Energy storage cabinet

Abstract

The present application provides an energy storage cabinet. The energy storage cabinet of the present application comprises a cabinet body, comprising a mounting space having an opening at one end, and comprising a bottom and a top that are arranged in a first direction; a cabinet door, configured to close the mounting space; a plurality of energy storage assemblies, assembled within the mounting space in the first direction, each energy storage assembly comprising a liquid cooling plate and an energy storage module, the liquid cooling plate comprising a plate body having a flow channel, a liquid inlet, and a liquid outlet, the liquid inlet and the liquid outlet being both arranged toward the top, and the energy storage module being arranged on the side of the plate body facing the top; and a liquid cooling system, comprising a plurality of liquid cooling tube assemblies located within the mounting space, and the liquid cooling tube assemblies being in one-to-one correspondence with the liquid cooling plates. Each liquid cooling tube assembly comprises a first tube, a second tube, a first connector, and a second connector; one end of the first tube is connected to the first connector, and the end of the first connector facing away from the first tube is sleeved and connected to the liquid inlet; and one end of the second tube is connected to the second connector, and the end of the second connector facing away from the second tube is sleeved and connected to the liquid outlet.

Description

Energy storage cabinet

[0001] This application claims priority to Chinese Patent Application No. 2024107896305, filed on June 19, 2024, entitled “Energy Storage Cabinet”, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of energy storage, specifically to an energy storage cabinet. Background Technology

[0003] The energy storage modules inside the energy storage cabinet need to be cooled by a liquid cooling system. In order to achieve the liquid-electricity separation design, the inlet and outlet of the three-stage pipeline are far apart. One side of the three-stage pipeline has a large suspended distance and is prone to sagging. During transportation, it is easy to shake and constantly pull on the joints, causing the O-rings to fail. Summary of the Invention

[0004] This application provides an energy storage cabinet whose liquid cooling pipe assembly is easier to assemble and whose connection between the liquid cooling pipe assembly and the energy storage assembly has better stability.

[0005] This application provides an energy storage cabinet, which includes:

[0006] The cabinet has an installation space with an opening at one end. The cabinet includes a bottom and a top, the bottom and the top being located on opposite sides of the installation space and arranged along a first direction.

[0007] Cabinet door, the cabinet door being used to enclose the installation space;

[0008] Multiple energy storage components are assembled in the installation space along a first direction. Each energy storage component includes a liquid-cooled plate and an energy storage module. The liquid-cooled plate includes a plate body with a flow channel, an inlet, and an outlet. The inlet and outlet are spaced apart along a second direction on the side of the plate body facing the cabinet door and respectively connect to opposite ends of the flow channel of the plate body. Both the inlet and outlet face the top. The energy storage module is disposed on the side of the plate body facing the top. The first direction is perpendicular to the second direction.

[0009] A liquid cooling system includes multiple liquid cooling pipe assemblies located within the installation space. Each liquid cooling pipe assembly corresponds to a liquid cooling plate. Each liquid cooling pipe assembly includes a first pipe, a second pipe, a first connector, and a second connector. One end of the first pipe is connected to the first connector, and the other end is used for liquid inlet. The end of the first connector facing away from the first pipe is connected to the liquid inlet. One end of the second pipe is connected to the second connector, and the other end is used for liquid outlet. The end of the second connector facing away from the second pipe is connected to the liquid outlet. The ends of the first pipe and the second pipe facing away from the second connector are located on the same side of the energy storage component connected to the liquid cooling pipe assembly.

[0010] In the embodiments of this application, both the liquid inlet and the liquid outlet of the energy storage component are positioned facing upwards. During the installation of the liquid cooling pipe assembly, the first connector is fitted onto the liquid inlet from top to bottom, and the second connector is fitted onto the liquid outlet from top to bottom. During assembly, the operator can open the cabinet door and stand in front of the energy storage cabinet to operate. The process of inserting the first connector downwards into the liquid inlet and the second connector downwards into the liquid outlet is always visible within the operator's line of sight, facilitating alignment and reducing the assembly difficulty of the energy storage cabinet. In addition, the first connector is fitted onto the liquid inlet of the energy storage component under its own weight, and the second connector is fitted onto the liquid outlet of the energy storage component under its own weight. This ensures that slight vibrations during transportation of the energy storage cabinet will not cause the first and second connectors to come off, resulting in leakage, thus improving the safety of the energy storage cabinet. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments 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.

[0012] Figure 1 is a structural schematic diagram of an energy storage cabinet according to an embodiment of this application.

[0013] Figure 2 is a partial exploded structural diagram of an energy storage cabinet according to an embodiment of this application.

[0014] Figure 3 is a structural schematic diagram of an energy storage cabinet according to an embodiment of this application, omitting the cabinet body and cabinet door.

[0015] Figure 4 is an exploded structural diagram of an energy storage cabinet according to an embodiment of this application, omitting the cabinet body and cabinet door.

[0016] Figure 5 is a schematic diagram of the structure of a liquid cooling plate according to an embodiment of this application.

[0017] Figure 6 is a schematic diagram of the structure of a liquid cooling system according to an embodiment of this application.

[0018] Figure 7 is a partial exploded structural diagram of an energy storage component according to an embodiment of this application.

[0019] Figure 8 is an enlarged view of the dashed box I in Figure 7.

[0020] Figure 9 is a schematic diagram of the structure of a first connector or a second connector according to an embodiment of this application.

