CN218975685U - Battery module and battery pack - Google Patents

Battery module and battery pack Download PDF

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Publication number
CN218975685U
CN218975685U CN202223277723.5U CN202223277723U CN218975685U CN 218975685 U CN218975685 U CN 218975685U CN 202223277723 U CN202223277723 U CN 202223277723U CN 218975685 U CN218975685 U CN 218975685U
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Prior art keywords
battery
battery module
busbar
cell
module according
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CN202223277723.5U
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Chinese (zh)
Inventor
程正午
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Hubei Eve Power Co Ltd
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Hubei Eve Power Co Ltd
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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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Abstract

The utility model belongs to the technical field of batteries, and discloses a battery module and a battery pack, wherein the battery module comprises a battery core bracket, a battery core and a lifting lug, and the battery core is arranged in a battery core mounting hole of the battery core bracket so as to simplify assembly steps and reduce space occupation of the battery module; the lifting lug comprises a lifting rod mounting piece connected to the battery cell bracket, the lifting rod mounting piece is provided with a lifting groove, and the lifting rod can be inserted into the lifting groove so that the lifting tool can lift the battery module to facilitate the transportation of the battery module; in addition, the opening of the battery cell mounting hole faces upwards, and the opening of the hoisting groove faces downwards, so that the battery cell can be stably placed in the battery cell mounting hole in the hoisting process.

