Integrated system for data center power supply and cooling based on flow battery and submerged liquid cooling

Abstract

This invention discloses a comprehensive data center power supply and cooling system based on flow batteries and immersion liquid cooling. It includes a cascaded heat exchange and waste heat utilization technology that utilizes heat exchange between the cooling medium and electrolyte, power supply through electrolyte redox reactions, recovery of waste heat from the electrolyte by an absorption chiller, and deep cooling of the cooling medium by cooling water. This is combined with temperature control technology using multiple temperature sensors to monitor and control the pump valves intelligently, and with complementary power supply technology between the flow battery and the external power grid. This achieves coordinated control of power supply and cooling, improves overall energy utilization, ensures long-term stable system operation, and reduces dependence on the external power grid. This invention solves the technical problems of low heat dissipation efficiency, lack of cascaded waste heat recovery, independent power supply and cooling systems, low energy utilization, and poor operational stability in traditional data centers.

Description

Technical Field

[0001] This invention belongs to the field of data center energy saving and thermal management technology, and relates to a data center power supply and cooling integrated system based on flow batteries and immersion liquid cooling. Background Technology

[0002] With the rapid development of the digital economy and applications such as artificial intelligence and high-performance computing, data centers are continuously expanding in scale, and the power density and heat load of equipment are significantly increasing. Traditional heat dissipation and power supply models are no longer suitable for the demand for high-efficiency operation. Currently, most data centers use air cooling, which has low heat exchange efficiency and high energy consumption, and cannot meet the heat dissipation requirements of high-density servers. In addition, a large amount of low-grade waste heat generated during operation is directly emitted without effective recycling, resulting in energy waste and environmental thermal pollution.

[0003] Regarding the coupling of energy storage and thermal management, existing systems do not deeply integrate the electrolyte circulation characteristics of flow batteries with immersion cooling technology. The electrolyte is only used as a single energy storage medium, failing to fully utilize its thermal conductivity and heat-carrying capacity. Simultaneously, waste heat recovery methods are simplistic, lacking a tiered utilization mechanism. Waste heat utilization technologies such as absorption refrigeration are not integrated with battery energy storage and immersion cooling to form a closed-loop synergy, resulting in low overall system energy utilization, high comprehensive energy consumption, and poor operational economy. Furthermore, traditional power supply models rely excessively on the external power grid, with energy storage and cooling systems operating independently. This prevents coordinated control of power supply and heat recovery, and the temperature monitoring and safety protection mechanisms are inadequate, making it difficult to ensure long-term stable system operation and hindering the construction and development of green and low-carbon data centers. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of low heat dissipation efficiency, inability to recover and utilize waste heat in a tiered manner, independent power supply and cooling systems, high overall energy consumption and poor energy utilization in traditional data centers in the prior art, and to provide a data center power supply and cooling integrated system based on flow batteries and immersion liquid cooling.

[0005] To achieve the above objectives, the present invention employs the following technical solution:

[0006] A data center power supply and cooling integrated system based on flow batteries and immersion liquid cooling includes: a data center immersion cooling module, a flow battery power supply and cooling module, and a cooling water circulation module; the data center immersion cooling module includes a low-temperature cooling medium, a data center load, and a heat exchanger II; the flow battery power supply and cooling module includes a positive electrode electrolyte storage tank, a negative electrode electrolyte storage tank, a heat exchanger I, a flow battery stack, a DC / DC converter, and an absorption chiller;

[0007] The low-temperature cooling medium flows into the data center load and absorbs the heat from the data center load to form a high-temperature cooling medium. The high-temperature cooling medium enters heat exchanger I. The battery electrolyte flowing out of the positive and negative electrolyte storage tanks exchanges heat with the high-temperature cooling medium through heat exchanger I. The heated flow battery electrolyte enters the flow battery stack and undergoes a redox reaction to generate electricity. The electricity is then used to power the data center load through a DC / DC converter. The cooled cooling medium flows into heat exchanger II for further cooling before flowing back into the data center load. The reacted flow battery electrolyte enters an absorption chiller to release waste heat. The cooled electrolyte flows back to the positive and negative electrolyte storage tanks. The cooling water circulation module is connected to the absorption chiller to cool the cooling water.