[0021] Figure 10 is a plan view of a first connector or a second connector according to an embodiment of this application.

[0022] Figure 11 is a cross-sectional view of the first or second connector according to an embodiment of this application along the AA direction in Figure 10.

[0023] Figure 12 is an enlarged view of the dashed box II in Figure 3.

[0024] Figure 13 is an enlarged view of the dashed box III in Figure 3.

[0025] Figure 14 is a cross-sectional schematic diagram showing the mating of the first connector, the first sealing ring, and the liquid inlet according to an embodiment of this application.

[0026] Figure 15 is a cross-sectional schematic diagram showing the mating of the second connector, the second sealing ring, and the liquid outlet according to an embodiment of this application.

[0027] Explanation of reference numerals in the attached drawings: 100-Energy storage cabinet, 10-Cabinet body, 11-Installation space, 12-Bottom, 13-Top, 20-Cabinet door, 30-Energy storage component, 31-Liquid cooling plate, 311-Plate body, 312-Liquid inlet, 313-Liquid outlet, 32-Energy storage module, 321-Box body, 322-Battery cell, 323-Support component, 33-First electrical component, 331-Electrical body, 332-Reinforcing part, 34-Second electrical component, 341-Interface, 342-Cover, 3421-Cover body, 3422-Protrusion, 40-Liquid cooling system, 41-Liquid cooling pipe assembly, 411-First pipe, 412-Second pipe, 413-First connector, 4131 - First tube body, 41311-First end, 41312-Second end, 41313-First surface, 4132-Second tube body, 4133-First buffer element, 4134-First buffer chamber, 4135-First plug, 4136-First blocking element, 414-Second connector, 4141-Third tube body, 41411-Third end, 41412-Fourth end, 4142-Fourth tube body, 41413-Second surface, 4143-Second buffer element, 4144-Second buffer chamber, 4145-Second plug, 4146-Second blocking element, 42-Inlet pipe, 43-Outlet pipe, 44-First sealing ring, 45-Second sealing ring. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0029] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0030] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0031] It should be noted that, for ease of explanation, the same reference numerals denote the same components in the embodiments of this application, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments.

[0032] The energy storage modules inside the energy storage cabinet require a liquid cooling system for cooling. To achieve the liquid-electricity separation design, the inlet and outlet of the tertiary pipeline are far apart, resulting in a large unsupported section on one side of the tertiary pipeline, making it prone to sagging. During transportation, this can cause shaking and constant pulling on the joints, leading to O-ring failure and increasing the likelihood of leakage. This increases the probability of short circuits and insufficient cooling performance caused by leakage in the liquid cooling system. Furthermore, to absorb tolerances and reduce stress concentration, corrugated pipes are typically used at bends in the tertiary pipeline to simplify assembly. However, this further exacerbates the sagging of the longer sections of the tertiary pipeline, increasing its unreliability during transportation.

[0033] Please refer to Figures 1 to 6. This application embodiment provides an energy storage cabinet 100, which includes a cabinet body 10, a cabinet door 20, multiple energy storage components 30, and a liquid cooling system 40. The cabinet body 10 has an installation space 11 with one open end. The cabinet body 10 includes a bottom 12 and a top 13, which are located on opposite sides of the installation space 11 and arranged along a first direction (as shown by arrow X in Figure 2). The cabinet door 20 is used to close the installation space 11. The multiple energy storage components 30 are assembled in the installation space 11 along the first direction. Each energy storage component 30 includes a liquid cooling plate 31 and an energy storage module 32. The liquid cooling plate 31 includes... The plate 311 has a flow channel, an inlet 312, and an outlet 313. The inlet 312 and the outlet 313 are spaced apart along a second direction (as shown by arrow Y in Figure 2) on the side of the plate 311 facing the cabinet door 20 and respectively connect to the opposite ends of the flow channel of the plate 311. The inlet 312 and the outlet 313 are both facing the top 13. The energy storage module 32 is located on the side of the plate 311 facing the top 13. The first direction is perpendicular to the second direction; the liquid cooling system 40 includes a plurality of liquid cooling pipe assemblies 41, which are located within the installation space 11. Each liquid cooling pipe assembly 41 corresponds to a liquid cooling plate 31. Each liquid cooling pipe assembly 41 includes a first pipe 411, a second pipe 412, a first connector 413, and a second connector 414. One end of the first pipe 411 is connected to the first connector 413, and the other end is used for liquid inlet. The end of the first connector 413 facing away from the first pipe 411 is sleeved and connected to the liquid inlet 312. One end of the second pipe 412 is connected to the second connector 414, and the other end is used for liquid outlet. The end of the second connector 414 facing away from the second pipe 412 is sleeved and connected to the liquid outlet 313. The end of the first pipe 411 facing away from the first connector 413 and the end of the second pipe 412 facing away from the second connector 414 are located on the same side of the energy storage assembly 30 connected to the liquid cooling pipe assembly 41.

[0034] The term "multiple" refers to two or more.

[0035] It should be noted that the arrangement directions of the cabinet body 10 and the cabinet door 20 intersect with the first direction and the second direction, respectively. In a specific embodiment, the arrangement directions of the cabinet body 10 and the cabinet door 20 are perpendicular to the first direction and the second direction, respectively.

