CN219534638U - Liquid cooling unit for energy storage system and energy storage system - Google Patents

Abstract

The utility model provides a liquid cooling unit for an energy storage system and the energy storage system. Liquid cooling unit for energy storage system includes: a housing having a first chamber and a second chamber arranged separately and independently; the fan assembly is positioned in the first cavity; the liquid cooling assembly is positioned in the second cavity, the shell is provided with an air inlet, an air outlet and a water outlet which are communicated with the first cavity, the water outlet is arranged on the bottom wall of the shell, and the shell is also provided with a diversion channel which is communicated with the second cavity, so that rainwater in the first cavity and liquid leakage of the liquid cooling assembly in the second cavity can be independently discharged through the water outlet and the diversion channel respectively. The liquid cooling unit for the energy storage system can avoid the problem of environmental pollution after the cooling liquid and the rainwater are mixed and discharged.

Description

Liquid cooling unit for energy storage system and energy storage system

Technical Field

The utility model relates to the technical field of liquid cooling and heat dissipation, in particular to a liquid cooling unit for an energy storage system and the energy storage system.

Background

With the rise of the lithium ion battery industry in recent years, the energy storage technology of the lithium battery is like the bamboo shoots after raining, and the industry estimation is continuously rising. As a key to ensuring safe and stable operation of a lithium battery system, a heat management system is being focused by more and more practitioners, and the heat management technology is also iteratively upgraded from an early air cooling scheme to a liquid cooling system with higher heat dissipation efficiency and better temperature equalization effect. The liquid cooling unit is internally provided with a refrigerating loop, a cooling liquid loop and a fan, the refrigerating loop cools the cooling liquid loop through a plate heat exchanger, the fan is used for radiating heat of a condenser on the refrigerating loop, and the liquid cooling unit is a core component of the whole liquid cooling system. Energy storage systems are sometimes used in harsh environments in the field, for example: the severe environmental factors can bring great challenges to the reliable operation of the fans of the liquid cooling unit in environments such as sand, rainwater, high temperature and the like.

The inventor knows that a liquid cooling unit is difficult to realize rainwater and coolant liquid separate drainage, and after rainwater enters the liquid cooling unit from an air inlet and/or an air outlet, the rainwater is often discharged to the environment together with the coolant liquid leaked by a coolant liquid loop in a system maintenance process or a fault process after being mixed, and the common glycol-based coolant liquid has pollution properties such as micro toxicity, so that the mixed drainage of the rainwater and the coolant liquid easily causes the problem of environmental pollution.

Disclosure of Invention

The utility model mainly aims to provide a liquid cooling unit for an energy storage system and the energy storage system, and the liquid cooling unit for the energy storage system can avoid the problem of environmental pollution after mixed discharge of cooling liquid and rainwater.

In order to achieve the above object, the present utility model provides a liquid cooling unit for an energy storage system, comprising: a housing having a first chamber and a second chamber arranged separately and independently; the fan assembly is positioned in the first cavity; the liquid cooling assembly is positioned in the second cavity, the shell is provided with an air inlet, an air outlet and a water outlet which are communicated with the first cavity, the water outlet is arranged on the bottom wall of the shell, and the shell is also provided with a diversion channel which is communicated with the second cavity, so that rainwater in the first cavity and liquid leakage of the liquid cooling assembly in the second cavity can be independently discharged through the water outlet and the diversion channel respectively.

Further, the fan assembly is a modular fan assembly, the fan assembly includes a support structure and at least one fan disposed on the support structure, the fan is configured to cause an air flow to enter from the air inlet and to exit from the air outlet, and the support structure separates an interior of the housing into a first chamber and a second chamber.

Further, the air outlet is arranged on the top wall of the shell, the supporting structure is a cylindrical structure with one end closed and the other end provided with an opening, the opening faces the air outlet, a plurality of diversion holes are formed in the closed end of the supporting structure, and the water outlet and the diversion holes are correspondingly arranged.

Further, the diversion channel is a through hole arranged on the shell; or the diversion channel is formed by the interior of the diversion pipe penetrating through the shell.

