Integrated liquid cooling system and integrated liquid cooling unit

Abstract

The utility model relates to the technical field of air conditioners, in particular to an integrated liquid cooling system and an integrated liquid cooling unit. The integrated liquid cooling system comprises a heat exchanger, a heat exchange circulation flow path, a battery cooling flow path and a dehumidification flow path, and the heat exchanger is provided with a first fluid channel and a second fluid channel. The battery cooling flow path comprises a liquid outlet flow path and a liquid inlet flow path, one end of the liquid outlet flow path is communicated with an outlet of the second fluid channel, the other end of the liquid outlet flow path is communicated with a cooling inlet of the energy storage device, one end of the liquid inlet flow path is communicated with an inlet of the second fluid channel, the other end of the liquid inlet flow path is communicated with a cooling outlet of the energy storage device, and the liquid inlet flow path comprises an electric heating device. One end of the dehumidification flow path communicates with the liquid outlet flow path, and the other end of the dehumidification flow path communicates with the liquid inlet flow path and is used for dehumidifying gas in the energy storage device. According to the integrated liquid cooling system and the integrated liquid cooling unit provided by the invention, the problem that the existing equipment for temperature control and dehumidification of the energy storage container occupies a large area is solved.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, and in particular to an integrated liquid cooling system and an integrated liquid cooling unit. Background Technology

[0002] An energy storage container is a device that stores and utilizes electrical energy through internal batteries. It can discharge during peak electricity demand and charge during off-peak periods, thereby balancing the power load and improving overall efficiency. However, batteries generate a significant amount of heat during charging and discharging, necessitating a thermal management system to cool them and prevent overheating and thermal runaway. Furthermore, when both ambient temperature and humidity are high, condensation can occur at the connection points between the pipes and battery interfaces due to the use of a low-temperature refrigerant in the pipes. The condensed water droplets can accumulate and damage battery components, significantly impacting the safety of the energy storage container. Conversely, low ambient temperatures can reduce battery charging and discharging efficiency and shorten cycle life. Therefore, it is crucial to maintain the batteries under specific temperature and humidity conditions to ensure optimal operating conditions.

[0003] In related technologies, temperature control of the energy storage container is often achieved by connecting a liquid cooling unit to the battery's thermal management system, and humidity control inside the container is achieved by using a separate dehumidifier. This keeps the battery within a suitable temperature and humidity range, improving the efficiency and safety of the energy storage container. However, these two separate devices occupy a significant amount of space, which is not conducive to improving space utilization. Utility Model Content

[0004] Therefore, it is necessary to provide an integrated liquid cooling system and an integrated liquid cooling unit to solve the problem of the large footprint of existing equipment used for temperature control and dehumidification of energy storage containers.

[0005] This application provides an integrated liquid cooling system, which includes a heat exchanger, a heat exchange circulation path, a battery cooling path, and a dehumidification path. The heat exchanger is provided with a first fluid channel and a second fluid channel. The first fluid channel is connected in series with the heat exchange circulation path, and the second fluid channel is connected in series with the battery cooling path. The fluid medium in the first fluid channel and the fluid medium in the second fluid channel can exchange heat within the heat exchanger. The battery cooling path includes an outlet flow path and an inlet flow path. One end of the outlet flow path is connected to the outlet of the second fluid channel, and the other end is used to connect to the cooling inlet of the energy storage device. One end of the inlet flow path is connected to the inlet of the second fluid channel, and the other end is used to connect to the cooling outlet of the energy storage device. The inlet flow path includes an electric heating device for heating the fluid medium flowing out of the cooling outlet of the energy storage device. One end of the dehumidification path is connected to the outlet flow path, and the other end is connected to the inlet flow path, for dehumidifying the gas inside the energy storage device.

[0006] In one embodiment, the dehumidification flow path includes a dehumidification coil and a control valve. The two ends of the dehumidification coil are respectively connected to the liquid outlet flow path and the liquid inlet flow path. The control valve is located between the dehumidification coil and the liquid outlet flow path and is used to control the on / off state of the dehumidification flow path.