[0036] It should be noted that the plurality of energy storage components 30 are assembled in the installation space 11 along the first direction. Understandably, the plurality of energy storage components 30 are arranged sequentially along the first direction, but there is a gap or spacing between two adjacent energy storage components 30.

[0037] Understandably, both the liquid inlet 312 and the liquid outlet 313 are located on the side of the energy storage module 32 facing the cabinet door 20. The plate 311 protrudes from the energy storage module 32 in the direction close to the cabinet door 20. In a specific embodiment, both the liquid inlet 312 and the liquid outlet 313 are perpendicular to the plate 311.

[0038] It should be noted that the liquid cooling pipe assembly 41 corresponds one-to-one with the liquid cooling plate 31. This can be understood as: one liquid cooling pipe assembly 41 corresponds to one liquid cooling plate 31, and different liquid cooling pipe assemblies 41 correspond to different liquid cooling plates 31.

[0039] Optionally, the flow channel can be arranged in an S-shape, bending back and forth to cover the plate 311. This application does not make specific limitations.

[0040] Optionally, the cabinet door 20 is connected to the cabinet body 10. Further, the cabinet door 20 can be rotatably connected to the cabinet body 10 or detachably connected to the cabinet body 10.

[0041] It should be noted that the end of the first pipe 411 away from the first connector 413 and the end of the second pipe 412 away from the second connector 414 are located on the same side of the energy storage component 30 connected to the liquid cooling pipe assembly 41. In other words, the end of the first pipe 411 used for liquid inlet and the end of the second pipe 412 used for liquid outlet are located on the same side of the energy storage component 30 connected to the liquid cooling pipe assembly 41.

[0042] Understandably, both the liquid inlet 312 and the liquid outlet 313 are located away from the bottom 12. The energy storage module 32 is located on the side of the plate 311 away from the bottom 12.

[0043] Optionally, when the energy storage cabinet 100 is placed on a horizontal surface (e.g., the ground), and the bottom 12 is closer to the surface than the top 13, the liquid inlet 312 and the liquid outlet 313 are both positioned away from the direction of gravity. This can be understood as the liquid inlet 312 and the liquid outlet 313 being positioned upwards when the energy storage cabinet 100 is upright.

[0044] Optionally, the portion of the first connector 413 at least away from the first pipe 411 points in the direction of gravity, and the portion of the second connector 414 at least away from the second pipe 412 points in the direction of gravity. It can also be understood that the opening of the first connector 413 away from the first pipe 411 faces downward, and the opening of the second connector 414 away from the first pipe 411 faces downward.

[0045] It should be noted that the first connector 413 is sleeved to the liquid inlet 312. The first connector 413 can be sleeved on the outer periphery of the liquid inlet 312, or it can be inserted through the liquid inlet 312 (i.e., the liquid inlet 312 is sleeved on the outer periphery of the first connector 413). The second connector 414 is sleeved to the liquid outlet 313. The second connector 414 can be sleeved on the outer periphery of the liquid outlet 313, or it can be inserted through the liquid outlet 313 (i.e., the liquid outlet 313 is sleeved on the outer periphery of the second connector 414).

[0046] It should be noted that during assembly, the first connector 413 is fitted onto the liquid inlet 312 from top to bottom (i.e., along the direction of gravity), and the second connector 414 is fitted onto the liquid outlet 313 from top to bottom (i.e., along the direction of gravity).

[0047] In one specific embodiment, the first direction is the direction of gravity, and the second direction is the horizontal direction.

[0048] Understandably, the liquid cooling pipe assembly 41 is used to house coolant to cool the energy storage assembly 30.

[0049] In the embodiments of this application, the liquid inlet 312 and the liquid outlet 313 of the energy storage component 30 are both positioned facing the top 13. During the installation of the liquid cooling pipe assembly 41, the first connector 413 is fitted onto the liquid inlet 312 from top to bottom, and the second connector 414 is fitted onto the liquid outlet 313 from top to bottom. During assembly, the operator can open the cabinet door 20 and stand in front of the energy storage cabinet 100 to operate. The process of inserting the first connector 413 downwards into the liquid inlet 312 and the second connector 414 downwards into the liquid outlet 313 is performed during operation. The components are always visible to personnel, facilitating alignment and connection, and reducing the assembly difficulty of the energy storage cabinet 100. In addition, the first connector 413 is fitted onto the liquid inlet 312 of the energy storage component 30 under its own weight, and the second connector 414 is fitted onto the liquid outlet 313 of the energy storage component 30 under its own weight. This ensures that slight vibrations during transportation will not cause the first connector 413 and the second connector 414 to come off and leak, thus improving the safety of the energy storage cabinet 100.

[0050] Referring again to Figure 6, optionally, the liquid cooling system 40 further includes an inlet pipe 42 and an outlet pipe 43. The inlet pipe 42 and the outlet pipe 43 are disposed on the same side of the plurality of energy storage components 30 and both extend along a first direction. The inlet pipe 42 is respectively connected to one end of the plurality of first pipes 411 of the plurality of liquid cooling pipe assemblies 41 away from the first connector 413. The outlet pipe 43 is respectively connected to one end of the plurality of second pipes 412 of the plurality of liquid cooling pipe assemblies 41 away from the second connector 414.

