CN215680823U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
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- CN215680823U CN215680823U CN202122238479.0U CN202122238479U CN215680823U CN 215680823 U CN215680823 U CN 215680823U CN 202122238479 U CN202122238479 U CN 202122238479U CN 215680823 U CN215680823 U CN 215680823U
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- battery pack
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery pack and a vehicle, and relates to the technical field of new energy power batteries. The battery pack comprises a battery core, a cross beam and a support assembly; the plurality of cross beams are fixed in the support assembly and arranged in parallel along a first direction at intervals; the cross beam comprises a main body and a supporting block, and the supporting block is connected to the lower edge of the side face of the main body and forms an included angle with the main body; the battery cell is provided with a plurality of, and a plurality of battery cells and a plurality of main parts are arranged in turn and are set up and fixed connection, and the supporting shoe supports in the below of battery cell. The utility model solves the technical problems of more internal parts and types and low adaptability of the battery pack in the prior art.
Description
Technical Field
The utility model relates to the technical field of new energy power batteries, in particular to a battery pack and a vehicle.
Background
The battery pack carried on the electric automobile in the prior art firstly assembles the battery core to the module, and then installs the module in the frame to form the battery pack, so as to form a three-level assembly mode of 'battery core-module-battery pack'. The mode has the problems of more internal parts and types of the battery pack and low adaptability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery pack and a vehicle, which are used for solving the technical problems of more internal parts and types of the battery pack and low adaptability in the prior art.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
a battery pack comprises a battery core, a cross beam and a support assembly;
the number of the cross beams is multiple, and the cross beams are fixed in the supporting assembly and arranged in parallel along a first direction at intervals;
the cross beam comprises a main body and a supporting block, and the supporting block is connected to the lower edge of the side face of the main body and forms an included angle with the main body;
the battery cell is provided with a plurality of, and is a plurality of the battery cell sets up and fixed connection with a plurality of main part is in proper order alternate arrangement, the supporting shoe support in the below of battery cell.
Further, in the present invention,
the number of the supporting blocks is two;
the two supporting blocks are symmetrically arranged on two sides of the main body.
Further, in the present invention,
the battery cell is connected with the cross beam through a structural adhesive layer.
Further, in the present invention,
the support assembly comprises a frame, and the battery cell and the cross beam are arranged in the inner area of the frame.
Further, in the present invention,
the supporting assembly further comprises a longitudinal beam, the longitudinal beam is arranged in a direction perpendicular to the cross beam, and two ends of the longitudinal beam are connected with the inner wall of the frame respectively;
the plurality of cross beams are positioned on two sides of the longitudinal beam, one end of each cross beam is connected with the inner wall of the frame, and the other end of each cross beam is connected with the longitudinal beam.
Further, in the present invention,
and the outer surfaces of the longitudinal beams and/or the cross beams are/is provided with an insulating layer.
Further, in the present invention,
insulating sheets are arranged at two ends of the battery cell in the length direction.
Further, in the present invention,
the battery pack further comprises a water cooling plate, and the water cooling plate is connected with the frame;
the water cooling plate and the frame enclose to form a space for accommodating the battery cell.
Further, in the present invention,
the battery pack further comprises heat-conducting glue, and the heat-conducting glue is clamped between the battery cell and the water cooling plate.
In a second aspect, a vehicle includes a battery pack as described in any of the above.
By combining the technical scheme, the technical effect analysis realized by the utility model is as follows:
the battery pack provided by the utility model comprises a battery core, a cross beam and a support assembly; the plurality of cross beams are fixed in the support assembly and arranged in parallel along a first direction at intervals; the cross beam comprises a main body and a supporting block, and the supporting block is connected to the lower edge of the side face of the main body and forms an included angle with the main body; the battery cell is provided with a plurality of, and a plurality of battery cells and a plurality of main parts are arranged in turn and are set up and fixed connection, and the supporting shoe supports in the below of battery cell. The cross beam comprises the supporting blocks which form included angles with the main body, when the battery cell is loaded on the cross beam, the supporting blocks support the battery cell, the battery cell does not need to be assembled on the module, the number of the module, the module fasteners and other parts is reduced, and the problem that the number and the types of the parts in the battery pack are large is solved; on the module need not to assemble to electric core, when the battery package design, enlarged the combination kind of electric core, improved the suitability of battery package.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an exploded view of a battery pack according to an embodiment of the present invention;
fig. 2 is a sectional view of a battery pack according to an embodiment of the present invention;
FIG. 3 is a perspective view of the cross beam of FIG. 1;
fig. 4 is a schematic perspective view of a support assembly in a battery pack according to an embodiment of the utility model;
fig. 5 is a schematic perspective view of a battery cell in a battery pack according to an embodiment of the present invention.
