CN211350778U - Battery module housing and battery module - Google Patents
Battery module housing and battery module Download PDFInfo
- Publication number
- CN211350778U CN211350778U CN202020393278.0U CN202020393278U CN211350778U CN 211350778 U CN211350778 U CN 211350778U CN 202020393278 U CN202020393278 U CN 202020393278U CN 211350778 U CN211350778 U CN 211350778U
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- battery module
- shell
- busbar
- battery
- housing
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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
Abstract
The utility model relates to the technical field of power batteries, and discloses a battery module shell and a battery module, the battery module shell comprises a shell body and a busbar, the shell body is provided with a holding cavity capable of accommodating an electric core, the outer wall of the shell body is provided with a holding groove, and the holding groove is provided with a first through hole for exposing a polar column of the electric core; the busbar set up in the holding recess, and the busbar inlays in the holding recess, be provided with the confession on the busbar the naked second through-hole of utmost point post of electric core. The bus bar in the battery module shell is embedded on the shell body, so that the bus bar is not easy to fall off, and the safety of the battery module is improved. Through set up above-mentioned battery module shell in the battery module, can improve the life and the safety in utilization of battery module.
Description
Technical Field
The utility model relates to a power battery technical field specifically relates to a battery module shell and battery module.
Background
The battery module includes the shell and assembles a plurality of electric cores in the shell, and the battery module still includes the busbar in order to realize the electricity between a plurality of electric cores and be connected.
With the vigorous development of the communication industry, the types and the number of communication equipment are more and more, the requirement on an uninterruptible power supply for a communication machine room is higher and higher, and the lead-acid battery is difficult to meet the requirement of an emergency power supply of the machine room. Cylindrical lithium ion batteries are increasingly accepted in the industry due to their high energy density and flexible arrangement.
Taking a battery module assembled with a cylindrical lithium ion battery cell as an example, the housing of the battery module and the bus bar are basically adhered and fixed by structural adhesive. However, when the battery module is used for a long time, the structural adhesive is inevitably aged, so that the bus bar is easy to fall off, and potential safety hazards are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the busbar of the battery module that prior art exists very easily drops and causes the potential safety hazard, providing a battery module shell, the busbar in this battery module shell inlays on the shell body, and like this, the busbar is difficult for droing to the security of battery module has been improved.
In order to achieve the above object, an aspect of the present invention provides a battery module housing, the battery module housing includes:
the battery comprises a shell body, a first electrode and a second electrode, wherein the shell body is provided with an accommodating cavity capable of accommodating a battery cell, the outer wall of the shell body is provided with an accommodating groove, and the accommodating groove is provided with a first through hole for exposing a pole of the battery cell; and
the busbar, the busbar set up in the holding recess, and the busbar inlays in the holding recess, be provided with the confession on the busbar the naked second through-hole of utmost point post of electric core.
According to the technical scheme, the bus bar is embedded into the accommodating groove, so that the bus bar is firmly connected to the shell body, the bus bar is not easy to fall off, and the use safety of the battery module is improved.
Preferably, the housing body is a plastic piece, the bus bar is a conductive piece, and the housing body and the bus bar are formed as an injection-molded integral piece.
Preferably, the housing body has an opening through which the battery cell enters the accommodating chamber, and a flange extending towards the accommodating chamber is arranged at the opening;
the battery module shell including set up in the lug that can be connected with other part electricity of busbar, the lug orientation the turn-ups extends and overlaps in the turn-ups.
Preferably, the connecting lug comprises a first connecting part attached to the outer wall of the shell body and a second connecting part connected to the first connecting part and attached to the flange;
the outer wall of the shell body is provided with a communicating groove which can contain the first connecting portion and is communicated with the containing groove, and the top of the communicating groove is provided with a penetrating opening for the first connecting portion to penetrate through.
Preferably, the battery module housing includes a pair of the bus bars, the pair of the bus bars being respectively oppositely disposed to a pair of side walls of the housing body which are opposite to each other; or
The battery module shell comprises a plurality of pairs of bus bars, the bus bars are distributed at intervals along the length direction of the shell body, and the pairs of bus bars are respectively oppositely arranged on a pair of side walls of the shell body, which are opposite to each other.
Preferably, the battery module shell is arranged on the insulating cover plate of the accommodating groove in a covering mode, and a third through hole for exposing a pole of the battery cell is formed in the insulating cover plate.