Further, a mounting through groove communicated with the first cavity is formed in the shell; the fan assembly is arranged in a drawable manner relative to the shell, and has a mounting position in the first cavity and a removing position removed from the first cavity through the mounting through groove under the action of external force.

Further, the liquid cooling unit for the energy storage system further comprises a guide rail arranged in the first cavity, a chute is arranged on the fan assembly, and the guide rail is in sliding fit with the chute; or, the liquid cooling unit for the energy storage system further comprises a handle, and the handle is located at one side, away from the first chamber, of the liquid cooling unit for the energy storage system.

Further, the fan assembly further comprises an air duct arranged on the supporting structure, the air duct is close to the air inlet, the first end of the air duct is communicated with the inlet of the fan, and the second end of the air duct is communicated with the air inlet.

Further, from the second end of the air duct to the first end of the air duct, the inner diameter of the air duct gradually decreases.

Further, the fan assembly further comprises a mounting piece, the fan is connected with the supporting structure through the mounting piece, and the mounting piece is provided with a liquid guide through groove penetrating through the mounting piece along the vertical direction; or, the one end of bearing structure is equipped with the hasp structure, and the hasp structure includes the spring bolt, and the spring bolt has the first state with the inner wall cooperation of casing with fan subassembly locking in mounted position to and the second state that makes fan subassembly detachable with the inner wall of casing release the cooperation.

Further, the liquid cooling unit for the energy storage system further comprises two self-sealing quick connectors arranged on the shell; the liquid cooling assembly comprises a cooling pipeline, a power pump, an expansion water tank, a heat exchanger and a heater which are arranged on the cooling pipeline, and two self-sealing quick connectors are respectively communicated with a liquid inlet of the cooling pipeline and a liquid outlet of the cooling pipeline.

Further, the liquid cooling unit for the energy storage system further comprises a refrigeration assembly, the refrigeration assembly comprises a refrigeration loop, a compressor, a condenser and an expansion valve, the compressor, the condenser and the expansion valve are sequentially arranged on the refrigeration loop, and the heat exchanger is arranged on the refrigeration loop to realize heat exchange between the cooling pipeline and the refrigeration loop; the condenser is located first cavity, and the import of air intake and fan all communicates with first cavity to dispel the heat to the condenser.

According to another aspect of the present utility model, there is provided an energy storage system including a battery device and the above-mentioned liquid cooling unit for an energy storage system connected to the battery device.

By adopting the technical scheme of the utility model, the fan assembly is arranged in the first cavity, the liquid cooling assembly is arranged in the second cavity, and the first cavity and the second cavity are separated and independently arranged, so that rainwater entering through the air inlet and/or the air outlet can be discharged through the water outlet on the bottom wall of the first cavity, and cooling liquid leaked by the liquid cooling assembly in the system maintenance or fault process can be discharged through the flow guide channel communicated with the second cavity, thereby being capable of independently collecting the leaked cooling liquid and avoiding environmental pollution after the cooling liquid and the rainwater are mixed and discharged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic diagram of a liquid cooling unit for an energy storage system according to an embodiment of the present utility model;

FIG. 2 illustrates a right side view of the liquid cooling unit for the energy storage system of FIG. 1;

FIG. 3 illustrates a schematic view of a modular fan assembly of the liquid cooling unit for the energy storage system of FIG. 1 in an installed position;

FIG. 4 illustrates a schematic view of a modular fan assembly of the liquid cooling unit for the energy storage system of FIG. 1 in a removed position;

FIG. 5 illustrates a top view of the modular fan assembly of FIG. 4;

FIG. 6 illustrates a top view of the liquid cooling unit for the energy storage system of FIG. 4 (wherein the modular fan assembly is not shown);

FIG. 7 illustrates a top view of the liquid cooling unit for the energy storage system of FIG. 3; and

fig. 8 shows a schematic diagram of a fluid quick connector of the liquid cooling unit for the energy storage system of fig. 1.

