CN214589150U - Battery pack structure - Google Patents
Battery pack structure Download PDFInfo
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- CN214589150U CN214589150U CN202121199332.9U CN202121199332U CN214589150U CN 214589150 U CN214589150 U CN 214589150U CN 202121199332 U CN202121199332 U CN 202121199332U CN 214589150 U CN214589150 U CN 214589150U
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- battery pack
- battery
- box body
- accommodating cavity
- bolt
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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 discloses a battery pack structure, which comprises a box body and a battery pack; the box body is internally provided with a partition plate, and the accommodating cavity is divided into two parts, namely a first accommodating cavity and a second accommodating cavity, through the partition plate; both sides of the box body are in an open structure, box covers are arranged at the open structure of the box body, and the two box covers are respectively a first box cover and a second box cover; the utility model discloses a first case lid and second case lid of battery package are equivalent to the bottom of the case and case lid, utilize the baffle to cut apart into two relatively independent chambeies that hold, and two sets of group battery are integrated respectively in the intracavity that holds that corresponds to utilize first mounting structure and second mounting structure assembly fixed, improved whole frame intensity, two sets of group batteries can make things convenient for the change and the maintenance in later stage from both sides independent installation simultaneously.
Description
Technical Field
The utility model relates to a battery package technical field especially relates to a battery package structure with double-deck battery module.
Background
The mounting means of double-deck battery module links firmly the bottom internal surface floorbar of battery module and box that will be located the bottom usually, and the battery module that will be located the upper strata passes through the installing support to be connected with the battery module that is located the bottom with the box lateral wall, and the overall structure intensity that adopts this mounting means battery package is relatively poor, and in addition, when the battery module that is located the bottom breaks down, it is very inconvenient to change and maintain.
Therefore, in view of the above technical problems, it is urgently required by those skilled in the art to develop a novel mounting structure of a double-layer battery module, i.e., a novel battery pack structure, so as to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an improve battery package overall structure intensity and change and maintain the battery package structure of battery module with the later stage.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a battery package structure, it includes:
the box body is internally hollow to form an accommodating cavity; and
the battery pack is arranged in the accommodating cavity of the box body;
the box body is internally provided with a partition plate, and the accommodating cavity is divided into two parts, namely a first accommodating cavity and a second accommodating cavity, through the partition plate;
the number of the battery packs is two, and the two battery packs are respectively embedded in the first accommodating cavity and the second accommodating cavity;
both sides of the box body are in an open structure, box covers are arranged at the open structure of the box body, and the two box covers are respectively a first box cover and a second box cover;
the first box cover is used for closing the first accommodating cavity;
the second cover is used for closing the second accommodating cavity.
Further, the battery pack includes:
a plurality of stacked battery modules; and
first connection pieces through which adjacent battery modules are connected;
the battery pack further comprises a second connecting sheet, a first bolt and a second bolt;
the battery pack is fixedly assembled with the partition plate through the first bolt, and the battery pack is fixedly assembled with the box body through the second bolt.
Furthermore, first mounting structures are arranged at the positions, close to the inner wall of the box body, of the partition boards at intervals;
the first mounting structure comprises a bulge protruding towards the box cover on the corresponding side; and
the first fixing hole is formed along the extending direction of the protrusion;
the first bolt penetrates through the battery module and is tightly connected with the first fixing hole so as to realize the assembly and fixation with the partition plate;
the box body is also provided with a second mounting structure which is formed on the inner surface of the bottom of the box body or the inner surfaces of the bottom and the top of the box body;
the second mounting structure comprises a fixing column extending towards the box cover on the corresponding side; and
the second fixing hole is formed along the extending direction of the fixing column;
and the second bolt penetrates through the second connecting sheet and is fixedly connected to the second fixing hole so as to realize the assembly and fixation with the box body.
Further, the battery module includes:
a plurality of batteries;
the side plates are integrated on two sides of the battery module; and
end plates integrated at both ends of the battery module;
the space between the two side plates and the two end plates is configured as an embedding space of the plurality of batteries;
and two ends of the side plate are respectively connected with the end plate on the corresponding side.
Furthermore, grooves are symmetrically formed at the positions, close to the side plates, of the end plates, and mounting and fixing holes penetrating through the end plates are formed in the grooves;
one side of the side plate, which is close to the end plate, is bent towards the end plate to form a first folded edge, and one side of the side plate is bent towards the battery to form a fourth folded edge;
mounting holes are formed in the first folding edge and the position, matched with the first folding edge, of the end plate, and the first folding edge of the side plate and the end plate are connected to the mounting holes through fasteners;
the fourth folded edge of the side plate is attached to the bottom of the battery to bear a plurality of batteries.
