CN219457882U - Box assembly and battery pack - Google Patents

Box assembly and battery pack Download PDF

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Publication number
CN219457882U
CN219457882U CN202320830676.8U CN202320830676U CN219457882U CN 219457882 U CN219457882 U CN 219457882U CN 202320830676 U CN202320830676 U CN 202320830676U CN 219457882 U CN219457882 U CN 219457882U
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CN
China
Prior art keywords
liquid cooling
liquid
plate
inlet
joint
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Active
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CN202320830676.8U
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Chinese (zh)
Inventor
何亚飞
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Envision Power Technology Jiangsu Co Ltd
Envision Ruitai Power Technology Shanghai Co Ltd
Original Assignee
Envision Power Technology Jiangsu Co Ltd
Envision Ruitai Power Technology Shanghai Co Ltd
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Priority to CN202320830676.8U priority Critical patent/CN219457882U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model belongs to the technical field of power batteries, and relates to a box assembly and a battery pack. The box body component comprises a boundary beam, a liquid cooling plate and a liquid cooling joint; the side beam is provided with a mounting notch which penetrates through the outer wall, the inner wall and the top wall of the side beam; at least one part of the liquid cooling plate is arranged in the installation space surrounded by the boundary beam; the liquid cooling joint is suitable for being installed and matched in the installation notch from the roof of boundary beam, and the installation notch is stretched out to the first end of liquid cooling joint in order to be located the outside of boundary beam, and the installation notch is stretched out to the second end of liquid cooling joint in order to be located the installation space to direct and the sealed intercommunication of liquid cooling plate in order to carry cooling medium. The beneficial effects include: the installation breach runs through the outer wall, inner wall and the roof of boundary beam, and the assembly is simple and convenient, and the first end that the liquid cooling connects is located the outside of boundary beam, and the second end that the liquid cooling connects is located the installation space and directly communicates with the liquid cooling board, reduces the occupation to installation space, has promoted the space utilization of box subassembly and battery package to improve the energy density of battery package.