Wherein the above figures include the following reference numerals:

10. a housing; 111. a first chamber; 112. a second chamber; 12. an air inlet; 13. an air outlet; 14. installing a through groove; 15. a diversion channel; 16. self-sealing type quick connector; 21. a support structure; 22. a blower; 23. a guide rail; 24. a handle; 25. a latch structure; 26. an air duct; 27. a deflector aperture; 28. a water outlet; 30. a mounting member; 31. fixing metal plates; 32. a fluid supplementing pipeline; 33. an electrical interface; 34. a pull ring; 35. a female head; 36. a liquid guide through groove; 51. a power pump; 52. an expansion tank; 53. a heat exchanger; 54. a heater; 55. a compressor; 56. and a condenser.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 4, embodiments of the present utility model provide a liquid cooling unit for an energy storage system. The liquid cooling unit for the energy storage system comprises a shell 10, a fan assembly and a liquid cooling assembly. Wherein the housing 10 has a first chamber 111 and a second chamber 112 which are separately provided and independently arranged; the fan assembly is located in the first chamber 111; the liquid cooling component is located in the second chamber 112, the shell 10 is provided with an air inlet 12, an air outlet 13 and a water outlet 28 which are communicated with the first chamber 111, the water outlet 28 is arranged on the bottom wall of the shell 10, and the shell 10 is also provided with a diversion channel 15 which is communicated with the second chamber 112, so that rainwater in the first chamber 111 and liquid leakage of the liquid cooling component in the second chamber 112 can be independently discharged through the water outlet 28 and the diversion channel 15 respectively.

In the above technical solution, the fan assembly is installed in the first chamber 111, the liquid cooling assembly is installed in the second chamber 112, and the first chamber 111 and the second chamber 112 are separated and independently arranged, so that rainwater entering through the air inlet 12 and/or the air outlet 13 can be discharged through the water outlet 28 on the bottom wall of the first chamber 111, and cooling liquid leaked by the liquid cooling assembly in the system maintenance or failure process can be discharged through the diversion channel 15 communicated with the second chamber 112, so that leaked cooling liquid can be collected independently, and environmental pollution caused by mixed discharge of the cooling liquid and the rainwater is avoided.

It should be noted that, in the embodiment of the present utility model, the liquid cooling assembly is in communication with the battery system pipeline.

As shown in fig. 3 to 6, in the embodiment of the present utility model, the blower assembly is a modular blower assembly, the modular blower assembly includes a support structure 21 and at least one blower 22 disposed on the support structure 21, the blower 22 is configured to enable air flow to enter from the air inlet 12 and to exit from the air outlet 13, and the support structure 21 divides the interior of the housing 10 into a first chamber 111 and a second chamber 112.

Through the above arrangement, the inside of the housing 10 can be divided into the first chamber 111 and the second chamber 112 by using the partial support structure 21 without additional partition plates, thereby realizing separate drainage of rainwater and cooling liquid, and the cooling liquid is separately collected by using a collection container such as a liquid storage tank, so as to avoid environmental pollution.

As shown in fig. 3 to 5, in the embodiment of the present utility model, the air outlet 13 is disposed on the top wall of the housing 10, the supporting structure 21 is a cylindrical structure with one end closed and the other end having an opening, the opening is disposed towards the air outlet 13, a plurality of diversion holes 27 are disposed on the closed end of the supporting structure 21, and the water outlet 28 is disposed corresponding to the plurality of diversion holes 27.

Through the arrangement, rainwater entering through the air outlet 13 can enter the cylindrical structure through the opening, then is discharged into the environment through the plurality of diversion holes 27 and the water outlet 28 in sequence, and cooling liquid leaked by the liquid cooling assembly due to maintenance or faults can be discharged through the diversion channel 15 communicated with the second cavity 112, so that rainwater and cooling liquid sub-cabin discharge is realized, and the problem of environmental pollution caused by mixed discharge of cooling liquid and rainwater is avoided.

Specifically, as shown in fig. 6, in the embodiment of the present utility model, the drain port 28 is formed by a plurality of through holes provided in the housing 10.

Further, by setting the supporting structure 21 to be a cylindrical structure, rainwater and cooling liquid can be separated, so that on one hand, the environmental protection of the energy storage system is improved, and on the other hand, the main parts of the liquid cooling unit are prevented from aging due to long-term direct rain, so that the service life of the parts can be prolonged, and the maintenance cost is also reduced.