[0008] A further improvement of the present invention is that:

[0009] Furthermore, the data center immersion cooling module also includes a cooling medium drive pump I; the cooling medium drive pump I is connected to the heat exchanger II and the data center load; the cooling medium drive pump I drives the low-temperature cooling medium into the data center load to absorb the heat of the data center load.

[0010] Furthermore, a positive electrolyte driving pump II and a negative electrolyte driving pump III are respectively installed between the positive electrolyte storage tank, the negative electrolyte storage tank and the heat exchanger I; the positive electrolyte driving pump II drives the positive battery electrolyte in the positive electrolyte storage tank to flow into the heat exchanger I; the negative electrolyte driving pump III drives the negative battery electrolyte in the negative electrolyte storage tank to flow into the heat exchanger I.

[0011] Furthermore, the cooling water circulation module includes a chilled water storage tank and a chilled water drive pump IV; the chilled water storage tank provides chilled water to the absorption chiller, and the chilled water absorbs heat from the high-temperature electrolyte to become low-temperature chilled water; the chilled water drive pump IV delivers the low-temperature chilled water to the heat exchanger II for deep cooling of the low-temperature cooling working fluid, and after heat exchange, it flows back to the chilled water storage tank.

[0012] Furthermore, temperature sensors IV and V are respectively installed between the absorption chiller and the positive electrolyte storage tank and the negative electrolyte storage tank; temperature sensors II and III are respectively installed between the heat exchanger I and the flow battery stack; a cooling medium valve I and a temperature sensor I are installed on the pipeline between the cooling medium drive pump I and the data center load; a positive electrolyte valve II is installed between the positive electrolyte drive pump II and the positive electrolyte storage tank; a negative electrolyte valve III is installed between the negative electrolyte drive pump III and the negative electrolyte storage tank; and a chilled water valve IV is installed between the absorption chiller and the chilled water storage tank.

[0013] Temperature sensor IV, temperature sensor V, temperature sensor II, temperature sensor III, cooling medium drive pump I, cooling medium valve I, temperature sensor I, positive electrolyte valve II, negative electrolyte valve III, positive electrolyte drive pump II, negative electrolyte drive pump III, chilled water valve IV, and chilled water drive pump IV are all connected to an external control unit. The external control unit determines whether the temperature exceeds a preset temperature threshold based on the temperature information monitored by temperature sensor IV, temperature sensor V, temperature sensor II, temperature sensor III, and temperature sensor I. If it exceeds the threshold, it issues corresponding commands to adjust the switching of cooling medium drive pump I, cooling medium valve I, positive electrolyte valve II, negative electrolyte valve III, positive electrolyte drive pump II, negative electrolyte drive pump III, chilled water valve IV, and chilled water drive pump IV.

[0014] Furthermore, the temperature sensor I monitors the temperature of the cooling medium from the heat exchanger II in real time. When the temperature monitored by the temperature sensor I exceeds a preset first threshold, the control unit adjusts the chilled water drive pump IV to increase the flow rate of the cooling water to further cool the cooling medium.

[0015] Furthermore, temperature sensors II and III monitor the temperature of the flow battery electrolyte from heat exchanger I in real time; temperature sensors IV and V monitor the temperature of the flow battery electrolyte from the absorption chiller in real time.

[0016] When the temperature monitored by temperature sensors IV, V, II, and III is higher than the preset second threshold, the control unit adjusts the flow rate of the positive electrolyte drive pump II and the negative electrolyte drive pump III to reduce the electrolyte temperature; when the temperature monitored by temperature sensors IV, V, II, and III is higher than the preset third threshold, the control unit immediately closes the positive electrolyte valve II and the negative electrolyte valve III, and sends the electrolyte to the positive electrolyte storage tank and the negative electrolyte storage tank.