Description

Box assembly and battery pack
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to a box assembly and a battery pack.
Background
In order to ensure the safety performance of the power battery, the use temperature of the power battery has higher requirements, and particularly, safety accidents are very easy to occur when the temperature is too high, so that battery packs on the market are generally provided with cooling devices, including liquid cooling, air cooling or air cooling and the like, and the use temperature of a battery module in the battery pack is in a proper range through the cooling devices.
At present, the cooling device mainly adopts the liquid cooling plate, the liquid cooling plate and the battery module are installed in the box body, equipment for providing cooling medium generally needs to be connected with the liquid cooling plate through the cooperation of various quick connectors and cooling pipelines so as to realize the circulation flow of the cooling medium in the liquid cooling plate, and although the temperature regulation of the battery module is realized through the liquid cooling plate, the installation of various quick connectors and cooling pipelines is very inconvenient in the process of being connected with the liquid cooling plate, and the operability of an assembly process is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a case assembly and a battery pack, which are used for solving the problems of complex structure, inconvenient assembly and low operability of the assembly process in the prior art.
To achieve the above and other related objects, the present utility model provides a tank assembly comprising:
the side beam is provided with a mounting notch, and the mounting notch penetrates through the outer wall, the inner wall and the top wall of the side beam;
the liquid cooling plate is at least partially arranged in the installation space surrounded by the side beam; and
the liquid cooling joint is suitable for being installed and matched in the installation notch from the top wall of the side beam, the first end of the liquid cooling joint extends out of the installation notch to the outer wall so as to be located on the outer side of the side beam, and the second end of the liquid cooling joint extends out of the inner wall so as to be located in the installation space and is directly communicated with the liquid cooling plate in a sealing mode to convey cooling media.
Optionally, be equipped with liquid cooling entry and liquid cooling export on the liquid cooling board, the liquid cooling entry with the liquid cooling export sets up respectively and is being close to the position department of installation breach, and the opening is followed the direction of height of box subassembly is upwards, liquid inlet and liquid outlet are had on the second end of liquid cooling joint, and the opening is followed respectively the direction of height of box subassembly is downwards, liquid inlet directly with liquid cooling entry sealing intercommunication, liquid outlet directly with liquid cooling export sealing intercommunication.
Optionally, the inside that liquid cooling connects is equipped with inlet channel and play liquid runner, the inlet of inlet channel sets up the first end that liquid cooling connects, the play liquid outlet of play liquid runner sets up the first end that liquid cooling connects, just the inlet outlet with go out liquid inlet respectively with the inlet channel with go out liquid runner intercommunication.
Optionally, the liquid cooling joint includes upper plate and the lower plate that the range upon range of setting, the upper plate orientation one side of lower plate is equipped with the runner recess, the lower plate with the upper plate is connected, and covers the runner recess and with runner recess sealing fit is in order to limit up the feed liquor runner with go out the liquid runner.
Optionally, the liquid inlet and the liquid outlet are both arranged on the lower layer plate, a sealing groove is arranged on one side of the lower layer plate, facing the liquid cooling plate, and the sealing groove surrounds the periphery of the liquid inlet and the periphery of the liquid outlet respectively, and a sealing ring is arranged in the sealing groove.
Optionally, the liquid cooling joint is provided with a first locking part, the liquid cooling plate is provided with a second locking part, and the first locking part is aligned with the second locking part and locked by a locking piece.
Optionally, the first locking portion is a locking plate with a through hole, the second locking portion is a boss with a threaded hole, and the locking piece is suitable for penetrating through the through hole and the threaded hole to lock the liquid cooling plate and the liquid cooling joint.
Optionally, the liquid cooling connects the back to one side local attenuate formation first of liquid cooling board dodges the space, the liquid cooling connects the orientation one side local attenuate formation of liquid cooling board is used for dodging the second of boss dodges the space.
Optionally, the upper surface of the part of the liquid cooling joint in the installation notch is flush with the upper surface of the side beam.
To achieve the above and other related objects, the present application also provides a battery pack including the case assembly as described above.