Icon:
100-electric core; 200-a cross beam; 300-structural adhesive layer; 210-a body; 211-a first cavity; 220-a support block; 400-a border; 410-frame beam; 420-a first space; 430-a second space; 500-longitudinal beams; 110-an insulating sheet; 600-water cooling plate; 700-heat conducting glue.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The battery pack carried on the electric vehicle in the prior art firstly assembles the battery core 100 to the module, and then the module is installed in the frame 400 to form the battery pack, so as to form a three-level assembly mode of the battery core 100-module-battery pack. In this mode, since the assembly of the battery cell 100 into the module and the installation of the module into the frame 400 both require fasteners and the module also occupies a certain amount of space, the battery pack has a problem of a large number and variety of internal parts; and because the battery core 100 needs to be installed in the module first, the type of the module is limited, so the combination type of the module is limited when the battery pack is designed, and the application range of the battery pack is limited, so the battery pack has the problem of low adaptability.
The battery pack provided by the embodiment of the utility model comprises a battery core 100, a cross beam 200 and a support assembly; the number of the cross beams 200 is multiple, and the cross beams 200 are fixed in the support assembly and arranged in parallel along a first direction at intervals; the cross beam 200 comprises a main body 210 and a supporting block 220, wherein the supporting block 220 is connected to the lower edge of the side surface of the main body 210 and forms an included angle with the main body 210; the battery cells 100 are provided in plural, the battery cells 100 and the main bodies 210 are sequentially arranged in an alternating manner and fixedly connected, and the supporting block 220 is supported below the battery cells 100. The beam 200 comprises a supporting block 220 which forms an included angle with the main body 210, when the battery core 100 is loaded on the beam 200, the supporting block 220 supports the battery core 100, the battery core 100 does not need to be assembled on a module, the number of the module, a module fastener and other parts is reduced, and the problem that the number and the types of the parts in the battery pack are large is solved; on the module need not assembled to electric core 100, when the battery package design, enlarged the combination kind of electric core 100, improved the suitability of battery package.
The first embodiment is as follows:
the structure and shape of the battery pack will be described in detail below:
in an alternative embodiment of the present invention, please refer to fig. 3, and fig. 3 is a schematic perspective view of a cross beam 200. The beam 200 comprises a main body 210 and two supporting blocks 220, wherein the main bodies 210 of the plurality of beams 200 and the plurality of battery cells 100 are arranged alternately in sequence; the two supporting blocks 220 are respectively located at the lower edges of the two side faces of the main body 210, which are attached to the battery core 100; the main body 210 is disposed at an angle to the supporting block 220.
Specifically, two supporting blocks 220 are respectively located at the lower edges of both sides of the main body 210, and the two supporting blocks 220 are disposed perpendicular to the main body 210. Preferably, the supporting block 220 has a length smaller than that of the body 210.
The beam 200 includes a main body 210 and two supporting blocks 220, and the two supporting blocks 220 are respectively located at the lower edges of the two side faces of the main body 210 attached to the battery cell 100, the main body 210 and the supporting blocks 220 form a space for accommodating the battery cell 100, and the supporting blocks 220 support the battery cell 100, so as to prevent the battery cell 100 from being directly placed on the water cooling plate 600 with weak bearing capacity to damage the water cooling plate 600.
In an alternative of the embodiment of the present invention, the battery cell 100 and the beam 200 are connected by a structural adhesive layer 300.