[0017] Furthermore, the data center load is connected to an external power grid; the external power grid supplies power to the data center load.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This invention utilizes a low-temperature cooling medium to absorb heat from the data center load, forming a high-temperature cooling medium. Heat exchanger I facilitates heat exchange between the high-temperature cooling medium and the electrolyte in a flow battery. The heated electrolyte then enters the flow battery stack to undergo a redox reaction and supplies power to the data center load via a DC / DC converter. Simultaneously, an absorption chiller recovers waste heat from the reaction, a cooling water circulation module supplies cooling to the absorption chiller, and heat exchanger II deeply cools the cooling medium. This tiered heat exchange and waste heat utilization technology, coupled with multi-position temperature sensors and a control unit that adjusts the pump and valve opening / flow rate based on temperature thresholds, and a complementary power supply technology between the external power grid and the flow battery, solves the technical problems of low heat exchange efficiency and ineffective recovery of low-grade waste heat in traditional data center air-cooled systems. This invention significantly improves the overall system's economy and energy utilization efficiency, enhances the redox reaction process in the flow battery stack, achieves tiered utilization of data center waste heat and coordinated control of power supply, improves the system's overall energy utilization efficiency, and ensures system stability and economy. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the integrated power supply and cooling system for data centers based on flow batteries and immersion liquid cooling according to the present invention.

[0022] Among them, 1-Data center immersion cooling module, 2-Flow battery powered cooling module, 3-Cooling water circulation module, 4-Data center load, 5-Low temperature cooling medium, 6-Cooling medium valve I, 7-Temperature sensor I, 8-Cooling medium drive pump I, 9-Heat exchanger I, 10-Heat exchanger II, 11-Positive electrolyte storage tank, 12-Negative electrolyte storage tank, 13-Positive electrolyte valve II, 14-Negative electrolyte valve III, 15-Positive electrolyte drive pump II, 16-Negative electrolyte drive pump III, 17-Temperature sensor II, 18-Temperature sensor III, 19-Flow battery stack, 20-Absorption chiller, 21-Temperature sensor IV, 22-Temperature sensor V, 23-Chilled water storage tank, 24-Chilled water valve IV, 25-Chilled water drive pump, 26-DC / DC converter, 27-External power grid. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0026] In the description of the embodiments of the present invention, it should be noted that if terms such as "upper," "lower," "horizontal," or "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, terms such as "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0027] Furthermore, the use of the term "horizontal" does not imply that the component must be absolutely horizontal, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0029] The present invention will now be described in further detail with reference to the accompanying drawings:

[0030] See Figure 1 This invention discloses a data center power supply and cooling integrated system based on flow batteries and immersion liquid cooling, including: a data center immersion cooling module 1, a flow battery power supply and cooling module 2, and a cooling water circulation module 3; the data center immersion cooling module 1 includes a low-temperature cooling medium 5, a data center load 4, and a heat exchanger II 10; the flow battery power supply and cooling module 2 includes a positive electrode electrolyte storage tank 11, a negative electrode electrolyte storage tank 12, a heat exchanger I 9, a flow battery stack 19, a DC / DC converter 26, and an absorption chiller 20;

[0031] When the integrated power supply and cooling system starts operating, the low-temperature cooling medium 5 flows into the data center load 4 and absorbs the heat from the data center load 4, forming a high-temperature cooling medium. The low-temperature cooling medium 5 can be an electronic fluorinated liquid, with typical models including Novec 7100, Novec 7200, Novec 7300, Novec 7500, and Novec 7700. In this embodiment, Novec 7100 is used as the cooling medium for the data center immersion cooling module. Novec 7100 dissipates heat from the operating load and generates a high-temperature cooling medium. The high-temperature cooling medium enters heat exchanger I9; the battery electrolyte flowing out of the positive electrode electrolyte storage tank 11 and the negative electrode electrolyte storage tank 12 exchanges heat with the high-temperature cooling medium through heat exchanger I9; the heated flow battery electrolyte enters the flow battery stack 19 and undergoes a redox reaction to generate electrical energy, which is then supplied to the data center load 4 via DC / DC converter 26; the electrolyte can be vanadium-based, zinc-bromine, or polymetallic oxyhydrochloric acid, etc. In this example, a vanadium-based system is used as the electrolyte for the flow battery power supply and cooling module.