As described above, the case assembly and the battery pack of the present utility model have at least the following advantageous effects: the side beam is provided with the mounting notch penetrating through the top wall of the side beam, so that the liquid cooling joint can be mounted in the mounting notch from the top wall of the side beam in an assembling mode from top to bottom, the assembling is simple and convenient, and the process operability is high; based on this, the installation breach still runs through the outer wall and the inner wall of boundary beam for when the installation breach is packed into to the liquid cooling joint, the first end that the liquid cooling connects is located the outside of boundary beam, and the second end that the liquid cooling connects is located the installation space and directly communicates with the liquid cooling board, reduces spare part quantity, has simplified the structure, has reduced occupation to installation space, has promoted the space utilization of box subassembly and battery package, in order to improve the energy density of battery package.
Drawings
FIG. 1 is a schematic view of an embodiment of a housing assembly according to the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an exploded view of the housing assembly of FIG. 1;
FIG. 4 is an enlarged schematic view of part B of FIG. 3;
FIG. 5 is a top view of the housing assembly of FIG. 1;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;
FIG. 7 is an enlarged schematic view of portion E of FIG. 6;
FIG. 8 is a cross-sectional view taken at D-D of FIG. 5;
FIG. 9 is an enlarged schematic view of portion F of FIG. 8;
FIG. 10 is a schematic view of the liquid-cooled joint of FIG. 1 exploded from a first view;
fig. 11 is a second perspective exploded view of the liquid cooled joint of fig. 1.
Description of the part reference numerals
The side beam 100, the mounting notch 101, the liquid cooling plate 200, the liquid cooling outlet 201, the liquid cooling inlet 202, the second locking part 203, the liquid cooling joint 300, the liquid inlet channel 301, the liquid outlet channel 302, the upper plate 303, the liquid outlet 3031, the liquid inlet 3032, the lower plate 304, the liquid inlet outlet 3041, the liquid outlet 3042, the sealing groove 3043, the first locking part 305, the first avoiding space 306, the second avoiding space 307, the middle beam 400, the locking piece 500 and the sealing ring 600.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1-5, in some alternative embodiments, the present application provides a tank assembly including a boundary beam 100, a liquid cooling plate 200, and a liquid cooling joint 300. The side beam 100 is provided with a mounting notch 101, and the mounting notch 101 penetrates through the outer wall, the inner wall and the top wall of the side beam 100; at least a part of the liquid cooling plate 200 is arranged in the installation space surrounded by the boundary beam 100; the liquid cooling joint 300 is suitable for being fitted into the mounting notch 101 from top to bottom from the top wall of the side beam 100, the first end of the liquid cooling joint 300 extends out of the mounting notch 101 to the outside of the outer wall so as to be positioned at the outer side of the side beam 100, and the second end of the liquid cooling joint 300 extends out of the mounting notch 101 to the outside of the inner wall so as to be positioned in the mounting space and is directly communicated with the liquid cooling plate 200 in a sealing way so as to convey a cooling medium.
Alternatively, the mounting notch 101 may be a U-shaped notch with an opening facing upward, that is, the opening of the U-shaped notch faces upward along the height direction of the side sill 100.
Optionally, the liquid-cooled joint 300 is fixed to the mounting notch 101 by welding or gluing. Further, the liquid-cooled joint 300 may be welded to the mounting notch 101 by laser welding, MIG welding (melt-inert gas welding), or other welding methods.
Optionally, the upper surface of the portion of the liquid-cooled connector 300 located within the mounting notch 101 is flush with the upper surface of the edge beam 100 to meet subsequent assembly and sealing requirements with the battery pack top cover.
Optionally, the liquid cooling plate 200 is connected with the boundary beam 100 to form a box bottom plate of the box assembly; the liquid cooling plate 200 and the side beam 100 may be in an integrated structure. Further, the middle beam 400 is further arranged on the bottom plate of the box body, which is beneficial to further improving the overall structural strength of the box body assembly.
In the box body assembly in the above embodiment, the side beam 100 is provided with the mounting notch 101, and the mounting notch 101 penetrates through the top wall of the side beam 100 along the height direction of the side beam 100, so that the liquid cooling joint 300 can be installed into the mounting notch 101 from top to bottom when the liquid cooling joint is assembled with the mounting notch 101, the assembly is simple and convenient, and the process operability is high; based on this, the installation notch 101 also penetrates through the outer wall and the inner wall of the boundary beam 100 along the thickness direction of the boundary beam 100, so that when the liquid cooling joint 300 is installed in the installation notch 101, the first end and the second end of the liquid cooling joint 300 can be respectively located at the outer side and the inner side of the boundary beam 100, the first end of the liquid cooling joint 300 is located at the outer side of the boundary beam 100, occupation of the installation space on the inner side of the boundary beam 100 is reduced, space utilization is improved, and the second end of the liquid cooling joint 300 is located in the installation space, so that the liquid cooling joint 300 is convenient to be in direct sealing communication with the liquid cooling plate 200.