[0007] In one embodiment, the integrated liquid cooling system further includes a dehumidifying fan and a sensor, the dehumidifying fan being used to blow gas onto the dehumidifying coil, and the sensor being used to monitor ambient temperature and humidity.

[0008] In one embodiment, the liquid inlet path further includes a water pump, which is located between the electric heating device and the heat exchanger.

[0009] In one embodiment, the number of water pumps is two, and the two water pumps are connected in parallel; and / or, the number of electric heating devices is two, and the two electric heating devices are connected in parallel.

[0010] In one embodiment, the heat exchange circulation path includes a compressor, a condenser, and an expansion valve arranged in series. The expansion valve is connected to the inlet of the first fluid channel, and the compressor is connected to the outlet of the first fluid channel.

[0011] In one embodiment, the number of heat exchange circulation paths is two, and the two heat exchange circulation paths are arranged in parallel.

[0012] This application also provides an integrated liquid cooling unit, which includes a housing and an integrated liquid cooling system as described in any of the above embodiments. The integrated liquid cooling system is installed in the housing. The housing has a water inlet and a water outlet, which are used for the passage of the battery cooling flow path to connect the battery cooling flow path to the pipeline of the energy storage device. The water inlet and the water outlet are both located on the top of the housing.

[0013] In one embodiment, the number of water inlets is two, and the two water inlets are spaced apart along the width direction of the tank; and / or, the number of water outlets is two, and the two water outlets are spaced apart along the width direction of the tank.

[0014] In one embodiment, the housing is further provided with an air inlet and an air outlet, both of which are used to communicate with the energy storage device. The air inlet is located on the lower side of the housing, and the air outlet is located on the upper side of the housing.

[0015] Compared to existing technologies, the integrated liquid cooling system and integrated liquid cooling unit provided in this application, during the operation of the energy storage device, have the battery cooling flow path deliver the fluid medium into the energy storage device through the outlet flow path. After exchanging heat with the energy storage device through charging and discharging, the fluid medium's temperature rises. Then, it enters the heat exchanger through the inlet flow path and exchanges heat with the fluid medium in the heat exchange circulation flow path, thereby reducing the temperature of the fluid medium in the battery cooling flow path. If the ambient temperature is low, the fluid medium in the battery cooling flow path can be heated first using an electric heating device to raise the battery temperature in the energy storage device before normal operation, reducing the heat generated during charging and discharging. This ensures that the battery in the energy storage device remains within a suitable temperature range, thus greatly improving the reliability of the energy storage device during operation. Furthermore, since an electric heating device can be used to raise the temperature in low-temperature environments, the heat exchange circulation flow path does not need to implement a low-temperature heating function, making operation simpler. Furthermore, this application integrates the dehumidification flow path into the battery cooling flow path, which can use the low-temperature fluid medium in the liquid outlet flow path to dehumidify the air in the self-energy storage device, thereby avoiding the increase in space occupied by setting up a separate dehumidification device and greatly improving the space utilization rate. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of an integrated liquid cooling system according to an embodiment of this application;

[0018] Figure 2 A schematic diagram of the structure of an integrated liquid-cooled unit according to an embodiment of this application;

[0019] Figure 3 This is a structural schematic diagram of an integrated liquid-cooled unit according to an embodiment of this application from another perspective.

[0020] The symbols in the diagram represent the following meanings:

[0021] 100. Integrated liquid cooling unit; 10. Integrated liquid cooling system; 11. Heat exchanger; 12. Heat exchange circulation path; 121. Compressor; 122. Condenser; 123. Expansion valve; 13. Battery cooling path; 131. Liquid outlet path; 132. Liquid inlet path; 1321. Electric heating device; 1322. Water pump; 14. Dehumidification path; 141. Dehumidification coil; 142. Control valve; 15. Dehumidification fan; 16. Sensor; 20. Housing; 201. Water inlet; 202. Water outlet; 203. Air inlet; 204. Air outlet; 200. Energy storage device. Detailed Implementation

