a further preference of the present invention, the fluorine pump is used to drive the refrigerant to circulate in the fluorine pump circulation loop to deliver cooling capacity to the data center servers; the refrigerant uses freon.

[0009] As a further preference of the present invention, the data center cabinet array includes multiple data center servers, and the refrigerant cooling systems of the data center servers are connected in parallel with each other to ensure the connection of each area.

[0010] As a further preference of the present invention, the plate heat exchanger II uses a shell-and-tube heat exchanger, and the plate heat exchanger II uses a CDU plate heat exchanger.

[0011] A cooling capacity distribution method with a fluorine pump includes the following steps: S1. Detect the outdoor temperature: When the outdoor temperature is lower than 15°C, the system enters the natural cold source mode; When the outdoor temperature exceeds 15°C and does not exceed 25°C, the system enters the hybrid refrigeration mode; When the outdoor temperature exceeds 25°C, the system enters the mechanical refrigeration mode; S2. Natural cold source mode switching: Close the compressor and the throttling device in the mechanical refrigeration compression circuit; Open the throttling device in the fluorine pump circulation circuit, and the three-way valve operates to make the refrigerant flow through the condenser II; The refrigerant is pumped out from the fluorine pump, and after the pressure and flow rate are adjusted by the throttling device, it enters the evaporator and the plate heat exchanger II, which are respectively used for dissipating heat from the air-cooled and liquid-cooled systems. The refrigerant absorbs heat and evaporates in the evaporator and the plate heat exchanger II, and releases heat and condenses into a liquid state through the condenser II, and then returns to the fluorine pump to complete the cycle; among them, the evaporator is used for the air-cooled system to dissipate heat from the hard disks, memories, power distribution systems and network switches in the data center servers; the plate heat exchanger II is used for the liquid-cooled system to dissipate heat from the CPUs and GPUs in the data center servers; S3. Hybrid refrigeration mode switching: Open the compressor and the throttling device in the mechanical refrigeration compression circuit; Open the throttling device in the fluorine pump circulation circuit, and the three-way valve operates to make the refrigerant flow through the condenser II; The compressor compresses the refrigerant into a high-temperature and high-pressure gas, which releases heat and condenses into a liquid state through the condenser I. The refrigerant enters the throttling device to reduce the pressure, and then absorbs heat and evaporates into a gaseous state through the plate heat exchanger I. The gaseous refrigerant returns to the compressor to complete the cycle; on the other side, the refrigerant releases heat and condenses into a liquid state in the condenser II and the plate heat exchanger II, is pressurized by the fluorine pump, and after the pressure and flow rate are adjusted by the throttling device, it enters the evaporator and the plate heat exchanger II to absorb heat and evaporate, and releases heat and condenses into a liquid state through the condenser II, and then returns to the fluorine pump to complete the cycle; S4. Mechanical refrigeration mode: Open the compressor and the throttling device in the mechanical refrigeration compression circuit; Open the throttling device in the fluorine pump circulation circuit, and the three-way valve operates to make the refrigerant not flow through the condenser II; the refrigerant is pumped out from the fluorine pump, and after the pressure and flow rate are adjusted by the throttling device, it enters the evaporator and the plate heat exchanger II, which are respectively used for dissipating heat from the air-cooled and liquid-cooled systems. The refrigerant absorbs heat and evaporates in the evaporator and the plate heat exchanger II, and releases heat and condenses into a liquid state through the plate heat exchanger I, and then returns to the fluorine pump to complete the cycle.

[0012] As a further preference of the present invention, in step S2, the opening degree of the throttling device is set according to the return air temperature of the evaporator, the pressure and temperature of the fluorine pump circulation loop, so as to control the amount of refrigerant entering the air-cooled and liquid-cooled systems; the rotational speed of the fluorine pump is set according to the pressure and temperature of the fluorine pump circulation loop.