Description

Battery module and battery pack
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery module and a battery pack.
Background
The battery module is used as an energy storage battery, is a component of an integrated cell and a bus bar, and occupies most of the cost of the energy storage battery. At present, the demands of families on energy storage products are continuously increasing, and the existing battery modules generally have the problems of relatively complex module structure and assembly technical process and larger module outline dimension, and are not suitable for being used as household energy storage products.
To above-mentioned problem, prior art provides a battery module, and this battery module's cylinder electric core fixed mounting is in the battery bracket, and through parts such as multiple busbar and collection board with cylinder electric core series-parallel connection together to make battery module structure appearance compact, and play the effect of simplifying the assembly process. In addition, in order to satisfy the demand in places such as family, the quantity that the cylinder electric core set up is usually more, leads to this battery module's weight great, and this just leads to the battery module that prior art provided to have the problem of transportation difficulty.
Disclosure of Invention
According to one aspect of the present utility model, the present utility model provides a battery module capable of reducing space occupation, simplifying assembly processes, and solving the problem of difficulty in transportation of the battery module in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the battery module can be connected with the hoist, the hoist includes the jib, includes:
the battery cell bracket is provided with a battery cell mounting hole with an upward opening;
the battery cell is arranged in the battery cell mounting hole;
lifting lugs comprise lifting rod installation pieces connected to the battery cell support, lifting grooves are formed in the lifting rod installation pieces, openings of the lifting grooves face downwards, and lifting rods can be inserted into the lifting grooves so that the lifting rods can lift the battery modules.
As a preferable mode of the battery module, the boom mount is provided in plurality, and the boom can be simultaneously inserted into the hanging groove of a plurality of boom mounts.
As a preferable mode of the battery module, a plurality of the boom mounts are arranged in parallel and at intervals.
As the preferred scheme of battery module, the lug still including fixed set up in the connecting piece of electric core support, a plurality of the jib installed part all fixed set up in the connecting piece.
As the preferred scheme of battery module, the opening part in hoist and mount groove is equipped with the direction chamfer.
As the preferred scheme of battery module, still include connect in battery cell support's BMS, BMS is located battery cell support's side.
As the preferred scheme of battery module, still include with the busbar that electric core electricity is connected, the busbar with one of them has seted up first locating hole in the electric core support, another protruding first reference column that is equipped with, first reference column peg graft in first locating hole.
As the preferred scheme of battery module, the electric core support has the busbar mounting hole, the busbar include the busbar body with connect in the busbar connecting portion of busbar body, busbar connecting portion install in the busbar mounting hole, first locating hole is located the busbar body.
As the preferred scheme of battery module, still include collection board, collection board with one of them has seted up the second locating hole in the electric core support, another one is protruding to be equipped with the second reference column, the second reference column peg graft in the second locating hole.
According to another aspect of the present utility model, there is provided a battery pack including the above-described battery module.
The beneficial effects of the utility model are as follows:
the utility model provides a battery module which comprises a battery cell bracket, a battery cell and a lifting lug, wherein the battery cell is arranged in a battery cell mounting hole of the battery cell bracket, so that the assembly steps are simplified, and the space occupation of the battery module is reduced. The lifting lug comprises a lifting rod mounting part connected to the battery cell support, the lifting rod mounting part is provided with a lifting groove, and the lifting rod can be inserted into the lifting groove so that the lifting tool can lift the battery module to facilitate the transportation of the battery module. In addition, the opening of the battery cell mounting hole faces upwards, and the opening of the hoisting groove faces downwards, so that the battery cell can be stably placed in the battery cell mounting hole in the hoisting process.
The embodiment also provides a battery pack, including above-mentioned battery module, this battery module's electric core can be stably installed in electric core support, compact structure, and the space occupies fewly, and battery module is connected to the jib accessible lug of hoist, the transportation of battery module of being convenient for.
Drawings
Fig. 1 is a schematic view of a battery module according to an embodiment of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic diagram of a second structure of the battery module according to the embodiment of the utility model;
fig. 4 is an enlarged view at B in fig. 3;
FIG. 5 is a schematic view of the structure of the lower bracket according to the embodiment of the present utility model;
fig. 6 is a schematic view showing a part of the structure of a battery module according to an embodiment of the present utility model;
fig. 7 is an enlarged view at C in fig. 6;
fig. 8 is a schematic view showing a part of the structure of a battery module according to an embodiment of the present utility model;
fig. 9 is an enlarged view at D in fig. 8.
In the figure:
1. a cell holder; 11. a cell mounting hole; 12. an upper bracket; 13. a lower bracket; 14. a first positioning column; 15. a busbar mounting hole; 16. a second positioning column; 17. BMS mounting holes;
2. a battery cell;
3. lifting lugs; 31. a boom mount; 311. a hoisting groove; 32. a connecting piece;
4. a busbar; 41. a first positioning hole; 42. a busbar body; 43. a busbar connection portion;
5. a collection plate; 51. a second positioning hole; 52. a third positioning hole;
6. an insulating cover plate;
7. and (5) mounting the module.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