[0022] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0023] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0027] An energy storage container is a device that stores and utilizes electrical energy through internal batteries. It can discharge during peak electricity demand and charge during off-peak periods, thereby balancing the power load and improving overall efficiency. However, batteries generate a significant amount of heat during charging and discharging, necessitating a thermal management system to cool them and prevent overheating and thermal runaway. Furthermore, when both ambient temperature and humidity are high, condensation can occur at the connection points between the pipes and battery interfaces due to the use of a low-temperature refrigerant in the pipes. The condensed water droplets can accumulate and damage battery components, significantly impacting the safety of the energy storage container. Conversely, low ambient temperatures can reduce battery charging and discharging efficiency and shorten cycle life. Therefore, it is crucial to maintain the batteries under specific temperature and humidity conditions to ensure optimal operating conditions.

[0028] In related technologies, temperature control of the energy storage container is often achieved by connecting a liquid cooling unit to the battery's thermal management system, and humidity control inside the container is achieved by using a separate dehumidifier. This keeps the battery within a suitable temperature and humidity range, improving the efficiency and safety of the energy storage container. However, these two separate devices occupy a significant amount of space, which is not conducive to improving space utilization.

[0029] Please see Figures 1-3 To address the issue of large footprint in existing temperature control and dehumidification equipment for energy storage containers, this application provides an integrated liquid cooling system 10. This integrated liquid cooling system 10 includes a heat exchanger 11, a heat exchange circulation path 12, a battery cooling path 13, and a dehumidification path 14. The heat exchanger 11 has a first fluid channel and a second fluid channel. The first fluid channel is connected in series with the heat exchange circulation path 12, and the second fluid channel is connected in series with the battery cooling path 13. The fluid media in the first fluid channel and the fluid media in the second fluid channel can exchange heat within the heat exchanger 11. Preferably, the heat exchanger 11 is a plate heat exchanger 11, allowing the first and second fluid channels to exchange heat independently. Alternatively, a shell-and-tube heat exchanger 11 or other equipment capable of performing the same or similar functions can also be used.

[0030] It should also be noted that the fluid medium in the first fluid channel can usually be a refrigerant, and the fluid medium in the second fluid channel can usually be chilled water. Of course, in other embodiments, the fluid medium in the second fluid channel can also be other fluid media (refrigerants) such as ethylene glycol or ammonia, as long as they can exchange heat with the fluid medium in the first fluid channel. No further limitations are imposed here.

[0031] Furthermore, such as Figure 1 As shown, the battery cooling flow path 13 includes an outlet flow path 131 and an inlet flow path 132. One end of the outlet flow path 131 is connected to the outlet of the second fluid channel, and the other end is connected to the cooling inlet of the energy storage device 200. One end of the inlet flow path 132 is connected to the inlet of the second fluid channel, and the other end is connected to the cooling outlet of the energy storage device 200. Furthermore, the inlet flow path 132 includes an electric heating device 1321, which is used to heat the fluid medium flowing out of the cooling outlet of the energy storage device 200. One end of the dehumidification flow path 14 is connected to the outlet flow path 131, and the other end is connected to the inlet flow path 132, for dehumidifying the gas inside the energy storage device 200.

[0032] Understandably, during the operation of the energy storage device 200, the battery cooling flow path 13 delivers the fluid medium into the energy storage device 200 through the liquid outlet flow path 131. The fluid medium's temperature rises after exchanging heat with the energy storage device 200 generated during charging and discharging. Then, it enters the heat exchanger 11 through the liquid inlet flow path 132 and exchanges heat with the fluid medium in the heat exchange circulation flow path 12, thereby reducing the temperature of the fluid medium in the battery cooling flow path 13. If the ambient temperature is low, the fluid medium in the battery cooling flow path 13 can be heated first using the electric heating device 1321 to raise the battery temperature in the energy storage device 200 before normal operation, reducing the heat generated during charging and discharging. This ensures that the battery in the energy storage device 200 remains within a suitable temperature range, significantly improving the reliability of the energy storage device 200 during operation. Furthermore, since the electric heating device 1321 can be used to raise the temperature in low-temperature environments, the heat exchange circulation flow path 12 does not need to implement a low-temperature heating function, simplifying its operation. Furthermore, this application integrates the dehumidification flow path 14 into the battery cooling flow path 13, which can use the low-temperature fluid medium in the liquid outlet flow path 131 to dehumidify the air in the self-energy storage device 200, thereby avoiding the increase in space occupied by setting up a separate dehumidification device and greatly improving the space utilization rate.

