CN218975688U - Battery module and power battery pack - Google Patents

Battery module and power battery pack Download PDF

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Publication number
CN218975688U
CN218975688U CN202222717524.5U CN202222717524U CN218975688U CN 218975688 U CN218975688 U CN 218975688U CN 202222717524 U CN202222717524 U CN 202222717524U CN 218975688 U CN218975688 U CN 218975688U
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China
Prior art keywords
fixing
battery
fixed
strip
battery module
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CN202222717524.5U
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Chinese (zh)
Inventor
杨奇胜
李刚
张龙华
韩振亚
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Dongguan Langtaitong Technology Co ltd
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Dongguan Langtaitong Technology 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 provides a battery module and a power battery pack, wherein the battery module comprises a plurality of single batteries, a plurality of connecting sheets, two first fixing plates and two second fixing plates, wherein the single batteries are arranged in parallel; the connection piece sets up in the tip of battery cell, the connection piece connects adjacent battery cell's tip and realizes electric connection between the adjacent battery cell, two first fixed plate sets up relatively and is fixed in two tip of a plurality of battery cell respectively, two the second fixed plate sets up relatively and is fixed in one side of arranging the back two battery cells that lie in the border position respectively, the both ends of first fixed plate are provided with first fixed strip, the both ends of second fixed plate are provided with the second fixed strip, first fixed strip with the second fixed strip passes through bolt fixed connection. The utility model has simple fixing structure and reliable fixing mode, and can improve the production efficiency.