[0013] As a further preference of the present invention, in steps S3 and S4, the opening degree of the throttling device is set according to the return air temperature of the evaporator, the pressure and temperature of the fluorine pump circulation loop, so as to control the amount of refrigerant entering the air-cooled and liquid-cooled systems; the rotational speed of the fluorine pump is set according to the pressure and temperature of the fluorine pump circulation loop; the rotational speed of the compressor and the opening degree of the throttling device are set according to the pressure and temperature of the mechanical refrigeration compression loop.

[0014] Compared with the prior art, the present invention has the following advantages or beneficial effects: 1. Freon is used as the heat exchange medium of the liquid-cooled system, and the mechanical compression refrigeration direct expansion air-conditioning system (fluorine pump system) is combined with the liquid-cooled system to realize the unity of the air-cooled and liquid-cooled parts. The pipeline is simple, the cost is low, and it has higher overall operating efficiency and maintenance convenience. 2. The system has good expandability and can be flexibly adjusted according to the outdoor temperature or the terminal load situation, and correspondingly increase or decrease the refrigeration capacity of the cold source: when the outdoor temperature is low, the refrigerant is circulated by the fluorine pump, and only natural cold source is used without mechanical refrigeration; when the outdoor air temperature is high and cold can be obtained from the air, natural cold source is used and mechanical compression refrigeration is started at the same time for cold supplement; when the outdoor air temperature is high and cold cannot be obtained from the air, mechanical compression refrigeration is directly adopted. 3. The compressor is not directly connected to the evaporator and the CDU plate heat exchanger, but is indirectly heat-exchanged through the plate heat exchanger. Such a design reduces the process of the mechanical compression refrigeration loop, makes it difficult for the compressor lubricating oil to accumulate in the condenser and the loop, and avoids the problem of poor compressor oil return; the refrigerant in the evaporator and the CDU plate heat exchanger is driven by the fluorine pump to circulate, and the compressor is not used as the power, which optimizes the distribution of the refrigerant in the evaporator and the CDU plate heat exchanger, reduces the power consumption of the compressor, and also makes the terminal load have higher expandability; and this design supports the parallel expansion of the mechanical refrigeration module of the system, and the cold source can be flexibly adjusted according to the terminal load. Description of the Drawings

[0015] Figure 1 Schematic diagram of the circuit connection for this embodiment; Figure 2 Schematic diagram of the system structure for this embodiment; Figure 3 Control logic diagram in the natural cold source mode; Figure 4 Control logic diagram in the hybrid refrigeration mode; Figure 5 It is a control logic diagram for the mechanical refrigeration mode; Figure 6 It is a control logic diagram for the modular expansion solution; In the figure, 1. Compressor, 2. Plate heat exchanger I, 3. Throttling device, 4. Condenser I, 5. Liquid storage tank, 6. Fluorine pump, 7. Evaporator, 8. Plate heat exchanger II, 9. Data center server, 10. Refrigerant outlet pipe, 11. Condenser II, 12. Three-way valve, 13. Check valve, 14. Cooling fan, 20. First pipeline, 21. Second pipeline, 22. Third pipeline, 23. Fourth pipeline, 24. Fifth pipeline, 25. Sixth pipeline, 26. Seventh pipeline. Specific implementation manners

[0016] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0017] It should be noted that the terms "part", "other", "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices. Embodiment:

[0018] Please refer to the attached Figure 1 , 2 , the present invention provides a cooling capacity distribution system with a fluorine pump, including: a mechanical refrigeration compression circuit, a fluorine pump circulation circuit, and a data center cabinet array; specifically: The mechanical refrigeration compression circuit is used to refrigerate in the hybrid refrigeration mode and the mechanical refrigeration mode through the vapor compression refrigeration cycle, and provide cooling capacity for the system. The mechanical refrigeration compression circuit mainly includes: a compressor 1, a first plate heat exchanger 2, a throttling device 3, and a first condenser 4. The outlet of the compressor 1 is connected to the first port of the first plate heat exchanger 2 through a first pipeline 20, the outlet of the compressor 1 is connected to the inlet of the first condenser 4 through a second pipeline 21, the outlet of the first condenser 4 is connected to the second port of the first plate heat exchanger 2 through a third pipeline 22, and the throttling device 3 is provided on the third pipeline 22.