[0033] Furthermore, in one embodiment, there are two electric heating devices 1321, and the two electric heating devices 1321 are connected in parallel. In this way, when one electric heating device 1321 fails, the other electric heating device 1321 can still continue to operate. Although the amount of heat in the battery cooling flow path 13 is reduced and the heating speed is slower, the heating effect can still be guaranteed to a certain extent, raising the battery temperature in the energy storage device 200 to a suitable temperature. After the battery generates heat during charging and discharging, it can be used normally, thereby ensuring the charging and discharging capability of the energy storage device 200.

[0034] In one embodiment, such as Figure 1 As shown, the dehumidification flow path 14 includes a dehumidification coil 141 and a control valve 142. The two ends of the dehumidification coil 141 are connected to the liquid outlet flow path 131 and the liquid inlet flow path 132, respectively. The control valve 142 is located between the dehumidification coil 141 and the liquid outlet flow path 131 and is used to control the on / off state of the dehumidification flow path 14. Compared to traditional compression refrigeration dehumidification methods, coil dehumidification is simpler and more reliable, and can meet the dehumidification requirements of all operating conditions throughout the year. Furthermore, coil dehumidification requires fewer components, which can greatly reduce dehumidification costs.

[0035] Typically, a temperature and humidity sensor is installed inside the energy storage device 200 to detect the temperature and humidity of the air inside the energy storage device 200. When the temperature and humidity reach the condensation value, the dehumidification flow path 14 is opened through the control valve 142 in the integrated liquid cooling system 10 to dehumidify the air inside the energy storage device 200, thereby improving the safety of the energy storage device 200.

[0036] To further improve the reliability of dehumidification, in one embodiment, the integrated liquid cooling system 10 also includes a dehumidifying fan 15 and a sensor 16. The dehumidifying fan 15 blows air to the dehumidifying coil 141, and the sensor 16 monitors the ambient temperature and humidity. Here, the sensor 16 in the integrated liquid cooling system 10 can serve as a backup, ensuring the normal operation of dehumidification in the event of damage to the temperature and humidity sensor within the energy storage device 200, thus improving system redundancy and significantly enhancing overall reliability. The dehumidifying fan 15 blows the hot and humid air from the energy storage device 200 to the dehumidifying coil 141, causing condensation on the surface of the coil 141. The dehumidified dry air is then introduced into the energy storage device 200, preventing damage to the electrical components within the energy storage device 200.

[0037] In one embodiment, such as Figure 1 As shown, the liquid inlet flow path 132 also includes a water pump 1322, which is located between the electric heating device 1321 and the heat exchanger 11 to transport the fluid medium after heat exchange in the energy storage device 200 to the heat exchanger 11, where it exchanges heat with the cold generated in the heat exchange circulation flow path 12.

[0038] Furthermore, in one embodiment, there are two water pumps 1322, and the two water pumps 1322 are connected in parallel. That is, this embodiment uses a dual-pump 1322 circulation system. When one water pump 1322 fails, the other water pump 1322 can continue to operate. In this way, even if the water flow in the battery cooling flow path 13 is reduced, the battery in the energy storage device 200 can still continue to be used by reducing the charging and discharging speed. For example, the original charging and discharging speed of 0.5C when the two water pumps 1322 are running can be reduced to 0.25C charging and discharging speed, thereby maximizing peak and off-peak electricity benefits.