Preferably, the housing body includes a first half shell and a second half shell opposite to and spaced from the first half shell, the first half shell and the second half shell jointly define the accommodating chamber, the housing body includes an installation portion capable of fixing the first half shell and the second half shell to each other.
Preferably, the mounting portion includes a first mounting arm having a card interface and a second mounting arm having a card boss that can be snapped into the card interface, wherein: the first mounting arm is disposed on the first half shell, and the second mounting arm is disposed on the second half shell; and/or
The battery module shell is including setting up in a pair of support cover on the wall relative to each other of first half shell with the second half shell, the support cover has the confession the mouth that stretches into that the corresponding tip of electricity core stretches into, and is a pair of the support cover can support same jointly electricity core.
The utility model discloses the second aspect provides a battery module, battery module includes the utility model provides a battery module shell with assemble in electric core in the battery module shell. Through set up in the battery module the utility model provides a battery module shell can improve the life and the safety in utilization of battery module.
Preferably, the battery module includes an electrical connector connecting the post and the bus bar, the electrical connector including a fuse.
Drawings
Fig. 1 is a schematic perspective view of a battery module according to a preferred embodiment of the present invention;
fig. 2 is a schematic perspective view of a battery module case according to a preferred embodiment of the present invention;
fig. 3 is a perspective view illustrating another angle of the battery module case shown in fig. 2.
Description of the reference numerals
10-a battery module housing; 11-an insulating cover plate; 110-a third via; 12-a housing body; 120-a first half-shell; 122-a second half-shell; 130-a first mounting arm; 132-a second mounting arm; 134-clamping the boss; 14-a busbar; 15-a support cage; 16-flanging; 18-engaging lugs; 180-a first connection; 182-a second connection portion; 20-a battery module; 22-electric core; 24-fuse.
Detailed Description
In the present invention, the use of directional terms such as "upper, lower, left and right" in the absence of a contrary explanation generally means that the orientation shown in the drawings and the actual application is understood in conjunction with the orientation shown in the drawings. "inner and outer" refer to the inner and outer contours of the component.
The utility model provides a battery module shell, battery module shell 10 include shell body 12 and busbar 14. As shown in fig. 1, the casing body 12 has an accommodating chamber capable of accommodating the battery cell 22, and an accommodating groove is formed in an outer wall of the casing body 12, and a first through hole for exposing a pole of the battery cell 22 is formed in the accommodating groove; the busbar 14 set up in the holding recess to the busbar 14 inlays in the holding recess, be provided with the naked second through-hole of the utmost point post that supplies electric core 22 on the busbar 14, it can be understood that, electric core 22's utmost point post pass shown first through-hole and expose outside battery module shell 10 behind the second through-hole, wherein, the periphery and the busbar 14 insulating connection of electric core 22's utmost point post. By embedding the bus bar 14 in the accommodating groove, the bus bar 14 can be firmly connected to the housing body 12, so that the bus bar 14 is not easy to fall off, and the use safety of the battery module is improved.
In order to facilitate the preparation of the battery module housing 10 and to enable the bus bars 14 to be more securely connected to the housing body 12, the housing body 12 may be a plastic member, the housing body 12 may be an insulating member, the bus bars 14 may be a conductive member, for example, the bus bars 14 may be aluminum bars, and the housing body 12 and the bus bars 14 may be formed as an injection-molded integral member.
As shown in fig. 1 and fig. 2, the housing body 12 has an opening for the battery cell 22 to enter the accommodating chamber, and a flange 16 extending toward the accommodating chamber may be provided at the opening; the bus bar 14 may be provided with a connecting lug 18 capable of being electrically connected with other components, it is understood that the connecting lug 18 may be electrically connected with other components of the battery module 20, the connecting lug 18 may extend toward the flange 16 and overlap the flange 16, and the electrical connection between the connecting lug 18 and other components of the battery module 20 may be facilitated by providing the flange 16.
Meanwhile, the attachment lug 18 may include a first attachment portion 180 attached to the outer wall of the housing body 12 and a second attachment portion 182 attached to the first attachment portion 180 and attached to the flange 16. Preferably, the engaging lug 18 may be formed as a single piece.