[0032] After cooling, the cooling medium flows into heat exchanger II10 for further cooling and then flows back into the data center load 4; the electrolyte of the flow battery after reaction enters the absorption chiller 20 to release residual heat, and the cooled electrolyte flows back to the positive electrode electrolyte storage tank 11 and the negative electrode electrolyte storage tank 12; the cooling water circulation module 3 is connected to the absorption chiller 20 to cool the cooling water.

[0033] The data center immersion cooling module 1 also includes a cooling medium drive pump I8; the cooling medium drive pump I8 is connected to the heat exchanger II10 and the data center load 4; the cooling medium drive pump I8 drives the low-temperature cooling medium 5 into the data center load 4 to absorb the heat of the data center load 4.

[0034] A positive electrolyte driving pump II 15 and a negative electrolyte driving pump III 16 are respectively installed between the positive electrolyte storage tank 11, the negative electrolyte storage tank 12 and the heat exchanger I 9; the positive electrolyte driving pump II 15 drives the positive battery electrolyte in the positive electrolyte storage tank 11 to flow into the heat exchanger I 9; the negative electrolyte driving pump III 16 drives the negative battery electrolyte in the negative electrolyte storage tank 12 to flow into the heat exchanger I 9.

[0035] The cooling water circulation module 3 includes a chilled water storage tank 23 and a chilled water drive pump IV 25. The chilled water storage tank 23 provides chilled water to the absorption chiller 20. The chilled water absorbs heat from the high-temperature electrolyte and becomes low-temperature chilled water. The chilled water drive pump IV 25 transports the low-temperature chilled water to the heat exchanger II 10 for deep cooling of the low-temperature cooling medium 5. After heat exchange, the water flows back to the chilled water storage tank 23.

[0036] Temperature sensors IV 21 and V 22 are respectively installed between the absorption chiller 20 and the positive electrolyte storage tank 11 and the negative electrolyte storage tank 12; temperature sensors II 17 and III 18 are respectively installed between the heat exchanger I 9 and the flow battery stack 19; a cooling medium valve I 6 and a temperature sensor I 7 are installed on the pipeline between the cooling medium drive pump I 8 and the data center load 4; a positive electrolyte valve II 13 is installed between the positive electrolyte drive pump II 15 and the positive electrolyte storage tank 11; a negative electrolyte valve III 14 is installed between the negative electrolyte drive pump III 16 and the negative electrolyte storage tank 12; a chilled water valve IV 24 is installed between the absorption chiller 20 and the chilled water storage tank 23; and temperature sensors IV 21, V 22, and II 17 are also installed. Temperature sensor III18, cooling medium drive pump I8, cooling medium valve I6, temperature sensor I7, positive electrolyte valve II13, negative electrolyte valve III14, positive electrolyte drive pump II15, negative electrolyte drive pump III16, chilled water valve IV24, and chilled water drive pump IV25 are all externally connected to control units. These external control units determine whether the temperature exceeds a preset threshold based on the temperature information monitored by temperature sensors IV21, V22, II17, III18, and I7. If it does, the control unit issues corresponding commands to adjust the switching of cooling medium drive pump I8, cooling medium valve I6, positive electrolyte valve II13, negative electrolyte valve III14, positive electrolyte drive pump II15, negative electrolyte drive pump III16, chilled water valve IV24, and chilled water drive pump IV25.

[0037] The temperature sensor I7 monitors the temperature of the cooling medium from the heat exchanger II10 in real time. When the temperature monitored by the temperature sensor I7 exceeds the preset first threshold, the chilled water drive pump IV25 is adjusted to increase the flow rate of the cooling water to further cool the cooling medium.

[0038] Temperature sensor II 17 and temperature sensor III 18 monitor the temperature of the flow battery electrolyte from heat exchanger I 9 in real time; temperature sensor IV 21 and temperature sensor V 22 monitor the temperature of the flow battery electrolyte from absorption chiller 20 in real time.

[0039] When the temperature monitored by temperature sensors IV21, V22, II17, and III18 is higher than the preset second threshold, the control unit adjusts the flow rate of the positive electrolyte drive pump II15 and the negative electrolyte drive pump III16 to reduce the electrolyte temperature; when the temperature monitored by temperature sensors IV21, V22, II17, and III18 is higher than the preset third threshold, the control unit immediately closes the positive electrolyte valve II13 and the negative electrolyte valve III14, and sends the electrolyte to the positive electrolyte storage tank 11 and the negative electrolyte storage tank 12.