[0039] In one embodiment, the heat exchange circulation path 12 includes a compressor 121, a condenser 122, and an expansion valve 123 arranged in series. The expansion valve 123 is connected to the inlet of the first fluid channel, and the compressor 121 is connected to the outlet of the first fluid channel. In this way, the cooling capacity of the heat exchange circulation path 12 at the heat exchanger 11 is satisfied.

[0040] Furthermore, in one embodiment, there are two heat exchange circulation paths 12, which are connected in parallel. The number of first fluid channels in the heat exchanger 11 is the same as the number of heat exchange circulation paths 12. That is, this embodiment uses a dual-compressor 121 circulation system. When one compressor 121 fails, the other compressor 121 can continue to operate. Thus, even if the cooling capacity in the heat exchange circulation path 12 is reduced, the battery in the energy storage device 200 can still continue to be used by reducing the charging and discharging rate. For example, the charging and discharging rate of the original dual compressor 121 operation can be reduced from 0.5C to 0.25C, thereby maximizing peak-valley electricity gains.

[0041] This application also provides an integrated liquid cooling unit 100, which includes a housing 20 and an integrated liquid cooling system 10 as described in any of the above embodiments. The integrated liquid cooling system 10 is installed inside the housing 20. In this way, all components constituting the integrated liquid cooling system 10 are integrated and installed within a single housing 20, thereby greatly reducing the space occupied by the integrated liquid cooling unit 100. Simultaneously, since the dehumidification function is also integrated inside the housing 20, communication problems between devices implementing cooling and dehumidification functions are reduced, significantly lowering the probability of disconnection.

[0042] In one embodiment, such as Figure 2 and Figure 3 As shown, the housing 20 has a water inlet 201 and a water outlet 202, which are used for the pipes of the battery cooling flow path 13 to pass through, so that the pipes of the battery cooling flow path 13 can be connected to the pipes of the energy storage device 200. Both the water inlet 201 and the water outlet 202 are located on the top of the housing 20. Specifically, the pipe of the liquid outlet flow path 131 in the battery cooling flow path 13 is correspondingly arranged with the water outlet 202, and the pipe of the liquid inlet flow path 132 is correspondingly arranged with the water inlet 201.

[0043] It is understood that this application is for top water supply of the unit, and according to simulation calculation results, the top water supply structure can achieve better control of the battery temperature difference in the energy storage device 200 compared with the bottom water supply structure.

[0044] Furthermore, in one embodiment, there are two water inlets 201, and the two water inlets 201 are spaced apart along the width direction of the housing 20. That is, the unit adopts dual-line water supply, and the water can be connected to the left and right sides of the housing 20 through pipes on the outside of the housing 20. Compared with the conventional single-line water supply scheme that requires splitting the pipes into two lines and then supplying liquid to the left and right sides, it can greatly save the space for pipe arrangement.

[0045] In one embodiment, there are two water outlets 202, and the two water outlets 202 are spaced apart along the width direction of the housing 20. Similarly, this arrangement can further save space for pipe arrangement.

[0046] In one embodiment, such as Figure 2 As shown, the housing 20 also has an air inlet 203 and an air outlet 204. Both the air inlet 203 and the air outlet 204 are used to communicate with the energy storage device 200. The air inlet 203 is located on the lower side of the housing 20, and the air outlet 204 is located on the upper side of the housing 20. The integrated liquid-cooled unit 100 draws humid and hot air from the energy storage device 200 through the air inlet 203. After dehumidification by the internal dehumidification coil 141, the air is discharged back into the energy storage device 200 through the air outlet 204. Since humid and hot air has a low density and tends to rise, placing the air inlet 203 at the lower part of the housing 20 and the air outlet 204 at the upper part of the housing 20 further improves the dehumidification effect of the humid and hot air and ensures the reliability of dehumidification.