Preferably, in the embodiment of the present utility model, the fan 22 is a centrifugal fan, and since the centrifugal fan is generally axial air inlet and circumferential air outlet, the air inlet 12 is disposed on the circumferential side wall of the casing 10, so that the air inlet efficiency can be improved.

Preferably, as shown in fig. 1, in the embodiment of the present utility model, the diversion channel 15 is formed by the interior of the diversion pipe penetrating the casing 10. In this way, the coolant leakage in the second chamber 112 may be caused to flow outwardly along the draft tube so as to be collected separately.

In one embodiment, the diversion channel 15 may be a through hole provided on the first housing 10.

As shown in fig. 1 to 4, in the embodiment of the present utility model, a mounting through groove 14 communicating with the first chamber 111 is provided on the housing 10; the modular fan assembly is disposed retractably relative to the housing 10 and has a mounted position within the first chamber 111 and a removed position removed from the first chamber 111 via the mounting channel 14 under the influence of an external force.

In the above technical solution, the modular fan assembly is drawably disposed relative to the housing 10, so that when the fan 22 needs maintenance, the modular fan assembly can be removed from the first chamber 111 through the mounting through slot 14, thereby realizing rapid mounting and dismounting to maintain the fan 22, thus greatly improving the maintenance efficiency of the fan and reducing the maintenance cost of the fan; and after maintenance of the blower 22 is completed, the modular blower assembly may be pushed into the first chamber 111 via the mounting channel 14.

Preferably, in an embodiment of the present utility model, the modular blower assembly includes a plurality of blowers 22, each of the plurality of blowers 22 being disposed on the support structure 21 such that any one of the blowers 22 may be moved out of the first chamber 111 via the mounting channel 14 for maintenance, thereby improving blower maintenance efficiency.

It should be noted that, in the embodiment of the present utility model, after the supporting structure 21 and the blower are assembled into a modular structure, the blower is pushed into the first chamber 111 through the mounting through slot 14, so that the mounting is facilitated.

As shown in fig. 6, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a guide rail 23 disposed in the first chamber 111, and a sliding groove is disposed on the support structure 21 of the modular fan assembly, where the guide rail 23 is slidingly matched with the sliding groove.

Through the arrangement, on one hand, the modularized fan assembly can be moved out of the first chamber 111 more smoothly, so that maintenance efficiency is improved; on the other hand, when the modularized fan assembly is required to be switched from the moving-out position to the mounting position after the fan maintenance is finished, the modularized fan assembly is conveniently positioned by arranging the guide rail so as to be conveniently mounted.

In one embodiment, a chute may be provided in the bottom wall of the first chamber 111 and a rail 23 may be provided on the support structure 21.

As shown in fig. 4, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a handle 24, where the handle 24 is located on a side of the support structure 21 facing away from the first chamber 111. Thus, technicians can conveniently pull the modularized fan assembly, and the maintenance efficiency of the fan is improved.

As shown in fig. 4, 5 and 7, in the embodiment of the present utility model, the modular fan assembly further includes a wind guide 26 disposed on the support structure 21, the wind guide 26 being disposed adjacent the air intake 12, a first end of the wind guide 26 being in communication with the inlet of the fan 22, and a second end of the wind guide 26 being in communication with the air intake 12.

In the above technical solution, the air duct 26 may perform a guiding function to guide the air flow entering from the air inlet 12 into the fan 22, so as to cool the interior of the housing 10; further, the air duct 26 is arranged on the supporting structure 21, so that modularization of the fan assembly can be achieved, and the fan 22 and the air duct 26 can be moved out of the first chamber 111 through pulling the supporting structure 21, so that maintenance of the modularized fan assembly is facilitated.

In the embodiment of the present utility model, as shown in fig. 4, the inner diameter of the air duct 26 gradually decreases from the second end of the air duct 26 to the first end of the air duct 26. In this way, the air flow at the second end of the air duct 26 can be collected in the fan 22, and the inner diameter of the air duct 26 is tapered, so that the air flow speed can be increased, and the parts in the shell 10 can be cooled better.

Preferably, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a water receiving disc disposed on the housing 10, where the water receiving disc corresponds to an outlet of the diversion channel 15, so that the cooling liquid in the second chamber 112 can flow into the water receiving disc through the diversion channel 15 to collect the cooling liquid, and avoid direct discharge to the environment.