Further, the position of the side plate matched with the groove is provided with a second folding edge extending towards the groove;
one end of the second folded edge, which is close to the groove, is provided with a third folded edge which is attached to the bottom surface of the groove;
and the third folded edge is provided with a hole matched with the mounting and fixing hole.
Further, the first bolt penetrates through the battery pack through the mounting fixing hole and is connected with the first fixing hole.
Further, a heat conduction layer is arranged between the battery pack and the corresponding box cover.
In the technical scheme, the utility model provides a pair of battery package structure has following beneficial effect:
the utility model discloses a first case lid and second case lid of battery package are equivalent to the bottom of the case and case lid, utilize the baffle to cut apart into two relatively independent chambeies that hold, and two sets of group battery are integrated respectively in the intracavity that holds that corresponds to utilize first mounting structure and second mounting structure assembly fixed, improved whole frame intensity, two sets of group batteries can make things convenient for the change and the maintenance in later stage from both sides independent installation simultaneously.
The utility model discloses an interconnect between the adjacent battery module of battery package is fixed in the first fixed orifices of baffle with the battery module through first bolt, is connected group battery and box through the second bolt, has effectively restrained the battery module along X, Y, Z three direction vibration range.
The utility model discloses a battery package is in order to be able to be with the heat transfer of battery module to the case lid department that corresponds, and the rethread case lid is to dispelling the heat outward, has integrateed the heat-conducting layer between group battery and the case lid that corresponds.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is an exploded view of a battery pack structure according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery module of a battery pack structure according to an embodiment of the present invention;
fig. 3 is a partially enlarged view of a battery pack structure according to an embodiment of the present invention;
fig. 4 is a second enlarged view of a portion of a battery pack structure according to an embodiment of the present invention;
fig. 5 is an enlarged view of a case cover of a battery pack structure according to an embodiment of the present invention.
Description of reference numerals:
1. a box body; 2. a partition plate; 3. a battery pack; 6. a heat conductive layer;
101. a first cover; 102. a second cover; 103. erecting ribs;
201. a through hole; 202. a protrusion;
301. a battery module; 302. a first connecting piece; 303. a second connecting sheet; 304. a battery; 305. a side plate; 306. an end plate; 307. a groove; 308. mounting a fixing hole; 309. a first folded edge; 310. a second folded edge; 311. thirdly, folding; 312. a fourth folded edge;
401. a first fixing hole; 402. a second fixing hole; 403. fixing a column;
501. a first bolt; 502. and a second bolt.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-5;
the battery pack structure of the present embodiment includes:
the box body 1, the interior of the box body 1 is formed into a containing cavity in a hollow mode; and
a battery pack 3 mounted in the housing chamber of the case 1;
a partition board is arranged in the box body 1, and the containing cavity is divided into two parts, namely a first containing cavity and a second containing cavity, through the partition board 2;
the number of the battery packs 3 is two, and the two battery packs 3 are respectively embedded in the first accommodating cavity and the second accommodating cavity;
two sides of the box body 1 are both in an open structure, box covers are mounted at the open structure of the box body 1, and the two box covers are respectively a first box cover 101 and a second box cover 102;
the first cover 101 is used for closing the first accommodating cavity;
the second cover 102 is used to close the second accommodating cavity.
Specifically, the embodiment discloses a novel battery pack structure, which comprises a box body 1 and two groups of battery packs 3 integrated in the box body 1; the two sides of the box body 1 are open structures, so that the battery pack 3 can be installed in the corresponding accommodating cavities, the box body 1 is divided into relatively independent accommodating cavities through the partition plates 2, namely the first accommodating cavity and the second accommodating cavity, the first box cover 101 is installed at the open structure on one side of the first accommodating cavity, and the second box cover 102 is installed at the open structure on one side of the second accommodating cavity in order to seal the corresponding accommodating cavities after the battery pack 3 is embedded. Through can independently open or confined case lid, can open the case lid that corresponds one side when one of them group battery 3 breaks down and need maintain, greatly improved the convenience of change with the maintenance. The battery pack 3 is integrated by the partition plate 2 and the case 1, and the overall structural stability can be improved.