In order to facilitate the arrangement of the first connecting portion 180, a communicating groove capable of accommodating the first connecting portion 180 and communicating with the accommodating groove may be arranged on the outer wall of the housing body 12, and a top of the communicating groove has a passing opening for the first connecting portion 180 to pass through, that is, one end of the communicating groove far away from the accommodating groove is formed as an open end so that the first connecting portion 180 passes through and the second connecting portion 182 overlaps the flange 16. By providing the communication groove, the first connection portion 180 can be stably disposed on the housing body 12.
It should be noted that a plurality of bus bars 14 may be disposed on the housing body 12 for series-parallel connection of a plurality of battery cells 22, the housing body 12 may be rectangular, and the plurality of bus bars 14 may be distributed at intervals along the length direction of the battery module housing 10.
In addition, the battery module housing 10 may include a pair of bus bars 14, and the pair of bus bars 14 may be respectively disposed opposite to a pair of sidewalls 100 of the housing body 12, which are opposite to each other.
It is understood that a plurality of pairs of bus bars 14 may be disposed on the housing body 12, the plurality of pairs of bus bars 14 may be spaced apart along the length of the housing body 12, and the pairs of bus bars 14 may be disposed opposite to a pair of sidewalls 100 of the housing body 12 opposite to each other, respectively.
In order to protect the bus bar 14, an insulating cover plate 11 may be disposed, the insulating cover plate 11 may be covered on the accommodating groove, and in addition, a third through hole 110 for exposing the pole of the battery cell 22 may be disposed on the insulating cover plate 11, so that the pole of the battery cell 22 is exposed outside the battery module housing 10. It is understood that when a plurality of bus bars 14 are provided, a plurality of the insulating cover plates 11 may be provided to cover the corresponding receiving grooves, respectively. The insulating cover plate 11 may be made of an insulating material such as plastic.
The housing body 12 may include a first half-shell 120 and a second half-shell 122 disposed opposite and spaced apart from the first half-shell 120, the first half-shell 120 and the second half-shell 122 collectively defining the accommodating chamber, and the housing body 12 may include a mounting portion capable of fixing the first half-shell 120 and the second half-shell 122 to each other. It will be appreciated that the circumferential walls of the first and second half shells 120, 122 may be formed as flanges 16 and the second coupling portions 182 of the engaging lugs 18 may be placed over the circumferential wall of the first or second half shell 120, 122. In addition, it is also noted that the mutually opposing walls of the first and second half- shells 120, 122 are respectively formed as a pair of side walls 100.
As shown in fig. 1, 2 and 3 in combination, the mounting portion may include a first mounting arm 130 having a card interface and a second mounting arm 132 having a card boss 134 into which the card interface can be snapped, wherein: the first mounting arm 130 may be disposed on the first half-shell 120 and the second mounting arm 132 may be disposed on the second half-shell 122, thereby facilitating securing the first and second half- shells 120, 122 to one another. Preferably, a plurality of said mounting portions may be provided spaced apart along the length of the housing body 12 to further provide stability. In addition, can set up two sets of the installation department, two sets of the installation department sets up respectively in the bottom and the top of casing body 12, every group the installation department includes a plurality of the installation department.
In order to facilitate the installation of the battery cell 22, a pair of support covers 15 may be disposed on the walls of the first half shell 120 and the second half shell 122 opposite to each other, both ends of the support covers 15 are formed in an open shape, the support covers 15 have insertion openings into which the corresponding ends of the battery cell 22 are inserted, it is understood that both ends of the battery cell 22 are inserted into the pair of support covers 15, and the pair of support covers 15 may support the same battery cell 22 together. It is to be noted that a plurality of pairs of support covers 15 may be provided to support the respective battery cells 22, respectively.
The utility model also provides a battery module, battery module 20 includes the utility model provides a battery module shell 10 and the electric core 22 of assembling in battery module shell 10, electric core 22's utmost point post can pass first through-hole with the second through-hole comes with exposing. Through setting up in battery module 20 the utility model provides a battery module shell 10 can improve battery module 20's life and safety in utilization.
As shown in fig. 1, the battery module 20 may include an electrical connector connecting the terminal and the bus bar 14, the electrical connector may include a fuse 24, for example, the fuse 24 may be an aluminum piece, and the fuse 24 may be rapidly fused under a high current condition, so as to improve the safety of the battery module 20. When the insulating cover plate 10 is provided, a through hole may be provided on the insulating cover plate 10 so that the fuse 24 may be electrically connected to the bus bar 14 through the through hole.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A battery module case, characterized in that the battery module case (10) comprises:
the battery cell comprises a shell body (12), wherein the shell body (12) is provided with an accommodating cavity capable of accommodating a battery cell (22), an accommodating groove is formed in the outer wall of the shell body (12), and a first through hole for exposing a pole of the battery cell (22) is formed in the accommodating groove; and
the busbar (14), the busbar (14) set up in the holding recess, and the busbar (14) inlays in the holding recess, be provided with the confession on busbar (14) the naked second through-hole of utmost point post of electric core (22).