Referring to fig. 3 to 9, in some alternative embodiments, the liquid cooling plate 200 is provided with a liquid cooling inlet 202 and a liquid cooling outlet 201, the liquid cooling inlet 202 and the liquid cooling outlet 201 are respectively disposed at positions close to the mounting notch 101, the openings face upwards along the height direction of the box assembly, the second end of the liquid cooling joint 300 is provided with a liquid inlet 3041 and a liquid outlet 3042, the openings face downwards along the height direction of the box assembly, the liquid inlet 3041 is directly communicated with the liquid cooling inlet 202 in a sealing manner, and the liquid outlet 3042 is directly communicated with the liquid cooling outlet 201 in a sealing manner. Wherein, the inside of the liquid cooling plate 200 is provided with a liquid cooling channel, the trend of the liquid cooling channel can be set according to the requirement, the liquid cooling outlet 201 is communicated with the liquid cooling channel, and the liquid cooling inlet 202 is communicated with the liquid cooling channel.
In the case of the above embodiment, the liquid cooling inlet 202, the liquid cooling outlet 201, the liquid inlet 3041 and the liquid outlet 3042 are disposed along the height direction of the case, and the liquid inlet 3041 is directly communicated with the liquid cooling inlet 202 in a sealing manner, and the liquid outlet 3042 is directly communicated with the liquid cooling outlet 201 in a sealing manner, so that the space occupied by the liquid cooling joint 300 in the height direction of the case is reduced, and the space requirement on the case in the height direction is reduced.
Referring to fig. 4, 7 and 9-11, in some alternative embodiments, a liquid inlet channel 301 and a liquid outlet channel 302 are provided in the liquid cooling joint 300, a liquid inlet 3032 of the liquid inlet channel 301 is provided at a first end of the liquid cooling joint 300, a liquid outlet 3031 of the liquid outlet channel 302 is provided at a first end of the liquid cooling joint 300, and the liquid inlet outlet 3041 and the liquid outlet inlet 3042 are respectively communicated with the liquid inlet channel 301 and the liquid outlet channel 302; that is, the liquid inlet 3032 and the liquid outlet 3031 are disposed at a first end of the liquid-cooling joint 300, the first end of the liquid-cooling joint 300 is connected to an external cooling medium supply device, the liquid inlet 3041 and the liquid outlet 3042 are disposed at a second end of the liquid-cooling joint 300, the second end of the liquid-cooling joint 300 is connected to the liquid-cooling plate 200, the liquid inlet 3041 is in sealed communication with the liquid-cooling inlet 202, and the liquid-cooling outlet 201 is in sealed communication with the liquid-outlet 3042. Wherein, the cooling medium can enter from the liquid inlet 3032, flow through the liquid inlet channel 301 and convey to the liquid inlet outlet 3041 to flow out, then enter the liquid cooling plate 200 from the liquid cooling inlet 202, be equipped with the liquid cooling channel in the liquid cooling plate 200, the cooling medium flows out from the liquid cooling outlet 201 after flowing through the liquid cooling channel, then enter from the liquid outlet inlet 3042, flow through the liquid outlet channel 302 and convey to the liquid outlet 3031 to flow out, the liquid inlet channel 301 and the liquid outlet channel 302 are mutually noninterfere, can realize the input and the output of the cooling medium through a liquid cooling joint 300, reduce the quantity of spare parts, reduce the occupation to installation space.
It will be appreciated that the number of the liquid inlet channels 301 and the liquid outlet channels 302 may be set according to the requirement, and the effect of the liquid inlet channels 301 is not limited to the input of the cooling medium, the effect of the liquid outlet channels 302 is not limited to the output of the cooling medium, the effect of the liquid inlet channels 301 and the liquid outlet channels 302 may be interchanged, and the effect of the liquid inlet channels 301 and the liquid outlet channels 302 may be set according to the requirement, whether the liquid inlet channels 301 and the liquid outlet channels 302 are used for inputting the cooling medium or outputting the cooling medium.
Optionally, the liquid cooling joint 300 includes an upper plate 303 and a lower plate 304 that are stacked, a runner groove is disposed on a side of the upper plate 303 facing the lower plate 304, and the lower plate 304 is connected to the upper plate 303, covers the runner groove, and is in sealing fit with the runner groove to define the liquid inlet runner 301 and the liquid outlet runner 302. Further, the upper plate 303 may be milled with a flow channel groove after machining, the lower plate 304 may be flat plate-shaped, the upper plate 303 and the lower plate 304 are laminated, and the surfaces of opposite sides of the upper plate 303 and the lower plate 304 may be sealed and connected by brazing, laser welding, or other sealing connection means. The upper layer plate 303 and the lower layer plate 304 can be independently processed and then connected into an integral structure, so that the processing is convenient, the processing difficulty is low, various runner grooves with complex trend can be processed conveniently, and the application range is wider. The stacking direction of the upper layer plate 303 and the lower layer plate 304, the height direction of the liquid cooling joint 300, and the height direction of the edge beam 100 may be the same as the height direction of the box assembly, and the height of the liquid cooling joint 300 after the upper layer plate 303 and the lower layer plate 304 are stacked is smaller than the length and the width of the liquid cooling joint 300, so that the occupied space in the height direction of the box assembly is smaller.
Optionally, the number of the runner grooves is two, two ends of the runner grooves are closed ends, that is, two ends of the runner grooves do not penetrate through the upper plate 303, the liquid inlet 3032 penetrates through one side wall of one runner groove and is communicated with the runner groove, and the liquid inlet 3041 corresponds to and is communicated with the top of the other end of the runner groove; the liquid outlet 3031 penetrates through one end side wall of the other runner groove and is communicated with the runner groove, and the liquid outlet 3042 corresponds to and is communicated with the groove top at the other end of the runner groove.