[0019] The fluorine pump circulation circuit is used to drive the circulation of the Freon refrigerant and deliver cooling capacity to the server. The fluorine pump circulation circuit mainly includes: a liquid storage tank 5, a fluorine pump 6, an evaporator 7, a second plate heat exchanger 8, and a throttling device 3. The inlet of the liquid storage tank 5 is connected to the third port of the first plate heat exchanger 2 through a fourth pipeline 23, a fluorine pump 6 is provided at the outlet of the liquid storage tank 5, the evaporator 7 and the second plate heat exchanger 8 are connected in parallel, the first port of the evaporator 7 is connected to the fluorine pump 6 through a fifth pipeline 24, the first port of the second plate heat exchanger 8 is connected to the fluorine pump 6 through a sixth pipeline 25, throttling devices 3 are provided on both the fifth pipeline 24 and the sixth pipeline 25, the second ports of the evaporator 7 and the second plate heat exchanger 8 merge and are connected to the fourth port of the first plate heat exchanger 2 through a seventh pipeline 26. Preferably, the second plate heat exchanger 8 adopts a CDU plate heat exchanger.

[0020] The data center cabinet array is composed of multiple data center servers 9, and the multiple data center servers 9 are connected to the third port of the second plate heat exchanger 8 through a refrigerant outlet pipeline 10 of a closed loop.

[0021] The cooling capacity distribution system further includes: a second condenser 11, and the second condenser 11 is arranged in parallel with the seventh pipeline 26. The second condenser 11 is used to release the heat absorbed by the refrigerant, and can be assembled together with the first condenser 4 and share a cooling fan 14 for heat dissipation, or can be connected to an outdoor spray tower or dry cooler.

[0022] Further explanation, a three-way valve 12 is provided on the seventh pipeline 26, and the three ports of the three-way valve 12 are respectively connected to the fourth port of the first plate heat exchanger 2, the second port of the second plate heat exchanger 8, and the first port of the second condenser 11. A check valve 13 is provided at the second port of the second condenser 11 and is connected to the fourth port of the first plate heat exchanger 2. When the system switches among three modes, the flow direction of the refrigerant can be changed through the three-way valve 12.

[0023] Further explanation: The fluorine pump 6 is used to drive the refrigerant to circulate in the fluorine pump circulation loop to deliver cooling capacity to the data center server 9; preferably, the refrigerant is Freon. The data center cabinet array includes multiple data center servers 9, and the refrigerant cooling systems of each data center server 9 are connected in parallel with each other to ensure the connectivity of each area.

[0024] The cooling capacity distribution system provided by the above embodiment can automatically switch between the following several modes according to the outdoor temperature and load conditions: When the outdoor temperature is relatively low (such as lower than 15°C), the system fully utilizes the natural cold source and enters the natural cold source mode. The mode switching steps are as follows: Close the compressor 1 and the throttling device 3 in the mechanical refrigeration compression loop, open the throttling device 3 in the fluorine pump circulation loop, and the three-way valve 12 acts to make the refrigerant flow through the condenser two 11. The refrigerant is pumped out from the fluorine pump 6, and after the pressure and flow rate are adjusted by the throttling device 3, it enters the evaporator 7 and the plate heat exchanger two 8, which are respectively used for dissipating heat from the air-cooled and liquid-cooled systems. The refrigerant absorbs heat and evaporates in the evaporator 7 and the plate heat exchanger two 8, and releases heat and condenses into a liquid state through the condenser two 11, and then returns to the fluorine pump 6 to complete the cycle. Among them, the evaporator 7 is used for the air-cooled system to dissipate heat from components such as hard disks, memories, power distribution systems, and network switches in the data center server 9, and the plate heat exchanger two 8 is used for the liquid-cooled system to dissipate heat from components such as CPUs and GPUs in the data center server 9.