2. The battery module housing according to claim 1, wherein the housing body (12) is a plastic member, the bus bar (14) is an electrically conductive member, and the housing body (12) and the bus bar (14) are formed as an injection-molded integral piece.
3. The battery module housing according to claim 1, wherein the housing body (12) has an opening for the battery core (22) to enter the accommodating chamber, and the opening is provided with a flange (16) extending towards the accommodating chamber;
the battery module shell (10) comprises a connecting lug (18) which is arranged on the bus bar (14) and can be electrically connected with other components, and the connecting lug (18) extends towards the flanging (16) and is overlapped on the flanging (16).
4. The battery module housing according to claim 3, wherein the engaging lug (18) comprises a first connecting portion (180) attached to the outer wall of the housing body (12) and a second connecting portion (182) connected to the first connecting portion (180) and attached to the flange (16);
the outer wall of the shell body (12) is provided with a communicating groove which can contain the first connecting portion (180) and is communicated with the containing groove, and the top of the communicating groove is provided with a passing opening for the first connecting portion (180) to pass through.
5. The battery module case according to claim 1, wherein the battery module case (10) includes a pair of the bus bars (14), the pair of the bus bars (14) being respectively oppositely provided to a pair of side walls (100) of the case body (12) that are opposite to each other; or
The battery module shell (10) comprises a plurality of pairs of bus bars (14), the bus bars (14) are distributed at intervals along the length direction of the shell body (12), and the bus bars (14) in the pairs are respectively oppositely arranged on a pair of side walls (100) of the shell body (12) opposite to each other.
6. The battery module housing according to claim 1, wherein the battery module housing (10) comprises an insulating cover plate (11) covering the accommodating groove, and a third through hole (110) for exposing a pole of the battery cell (22) is formed in the insulating cover plate (11).
7. The battery module housing according to any one of claims 1 to 6, wherein the housing body (12) comprises a first half shell (120) and a second half shell (122) disposed opposite and spaced apart from the first half shell (120), the first half shell (120) and the second half shell (122) together defining the receiving chamber, the housing body (12) comprising a mounting portion capable of fixing the first half shell (120) and the second half shell (122) to each other.
8. The battery module housing according to claim 7, wherein the mounting portion comprises a first mounting arm (130) having a card interface and a second mounting arm (132) having a card boss (134) that can be snapped into the card interface, wherein: the first mounting arm (130) is disposed on the first half-shell (120), and the second mounting arm (132) is disposed on the second half-shell (122); and/or
The battery module shell (10) comprises a pair of support covers (15) arranged on the mutually opposite walls of the first half shell (120) and the second half shell (122), each support cover (15) is provided with an extending port for extending the corresponding end part of the battery cell (22), and the support covers (15) can jointly support the same battery cell (22).
9. A battery module, characterized in that the battery module (20) comprises a battery module housing (10) according to any one of claims 1 to 7 and a battery cell (22) fitted in the battery module housing (10).
10. The battery module according to claim 9, characterized in that the battery module (20) comprises an electrical connection connecting the pole and the busbar (14), the electrical connection comprising a fuse (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393278.0U CN211350778U (en) | 2020-03-24 | 2020-03-24 | Battery module housing and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393278.0U CN211350778U (en) | 2020-03-24 | 2020-03-24 | Battery module housing and battery module |
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| Publication Number | Publication Date |
|---|---|
| CN211350778U true CN211350778U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020393278.0U Active CN211350778U (en) | 2020-03-24 | 2020-03-24 | Battery module housing and battery module |
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| CN (1) | CN211350778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022199447A1 (en) * | 2021-03-22 | 2022-09-29 | 东莞新能安科技有限公司 | Battery module and powered device |
-
2020
- 2020-03-24 CN CN202020393278.0U patent/CN211350778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022199447A1 (en) * | 2021-03-22 | 2022-09-29 | 东莞新能安科技有限公司 | Battery module and powered device |
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