Optionally, the liquid inlet 3041 and the liquid outlet 3042 are both disposed on the lower plate 304, a sealing groove 3043 is disposed on a side of the lower plate 304 facing the liquid cooling plate 200, the sealing groove 3043 surrounds the periphery of the liquid inlet 3041 and the periphery of the liquid outlet 3042, respectively, and a sealing ring 600 is installed in the sealing groove 3043, so that when the liquid cooling joint 300 is installed in place, the sealing ring 600 forms a seal, and the liquid inlet 3041 and the liquid cooling inlet 202 are respectively communicated in a sealing manner, and the liquid cooling outlet 201 and the liquid outlet 3042 are communicated in a sealing manner.
Optionally, the upper layer 303 is provided with a limiting part, the limiting part is located at the outer side of the side beam 100, the outer contour of the limiting part is larger than the width of the mounting notch 101 along the length direction of the side beam 100, the liquid cooling connector 300 is limited to extend into the length of the mounting space through the limiting part, when the limiting part is in contact with the outer wall of the side beam 100, the liquid cooling connector 300 is assembled in place in the thickness direction of the side beam 100, the liquid cooling outlet 201 is aligned with the liquid outlet 3042, the liquid cooling inlet 202 is aligned with the liquid inlet 3041, and the positioning assembly is simple.
The box assembly of the above embodiment has the advantages that the liquid cooling joint 300 is simple in structure and low in manufacturing difficulty, particularly the upper layer plate 303 and the lower layer plate 304 of the liquid cooling joint 300 are of split type structures, and the upper layer plate 303 and the lower layer plate 304 can be processed independently, so that the manufacturing difficulty is greatly reduced. In addition, the lower plate 304 is flat plate-shaped, and the overall structure is small in height after being in sealing connection with the upper plate 303, so that the requirement on the height of the installation space is low.
Referring to fig. 4, 7, 10 and 11, in some alternative embodiments, the liquid cooled joint 300 is provided with a first locking portion 305, the liquid cooled plate 200 is provided with a second locking portion 203, and the first locking portion 305 is aligned with the second locking portion 203 and locked by the locking member 500.
Alternatively, the first locking portion 305 is a locking plate with a through hole, the second locking portion 203 is a boss with a threaded hole, and the locking member 500 is adapted to lock the liquid cooling plate 200 and the liquid cooling joint 300 through the through hole and the threaded hole; wherein, locking plate and top plate can be integrated into one piece structure. Further, the locking member 500 may be a locking bolt, and one end of the locking bolt passes through the through hole and is connected to the threaded hole.
Optionally, a first avoiding space 306 for avoiding the locking piece 500 is formed by locally thinning one side of the liquid cooling connector 300, which is away from the liquid cooling plate 200, and a second avoiding space 307 for avoiding the boss is formed by locally thinning one side of the liquid cooling connector 300, which is towards the liquid cooling plate 200, and the first avoiding space 306 and the second avoiding space 307 are arranged, so that the assembly operation is convenient, the structural strength of the liquid cooling connector 300 is ensured, and meanwhile, the weight of the liquid cooling connector 300 is reduced; in addition, the first avoiding space 306 can provide an accommodating space for the head of the locking piece 500, the second avoiding space 307 can provide an accommodating space for the second locking portion 203, which is beneficial to reducing the dimension of the liquid cooling joint 300 in the height direction of the boundary beam 100, so that the space occupied by the liquid cooling joint 300 in the height direction of the boundary beam 100 is reduced, and the requirement on the internal installation space of the box assembly, especially the requirement on the internal installation space of the box assembly, is reduced.
Alternatively, when the liquid cooling joint 300 is installed in place, the lower plate 304 is attached to the opposite side of the liquid cooling plate 200, and the sealing ring 600 can be pressed by the locking force formed when the first locking portion 305 and the second locking portion 203 are locked by the locking member 500, so that the sealing performance is improved.
In the box assembly of the embodiment, the liquid cooling joint 300 is in locking connection with the liquid cooling plate 200 through the locking piece 500, so that the reliability is high; particularly, the locking connection of the liquid cooling joint 300 and the liquid cooling plate 200 is realized through the locking bolt, so that the operation is simple and convenient, and the provided locking force can also squeeze the sealing ring 600 to improve the sealing performance and the reliability.
Referring to fig. 1-11, in some alternative embodiments, the present application also provides a battery pack including a case assembly as in any of the embodiments above.
Optionally, the battery pack further includes a battery module, and the bottom of the battery module is located in the installation space and contacts with the liquid cooling plate 200, and the battery module is cooled by the liquid cooling plate 200, so that the battery module can be at a proper temperature.