Specifically, the cross section of the structural adhesive layer 300 is L-shaped, the length direction of the structural adhesive layer 300 is parallel to the length direction of the cross beam 200, the vertical surface of the structural adhesive layer 300 is connected between the main body 210 and the side wall of the battery cell 100, and the horizontal surface of the structural adhesive layer 300 is connected between the supporting block 220 and the bottom surface of the battery cell 100. The structural adhesive layer 300 is arranged between the battery cell 100 and the beam 200 to connect the battery cell 100 and the beam 200, so as to fix the battery cell 100.
In an alternative embodiment of the present invention, the body 210 is integrally connected with the supporting block 220.
The main body 210 and the supporting block 220 are integrally connected, so that the internal bonding strength of the cross beam 200 is enhanced, and the supporting block 220 is prevented from being separated from the main body 210 due to long-term use of the cross beam 200. Of course, other connection methods, such as welding, bonding, etc., should also be within the scope of the embodiments of the present invention.
In an alternative aspect of the embodiment of the present invention, please refer to fig. 2, and fig. 2 is a cross-sectional view of a battery pack provided in the first embodiment. The main body 210 is provided therein with a plurality of first cavities 211, and the plurality of first cavities 211 are arranged in parallel at intervals along a height direction of the main body 210.
Specifically, the first cavity 211 penetrates the body 210 in a length direction of the body 210; the cross-section of the first cavity 211 is rectangular, but other shapes, such as square, etc., are also within the scope of the embodiments of the present invention.
The inside of main part 210 sets up first cavity 211 and can reduce the weight of crossbeam 200 to because a plurality of main parts 210 and a plurality of electric core 100 are staggered arrangement in proper order, single main part 210 is pressed from both sides by two electric cores 100 and is established, and the inside first cavity 211 of main part 210 can regard as buffer structure to cushion electric core 100's bulging force, avoids because of the compact and no buffer structure of battery package inner structure, leads to electric core 100 bulging force can't be led to the china and abroad, thereby has improved the security of battery package.
In an alternative aspect of the embodiment of the present invention, please refer to fig. 1, and fig. 1 is an exploded view of a battery pack provided in the first embodiment. The support assembly includes a frame 400, and the battery cell 100 and the beam 200 are disposed in an inner region of the frame 400.
Specifically, the frame 400 includes four frame beams 410 connected end to end, and the four frame beams 410 are arranged in parallel at intervals two by two; the battery cell 100 and the cross beam 200 are disposed in an area surrounded by the four frame beams 410.
The support assembly includes a frame 400, and the frame 400 is used for carrying the battery cells 100 and the cross beam 200.
In an alternative of the embodiment of the present invention, the inner surfaces of two frame beams 410 disposed in parallel at intervals in the width direction of the cross beam 200 are provided with an insulating layer.
Specifically, the inner surfaces of the two frame beams 410 arranged in parallel at intervals in the width direction of the cross beam 200 are subjected to insulation treatment, so that an insulating layer is formed on the surface, the problem of electric leakage when the battery pack is in contact with the battery core 100 is avoided, and the safety of the battery pack is improved.
In an alternative to the embodiments of the present invention, please refer to fig. 4. The support assembly further comprises a longitudinal beam 500, the longitudinal beam 500 is arranged along a direction perpendicular to the cross beam 200, and two ends of the longitudinal beam 500 are respectively connected with the inner wall of the frame 400; the plurality of cross members 200 are positioned at both sides of the longitudinal member 500, and one end is connected to the inner wall of the frame 400 and the other end is connected to the longitudinal member 500.
Specifically, the longitudinal beam 500 is disposed in a direction perpendicular to the cross beam 200, and both ends of the longitudinal beam 500 are respectively connected to the inner walls of the frame 400, and the longitudinal beam 500 divides the inner area of the frame 400 into a first space 420 and a second space 430; the plurality of cross beams 200 are divided into two groups, wherein one group of cross beams 200 are arranged in the first space 420 at intervals along the first direction, and the other group of cross beams 200 are arranged in the second space 430 at intervals along the first direction.
In an alternative of the present embodiment, the stringers 500 are welded to the inner wall of the rim 400.