At present, the demands of families on energy storage products are continuously increasing, and the existing battery modules generally have the problems of relatively complex module structure and assembly technical process and larger module outline dimension, and are not suitable for being used as household energy storage products. The prior art provides a battery module, and this battery module's cylinder electric core fixed mounting is in the battery bracket, and through parts such as multiple busbar and collection board with cylinder electric core series-parallel connection together to make battery module structure appearance compact, and play the effect of simplifying the assembly process. In addition, in order to satisfy the demand in places such as family, the quantity that the cylinder electric core set up is usually more, leads to this battery module's weight great, and this just leads to the battery module that prior art provided to have the problem of transportation difficulty.
To above-mentioned problem, this embodiment provides battery module, can reduce space occupation, simplifies the assembly process, solves the transportation difficulty's that battery module exists among the prior art problem simultaneously.
Referring to fig. 1 to 5, the battery module in the present embodiment can be connected to a hanger, wherein the hanger includes a boom having a rod shape, and the hanger further includes a hanger body for mounting the boom. The battery module comprises a battery cell support 1 and a battery cell 2, wherein the battery cell support 1 is provided with a battery cell mounting hole 11, and the battery cell 2 is mounted in the battery cell mounting hole 11, so that the assembly steps are simplified, and the space occupation of the battery module is reduced. Optionally, the cell support 1 is made of a plastic material, and has a certain elasticity, and the cell 2 is in interference fit with the cell mounting hole 11, so that the cell 2 is stably mounted in the cell mounting hole 11, so as to avoid shaking of the cell 2.
With continued reference to fig. 1-5, the battery module further includes a lifting lug 3, the lifting lug 3 includes a lifting rod mounting member 31 connected to the battery cell holder 1, the lifting rod mounting member 31 is provided with a lifting groove 311, and the lifting rod can be inserted into the lifting groove 311, so that the lifting appliance can lift the battery module, so that the battery module can be transported or transported conveniently. In addition, the opening of the battery cell mounting hole 11 is upward, in this embodiment, the opening of the hoisting slot 311 is downward, alternatively, the opening direction of the battery cell mounting hole 11 is opposite to the opening direction of the hoisting slot 311, in this embodiment, the opening direction of the hoisting slot 311 is downward, so that the battery cell 2 can be stably placed in the battery cell mounting hole 11 in the hoisting process, and cannot fall off from the battery cell mounting hole 11.
With continued reference to fig. 1-5, the boom mount 31 is provided in plurality, and the boom can be inserted into the hoist grooves 311 of a plurality of boom mounts 31 at the same time. Alternatively, the groove wall of the hoisting groove 311 is attached to the outer wall of the boom. And the boom mount 31 is provided with at least three. The hanger bar mounting members 31 at both ends can equalize the stress of the hanger bar so that the battery module does not slide with respect to the hanger bar. In addition, the centrally located boom mount 31 may further provide support to reduce the stresses experienced by the boom mounts 31 at both ends.
With continued reference to fig. 1-5, a plurality of boom mounts 31 are arranged in parallel and spaced apart to provide more stable force to the battery module during lifting. Wherein the opening position of the hanging groove 311 should be adapted to the shape of the hanging rod so that the hanging rod can be simultaneously inserted into the hanging grooves 311 of the plurality of hanging rod mounting members 31. Optionally, the hanging rod in this embodiment is a straight rod, the plurality of hanging grooves 311 are all formed in the middle portion of the hanging rod mounting member 31, and the shapes and the sizes of the plurality of hanging grooves 311 are consistent, so that the hanging rod can be simultaneously inserted into the hanging grooves 311 of the plurality of hanging rod mounting members 31, and the stress is balanced.
With continued reference to fig. 1-5, the lifting lug 3 further includes a connecting member 32 fixedly disposed on the cell support 1, and the plurality of boom mounting members 31 are fixedly disposed on the connecting member 32, so as to increase the overall structural strength of the lifting lug 3 and prevent the boom mounting members 31 from being deformed under stress.
With continued reference to fig. 1-5, the opening of the lifting groove 311 is provided with a guiding chamfer, specifically, the opening of the lifting groove 311 is gradually increased in size along the vertical direction, and the lifting rod can be guided into the lifting groove 311 through the guiding chamfer, so that the lifting rod can be conveniently installed.
With continued reference to fig. 1-5, the cell holder 1 includes an upper holder 12 and a lower holder 13 detachably connected to the upper holder 12, and the cell mounting hole 11 is formed in the lower holder 13. Specifically, the upper bracket 12 and the lower bracket 13 may be connected by self-tapping screws, so as to avoid machining threaded holes in the upper bracket 12 or the lower bracket 13, and further simplify the assembly process. In addition, the lifting lug 3 is connected to the upper bracket 12, and the battery cell mounting hole 11 is positioned on the lower bracket 13.
With continued reference to fig. 1-5, the battery module further includes a BMS (Battery Management System ) connected to the cell holder 1, the BMS being located at a side of the cell holder 1. Wherein, BMS can dismantle and connect in electric core support 1, specifically BMS mounting hole 17 has been seted up to electric core support 1's side, BMS accessible screw or pin installation in electric core support 1. Alternatively, a part of the BMS mounting holes 17 is located at the upper rack 12 and another part of the BMS mounting holes 17 is located at the lower rack 13 so that the BMS is mounted at the side of the cell rack 1.
Referring to fig. 1 to 9, the battery module further includes a busbar 4 electrically connected to the battery cell 2, and optionally, the busbar 4 is fixedly connected to the battery cell 2, specifically, through a laser penetration welding process, so as to ensure reliability and high efficiency of welding. One of the bus bar 4 and the cell support 1 is provided with a first positioning hole 41, the other one is convexly provided with a first positioning column 14, and the first positioning column 14 is inserted into the first positioning hole 41 so as to realize the positioning of the bus bar 4 relative to the cell support 1. In this embodiment, the first positioning hole 41 is formed in the busbar 4, and the first positioning post 14 is protruding from the cell holder 1. Optionally, a plurality of buses 4 and the battery cells 2 are provided, and the plurality of buses 4 are used for connecting the plurality of battery cells 2 in series or in parallel.