According to the box body assembly and the battery pack, the liquid cooling connector 300 is suitable for being installed and matched in the installation notch 101 from the top wall of the side beam 100, the assembly mode is simple, the process operability is high, and the production efficiency and the quality are improved; in addition, the first end of the liquid cooling connector 300 can be located outside the installation space, occupation of the liquid cooling connector 300 to the installation space is reduced, the second end of the liquid cooling connector 300 can be located in the installation space and is directly communicated with the liquid cooling plate 200, communication between the liquid cooling connector 300 and the liquid cooling plate 200 is achieved without an additional quick connector, the number of parts is reduced, occupation of the inner space of the box assembly is further reduced, space utilization rate of the box assembly and the battery pack is improved, and further small-size production of the box assembly and the battery pack is facilitated, and energy density of the battery pack can be improved.
In the description of the present specification, the descriptions of the terms "present embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A tank assembly, comprising:
the side beam is provided with a mounting notch, and the mounting notch penetrates through the outer wall, the inner wall and the top wall of the side beam;
the liquid cooling plate is at least partially arranged in the installation space surrounded by the side beam; and
the liquid cooling joint is suitable for being installed and matched in the installation notch from the top wall of the side beam, the first end of the liquid cooling joint extends out of the installation notch to the outer wall so as to be located on the outer side of the side beam, and the second end of the liquid cooling joint extends out of the inner wall so as to be located in the installation space and is directly communicated with the liquid cooling plate in a sealing mode to convey cooling media.
2. The tank assembly of claim 1, wherein: be equipped with liquid cooling entry and liquid cooling export on the liquid cooling board, the liquid cooling entry with the liquid cooling export sets up respectively and is close to the position department of installation breach, and the opening is followed the direction of height of box subassembly is upwards, liquid inlet and liquid outlet are had on the second end of liquid cooling joint, and the opening is followed respectively the direction of height of box subassembly is downwards, liquid inlet directly with liquid cooling entry sealing intercommunication, liquid outlet directly with liquid cooling export sealing intercommunication.
3. The tank assembly of claim 2, wherein: the inside that liquid cooling connects is equipped with inlet channel and play liquid flow channel, the inlet of inlet channel sets up the first end that liquid cooling connects, the play liquid outlet of play liquid flow channel sets up the first end that liquid cooling connects, just the inlet outlet with go out liquid inlet respectively with the inlet channel with go out liquid flow channel intercommunication.
4. A tank assembly as claimed in claim 3, wherein: the liquid cooling joint comprises an upper layer plate and a lower layer plate which are arranged in a stacked mode, a flow channel groove is formed in one side, facing the lower layer plate, of the upper layer plate, the lower layer plate is connected with the upper layer plate, and the flow channel groove is covered and matched with the flow channel groove in a sealing mode to limit the liquid inlet flow channel and the liquid outlet flow channel.
5. The tank assembly as claimed in claim 4, wherein: the liquid inlet and the liquid outlet are both arranged on the lower layer plate, a sealing groove is formed in one side, facing the liquid cooling plate, of the lower layer plate, the sealing groove surrounds the periphery of the liquid inlet and the periphery of the liquid outlet respectively, and a sealing ring is arranged in the sealing groove.
6. The tank assembly of any one of claims 2 to 5, wherein: the liquid cooling connector is provided with a first locking part, the liquid cooling plate is provided with a second locking part, and the first locking part is aligned with the second locking part and locked through a locking piece.
7. The tank assembly of claim 6, wherein: the first locking part is a locking plate with a through hole, the second locking part is a boss with a threaded hole, and the locking piece is suitable for penetrating through the through hole and the threaded hole to lock the liquid cooling plate and the liquid cooling joint.
8. The tank assembly of claim 7, wherein: the liquid cooling joint is opposite to one side of the liquid cooling plate and is locally thinned to form a first avoidance space, and one side of the liquid cooling joint facing the liquid cooling plate is locally thinned to form a second avoidance space for avoiding the boss.
9. The tank assembly of claim 1, wherein: the upper surface of the part of the liquid cooling joint, which is positioned in the installation notch, is flush with the upper surface of the side beam.
10. A battery pack, characterized in that: a tank assembly as claimed in any one of claims 1 to 9.
CN202320830676.8U 2023-04-13 2023-04-13 Box assembly and battery pack Active CN219457882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320830676.8U CN219457882U (en) 2023-04-13 2023-04-13 Box assembly and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320830676.8U CN219457882U (en) 2023-04-13 2023-04-13 Box assembly and battery pack

Publications (1)

Publication Number Publication Date
CN219457882U true CN219457882U (en) 2023-08-01

Family

ID=87385016

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320830676.8U Active CN219457882U (en) 2023-04-13 2023-04-13 Box assembly and battery pack

Country Status (1)

Country Link
CN (1) CN219457882U (en)

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