[0051] Please refer to Figures 7 and 8 together. Optionally, the liquid inlet 312 is farther away from the liquid inlet pipe 42 and the liquid outlet pipe 43 than the liquid outlet 313. The energy storage module 32 includes a housing 321, multiple battery cells 322 and a support member 323. The housing 321 is used to house the multiple battery cells 322. The support member 323 is disposed on the side of the housing 321 near the cabinet door 20 and is used to support the first pipe 411.

[0052] Understandably, the support member 323, the liquid inlet 312 and the liquid outlet 313 are all located on the same side of the housing 321, that is, the side of the housing 321 facing the cabinet door 20.

[0053] It should be noted that, since the inlet 312 is farther away from the inlet pipe 42 and the outlet pipe 43 than the outlet 313, the first pipe 411 is longer than the second pipe 412.

[0054] Optionally, along the second direction, the support member 323 is located between the liquid inlet 312 and the liquid outlet 313. Along the first direction, the support member 323 is located between the first pipeline 411 and the plate.

[0055] Optionally, the battery cell 322 can be, but is not limited to, at least one of lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries, or magnesium-ion batteries.

[0056] Optionally, the support member 323 may be, but is not limited to, a semi-cylindrical shape, and the support member 323 may be bent toward the first pipe 411 and abut against the first pipe 411.

[0057] In this embodiment, by providing a support member 323 on the housing 321, the first pipe 411 with a relatively large length is supported, so as to better prevent the middle part of the first pipe 411 from sagging, and prevent the sagging of the first pipe 411 from causing an increase in the flow resistance inside the first pipe 411, affecting the uniformity of the coolant flow in the liquid cooling pipe assembly 41, and reducing the heat dissipation effect of the liquid cooling system 40 on the energy storage cabinet 100.

[0058] Please refer to Figures 9 to 11. In some embodiments, the first connector 413 includes a first tube 4131, a second tube 4132, and a first buffer 4133. The first tube 4131 includes a first end 41311 and a second end 41312 arranged along a second direction. The first end 41311 connects to the first pipe 411, and the second end 41312 is closed. The second tube 4132 extends along a first direction and is located between the first end 41311 and the second end 41312. One end of the second tube 4132 is connected to the first tube 4131, and the other end points to the bottom 12 and is sleeved on the liquid inlet 312; the first buffer 4133 is located inside the first tube 4131 and between the second end 41312 and the second tube 4132. The first buffer 4133 and part of the first tube 4131 form a first buffer chamber 4134. The first buffer chamber 4134 is sealed with a first compressible medium, which is used to buffer the impact force when the liquid cooling system 40 starts or stops.

[0059] Understandably, the first tube 4131 extends along a first direction, and the first end 41311 and the second end 41312 are disposed opposite to each other.

[0060] Understandably, the second tube 4132 extends from the end connected to the first tube 4131 toward the direction near the top 13.

[0061] Understandably, the first tube 4131 and the second tube 4132 form a "T" shaped structure.

[0062] Understandably, the first buffer 4133 has elastic deformation.

[0063] Optionally, the first buffer 4133 may be, but is not limited to, an elastic film such as a rubber film or a silicone film. Optionally, the thickness of the first buffer 4133 is 0.6 mm to 1 mm; specifically, the thickness of the first buffer 4133 may be, but is not limited to, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, or 1.0 mm.

[0064] Optionally, the first compressible medium may be, but is not limited to, air, nitrogen, etc.

[0065] In this embodiment, when the liquid cooling system 40 is started, a large impact force (i.e., water hammer effect) is generated instantaneously. The impact force generated by the sudden flow of coolant in the liquid cooling pipe assembly 41 impacts the first buffer 4133 and moves it in the direction of compressing the first buffer chamber 4134. The first compressible medium sealed in the first buffer chamber 4134 is compressed, and the first buffer 4133 deforms to offset part of the impact force. When the coolant circulates, the instantaneous impact force of the coolant flow disappears, the first compressible medium sealed in the first buffer chamber 4134 is depressurized, and the first buffer 4133 returns to its original shape (deformation recovery). The pressure in the liquid cooling pipe assembly 41 returns to normal hydraulic pressure. Thus, the first buffer 4133 and the first buffer chamber 4134 cooperate to alleviate the instantaneous impact force generated by the coolant when the liquid cooling pipe assembly 41 is frequently started / stopped, protecting the first joint 413 from being blown open or damaged.

[0066] Please refer to Figure 12. In some embodiments, the surface of the first tube 4131 facing away from the second tube 4132 is a first surface 41313. The first surface 41313 is a plane. The energy storage component 30 also includes a first electrical component 33. The first electrical component 33 is electrically connected to the energy storage module 32. The first electrical component 33 is disposed on the side of the first tube 4131 facing away from the second tube 4132 and abuts against the first surface 41313.

[0067] Optionally, the first electrical component 33 may be, but is not limited to, a manual maintenance protection switch (MSD) with a high-voltage interlock function.

[0068] Understandably, the first electrical component 33 is positioned close to the liquid inlet 312, and when the energy storage cabinet 100 is upright, the first electrical component 33 is positioned above the liquid inlet 312.

[0069] Optionally, the first electrical component 33 abuts against the end of the first tube body 4131 opposite to the first conduit 411.

[0070] Understandably, the first tube 4131 extends from the end connected to the first conduit 411 toward the end away from the first conduit 411 to below the first electrical component 33.