Description

Battery module and power battery pack
[ field of technology ]
The utility model relates to the technical field of batteries, in particular to a battery module and a power battery pack.
[ background Art ]
With the development of new energy technology, power batteries (e.g., lithium ion batteries) have been widely used in technical fields such as electric vehicles. In general, in order to achieve the voltage and the capacity of practical requirements, a plurality of single batteries are assembled after being connected in series and/or in parallel to form a battery module, and the fixing structure of the existing battery module is complex, time-consuming and labor-consuming, and low in production efficiency.
In view of the foregoing, it is desirable to provide a novel battery module and a power battery pack to overcome the above-mentioned drawbacks.
[ utility model ]
The utility model aims to provide a battery module and a power battery pack, wherein the battery module is simple in fixing structure and reliable in fixing mode, and the production efficiency can be improved.
In order to achieve the above object, in a first aspect, the present utility model provides a battery module, including a plurality of unit cells arranged in parallel, a plurality of connecting pieces, two first fixing plates and two second fixing plates; the connection piece sets up in the tip of battery cell, the connection piece connects adjacent battery cell's tip and realizes electric connection between the adjacent battery cell, two first fixed plate sets up relatively and is fixed in two tip of a plurality of battery cell respectively, two the second fixed plate sets up relatively and is fixed in one side of arranging the back two battery cells that lie in the border position respectively, the both ends of first fixed plate are provided with first fixed strip, the both ends of second fixed plate are provided with the second fixed strip, first fixed strip with the second fixed strip passes through bolt fixed connection.
In a preferred embodiment, the edge of the first fixing plate extends to form the first fixing strip, the first fixing strip is bent to form a rectangular body, the rectangular body comprises a first side face and a second side face which are opposite, and the first side face abuts against the single battery at the edge position.
In a preferred embodiment, the second fixing plate is provided with a notch, a first end of the second fixing strip is connected with one side of the notch, and a second end of the second fixing strip abuts against the second side surface of the rectangular body after being bent.
In a preferred embodiment, the bolt passes through the second side of the rectangular body and the second end of the second fixing strip and locks the first fixing plate and the second fixing plate.
In a preferred embodiment, the first fixing plate is provided with a plurality of windows.
In a preferred embodiment, a third fixing strip is protruding from one side of the second fixing plate away from the single battery, and the third fixing strip is used for being fixedly connected with a box body for accommodating the battery module.
In a second aspect, the present utility model provides a power battery pack, including a case and a plurality of battery modules according to any one of the first aspects, where the case has an accommodating space, and the plurality of battery modules are accommodated in the accommodating space, and the plurality of battery modules are electrically connected through connecting pieces.
In a preferred embodiment, the case includes two side plates disposed opposite to each other, the side plates are convexly provided with protrusions, and the protrusions are fixedly connected with the battery module through bolts.
Compared with the prior art, the battery module and the power battery pack provided by the utility model have the advantages that the battery module comprises a plurality of single batteries which are arranged in parallel, a plurality of connecting sheets, two first fixing plates and two second fixing plates, wherein the connecting sheets can be used for connecting and fixing adjacent single batteries and can realize electric connection between the adjacent single batteries, the two first fixing plates are oppositely arranged and are respectively fixed at two end parts of the plurality of single batteries, the two second fixing plates are oppositely arranged and are respectively fixed at one sides of the two single batteries which are arranged at the edge positions, the two first fixing plates and the two second fixing plates can clamp the single batteries which are arranged in parallel, the two ends of the first fixing plates are provided with first fixing strips, the two ends of the second fixing plates are provided with second fixing strips, and the first fixing strips and the second fixing strips are fixedly connected through bolts.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a battery module according to the present utility model;
fig. 2 is an enlarged view of the battery module a shown in fig. 1;
FIG. 3 is a perspective view of a power battery pack according to the present utility model;
FIG. 4 is a partial perspective view of a power battery pack according to the present utility model;
fig. 5 is a perspective view of a further part of the power battery pack according to the present utility model.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model 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 utility model, as 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 made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
Referring to fig. 1, a perspective view of a battery module 100 according to the present utility model is shown. The battery module 100 provided by the utility model has a simple fixing structure and a reliable fixing mode, and can improve the production efficiency.
The battery module 100 includes a plurality of unit batteries 10 arranged in parallel, a plurality of connecting pieces 20, two first fixing plates 30, and two second fixing plates 40. The connection piece 20 sets up in the tip 11 of battery cell 10, the tip 11 of adjacent battery cell 10 is connected to the connection piece 20 and realizes electric connection between the adjacent battery cell 10, two first fixed plate 30 set up relatively and are fixed in the two tip of a plurality of battery cell 10 respectively, two second fixed plate 40 set up relatively and are fixed in the one side of arranging the back two battery cells 10 that lie in the border position respectively, the both ends of first fixed plate 30 are provided with first fixed strip 31, the both ends of second fixed plate 40 are provided with second fixed strip 41, first fixed strip 31 with second fixed strip 41 passes through bolt 50 fixed connection.
It can be appreciated that the plurality of single batteries 10 are arranged in parallel, the connecting piece 20 is disposed at the end 11 of the single battery 10, the connecting piece 20 is connected with the end 11 of the adjacent single battery 10, and can realize electrical connection between the adjacent single batteries 10, the electrical connection includes serial connection/parallel connection, two first fixing plates 30 are respectively fixed at two ends of the plurality of single batteries 10, two second fixing plates 40 are respectively fixed at one sides of the two single batteries 10 at the edge positions after being arranged, namely, the two first fixing plates 30 and the two second fixing plates 40 can clamp the plurality of single batteries 10 arranged in parallel, further, the two ends of the first fixing plates 30 are provided with first fixing strips 31, the two ends of the second fixing plates 40 are provided with second fixing strips 41, the first fixing strips 31 and the second fixing strips 32 are fixedly connected through bolts 50, and the first fixing strips 31 and the second fixing strips 32 can fixedly connect the adjacent first fixing plates 30 and the second fixing plates 40, so as to realize that the first fixing plates 30 and the second fixing plates 40 fixedly connect the plurality of single batteries 10.