With continued reference to fig. 1-9, the cell holder 1 has a busbar mounting hole 15, and the busbar 4 includes a busbar body 42 and a busbar connection portion 43 connected to the busbar body 42, the busbar connection portion 43 being mounted to the busbar mounting hole 15, the first positioning hole 41 being located in the busbar body 42. One busbar 4 includes a busbar body 42 and a plurality of busbar connection portions 43, and busbar mounting holes 15 are also provided correspondingly in plurality, and busbar mounting holes 15 and busbar connection portions 43 are in one-to-one correspondence, and first positioning posts 14 are located between two busbar mounting holes 15 and are inserted into first positioning holes 41 located in busbar body 42.
With continued reference to fig. 1-9, the battery module further includes an acquisition board 5, one of the acquisition board 5 and the battery cell support 1 is provided with a second positioning hole 51, the other is provided with a second positioning column 16 in a protruding manner, and the second positioning column 16 is inserted into the second positioning hole 51 so as to realize positioning of the acquisition board 5 relative to the battery cell support 1, and the acquisition board 5 is used for acquiring information such as voltage, current, temperature and the like of the battery cell 2. In this embodiment, the second positioning hole 51 is formed in the collecting plate 5, and the second positioning post 16 is protruding from the cell support 1.
Optionally, the collecting plate 5 is provided with a third positioning hole 52, the first positioning column 14 is simultaneously inserted into the first positioning hole 41 of the busbar 4 and the third positioning hole 52 of the collecting plate 5, so as to enhance the positioning effect, and the relative positions of the busbar 4 and the collecting plate 5 can be kept fixed by the first positioning column 14.
Optionally, the battery module further includes an insulating cover plate 6, the insulating cover plate 6 is connected to the battery core support 1, the collecting plate 5 is located between the battery core 2 and the insulating cover plate 6 and is covered by the insulating cover plate 6, specifically, the projection of the collecting plate 5 along the vertical direction is located in the projection range of the insulating cover plate 6 along the vertical direction. The insulating cover plate 6 is used for isolating components such as the battery cell 2, the busbar 4, the acquisition plate 5 and the like from the outside, so that the safety performance is improved. Optionally, the electric core 2, the busbar 4, the collection plate 5 and the insulating cover plate 6 are sequentially arranged from bottom to top along the vertical direction, and the busbar 4, the collection plate 5 and the insulating cover plate 6 are respectively provided with two and are respectively positioned at the upper end and the lower end of the electric core 2.
The embodiment also provides a battery pack, including above-mentioned battery module, this battery module's electric core 2 can be stably installed in electric core support 1, compact structure, and the space occupies fewly, and the battery module is connected to the jib accessible lug 3 of hoist, the transportation of battery module of being convenient for.
Optionally, the battery pack further includes a case, and the lower bracket 13 of the battery core bracket 1 is further provided with a module mounting pin 7, and the module mounting pin 7 is detachably connected with the case through a structure such as a bolt, so that the battery module is mounted in the case.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The battery module can be connected with the hoist, the hoist includes the jib, its characterized in that includes:
the battery cell bracket (1) is provided with a battery cell mounting hole (11) with an upward opening;
the battery cell (2) is arranged in the battery cell mounting hole (11);
lifting lug (3), including connect in jib installed part (31) of electric core support (1), hoist and mount groove (311) have been seted up to jib installed part (31), the opening in hoist and mount groove (311) is down, the jib can insert hoist and mount groove (311), so that the hoist can hoist battery module.
2. The battery module according to claim 1, wherein the hanger bar mounting member (31) is provided in plurality, and the hanger bar is capable of being simultaneously inserted into the hanging grooves (311) of a plurality of the hanger bar mounting members (31).
3. The battery module according to claim 2, wherein a plurality of the boom mounts (31) are arranged in parallel and at intervals.
4. The battery module according to claim 2, wherein the lifting lug (3) further comprises a connecting piece (32) fixedly arranged on the cell holder (1), and a plurality of boom mounting pieces (31) are fixedly arranged on the connecting piece (32).
5. The battery module according to claim 1, wherein a guide chamfer is provided at an opening of the hanging groove (311).
6. The battery module according to any one of claims 1 to 5, further comprising a BMS connected to the cell holder (1), the BMS being located at a side of the cell holder (1).
7. The battery module according to any one of claims 1 to 5, further comprising a busbar (4) electrically connected to the battery cell (2), wherein one of the busbar (4) and the battery cell holder (1) is provided with a first positioning hole (41), the other is provided with a first positioning post (14) in a protruding manner, and the first positioning post (14) is inserted into the first positioning hole (41).
8. The battery module according to claim 7, wherein the cell holder (1) has a busbar mounting hole (15), the busbar (4) includes a busbar body (42) and a busbar connection portion (43) connected to the busbar body (42), the busbar connection portion (43) is mounted to the busbar mounting hole (15), and the first positioning hole (41) is located in the busbar body (42).
9. The battery module according to any one of claims 1-5, further comprising a collection plate (5), wherein one of the collection plate (5) and the cell support (1) is provided with a second positioning hole (51), the other is provided with a second positioning column (16) in a protruding manner, and the second positioning column (16) is inserted into the second positioning hole (51).
10. Battery pack, characterized in that it comprises a battery module according to any one of claims 1-9.
CN202223277723.5U 2022-12-07 2022-12-07 Battery module and battery pack Active CN218975685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223277723.5U CN218975685U (en) 2022-12-07 2022-12-07 Battery module and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223277723.5U CN218975685U (en) 2022-12-07 2022-12-07 Battery module and battery pack

Publications (1)

Publication Number Publication Date
CN218975685U true CN218975685U (en) 2023-05-05

Family

ID=86150306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223277723.5U Active CN218975685U (en) 2022-12-07 2022-12-07 Battery module and battery pack

Country Status (1)

Country Link
CN (1) CN218975685U (en)

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