[0047] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0048] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. An integrated liquid cooling system, characterized in that, It includes a heat exchanger (11), a heat exchange circulation path (12), a battery cooling path (13), and a dehumidification path (14). The heat exchanger (11) is provided with a first fluid channel and a second fluid channel. The first fluid channel is connected in series with the heat exchange circulation path (12), and the second fluid channel is connected in series with the battery cooling path (13). The fluid medium in the first fluid channel and the fluid medium in the second fluid channel can exchange heat in the heat exchanger (11). The battery cooling flow path (13) includes an outlet flow path (131) and an inlet flow path (132). One end of the outlet flow path (131) is connected to the outlet of the second fluid channel, and the other end is used to connect to the cooling inlet of the energy storage device (200). One end of the inlet flow path (132) is connected to the inlet of the second fluid channel, and the other end is used to connect to the cooling outlet of the energy storage device (200). The inlet flow path (132) includes an electric heating device (1321), which is used to heat the fluid medium flowing out of the cooling outlet of the energy storage device (200). One end of the dehumidification flow path (14) is connected to the liquid outlet flow path (131), and the other end is connected to the liquid inlet flow path (132), which is used to dehumidify the gas in the energy storage device (200).

2. The integrated liquid cooling system according to claim 1, characterized in that, The dehumidification flow path (14) includes a dehumidification coil (141) and a control valve (142). The two ends of the dehumidification coil (141) are respectively connected to the liquid outlet flow path (131) and the liquid inlet flow path (132). The control valve (142) is located between the dehumidification coil (141) and the liquid outlet flow path (131) and is used to control the opening and closing of the dehumidification flow path (14).

3. The integrated liquid cooling system according to claim 2, characterized in that, The integrated liquid cooling system also includes a dehumidifying fan (15) and a sensor (16). The dehumidifying fan (15) is used to blow gas to the dehumidifying coil (141), and the sensor (16) is used to monitor the ambient temperature and humidity.

4. The integrated liquid cooling system according to any one of claims 1-3, characterized in that, The liquid inlet flow path (132) also includes a water pump (1322), which is located between the electric heating device (1321) and the heat exchanger (11).

5. The integrated liquid cooling system according to claim 4, characterized in that, The number of water pumps (1322) is two, and the two water pumps (1322) are connected in parallel; And / or, the number of the electric heating devices (1321) is two, and the two electric heating devices (1321) are arranged in parallel.

6. The integrated liquid cooling system according to any one of claims 1-3 or claim 5, characterized in that, The heat exchange circulation path (12) includes a compressor (121), a condenser (122), and an expansion valve (123) arranged in series. The expansion valve (123) is connected to the inlet of the first fluid channel, and the compressor (121) is connected to the outlet of the first fluid channel.

7. The integrated liquid cooling system according to claim 6, characterized in that, The number of heat exchange circulation paths (12) is two, and the two heat exchange circulation paths (12) are arranged in parallel.

8. An integrated liquid-cooled chiller unit, characterized in that, The device includes a housing (20) and an integrated liquid cooling system as described in claims 1-7, wherein the integrated liquid cooling system is installed inside the housing (20); the housing (20) has a water inlet (201) and a water outlet (202), wherein the water inlet (201) and the water outlet (202) are used for the pipes of the battery cooling flow path (13) to pass through, so that the pipes of the battery cooling flow path (13) are connected to the pipes of the energy storage device (200); The water inlet (201) and the water outlet (202) are both located on the top of the housing (20).

9. The integrated liquid-cooled unit according to claim 8, characterized in that, The number of water inlets (201) is two, and the two water inlets (201) are spaced apart along the width direction of the box (20); And / or, the number of water outlets (202) is two, and the two water outlets (202) are spaced apart along the width direction of the housing (20).

10. The integrated liquid-cooled unit according to claim 8, characterized in that, The housing (20) is also provided with an air inlet (203) and an air outlet (204). The air inlet (203) and the air outlet (204) are both used to communicate with the energy storage device (200). The air inlet (203) is located on the lower side of the housing (20), and the air outlet (204) is located on the upper side of the housing (20).

Images