Therefore, the battery module 100 provided by the utility model comprises a plurality of parallel arranged single batteries 10, a plurality of connecting sheets 20, two first fixing plates 30 and two second fixing plates 40, wherein the connecting sheets 20 can be used for connecting and fixing adjacent single batteries 10 and can realize electric connection between the adjacent single batteries 10, the two first fixing plates 30 are oppositely arranged and are respectively fixed at two ends of the plurality of single batteries 10, the two second fixing plates 40 are oppositely arranged and are respectively fixed at one side of the two single batteries 10 which are arranged at the edge position, the two first fixing plates 30 and the two second fixing plates 40 can clamp the plurality of single batteries 10 which are arranged in parallel, the two ends of the first fixing plates 30 are provided with first fixing strips 31, the two ends of the second fixing plates 40 are provided with second fixing strips 41, the first fixing strips 31 and the second fixing strips 32 are fixedly connected through bolts 50, the first fixing strips 31 and the second fixing strips 32 can be used for connecting the adjacent first fixing plates 30 and the second fixing plates 40 and further realizing the fixing of the plurality of single batteries 10 in a simple production mode, and the production and fixing of the battery module 100 can be further fixed.
Specifically, the number of the connecting pieces 20 is plural, and the connecting pieces 20 can fix adjacent single batteries 10 on one hand and can realize the electrical connection of the adjacent single batteries on the other hand. In the present embodiment, the connection piece 20 includes a first fixing portion 21, a connection portion 22, and a second fixing portion 23, the first fixing portion 21 and the second fixing portion 23 are fixed to end portions of adjacent unit batteries, respectively, and the connection portion 22 is located between the first fixing portion 21 and the second fixing portion 23 and is used for connecting the first fixing portion 21 and the second fixing portion 23.
Referring to fig. 2, the edge of the first fixing plate 30 extends to form the first fixing strip 31, and the first fixing strip 31 is bent to form a rectangular body, specifically, three times of bending are performed, the rectangular body includes a first side 311 and a second side 312 opposite to each other, the first side 311 abuts against the unit cell 10 located at the edge position, specifically, the first side 311 and the second side 312 are spaced apart and arranged in parallel.
In this embodiment, the first fixing plate 30 is provided with a plurality of windows 301, the plurality of windows 301 can leak out the end 11 of the unit battery 10, and the plurality of windows 301 are beneficial to the weight reduction of the battery module 100.
Further, the second fixing plate 40 is provided with a notch 401, a first end 411 of the second fixing strip 41 is connected to one side of the notch 401, and a second end 412 of the second fixing strip 41 abuts against the second side 312 of the rectangular body after being bent. The bolt 50 passes through the second side 312 of the rectangular body and the second end 412 of the second fixing strip 41 and locks the first fixing plate 30 and the second fixing plate 40. As can be appreciated, the second end 412 of the second fixing strip 41 abuts against the second side 312 of the rectangular body, and the first side 311 and the second side 312 are spaced apart, so that the bolt 50 is facilitated to pass through the second side 312 of the rectangular body and the second end 412 of the second fixing strip 41 and be locked, and the first side 311 can protect the single battery 10 located at the edge position and prevent the bolt 50 from damaging the single battery 10.
In this embodiment, a third fixing strip 42 is protruding from a side of the second fixing plate 40 away from the unit cell 10, and the third fixing strip 42 is fixedly connected to a case housing the battery module 100.
Referring to fig. 3 to 5, the present utility model further provides a power battery pack 200, which includes a case 201 and a plurality of battery modules 100 according to any one of the foregoing embodiments, wherein the case 201 has a receiving space 202, and the plurality of battery modules 100 are received in the receiving space 202, and the plurality of battery modules 100 are electrically connected through connecting pieces 20.
Further, the case 201 is a rectangular body, the case 201 includes two side plates 203 that are disposed opposite to each other, the side plates 203 are convexly provided with a bump 204, and the bump 204 is fixedly connected with the battery module 100 through a bolt. Specifically, in the battery module 100, a third fixing strip 42 is protruding from a side of the second fixing plate 40 away from the unit battery 10, the third fixing strip 42 is clamped on the bump 204, and the third fixing strip 42 is fixedly connected with the bump 204 through a bolt, so as to fix the battery module 100 in the box 201.
It is understood that all embodiments of the battery module 100 provided by the present utility model are applicable to the power battery pack 200 provided by the present utility model, and the same or similar technical effects can be achieved.
In summary, the battery module 100 and the power battery pack 200 provided by the utility model, the battery module 100 includes a plurality of parallel arranged single batteries 10, a plurality of connecting sheets 20, two first fixing plates 30 and two second fixing plates 40, the connecting sheets 20 can connect and fix adjacent single batteries 10, and can realize electrical connection between adjacent single batteries 10, the two first fixing plates 30 are oppositely arranged and respectively fixed at two ends of the plurality of single batteries 10, the two second fixing plates 40 are oppositely arranged and respectively fixed at one side of the two single batteries 10 arranged at the edge position, the two first fixing plates 30 and the two second fixing plates 40 can clamp the parallel arranged single batteries 10, the two ends of the first fixing plates 30 are provided with first fixing strips 31, the two ends of the second fixing plates 40 are provided with second fixing strips 41, the first fixing strips 31 and the second fixing strips 32 are fixedly connected through bolts 50, in such a way that the first fixing strips 31 and the second fixing strips 32 can connect the adjacent single batteries 10 and the two single batteries 30 at the edge position, and the two fixing plates 40 can be fixed by the first fixing plates 30 and the second fixing plates 40, and the production of the battery module can be fixed in a simple manner, and the fixing of the adjacent single batteries 30 can be realized, and the fixing efficiency of the two fixing plates can be improved.
The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (8)