In one embodiment, the bottom of the container of the energy storage system is provided with a cooling liquid collecting container, and a hose is respectively communicated with the diversion channel 15 and the cooling liquid collecting container, so that the cooling liquid in the second cavity is diverted into the cooling liquid collecting container, and the direct discharge to the environment is avoided, the environmental protection performance of the energy storage system is improved, and the energy storage system meets the environmental protection requirement more.

According to the liquid cooling unit known by the inventor, the joint structure used by the water inlet and the water outlet has no self-sealing function, so that the water inlet and the water outlet are inconvenient to open and close, and when the liquid cooling unit needs to be disconnected with a battery system pipeline, the cooling liquid in the liquid cooling unit needs to be drained in advance, and the process is time-consuming and labor-consuming, and can increase the labor cost.

Thus, as shown in fig. 3 and 8, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes two self-sealing quick connectors 16 disposed on the housing 10; the liquid cooling assembly comprises a cooling pipeline, a power pump 51, an expansion water tank 52, a heat exchanger 53 and a heater 54 which are arranged on the cooling pipeline, and two self-sealing quick connectors 16 are respectively communicated with a liquid inlet of the cooling pipeline and a liquid outlet of the cooling pipeline.

Through the arrangement, the total water inlet and outlet (namely the liquid inlet of the cooling pipeline and the liquid outlet of the cooling pipeline) of the liquid cooling unit for the energy storage system can be quickly plugged and unplugged, and meanwhile, the leakage of cooling liquid is avoided, so that the liquid injection and drainage process before the assembly and disassembly of the liquid cooling unit in the current stage can be avoided, and the maintenance cost is reduced.

It should be noted that, in the embodiment of the present utility model, the self-sealing quick connector is an existing structure capable of realizing self-sealing and quick assembly and disassembly, and will not be described herein.

It should be noted that, the male end of the self-sealing quick connector 16 is mounted on the housing 10, and the female end 35 of the self-sealing quick connector is connected with the main water inlet and outlet of the pipe line of the battery device. Thus, the self-sealing type quick connector 16 can prevent the leakage of the cooling liquid while realizing the quick assembly and disassembly of the pipeline systems of the liquid cooling unit and the battery device, so that the assembly, disassembly and maintenance process of the liquid cooling unit is prevented from undergoing a liquid injection and drainage process which is time-consuming and labor-consuming.

All parts of the liquid cooling assembly are of an existing structure, and are not repeated here.

As shown in fig. 4 and 7, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a refrigeration assembly, the refrigeration assembly includes a refrigeration circuit, and a compressor 55, a condenser 56 and an expansion valve sequentially disposed on the refrigeration circuit, the heat exchanger 53 is disposed on the refrigeration circuit to implement heat exchange between the refrigeration circuit and the refrigeration circuit, the condenser 56 is located in the first chamber 111, and inlets of the air inlet 12 and the fan 22 are both communicated with the first chamber 111 to dissipate heat from the condenser 56.

Through the arrangement, the ventilation in the first chamber 111 can be ensured, and the air outside the shell 10 enters the first chamber 111 through the air inlet 12 and takes away the heat on the condenser 56, so that the heat of the condenser 56 can be dissipated.

Preferably, in the embodiment of the present utility model, the condenser 56 is located between the inlet of the air duct 26 and the air inlet 12, so that the air outside the housing 10 can enter the first chamber 111 and cool the condenser 56 in the first chamber 111.

Preferably, in an embodiment of the present utility model, only the condenser 56 is arranged within the first chamber 111.

The refrigeration principle of the above refrigeration assembly is the prior art, and will not be described herein.

In the embodiment of the utility model shown in fig. 5, the modular fan assembly further comprises a mounting member 30, the fan 22 is connected with the supporting structure 21 through the mounting member 30, and the mounting member 30 is provided with a liquid guiding through groove 36 penetrating through the mounting member 30 in the vertical direction.

By the arrangement, the mounting member 30 can mount the fan 22 on the supporting structure 21, and by the arrangement of the liquid guide through groove 36, rainwater entering from the air outlet 13 can be prevented from being accumulated on the mounting member 30, so that the rainwater can be smoothly discharged.