[0071] In this embodiment, by making the first surface 41313 planar and providing a first electrical component 33 on the side of the first tube 4131 away from the second tube 4132, and by having the first electrical component 33 abut against the first surface 41313, the first connector 413 can be limited, preventing it from coming off in the first direction away from the liquid inlet 312 during the use or transportation of the energy storage cabinet 100. This further improves the stability of the connection between the first connector 413 and the liquid inlet 312, avoids vibration of the energy storage cabinet 100 during transportation or assembly, and prevents misalignment and leakage at the connection between the first connector 413 and the liquid inlet 312, thereby improving the safety of the energy storage cabinet 100.

[0072] In some embodiments, the first electrical component 33 includes an electrical body portion 331 and a reinforcing portion 332. The electrical body portion 331 is electrically connected to the energy storage module 32. The reinforcing portion 332 is disposed on the side of the electrical body portion 331 facing the first tube body 4131 to improve the mechanical strength of the first electrical component 33. The side of the reinforcing portion 332 away from the electrical body portion 331 abuts against the first surface 41313.

[0073] Optionally, the number of reinforcing parts 332 can be one or more, and when the number of reinforcing parts 332 is multiple, they are disposed at intervals on the surface of the electrical body 331 facing the first tube 4131. In the schematic drawings of this application, the number of reinforcing parts 332 is illustrated by two examples, and should not be construed as a limitation on the number of reinforcing parts 332 in the embodiments of this application.

[0074] Optionally, when there are multiple reinforcing parts 332, the ends of the multiple reinforcing parts 332 that are away from the electrical body part 331 can all abut against the first tube body 4131, or a portion of the multiple reinforcing parts 332 can abut against the first tube body 4131.

[0075] In the embodiments of this application, by providing a reinforcing part 332, the reinforcing part 332 abuts against the first tube body 4131. In this way, for the energy storage component 30 with a certain distance between the first electrical component 33 and the liquid inlet 312, there is no need to adjust the position of the first electrical component 33 and the liquid inlet 312. The first electrical component 33 can be abutted against the first tube body 4131 by the reinforcing part 332 to limit the first connector 413. This prevents it from coming off in the first direction away from the liquid inlet 312 during the use or transportation of the energy storage cabinet 100. This can further improve the stability of the connection between the first connector 413 and the liquid inlet 312, avoid vibration of the energy storage cabinet 100 during transportation or assembly, and prevent misalignment and leakage at the connection between the first connector 413 and the liquid inlet 312, thereby improving the safety of the energy storage cabinet 100.

[0076] Please refer again to Figures 9 to 11. In some embodiments, the first connector 413 further includes a first plug 4135 and a first blocking member 4136. The first plug 4135 is disposed at the second end 41312 to close the second end 41312. One end of the first buffer member 4133 is connected to the first plug 4135, and the other end is connected to the first blocking member 4136. The first blocking member 4136 is disposed on the side of the first buffer member 4133 away from the first plug 4135. The end of the first blocking member 4136 away from the first buffer member 4133 is connected to the side wall of the first tube 4131 away from the second tube 4132. Part of the first tube 4131, part of the first plug 4135, the first blocking member 4136, and the first buffer member 4133 form the first buffer chamber 4134.

[0077] Optionally, the first plug 4135 can be, but is not limited to, a rubber plug or a silicone plug. The hardness and mechanical strength of the first plug 4135 are greater than those of the first buffer 4133, and the hardness and strength of the first blocking member 4136 are also greater than those of the first buffer 4133. It can also be understood that the first tube 4131, the second tube 4132, the first plug 4135, and the first blocking member 4136 are all rigid.

[0078] Optionally, the first plug 4135 is fused to the first tube 4131, and the first buffer 4133 is fused to the first plug 4135 and the first blocking member 4136.

[0079] Understandably, a portion of the first plug 4135, together with the first tube 4131, the first blocking member 4136, and the first buffer member 4133, forms a first buffer chamber 4134, and another portion, together with the first tube 4131, the first blocking member 4136, and the first buffer member 4133, forms another chamber that connects to the second tube 4132.

[0080] In this embodiment, by setting a first plug 4135 to seal the end of the first tube 4131 away from the first pipe 411, and by setting a first blocking member 4136 on the side of the first buffer member 4133 near the first pipe 411, the coolant flowing from the first pipe 411 to the first tube 4131 can be prevented from directly impacting the first buffer member 4133 when the liquid cooling system 40 is started. The blocking effect of the first blocking member 4136 can offset part of the impact force, thereby improving the reliability and service life of the first buffer member 4133.

[0081] In some embodiments, the first blocking member 4136 extends along a first direction, the first buffer member 4133 extends along a second direction, and the end of the first blocking member 4136 connected to the first buffer member 4133 has an arc-shaped chamfer.

[0082] Optionally, one end of the first blocking member 4136 connected to the first buffer member 4133 is bent toward the direction away from the first pipeline 411 to form an arc-shaped chamfer.

[0083] In this embodiment, by extending the first blocking member 4136 along the first direction and the first buffer member 4133 along the second direction, and by providing an arc-shaped chamfer at one end of the first blocking member 4136 connecting to the first buffer member 4133, the instantaneous impact force generated in the first pipe 411 when the liquid cooling system 40 is started can be smoothly transitioned when it encounters the first blocking member 4136. The first blocking member 4136 and the first buffer member 4133 cooperate to slowly offset the impact force, thus better preventing the first connector 413 from being blown open or damaged by the instantaneous impact force of the coolant when the liquid cooling system 40 is started.