1. The battery module is characterized by comprising a plurality of single batteries, a plurality of connecting sheets, two first fixing plates and two second fixing plates, wherein the single batteries are arranged in parallel; the connection piece sets up in the tip of battery cell, the connection piece connects adjacent battery cell's tip and realizes electric connection between the adjacent battery cell, two first fixed plate sets up relatively and is fixed in two tip of a plurality of battery cell respectively, two the second fixed plate sets up relatively and is fixed in one side of arranging the back two battery cells that lie in the border position respectively, the both ends of first fixed plate are provided with first fixed strip, the both ends of second fixed plate are provided with the second fixed strip, first fixed strip with the second fixed strip passes through bolt fixed connection.
2. The battery module of claim 1, wherein the edge of the first fixing plate extends to form the first fixing strip, the first fixing strip is bent to form a rectangular body, the rectangular body comprises a first side face and a second side face which are opposite, and the first side face abuts against the single battery at the edge position.
3. The battery module of claim 2, wherein the second fixing plate is provided with a notch, a first end of the second fixing strip is connected to one side of the notch, and a second end of the second fixing strip abuts against the second side surface of the rectangular body after being bent.
4. The battery module of claim 3, wherein the bolt passes through the second side of the rectangular body and the second end of the second fixing bar and locks the first fixing plate and the second fixing plate.
5. The battery module of claim 1, wherein the first fixing plate is provided with a plurality of fenestrations.
6. The battery module of claim 1, wherein a third fixing strip is convexly arranged on one side of the second fixing plate, which is far away from the single battery, and the third fixing strip is used for being fixedly connected with a box body for accommodating the battery module.
7. A power battery pack, characterized by comprising a box body and a plurality of battery modules according to any one of claims 1-6, wherein the box body is provided with an accommodating space, the plurality of battery modules are accommodated in the accommodating space, and the plurality of battery modules are electrically connected through connecting sheets.
8. The power battery pack according to claim 7, wherein the case includes two side plates disposed opposite to each other, the side plates are provided with protrusions fixedly connected to the battery module by bolts.
CN202222717524.5U 2022-10-14 2022-10-14 Battery module and power battery pack Active CN218975688U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222717524.5U CN218975688U (en) 2022-10-14 2022-10-14 Battery module and power battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222717524.5U CN218975688U (en) 2022-10-14 2022-10-14 Battery module and power battery pack

Publications (1)

Publication Number Publication Date
CN218975688U true CN218975688U (en) 2023-05-05

Family

ID=86150947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222717524.5U Active CN218975688U (en) 2022-10-14 2022-10-14 Battery module and power battery pack

Country Status (1)

Country Link
CN (1) CN218975688U (en)

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