[0025] During the switching process of the natural cold source mode, the system sets the opening degree of the throttling device 3 according to the return air temperature of the evaporator 7, the pressure and temperature of the fluorine pump circulation loop to control the amount of refrigerant entering the air-cooled and liquid-cooled systems; sets the rotation speed of the fluorine pump 6 according to the pressure and temperature of the fluorine pump circulation loop.

[0026] When the outdoor temperature exceeds 15°C and does not exceed 25°C, the system uses both the natural cold source and mechanical refrigeration and enters the hybrid refrigeration mode. The mode switching steps are as follows: Open the compressor 1 and the throttling device 3 in the mechanical refrigeration compression loop, open the throttling device 3 in the fluorine pump circulation loop, and the three-way valve 12 acts to make the refrigerant flow through the condenser two 11. The compressor 1 compresses the refrigerant into a high-temperature and high-pressure gas, which releases heat and condenses into a liquid state through the condenser one 4. The refrigerant enters the throttling device 3 to reduce the pressure, and then absorbs heat and evaporates into a gaseous state through the plate heat exchanger one 2, and the gaseous refrigerant returns to the compressor 1 to complete the cycle. On the other side, the refrigerant releases heat and condenses into a liquid state in the condenser two 11 and the plate heat exchanger two 8, is pressurized by the fluorine pump 6, and after the pressure and flow rate are adjusted by the throttling device 3, it enters the evaporator 7 and the plate heat exchanger two 8 to absorb heat and evaporate, and releases heat and condenses into a liquid state through the condenser two 11, and then returns to the fluorine pump 6 to complete the cycle.

[0027] During the switching process of the hybrid refrigeration mode, the system sets the opening degree of the throttling device 3 according to the return air temperature of the evaporator 7, the pressure and temperature of the fluorine pump circulation loop, so as to control the amount of refrigerant entering the air-cooled and liquid-cooled systems; sets the speed of the fluorine pump 6 according to the pressure and temperature of the fluorine pump circulation loop; and sets the speed and opening degree of the throttling device 3 of the compressor 1 according to the pressure and temperature of the mechanical refrigeration compression loop.

[0028] When the outdoor temperature is relatively high (such as higher than 25 °C), the system only relies on the mechanical refrigeration module to provide refrigeration capacity and enters the mechanical refrigeration mode. The mode switching steps are as follows: Turn on the compressor 1 and the throttling device 3 in the mechanical refrigeration compression loop, turn on the throttling device 3 in the fluorine pump circulation loop, and the three-way valve 12 acts, so that the refrigerant does not flow through the condenser II 11. The refrigerant is pumped out from the fluorine pump 6, and after the pressure and flow rate are adjusted by the throttling device 3, it enters the evaporator 7 and the plate heat exchanger II 8, which are respectively used to dissipate heat for the air-cooled and liquid-cooled systems. The refrigerant absorbs heat and evaporates in the evaporator 7 and the plate heat exchanger II 8, and condenses into a liquid state by releasing heat through the plate heat exchanger I 2, and then returns to the fluorine pump 6 to complete the cycle.

[0029] During the switching process of the mechanical refrigeration mode, the system sets the opening degree of the throttling device 3 according to the return air temperature of the evaporator 7, the pressure and temperature of the fluorine pump circulation loop, so as to control the amount of refrigerant entering the air-cooled and liquid-cooled systems; sets the speed of the fluorine pump 6 according to the pressure and temperature of the fluorine pump circulation loop; and sets the speed and opening degree of the throttling device 3 of the compressor 1 according to the pressure and temperature of the mechanical refrigeration compression loop.

[0030] In the above embodiments, the compressor is not directly connected to the evaporator and the CDU plate heat exchanger, but indirectly exchanges heat through the plate heat exchanger. Such a design reduces the flow of the mechanical compression refrigeration loop, makes it difficult for the compressor lubricating oil to accumulate in the condenser I and the loop, and avoids the problem of poor compressor oil return; the refrigerant in the evaporator and the CDU plate heat exchanger is driven by the fluorine pump to circulate, and the compressor is not used as the power, which optimizes the distribution of the refrigerant in the evaporator and the CDU plate heat exchanger, reduces the power consumption of the compressor, and also makes the terminal load have higher expandability; as Figure 6 shown, this design supports the system to expand the mechanical refrigeration module in parallel and can flexibly adjust the cold source according to the terminal load.