Preferably, in the embodiment of the present utility model, the mounting member 30 is formed by bending a sheet metal member, and as shown in fig. 5, the sheet metal member is bent into a cylindrical structure having an inner through hole, and the inner through hole forms the liquid guiding through groove 36.

As shown in fig. 4, in the embodiment of the present utility model, one end of the supporting structure 21 corresponding to the mounting through slot 14 is provided with a locking structure 25, and the locking structure 25 includes a locking tongue, which has a first state of locking the modular fan assembly in the mounting position by being matched with the inner wall of the housing 10, and a second state of releasing the modular fan assembly by being matched with the inner wall of the housing 10.

By the arrangement, when the modularized fan assembly is installed, the locking structure 25 can be locked on the shell 10 only by inserting the modularized fan assembly into the installation through groove 14 and pushing the locking tongue to the position where the locking tongue is matched with the inner wall of the shell 10, so that the modularized fan assembly is kept at the installation position; when the modularized fan assembly is disassembled, the lock tongue can be pushed to the loosening position, and then the modularized fan assembly is pulled out by pulling the handle 24, so that the modularized fan assembly can be disassembled, the modularized fan assembly is convenient to disassemble and assemble, and the maintenance efficiency is improved.

It should be noted that, in the embodiment of the present utility model, the latch structure further includes a main body and an elastic member, the latch is connected with the main body through the elastic member, and the elastic member can be compressed in the process of pushing the modularized fan assembly into the first chamber 111 through the mounting through slot 14, so as to avoid interference between the latch and the housing; while the modular fan assembly is in the installed position, the locking tongue springs out to cooperate with the housing 10 to retain the modular fan assembly in the installed position. The latch structure 25 is of a prior art and will not be described in detail herein.

As shown in fig. 2, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a fixing metal plate 31 connected to the housing 10, so as to fix the liquid cooling unit for an energy storage system.

As shown in fig. 2, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a liquid supplementing pipe 32 disposed on the housing 10, and the liquid supplementing pipe 32 is used for supplementing the cooling pipe of the liquid cooling assembly with liquid.

As shown in fig. 2, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes an electrical interface 33 provided on the housing 10, and the electrical interface 33 is used to enable the fan 22 to be electrically connected to an external power source.

As shown in fig. 2, in the embodiment of the present utility model, the liquid cooling unit for an energy storage system further includes a pull ring 34 disposed on the housing 10, so as to facilitate the movement of the liquid cooling unit for an energy storage system by a technician.

Embodiments of the present utility model provide an energy storage system. The energy storage system comprises a battery device and the liquid cooling unit for the energy storage system, wherein the liquid cooling unit is connected with the battery device.

Specifically, the water inlet and the water outlet of the pipeline of the battery device are respectively communicated with two self-sealing quick connectors 16 of the liquid cooling unit.

The energy storage system has all advantages of the liquid cooling unit for the energy storage system, and the details are not repeated here.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: through making fan subassembly install in first cavity, the liquid cooling subassembly is installed in the second cavity, and first cavity and second cavity separate and the independent arrangement, like this, the rainwater that gets into through air intake and/or air outlet can be discharged through the outlet on the diapire with first cavity, and the liquid cooling subassembly is at the system maintenance or the cooling liquid that the trouble process was revealed can be discharged through the water conservancy diversion passageway with second cavity intercommunication to can collect the cooling liquid that leaks alone, avoid cooling liquid and rainwater to mix the polluted environment after discharging.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (12)

1. A liquid cooling unit for an energy storage system, comprising:

a housing (10) having a first chamber (111) and a second chamber (112) which are separately provided and independently arranged;

-a fan assembly located in the first chamber (111);

the liquid cooling assembly is located the second cavity (112), be equipped with on casing (10) with air intake (12), air outlet (13) and outlet (28) of first cavity (111) intercommunication, outlet (28) set up in the diapire of casing (10), still be equipped with on casing (10) with water conservancy diversion passageway (15) of second cavity (112) intercommunication, so that rainwater in first cavity (111) and the weeping of the liquid cooling assembly in second cavity (112) can be respectively through outlet (28) with water conservancy diversion passageway (15) independent emission.