Specifically, both ends of the longitudinal beam 500 are welded to the inner wall of the bezel 400.
The inner walls of the longitudinal beam 500 and the frame 400 are welded, so that the longitudinal beam 500 divides the inner area of the frame 400 into two spaces, the cross beams 200 can be distributed on two sides of the longitudinal beam 500, the number of the cross beams 200 is increased, the number of the battery cells 100 is correspondingly increased, and the adaptability of the battery pack is improved. Of course, other attachment means, such as adhesive or bolt attachment, should be within the scope of the present invention.
In an alternative embodiment of the present invention, one end of the cross beam 200 is welded to the longitudinal beam 500, and the other end is welded to the inner wall of the frame 400.
The two ends of the cross beam 200 are connected with the inner walls of the longitudinal beam 500 and the frame 400 by welding, so that the bonding strength between the cross beam 200 and the longitudinal beam 500 and the frame 400 is improved, and of course, other connection methods, such as bonding or bolt connection, should be within the protection scope of the embodiment of the present invention.
In an alternative to the present embodiment, the outer surfaces of the longitudinal beams 500 and/or the transverse beams 200 are provided with an insulating layer.
Specifically, the outer surface of the stringer 500 is subjected to an insulation treatment; or, the outer surface of the beam 200 is subjected to insulation treatment; alternatively, the outer surfaces of the longitudinal beams 500 and the cross beams 200 are both subjected to insulation treatment.
The outer surface of the longitudinal beam 500 is provided with an insulating layer, so that the joint of the longitudinal beam 500 and the battery core 100 is prevented from generating electric leakage and the like, and the safety of the battery pack is improved. The outer surface of the beam 200 is provided with an insulating layer, so that the joint of the beam 200 and the battery core 100 is prevented from generating electric leakage and the like, and the safety of the battery pack is improved.
In an alternative of the embodiment of the present invention, a second cavity is provided inside the longitudinal beam 500, the second cavity is provided in plurality, and the plurality of second cavities are arranged in parallel and at intervals along the height direction and/or the width direction of the longitudinal beam 500.
Specifically, the second cavity penetrates stringer 500 along the length of stringer 500; a plurality of second cavities are arranged and arranged in parallel at intervals along the height direction of the longitudinal beam 500; alternatively, a plurality of second cavities are arranged in parallel at intervals along the width direction of the stringer 500; alternatively, the plurality of second cavities are provided at intervals in parallel in the height direction and the width direction of the side member 500. Preferably, the cross-section of the second cavity is rectangular, but other shapes are also within the scope of the utility model.
The second cavity is formed in the longitudinal beam 500, so that the weight of the longitudinal beam 500 can be reduced, and the overall weight of the battery pack can be reduced. In addition, because electric core 100 need laminate with longeron 500 surface along length direction's one end, the inside second cavity of longeron 500 can regard as buffer structure to cushion electric core 100's bulging force etc. and avoid because of the compact and no buffer structure of battery package inner structure, lead to electric core 100 bulging force can't leak to the security of battery package has been improved.
In an alternative aspect of the embodiment of the present invention, please refer to fig. 5, and fig. 5 is a schematic perspective view of the battery cell 100 provided in the first embodiment. Insulating sheets 110 are provided at both ends of the battery cell 100 in the longitudinal direction.
The two ends of the length direction of the battery cell 100 are provided with the insulating sheets 110, so that the battery cell 100 is prevented from generating electric leakage at the joint of the longitudinal beam 500 or the frame 400, and the safety of the battery pack is improved.
In the alternative of the embodiment of the utility model, the battery pack further comprises a water-cooling plate 600, and the water-cooling plate 600 is connected with the frame 400; the water-cooling plate 600 and the frame 400 enclose a space for accommodating the battery cell 100.
Specifically, the water-cooling plate 600 is provided with a liquid inlet, a liquid outlet, and a flow channel, and the cooling liquid enters the water-cooling plate 600 from the liquid inlet, flows through the flow channel, and is discharged from the liquid outlet.