More preferably: the box body 1 and the partition plate 2 disclosed in this embodiment are integrally formed, and the material is cast aluminum. Thereby realizing the structural reinforcement of the middle part of the box body 1.
In a preferred embodiment, at least one through hole 201 is formed on the surface of the partition board 2; the first accommodating cavity is communicated with the second accommodating cavity through a through hole 201; the partition board 2 of the present embodiment is provided with at least one through hole 201, and a plurality of through holes 201 may be provided according to the actual electrical connection circuit layout requirement, so that the wiring connection can be realized at the through holes 201. In addition, in this embodiment, the through hole 201 may not be provided, and a plug connector matching with the corresponding battery pack 3 may be directly provided to realize electrical connection.
Preferably, the battery pack 3 in the present embodiment includes:
a plurality of stacked battery modules 301; and
the battery pack 3 further includes a second connecting piece 303, a first bolt 501, and a second bolt 502;
the battery pack 3 is fixedly assembled with the partition plate 2 through a first bolt 501, and the battery pack 3 is fixedly assembled with the box body 1 through a second bolt 502.
Here, further, the composition of the battery pack 3 is illustrated, which includes a plurality of battery modules 301 arranged one on another, and a first connecting tab 302 capable of facilitating interconnection of the plurality of battery modules 301. The second connecting piece 303, the first bolt 501 and the second bolt 502 are used as connecting parts of the battery pack 3 and the box body 1 or the partition board 2, so that the installation and the structural stability of the battery pack 3 are ensured.
Preferably, the partition board 2 of the present embodiment is provided with first mounting structures at intervals at positions close to the inner wall of the box body 1;
the first mounting structure includes a projection 202 projecting toward the corresponding side case cover; and
a first fixing hole 401 formed along the extending direction of the protrusion 202;
a first bolt 501 penetrates through the battery module 301 and is tightly connected to the first fixing hole 401 to realize the assembly and fixation with the separator 2;
the box body 1 is also provided with a second mounting structure which is formed on the inner surface of the bottom of the box body 1 or the inner surfaces of the bottom and the top of the box body 1;
the second mounting structure comprises a fixing column 403 extending towards the corresponding side box cover; and
a second fixing hole 402 formed along the extending direction of the fixing post 403;
the second bolt 502 passes through the second connecting piece 303 and is tightly connected to the second fixing hole 402 to realize the assembly fixing with the case 1.
The present embodiment further defines the connection structure of the battery pack 3 with the case 1 and the partition plate 2, and the assembly of the battery pack 3 is realized by the first mounting structure and the second mounting structure described above.
Specifically, the inner surface of the bottom of the box 1, or both ends of the inner surfaces of the bottom and the top, are provided with fixing posts 403 at intervals, which extend toward the corresponding open structure, and the fixing posts 403 are provided with second fixing holes 402 toward the corresponding box cover side. The corresponding position of the partition board 2 of the present embodiment is arranged with a plurality of protrusions 202 at intervals towards the cover on the corresponding side, and the protrusions 202 are provided with first fixing holes 401. The connection between the battery pack 3 and the partition board 2 of the present embodiment is mainly through the first fixing hole 401, and the first bolt 501 penetrating through the battery pack 3 is extended to the inside after penetrating through the battery pack 3, so that one end of the bolt is directly connected to the first fixing hole 401, thereby realizing the assembly fixation with the partition board 2. And the battery pack 3 has a second connection piece 303 at a position corresponding to the fixing post 403, one end of the second connection piece 303 is connected with the battery pack 3, and the other end extends outwards and is used as a connection part of the second bolt 502 and is fastened at the second fixing hole 402 by the second connection piece 303. This achieves the assembly fixation of the battery pack 3, and the battery pack 3 can be more firmly mounted in the case 1 by the above-described first mounting structure and second mounting structure.
Preferably, the battery module 301 of the present embodiment includes:
a plurality of batteries 304;
the space between the two side plates 305 and the two end plates 306 is configured as an insertion space for the plurality of cells 304;
both ends of the side plate 305 are connected to the end plate 306 on the corresponding side.
Wherein, still further:
grooves 307 are symmetrically formed at the positions, close to the side plates 305, of the end plates 306, and mounting and fixing holes 308 penetrating through the end plates 306 are formed in the grooves 307;
a first folding edge 309 is formed by bending one side of the side plate 305 close to the end plate 306 towards the end plate 306, and a fourth folding edge 312 is formed by bending one side of the side plate 305 towards the battery 304;
mounting holes are formed in the positions, matched with the first folding edge 309, of the first folding edge 309 and the end plate 306, and the first folding edge 309 and the end plate 306 of the side plate 305 are connected to the mounting holes through fasteners;
the fourth folded edge 312 of the side plate 305 abuts the bottom of the batteries 304 to carry the plurality of batteries 304.