[0084] Referring again to Figures 9 to 11, in some embodiments, the second connector 414 includes a third tube 4141, a fourth tube 4142, and a second buffer 4143. The third tube 4141 includes a third end 41411 and a fourth end 41412 arranged along a second direction. The third end 41411 communicates with the second conduit 412, and the fourth end 41412 is closed. The fourth tube 4142 extends along a first direction and is located between the third end 41411 and the fourth end 41412. One end of the fourth tube 4142 is connected to the third tube 4141, and the other end points to the bottom 12 and is sleeved on the liquid outlet 313; the second buffer 4143 is located inside the third tube 4141 and between the fourth end 41412 and the fourth tube 4142. The second buffer 4143 and part of the third tube 4141 form a second buffer chamber 4144. The second buffer chamber 4144 is sealed with a second compressible medium for buffering the impact force when the liquid cooling system 40 starts or stops.

[0085] Understandably, the third tube 4141 extends along the first direction, and the third end 41411 is disposed opposite to the fourth end 41412.

[0086] Understandably, the fourth tube 4142 extends from the end connected to the third tube 4141 toward the direction near the top 13.

[0087] Understandably, the third tube 4141 and the fourth tube 4142 form a "T" shaped structure.

[0088] Understandably, the second buffer 4143 has elastic deformation.

[0089] Optionally, the second buffer 4143 may be, but is not limited to, an elastic film such as a rubber film or a silicone film. Optionally, the thickness of the second buffer 4143 is 0.6 mm to 1 mm; specifically, the thickness of the second buffer 4143 may be, but is not limited to, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, or 1.0 mm.

[0090] Optionally, the second compressible medium may be, but is not limited to, air, nitrogen, etc.

[0091] In this embodiment, when the liquid cooling system 40 is started, a large impact force (i.e., water hammer effect) is generated instantaneously. The impact force generated by the sudden flow of coolant in the liquid cooling pipe assembly 41 impacts the second buffer 4143 and moves it in the direction of compressing the second buffer chamber 4144. The second compressible medium sealed in the second buffer chamber 4144 is compressed, and the second buffer 4143 deforms to offset part of the impact force. When the coolant circulates, the instantaneous impact force of the coolant flow disappears, the second compressible medium sealed in the second buffer chamber 4144 is depressurized, and the second buffer 4143 returns to its original shape (deformation recovery). The pressure in the liquid cooling pipe assembly 41 returns to normal hydraulic pressure. Thus, the second buffer 4143 and the second buffer chamber 4144 cooperate to alleviate the instantaneous impact force generated by the coolant when the liquid cooling pipe assembly 41 is frequently started / stopped, protecting the second connector 414 from being blown open or damaged.

[0092] Please refer to Figure 13. In some embodiments, the surface of the third tube 4141 facing away from the fourth tube 4142 is a second surface 41413, which is a plane. The energy storage component 30 also includes a second electrical component 34, which is electrically connected to the energy storage module 32. The second electrical component 34 is disposed on the side of the third tube 4141 facing away from the fourth tube 4142 and abuts against the second surface 41413.

[0093] Optionally, the second electrical component 34 may be, but is not limited to, a fire communication interface, which is used to communicate with the fire control panel.

[0094] Understandably, the second electrical component 34 is located near the liquid outlet 313, and when the energy storage cabinet 100 is upright, the second electrical component 34 is located above the liquid outlet 313.

[0095] Optionally, the second electrical component 34 abuts against the end of the third tube 4141 opposite to the second tube 412.

[0096] Understandably, the third tube 4141 extends from the end connected to the second tube 412 toward the end away from the second tube 412 to below the second electrical component 34.

[0097] In this embodiment, by making the second surface 41413 planar and providing a second electrical component 34 on the side of the third tube 4141 away from the fourth tube 4142, and by having the second electrical component 34 abut against the second surface 41413, the second connector 414 can be limited, preventing it from coming off in the first direction away from the liquid outlet 313 during the use or transportation of the energy storage cabinet 100. This further improves the stability of the connection between the second connector 414 and the liquid outlet 313, avoids vibration of the energy storage cabinet 100 during transportation or assembly, and prevents misalignment and leakage at the connection between the second connector 414 and the liquid outlet 313, thereby improving the safety of the energy storage cabinet 100.

[0098] In some embodiments, the second electrical component 34 includes a connector 341 and a cover 342. The connector 341 is electrically connected to the energy storage module 32. The cover 342 is disposed on the connector 341 to protect the connector 341. The cover 342 includes a cover body 3421 and a protrusion 3422. The protrusion 3422 is disposed on the side of the cover body 342 facing the third tube 4141. The side of the protrusion 3422 away from the cover body 3421 abuts against the second surface 41413.

[0099] In the embodiments of this application, by providing a protrusion 3422 on the cover 342, the protrusion 3422 abuts against the third tube 4141. In this way, for the energy storage component 30 with a certain distance between the second electrical component 34 and the liquid outlet 313, there is no need to adjust the position of the second electrical component 34 and the liquid outlet 313. The second electrical component 34 can abut against the third tube 4141 through the protrusion 3422 to limit the second connector 414, so that it cannot come out in the first direction away from the liquid outlet 313 during the use or transportation of the energy storage cabinet 100. This can further improve the stability of the connection between the second connector 414 and the liquid outlet 313, avoid vibration of the energy storage cabinet 100 during transportation or assembly, so as to prevent misalignment and leakage at the connection between the second connector 414 and the liquid outlet 313, and improve the safety of the energy storage cabinet 100.