Water-cooling board 600 encloses with frame 400 and closes the space that forms and be used for holding electric core 100, and electric core 100 locates water-cooling board 600 top promptly, and water-cooling board 600 is arranged the heat of the inside production of battery package and is dispersed, avoids the inside temperature rise of battery package to arouse the trouble, and the setting of water-cooling board 600 has improved the security of battery package.
In an alternative scheme of the embodiment of the present invention, the battery pack further includes a thermal conductive adhesive 700, and the thermal conductive adhesive 700 is sandwiched between the battery cell 100 and the water cooling plate 600.
Specifically, the thermal conductive adhesive 700 is provided in plurality, and the thermal conductive adhesive 700 and the battery cells 100 are arranged in a one-to-one correspondence.
Because heat conduction glue 700 presss from both sides and locates between electric core 100 and the water-cooling plate 600, can conduct the heat of electric core 100 to water-cooling plate 600 fast, and then improve the radiating efficiency of water-cooling plate 600, further improved the security of battery package.
Example two:
the present embodiment provides a vehicle including the battery pack described in the first embodiment, so that all the advantages of the first embodiment are also provided, and details are not described herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A battery pack, comprising: the battery cell comprises a battery cell (100), a cross beam (200) and a support assembly;
the number of the cross beams (200) is multiple, and the cross beams (200) are fixed in the supporting assembly and arranged in parallel along a first direction at intervals;
the cross beam (200) comprises a main body (210) and a supporting block (220), wherein the supporting block (220) is connected to the lower edge of the side face of the main body (210) and forms an included angle with the main body (210);
the battery cell (100) is provided with a plurality of battery cells (100), the battery cells (100) and the main bodies (210) are sequentially arranged in an alternating manner and are fixedly connected, and the supporting blocks (220) are supported below the battery cells (100).
2. The battery pack according to claim 1, wherein the supporting block (220) is provided in two;
the two supporting blocks (220) are symmetrically arranged on two sides of the main body (210).
3. The battery pack of claim 1, wherein the battery cells (100) and the cross beam (200) are connected by a structural adhesive layer (300).
4. The battery pack of claim 1, wherein the support assembly comprises a frame (400), and the battery cells (100) and the cross member (200) are disposed in an interior region of the frame (400).
5. The battery pack according to claim 4, wherein the support assembly further comprises a longitudinal beam (500), the longitudinal beam (500) is disposed in a direction perpendicular to the cross beam (200), and both ends of the longitudinal beam (500) are respectively connected with the inner walls of the side frames (400);
the plurality of cross beams (200) are positioned on two sides of the longitudinal beam (500), one end of each cross beam is connected with the inner wall of the frame (400), and the other end of each cross beam is connected with the longitudinal beam (500).
6. Battery pack according to claim 5, characterized in that the outer surface of the longitudinal beams (500) and/or the transverse beams (200) is provided with an insulating layer.
7. The battery pack according to claim 1, wherein the battery cells (100) are provided with insulating sheets (110) at both ends in the longitudinal direction.
8. The battery pack of claim 4, further comprising a water-cooled plate (600), the water-cooled plate (600) being connected to the frame (400);
the water cooling plate (600) and the frame (400) enclose to form a space for accommodating the battery cell (100).
9. The battery pack of claim 8, further comprising a thermally conductive adhesive (700), wherein the thermally conductive adhesive (700) is sandwiched between the battery cells (100) and the water-cooled plate (600).
10. A vehicle characterized by comprising the battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122238479.0U CN215680823U (en) | 2021-09-15 | 2021-09-15 | Battery pack and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122238479.0U CN215680823U (en) | 2021-09-15 | 2021-09-15 | Battery pack and vehicle |
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| CN215680823U true CN215680823U (en) | 2022-01-28 |
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| CN202122238479.0U Active CN215680823U (en) | 2021-09-15 | 2021-09-15 | Battery pack and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4243162A1 (en) * | 2022-03-11 | 2023-09-13 | CALB Co., Ltd. | Battery device and assembling method of battery device |
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2021
- 2021-09-15 CN CN202122238479.0U patent/CN215680823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4243162A1 (en) * | 2022-03-11 | 2023-09-13 | CALB Co., Ltd. | Battery device and assembling method of battery device |
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