Next, the side plate 305 has a second flange 310 extending toward the groove 307 at a position matching the groove 307;
one end of the second folded edge 310 close to the groove 307 is provided with a third folded edge 311 attached to the bottom surface of the groove 307;
the third flange 311 is provided with a hole coaxial with the mounting hole 308.
Here, the structure of the battery module 301 is described in detail, and first, the installation space of the plurality of batteries 304 is formed by the two side plates 305 and the two end plates 306, and the side plates 305 are directly connected to the end plates 306 and together carry the plurality of batteries 304. A plurality of batteries 304 of the present embodiment are arranged side by side in close proximity to each other, the recessed groove 307 is formed at four corners of the end plate 306 so as to be recessed toward the inside of the body, and a mounting and fixing hole 308 penetrating the end plate 306 is formed in the recessed groove 307, and the mounting and fixing hole 308 serves as a mounting hole of the first bolt 501; meanwhile, the side plate 305 is connected to the end plate 306, a first folding edge 309 extends towards the end plate 306, and the first folding edge 309 and the end plate 306 are provided with matching mounting holes, and during butt joint, the side plate is directly connected by a fastener. Furthermore, in order to avoid the groove 307, the side plate 305 forms the second folded edge 310 and the third folded edge 311, and the third folded edge 311 is attached to the bottom surface of the groove 307 and directly connected with the groove by the first bolt 501, the groove 307 of the embodiment is designed to allow the convex protrusion to be embedded into the groove 307, so that the problem that the thickness of the partition board 2 is large and the occupied space is large due to the convex design is avoided, meanwhile, the nut of the bolt can also sink into the groove 307, and the space of the first accommodating cavity and the space of the second accommodating cavity are effectively saved.
After engaging the battery 304, the fourth edge 312 of the side plate 305 is positioned at the bottom of the battery 304, thereby lifting the battery 304.
Preferably, the first bolt 501 of the present embodiment penetrates the battery pack 3 through the mounting fixing hole 308 and is connected to the first fixing hole 401.
Preferably, a heat conduction layer 6 is installed between the battery pack 3 and the corresponding lid. In order to be able to transmit the heat that the during operation of group battery 3 produced to the case lid that corresponds, heat-conducting layer 6 has been installed to this embodiment between group battery 3 and case lid, and heat-conducting silica gel can be chooseed for use to the heat-conducting layer 6 of this embodiment, and in order to increase heat radiating area, the surface of case lid sets up the grudging post 103 of perpendicular to main part, and like this at the during operation, the heat that group battery 3 produced just can transmit to corresponding case lid through heat-conducting layer 6, and the outside heat dissipation of rethread case lid.
In the technical scheme, the utility model provides a pair of battery package structure has following beneficial effect:
the utility model discloses a first case lid 101 and second case lid 102 of battery package are equivalent to the bottom of the case and case lid, utilize baffle 2 to cut apart into two relatively independent chambeies that hold, and two sets of group battery 3 are integrated respectively in the intracavity that holds that corresponds to utilize first mounting structure and second mounting structure assembly fixed, improved whole frame intensity, two sets of group battery 3 can make things convenient for the change and the maintenance in later stage from both sides independent installation simultaneously.
The utility model discloses an interconnect between the adjacent battery module 301 of battery package, the first fixed orifices 401 of baffle 2 is fixed in battery module 301 through first bolt 501, is connected group battery 3 and box 1 through second bolt 502, has effectively restrained battery module 301 along X, Y, Z three direction vibration amplitude.
The utility model discloses a battery package is in order to be able to be with battery module 301's heat transfer to corresponding case lid department, and the rethread case lid is to dispelling the heat outward, has integrateed heat-conducting layer 6 between group battery 3 and the case lid that corresponds.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. Battery package structure, its characterized in that, it includes:
a box body (1), wherein the interior of the box body (1) is formed into a containing cavity in a hollow mode; and
the battery pack is arranged in the accommodating cavity of the box body (1);
a partition plate (2) is arranged in the box body (1), and the accommodating cavity is divided into two parts, namely a first accommodating cavity and a second accommodating cavity, through the partition plate (2);
the number of the battery packs (3) is two, and the two battery packs (3) are respectively embedded in the first accommodating cavity and the second accommodating cavity;
both sides of the box body (1) are in an open structure, box covers are mounted at the open structure of the box body (1), and the two box covers are respectively a first box cover (101) and a second box cover (102);
the first cover (101) is used for closing the first accommodating cavity;
the second cover (102) is used for closing the second accommodating cavity.