[0100] Please refer again to Figures 9 to 11. In some embodiments, the second connector 414 further includes a second plug 4145 and a second blocking member 4146. The second plug 4145 is disposed at the fourth end 41412 to close the fourth end 41412. One end of the second buffer member 4143 is connected to the second plug 4145, and the other end is connected to the second blocking member 4146. The second blocking member 4146 is disposed on the side of the second buffer member 4143 away from the second plug 4145. One end of the second blocking member 4146 away from the second buffer member 4143 is connected to the side wall of the third tube 4141 away from the fourth tube 4142. Part of the third tube 4141, part of the second plug 4145, the second blocking member 4146, and the second buffer member 4143 form the second buffer chamber 4144.

[0101] Optionally, the second plug 4145 can be, but is not limited to, a rubber plug or a silicone plug. The hardness and mechanical strength of the second plug 4145 are greater than those of the second buffer 4143, and the hardness and strength of the second blocking member 4146 are also greater than those of the second buffer 4143. It can also be understood that the third tube 4141, the fourth tube 4142, the second plug 4145, and the second blocking member 4146 are all rigid.

[0102] Optionally, the second plug 4145 is fused to the third tube 4141, and the second buffer 4143 is fused to the second plug 4145 and the second blocking member 4146.

[0103] Understandably, a portion of the second plug 4145, together with the third tube 4141, the second blocking member 4146, and the second buffer member 4143, forms a second buffer chamber 4144, and another portion, together with the third tube 4141, the second blocking member 4146, and the second buffer member 4143, forms another chamber that connects to the fourth tube 4142.

[0104] In this embodiment, by setting a second plug 4145 to seal the end of the third tube 4141 away from the second pipe 412, and by setting a second blocking member 4146 on the side of the second buffer member 4143 near the second pipe 412, it is possible to prevent the coolant flowing from the second pipe 412 to the third tube 4141 from directly impacting the second buffer member 4143 when the liquid cooling system 40 is started. Through the blocking effect of the second blocking member 4146, part of the impact force can be offset, thereby improving the reliability and service life of the second buffer member 4143.

[0105] In some embodiments, the second blocking member 4146 extends along a first direction, the second buffer member 4143 extends along a second direction, and the end of the second blocking member 4146 connected to the second buffer member 4143 has an arc-shaped chamfer.

[0106] Optionally, one end of the second blocking member 4146 connected to the second buffer member 4143 is bent toward the direction away from the second pipeline 412 to form an arc-shaped chamfer.

[0107] In this embodiment, by extending the second blocking member 4146 along the first direction and the second buffer member 4143 along the second direction, and by providing an arc-shaped chamfer at one end of the second blocking member 4146 connecting to the second buffer member 4143, the instantaneous impact force generated in the second pipe 412 when the liquid cooling system 40 is started can be smoothly transitioned when it encounters the second blocking member 4146. The cooperation between the second blocking member 4146 and the second buffer member 4143 slowly cancels out the impact force, thus better preventing the first connector 413 from being blown open or damaged by the instantaneous impact force of the coolant when the liquid cooling system 40 is started.

[0108] Please refer to Figures 14 and 15. In some embodiments, the liquid cooling pipe assembly 41 further includes a first sealing ring 44 and a second sealing ring 45. The first sealing ring 44 is located between the first connector 413 and the liquid inlet 312 and is used to seal the connection between the first connector 413 and the liquid inlet 312. The second sealing ring 45 is located between the second connector 414 and the liquid outlet 313 and is used to seal the connection between the second connector 414 and the liquid outlet 313.

[0109] In this embodiment, by setting the first sealing ring 44 and the second sealing ring 45, leakage between the first connector 413 and the liquid inlet 312 can be better prevented, as well as leakage between the second connector 414 and the liquid outlet 313 can be better prevented, thereby improving the safety of the energy storage cabinet 100.

[0110] In this application, the terms "embodiment" and "implementation" mean that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this application. The appearance of these phrases in various locations throughout the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will understand, explicitly and implicitly, that the embodiments described in this application can be combined with other embodiments. Furthermore, it should be understood that the features, structures, or characteristics described in the various embodiments of this application can be arbitrarily combined to form another embodiment that does not depart from the spirit and scope of the technical solution of this application, provided there is no contradiction between them.

[0111] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of this application should not depart from the spirit and scope of the technical solutions of this application.

Claims

1. An energy storage cabinet, wherein, include: The cabinet has an installation space with an opening at one end. The cabinet includes a bottom and a top, the bottom and the top being located on opposite sides of the installation space and arranged along a first direction. Cabinet door, the cabinet door being used to enclose the installation space; Multiple energy storage components are assembled in the installation space along a first direction. Each energy storage component includes a liquid-cooled plate and an energy storage module. The liquid-cooled plate includes a plate body with a flow channel, an inlet, and an outlet. The inlet and outlet are spaced apart along a second direction on the side of the plate body facing the cabinet door and respectively connect to opposite ends of the flow channel of the plate body. Both the inlet and outlet face the top. The energy storage module is disposed on the side of the plate body facing the top. The first direction is perpendicular to the second direction. A liquid cooling system, comprising multiple liquid cooling pipe assemblies located within the installation space, each liquid cooling pipe assembly corresponding to a liquid cooling plate, each liquid cooling pipe assembly comprising a first pipe, a second pipe, a first connector, and a second connector, one end of the first pipe being connected to the first connector, the other end being used for liquid inlet, and the end of the first connector facing away from the first pipe being sleeved and connected to the liquid inlet. One end of the second pipe is connected to the second connector, and the other end is used for liquid discharge. The end of the second connector away from the second pipe is connected to the liquid outlet. The end of the first pipe away from the first connector and the end of the second pipe away from the second connector are located on the same side of the energy storage component connected to the liquid cooling pipe assembly.