[0040] Temperature sensors II17 and III18 monitor in real time the high-temperature Novec 7100 flowing from heat exchanger I9 for initial cooling, ensuring the vanadium solution temperature does not exceed 40°C. The upper temperature limit for the modified vanadium solution can be increased to 55°C. If the vanadium solution temperature becomes too high, the electrolyte flow rate needs to be increased immediately by positive electrolyte drive pump II15 and negative electrolyte drive pump III16 to lower the temperature. Based on the temperature control situation, it is determined whether to stop the module's operation by using positive electrolyte valve II13 and negative electrolyte valve III14.

[0041] The generated high-temperature vanadium solution undergoes a stronger redox reaction when it flows into the flow battery stack 19, thereby outputting more electrical energy. At this time, the amount of electricity purchased from the grid 27 can be reduced according to the actual situation, thus realizing the initial utilization of waste heat and improving the economy of the integrated system.

[0042] Next, the high-temperature vanadium solution flows through the absorption chiller 20, using the excess heat to drive the chiller to form low-temperature chilled water, thereby achieving indirect cascade utilization of waste heat and improving the energy efficiency of the entire system. After the vanadium solution flows out of the absorption chiller, it still needs to be temperature-detected by temperature sensors IV 21 and V 22, and finally flows into the positive electrode electrolyte storage tank 11 and the negative electrode electrolyte storage tank 12.

[0043] Chilled water in cooling water circulation module 3 is driven by chilled water drive pump IV 25 from chilled water storage tank 23 into absorption chiller 20 for cooling. The low-temperature chilled water further enters heat exchanger II 10 for further cooling of Novec 7100, and finally returns to chilled water storage tank 23.

[0044] After undergoing two cooling cycles, the Novec 7100 re-cools the data center load 4 after temperature detection by temperature sensor I 7.

[0045] The data center load 4 is connected to an external power grid 27; the external power grid 27 supplies power to the data center load 4.

[0046] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A data center power supply and cooling integrated system based on flow batteries and immersion liquid cooling, characterized in that, include: The data center immersion cooling module (1), the flow battery powered cooling module (2), and the cooling water circulation module (3) are included. The data center immersion cooling module (1) includes a low-temperature cooling medium (5), a data center load (4), and a heat exchanger II (10). The flow battery powered cooling module (2) includes a positive electrode electrolyte storage tank (11), a negative electrode electrolyte storage tank (12), a heat exchanger I (9), a flow battery stack (19), a DC / DC converter (26), and an absorption chiller (20). The low-temperature cooling medium (5) flows into the data center load (4) and absorbs the heat of the data center load (4) to form a high-temperature cooling medium; the high-temperature cooling medium enters the heat exchanger I (9); the battery electrolyte flowing out of the positive electrode electrolyte storage tank (11) and the negative electrode electrolyte storage tank (12) exchanges heat with the high-temperature cooling medium through the heat exchanger I (9); the heated flow battery electrolyte enters the flow battery stack (19) to undergo a redox reaction to generate electrical energy, and the electrical energy is then... The DC / DC converter (26) supplies power to the data center load (4); the cooled working fluid flows into the heat exchanger II (10) for further cooling and then flows back into the data center load (4); the electrolyte of the flow battery after the reaction enters the absorption chiller (20) to release residual heat, and the cooled electrolyte flows back to the positive electrolyte storage tank (11) and the negative electrolyte storage tank (12); the cooling water circulation module (3) is connected to the absorption chiller (20) to cool the cooling water.

2. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 1, characterized in that, The data center immersion cooling module (1) also includes a cooling medium drive pump I (8); the cooling medium drive pump I (8) is connected to the heat exchanger II (10) and the data center load (4); the cooling medium drive pump I (8) drives the low-temperature cooling medium (5) into the data center load (4) to absorb the heat of the data center load (4).

3. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 2, characterized in that, A positive electrolyte driving pump II (15) and a negative electrolyte driving pump III (16) are respectively installed between the positive electrolyte storage tank (11), the negative electrolyte storage tank (12) and the heat exchanger I (9); the positive electrolyte driving pump II (15) drives the positive battery electrolyte in the positive electrolyte storage tank (11) to flow into the heat exchanger I (9); the negative electrolyte driving pump III (16) drives the negative battery electrolyte in the negative electrolyte storage tank (12) to flow into the heat exchanger I (9).

4. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 3, characterized in that, The cooling water circulation module (3) includes a chilled water storage tank (23) and a chilled water drive pump IV (25). The chilled water storage tank (23) provides chilled water to the absorption chiller (20). The chilled water absorbs the heat of the high-temperature electrolyte and becomes low-temperature chilled water. The chilled water drive pump IV (25) transports the low-temperature chilled water to the heat exchanger II (10) to deeply cool the low-temperature cooling medium (5). After heat exchange, the water flows back to the chilled water storage tank (23).

5. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 4, characterized in that, Temperature sensors IV (21) and V (22) are respectively installed between the absorption chiller (20) and the positive electrolyte storage tank (11) and the negative electrolyte storage tank (12); temperature sensors II (17) and III (18) are respectively installed between the heat exchanger I (9) and the flow battery stack (19); cooling working fluid valve I (6) and temperature sensor I (7) are installed on the pipeline between the cooling working fluid drive pump I (8) and the data center load (4); positive electrolyte valve II (13) is installed between the positive electrolyte drive pump II (15) and the positive electrolyte storage tank (11); negative electrolyte valve III (14) is installed between the negative electrolyte drive pump III (16) and the negative electrolyte storage tank (12); and chilled water valve IV (24) is installed between the absorption chiller (20) and the chilled water storage tank (23). Temperature sensor IV (21), temperature sensor V (22), temperature sensor II (17), temperature sensor III (18), cooling medium drive pump I (8), cooling medium valve I (6), temperature sensor I (7), positive electrolyte valve II (13), negative electrolyte valve III (14), positive electrolyte drive pump II (15), negative electrolyte drive pump III (16), chilled water valve IV (24), and chilled water drive pump IV (25) are all externally connected to a control unit; the external control unit is based on temperature sensor IV (21) The temperature information monitored by temperature sensor V (22), temperature sensor II (17), temperature sensor III (18), and temperature sensor I (7) is used to determine whether the temperature exceeds the preset temperature threshold. If it does, the corresponding command is sent to adjust the switching of cooling working fluid drive pump I (8), cooling working fluid valve I (6), positive electrolyte valve II (13), negative electrolyte valve III (14), positive electrolyte drive pump II (15), negative electrolyte drive pump III (16), chilled water valve IV (24), and chilled water drive pump IV (25).

6. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 5, characterized in that, The temperature sensor I (7) monitors the temperature of the cooling medium from the heat exchanger II (10) in real time. When the temperature monitored by the temperature sensor I (7) exceeds the preset first threshold, the control unit adjusts the chilled water drive pump IV (25) to increase the flow rate of the cooling water to further cool the cooling medium.

7. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 6, characterized in that, Temperature sensor II (17) and temperature sensor III (18) monitor the temperature of the flow battery electrolyte from heat exchanger I (9) in real time; temperature sensor IV (21) and temperature sensor V (22) monitor the temperature of the flow battery electrolyte from absorption chiller (20) in real time. When the temperature monitored by temperature sensor IV (21), temperature sensor V (22), temperature sensor II (17), and temperature sensor III (18) is higher than the preset second threshold, the control unit adjusts the flow rate of positive electrolyte drive pump II (15) and negative electrolyte drive pump III (16) to reduce the electrolyte temperature; when the temperature monitored by temperature sensor IV (21), temperature sensor V (22), temperature sensor II (17), and temperature sensor III (18) is higher than the preset third threshold, the control unit immediately closes positive electrolyte valve II (13) and negative electrolyte valve III (14) to send the electrolyte to positive electrolyte storage tank (11) and negative electrolyte storage tank (12).

8. The integrated data center power supply and cooling system based on flow battery and immersion liquid cooling according to claim 7, characterized in that, The data center load (4) is connected to an external power grid (27); the external power grid (27) supplies power to the data center load (4).

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