2. The battery pack structure according to claim 1, wherein the battery pack (3) includes:
a plurality of stacked battery modules (301); and
first connection pieces (302) through which adjacent battery modules (301) are connected;
the battery pack (3) further comprises a second connecting piece (303), a first bolt (501) and a second bolt (502);
the battery pack (3) is fixedly assembled with the partition plate (2) through the first bolt (501), and the battery pack (3) is fixedly assembled with the box body (1) through the second bolt (502).
3. The battery pack structure according to claim 2, wherein the partition is provided with first mounting structures at intervals at positions close to the inner wall of the case (1);
the first mounting structure comprises a bulge (202) protruding towards the corresponding side box cover; and
a first fixing hole (401) formed along the extending direction of the protrusion (202);
the first bolt (501) penetrates through the battery module (301) and is tightly connected with the first fixing hole (401) so as to realize assembly and fixation with the partition plate (2);
the box body (1) is also provided with a second mounting structure which is formed on the inner surface of the bottom of the box body (1) or the inner surfaces of the bottom and the top of the box body (1);
the second mounting structure comprises a fixing column (403) extending towards the corresponding side box cover; and
a second fixing hole (402) formed along the extending direction of the fixing column (403);
the second bolt (502) penetrates through the second connecting sheet (303) and is tightly connected to the second fixing hole (402) so as to realize assembling and fixing with the box body (1).
4. The battery pack structure according to claim 3, wherein the battery module (301) includes:
a plurality of batteries (304);
side plates (305) integrated on two sides of the battery module (301); and
end plates (306) integrated at both ends of the battery module (301);
the space between the two side plates (305) and the two end plates (306) is configured as a built-in space of the plurality of batteries (304);
two ends of the side plate (305) are respectively connected with the end plate (306) on the corresponding side.
5. The battery pack structure according to claim 4, wherein the end plate (306) is symmetrically formed with a groove (307) near the side plate (305), and a mounting fixing hole (308) penetrating the end plate (306) is formed in the groove (307);
a first folding edge (309) is formed by bending one side of the side plate (305) close to the end plate (306) towards the end plate (306), and a fourth folding edge (312) is formed by bending one side of the side plate (305) towards the battery (304);
mounting holes are formed in the positions, matched with the first folding edge (309), of the first folding edge (309) and the end plate (306), and the first folding edge (309) of the side plate (305) and the end plate (306) are connected to the mounting holes through fasteners;
the fourth fold (312) of the side plate (305) abuts the bottom of the battery (304) to carry a plurality of the batteries (304).
6. The battery pack structure according to claim 5, wherein a position where the side plate (305) matches the groove (307) has a second flap (310) extending toward the groove (307);
one end of the second folding edge (310) close to the groove (307) is provided with a third folding edge (311) attached to the bottom surface of the groove (307);
the third folding edge (311) is provided with a hole matched with the mounting and fixing hole (308).
7. The battery pack structure according to claim 6, wherein the first bolt (501) penetrates the battery pack (3) through the mounting fixing hole (308) and is connected to the first fixing hole (401).
8. The battery pack structure according to claim 1, wherein a heat conductive layer (6) is mounted between the battery pack (3) and the corresponding case lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199332.9U CN214589150U (en) | 2021-05-31 | 2021-05-31 | Battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199332.9U CN214589150U (en) | 2021-05-31 | 2021-05-31 | Battery pack structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589150U true CN214589150U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199332.9U Active CN214589150U (en) | 2021-05-31 | 2021-05-31 | Battery pack structure |
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| CN (1) | CN214589150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927818A (en) * | 2022-05-16 | 2022-08-19 | 北京科易动力科技有限公司 | Battery module and battery pack |
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2021
- 2021-05-31 CN CN202121199332.9U patent/CN214589150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927818A (en) * | 2022-05-16 | 2022-08-19 | 北京科易动力科技有限公司 | Battery module and battery pack |
| CN114927818B (en) * | 2022-05-16 | 2024-04-19 | 北京科易动力科技有限公司 | Battery module and battery pack |
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