2. The energy storage cabinet according to claim 1, wherein, The first connector includes a first tube body, a second tube body, and a first buffer element. The first tube body includes a first end and a second end arranged along a second direction. The first end is connected to the first pipeline, and the second end is closed. The second tube body extends along a first direction and is located between the first end and the second end. One end of the second tube body is connected to the first tube body, and the other end points to the bottom and is sleeved on the liquid inlet. The first buffer element is located inside the first tube body and between the second end and the second tube body. The first buffer element and part of the first tube body form a first buffer chamber, and the first buffer chamber is sealed with a first compressible medium.

3. The energy storage cabinet according to claim 2, wherein, The surface of the first tube away from the second tube is a first surface, which is a plane. The energy storage component also includes a first electrical component, which is electrically connected to the energy storage module. The first electrical component is disposed on the side of the first tube away from the second tube and abuts against the first surface.

4. The energy storage cabinet according to claim 3, wherein, The first electrical component includes an electrical body and a reinforcing part. The electrical body is electrically connected to the energy storage module. The reinforcing part is disposed on the side of the electrical body facing the first tube, and the side of the reinforcing part away from the electrical body abuts against the first surface.

5. The energy storage cabinet according to claim 2, wherein, The first connector further includes a first plug and a first blocking member. The first plug closes the second end. One end of the first buffer member is connected to the first plug and the other end is connected to the first blocking member. The first blocking member is disposed on the side of the first buffer member away from the first plug. The end of the first blocking member away from the first buffer member is connected to the side wall of the first tube away from the second tube. Part of the first tube, part of the first plug, the first blocking member and the first buffer member enclose the first buffer chamber.

6. The energy storage cabinet according to claim 5, wherein, The first blocking member extends along a first direction, the first buffer member extends along a second direction, and the end of the first blocking member connected to the first buffer member has an arc-shaped chamfer.

7. The energy storage cabinet according to claim 1, wherein, The second connector includes a third tube body, a fourth tube body, and a second buffer element. The third tube body includes a third end and a fourth end arranged along a second direction. The third end is connected to the second pipeline, and the fourth end is closed. The fourth tube body extends along a first direction and is located between the third end and the fourth end. One end of the fourth tube body is connected to the third tube body, and the other end points to the bottom and is sleeved on the liquid outlet. The second buffer element is located inside the third tube body and between the fourth end and the fourth tube body. The second buffer element and part of the third tube body form a second buffer chamber, which is sealed with a second compressible medium.

8. The energy storage cabinet according to claim 7, wherein, The surface of the third tube that faces away from the fourth tube is the second surface, which is a plane. The energy storage component also includes a second electrical component that is electrically connected to the energy storage module. The second electrical component is disposed on the side of the third tube that faces away from the fourth tube and abuts against the second surface.

9. The energy storage cabinet according to claim 8, wherein, The second electrical component includes a plug-in interface and a cover. The plug-in interface is electrically connected to the energy storage module. The cover is disposed on the plug-in interface and includes a cover body and a protrusion. The protrusion is disposed on the side of the cover body facing the third tube, and the side of the protrusion away from the cover body abuts against the second surface.

10. The energy storage cabinet according to claim 7, wherein, The second connector further includes a second plug and a second blocking member. The second plug closes the fourth end. One end of the second buffer member is connected to the second plug and the other end is connected to the second blocking member. The second blocking member is disposed on the side of the second buffer member away from the second plug. The end of the second blocking member away from the second buffer member is connected to the side wall of the third tube away from the fourth tube. Part of the third tube, part of the second plug, the second blocking member and the second buffer member form the second buffer chamber.

11. The energy storage cabinet according to claim 10, wherein, The second blocking member extends along the first direction, the second buffer member extends along the second direction, and the end of the second blocking member connected to the second buffer member has an arc-shaped chamfer.

12. The energy storage cabinet according to claim 1, wherein, The liquid cooling pipe assembly further includes a first sealing ring and a second sealing ring, wherein the first sealing ring is located between the first connector and the liquid inlet; and the second sealing ring is located between the second connector and the liquid outlet.

13. The energy storage cabinet according to any one of claims 1-12, wherein, The liquid cooling system further includes an inlet pipe and an outlet pipe, which are located on the same side of the plurality of energy storage components and extend along a first direction; the inlet pipe is connected to one end of the plurality of first pipes of the plurality of liquid cooling pipe components away from the first connector. The liquid outlet pipe connects to one end of the multiple second pipes of the multiple liquid cooling pipe assemblies away from the second connector; the liquid inlet is further away from the liquid inlet pipe and the liquid outlet pipe than the liquid outlet; the energy storage module includes a housing, multiple battery cells and a support member, the housing is used to house the multiple battery cells, and the support member is located on the side of the housing near the cabinet door to support the first pipe.

Images