[0031] In addition to the above embodiments, the present invention may also have other implementation manners. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope required by the present invention.

Claims

1. A cooling capacity distribution system with a fluorine pump, characterized in that: include: Mechanical refrigeration compression loops, fluorine pump circulation loops and data center cabinet arrays; The mechanical refrigeration compression circuit comprises: a compressor (1), a plate heat exchanger (2), a throttling device (3) and a condenser (4); the air outlet of the compressor (1) is connected to the first port of the plate heat exchanger (2) via a first pipeline (20), the air outlet of the compressor (1) is connected to the air inlet of the condenser (4) via a second pipeline (21), the air outlet of the condenser (4) is connected to the second port of the plate heat exchanger (2) via a third pipeline (22), and the throttling device (3) is provided on the third pipeline (22); The fluorine pump circulation loop comprises: a liquid storage tank (5), a fluorine pump (6), an evaporator (7), a plate heat exchanger No. 2 (8) and a throttling device (3); the liquid inlet of the liquid storage tank (5) is connected to the third port of the plate heat exchanger No. 1 (2) via a fourth pipeline (23); the liquid outlet of the liquid storage tank (5) is provided with the fluorine pump (6); the evaporator (7) and the plate heat exchanger No. 2 (8) are connected in parallel; the first port of the evaporator (7) is connected to the fluorine pump (6) via a fifth pipeline (24); the first port of the plate heat exchanger No. 2 (8) is connected to the fluorine pump (6) via a sixth pipeline (25); the throttling device (3) is provided on both the fifth pipeline (24) and the sixth pipeline (25); the second ports of the evaporator (7) and the plate heat exchanger No. 2 (8) merge and are connected to the fourth port of the plate heat exchanger No. 1 (2) via a seventh pipeline (26); The data center cabinet array is composed of a plurality of data center servers (9), and the plurality of data center servers (9) are connected to the third port of the second plate heat exchanger (8) via a refrigerant outlet pipe (10); The cooling capacity distribution system further comprises: a second condenser (11); the second condenser (11) is arranged in parallel with the seventh pipeline (26).

2. A cooling capacity distribution system with a fluorine pump according to claim 1, characterized in that: The seventh pipeline (26) is provided with a three-way valve (12), and the three ports of the three-way valve (12) are respectively connected to the fourth port of the plate heat exchanger one (2), the second port of the plate heat exchanger two (8), and the first port of the condenser two (11); a one-way valve (13) is provided at the second port of the condenser two (11), and is connected to the fourth port of the plate heat exchanger one (2).

3. A cooling capacity distribution system with a fluorine pump according to claim 1, characterized in that: A heat dissipation fan (14) is provided on one side of the condenser 1 (4), and the condenser 2 (11) and the condenser 1 (4) share the heat dissipation fan (14).

4. A cooling capacity distribution system with a fluorine pump according to claim 1, characterized in that: The fluorine pump (6) is used to drive the refrigerant to circulate in the fluorine pump circulation loop to deliver cold air to the data center server (9); the refrigerant is Freon.

5. A cooling capacity distribution system with a fluorine pump according to claim 1, characterized in that: The data center cabinet array comprises a plurality of data center servers (9), and the refrigerant cooling systems of the data center servers (9) are connected in parallel to each other to ensure connectivity between various areas.

6. A cooling capacity distribution system with a fluorine pump according to claim 1, characterized in that: The plate heat exchanger 2 (8) adopts a CDU plate heat exchanger.