2. The liquid cooling unit for an energy storage system according to claim 1, characterized in that the fan assembly is a modular fan assembly comprising a support structure (21) and at least one fan (22) arranged on the support structure (21), the fan (22) being configured to let an air flow in from the air inlet (12) and out from the air outlet (13), the support structure (21) dividing the interior of the housing (10) into the first chamber (111) and the second chamber (112).

3. The liquid cooling unit for an energy storage system according to claim 2, wherein the air outlet (13) is disposed on a top wall of the housing (10), the support structure (21) is a cylindrical structure with one end closed and the other end having an opening, the opening is disposed towards the air outlet (13), a plurality of diversion holes (27) are disposed on a closed end of the support structure (21), and the water outlet (28) is disposed corresponding to the plurality of diversion holes (27).

4. The liquid cooling unit for an energy storage system according to claim 1, wherein the diversion channel (15) is a through hole provided on the housing (10); or, the diversion channel (15) is formed by the interior of a diversion pipe penetrating through the shell (10).

5. The liquid cooling unit for an energy storage system according to any one of claims 1 to 4, wherein a mounting through groove (14) communicating with the first chamber (111) is provided on the housing (10);

the fan assembly is arranged in a drawable manner relative to the housing (10), and has a mounting position in the first chamber (111) and a removal position removed from the first chamber (111) through the mounting through groove (14) under the action of external force.

6. The liquid cooling unit for an energy storage system according to claim 5, further comprising a guide rail (23) disposed in the first chamber (111), wherein a chute is disposed on the fan assembly, and the guide rail (23) is slidingly engaged with the chute; or alternatively, the process may be performed,

the liquid cooling unit for the energy storage system further comprises a handle (24), and the handle (24) is located on one side, away from the first chamber (111), of the liquid cooling unit for the energy storage system.

7. A liquid cooling unit for an energy storage system according to claim 2 or 3, wherein the fan assembly further comprises an air duct (26) arranged on the support structure (21), the air duct (26) being arranged close to the air inlet (12), a first end of the air duct (26) being in communication with the inlet of the fan (22), a second end of the air duct (26) being in communication with the air inlet (12).

8. The liquid cooling unit for an energy storage system according to claim 7, wherein an inner diameter of the air duct (26) gradually decreases from a second end of the air duct (26) to a first end of the air duct (26).

9. A liquid cooling unit for an energy storage system according to claim 2 or 3, wherein the fan assembly further comprises a mounting member (30), the fan (22) is connected with the supporting structure (21) through the mounting member (30), and a liquid guiding through groove (36) penetrating through the mounting member (30) along the vertical direction is arranged on the mounting member (30); or alternatively, the process may be performed,

one end of the supporting structure (21) is provided with a locking structure (25), the locking structure (25) comprises a lock tongue, and the lock tongue is provided with a first state for locking the fan assembly at the installation position by being matched with the inner wall of the shell (10) and a second state for enabling the fan assembly to be detached by being disengaged from the inner wall of the shell (10).

10. The liquid cooling unit for an energy storage system according to any one of claims 1 to 4, characterized in that it further comprises two self-sealing quick connectors (16) provided on the housing (10);

the liquid cooling assembly comprises a cooling pipeline, a power pump (51), an expansion water tank (52), a heat exchanger (53) and a heater (54) which are arranged on the cooling pipeline, and the two self-sealing quick connectors (16) are respectively communicated with a liquid inlet of the cooling pipeline and a liquid outlet of the cooling pipeline.

11. The liquid cooling unit for an energy storage system according to claim 10, further comprising a refrigeration assembly including a refrigeration circuit and a compressor (55), a condenser (56) and an expansion valve sequentially disposed on the refrigeration circuit, the heat exchanger (53) being disposed on the refrigeration circuit to effect heat exchange between the cooling circuit and the refrigeration circuit; the condenser (56) is located in the first chamber (111), and the inlets of the air inlet (12) and the fan (22) are both communicated with the first chamber (111) so as to radiate heat of the condenser (56).

12. An energy storage system comprising a battery device and the liquid cooling unit for an energy storage system according to any one of claims 1 to 11 connected to the battery device.