7. A cooling capacity distribution method with a fluorine pump, based on a cooling capacity distribution system with a fluorine pump as claimed in any one of claims 1 to 6, characterized in that: The following steps are involved: S1. Detect outdoor temperature: When the outdoor temperature is lower than 15℃, the system enters the natural cooling source mode; When the outdoor temperature exceeds 15°C and does not exceed 25°C, the system enters mixed cooling mode; When the outdoor temperature exceeds 25°C, the system enters mechanical cooling mode; S2. Natural cooling source mode switch: Closing the compressor (1) and the throttling device (3) in the mechanical refrigeration compression circuit; The throttling device (3) in the fluorine pump circulation loop is opened, and the three-way valve (12) is actuated, so that the refrigerant flows through the second condenser (11); The refrigerant is pumped out from the fluorine pump (6), and after the pressure and flow are adjusted by the throttling device (3), enters the evaporator (7) and the plate heat exchanger (2) (8), and is used to dissipate heat for the air cooling and liquid cooling systems, respectively. The refrigerant absorbs heat and evaporates in the evaporator (7) and the plate heat exchanger (2) (8), and releases heat and condenses into a liquid through the condenser (2) (11), and returns to the fluorine pump (6) to complete the cycle; wherein the evaporator (7) is used in the air cooling system to dissipate heat for the hard disk, memory, power distribution system and network switch in the data center server (9); the plate heat exchanger (2) (8) is used in the liquid cooling system to dissipate heat for the CPU and GPU in the data center server (9); S3. Mixed cooling mode switching: Opening the compressor (1) and the throttling device (3) in the mechanical refrigeration compression circuit; The throttling device (3) in the fluorine pump circulation loop is opened, and the three-way valve (12) is actuated, so that the refrigerant flows through the second condenser (11); The compressor (1) compresses the refrigerant into a high-temperature and high-pressure gas, which is condensed into a liquid by releasing heat through the condenser one (4), and then enters the throttling device (3) to reduce the pressure, and then passes through the plate heat exchanger one (2) to absorb heat and evaporate into a gas, and the gaseous refrigerant returns to the compressor (1) to complete the cycle; on the other side, the refrigerant releases heat and condenses into a liquid in the condenser two (11) and the plate heat exchanger two (8), and is pressurized by the fluorine pump (6). After the pressure and flow are adjusted by the throttling device (3), the refrigerant enters the evaporator (7) and the plate heat exchanger two (8) to absorb heat and evaporate, and then passes through the condenser two (11) to release heat and condense into a liquid, and then returns to the fluorine pump (6) to complete the cycle; S4. Mechanical refrigeration mode: Opening the compressor (1) and the throttling device (3) in the mechanical refrigeration compression circuit; The throttling device (3) in the fluorine pump circulation loop is opened, and the three-way valve (12) is actuated so that the refrigerant does not flow through the second condenser (11); the refrigerant is pumped out of the fluorine pump (6), and after the pressure and flow are adjusted by the throttling device (3), it enters the evaporator (7) and the second plate heat exchanger (8), and is used to dissipate heat for the air cooling and liquid cooling systems respectively. The refrigerant absorbs heat and evaporates in the evaporator (7) and the second plate heat exchanger (8), and releases heat and condenses into liquid through the first plate heat exchanger (2), and returns to the fluorine pump (6) to complete the cycle.

8. A cooling capacity distribution method with a fluorine pump according to claim 7, characterized in that: In step S2, the opening of the throttling device (3) is set according to the return air temperature of the evaporator (7) and the pressure and temperature of the fluorine pump circulation loop to control the amount of refrigerant entering the air cooling and liquid cooling system; and the speed of the fluorine pump (6) is set according to the pressure and temperature of the fluorine pump circulation loop.

9. A cooling capacity distribution method with a fluorine pump according to claim 7, characterized in that: In steps S3 and S4, the opening of the throttling device (3) is set according to the return air temperature of the evaporator (7) and the pressure and temperature of the fluorine pump circulation loop to control the amount of refrigerant entering the air cooling and liquid cooling systems; the speed of the fluorine pump (6) is set according to the pressure and temperature of the fluorine pump circulation loop; and the speed of the compressor (1) and the opening of the throttling device (3) are set according to the pressure and temperature of the mechanical refrigeration compression loop.

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