CN212485445U

CN212485445U - Battery module

Info

Publication number: CN212485445U
Application number: CN202021526817.XU
Authority: CN
Inventors: 季伟源; 王乾; 周君; 钱科; 李高阳
Original assignee: Jiangsu Soul New Energy Technology Co Ltd
Current assignee: Suzhou Sol Zhixing New Energy Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-07-29
Publication date: 2021-02-05
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a battery module, which comprises a shell with a hollow inner cavity and an opening at the top end, a plurality of battery units which are arranged in sequence and are arranged in the shell, a copper bar component which is laid on the upper surface of the battery units, a series copper bar which is connected on the copper bar component and is positioned outside the shell, a cover plate which is covered on the shell, and a positioning plate which is arranged between the cover plate and the battery units, wherein the positioning plate is provided with a limiting hole for the copper bar component to penetrate upwards and a wire groove for wiring; the cover plate comprises a cover plate body arranged above the shell, an extension plate connected to the cover plate body and arranged above the series copper bars in a covering mode, a notch arranged on the extension plate and aligned with the end portion of the wire groove, and a threading hole arranged on the extension plate. The utility model relates to a battery module, which not only can effectively protect the series copper bars exposed outside the shell, but also can ensure the neatness and order of the electric wires on the series copper bars; the structure is simple, and the installation difficulty is low; the assembly efficiency between the battery modules is high.

Description

Battery module

Technical Field

The utility model relates to a battery module.

Background

At present, the energy storage battery is widely applied to the field of electric automobiles. The energy storage battery is generally formed by connecting a plurality of battery modules in series through a series copper bar.

In the assembly of the battery module, a plurality of battery cells arranged in sequence in the housing and the copper bar assembly laid on the battery cells are generally protected by the cover. And the series copper bars positioned outside the shell are exposed outside, and a cover plate is required to be additionally arranged on the shell to protect the copper bars. This results in a more complex structure of the housing, higher cost and greater difficulty in installation; simultaneously, because the electric wire on the series connection copper bar arranges comparatively in a jumble, has improved the equipment degree of difficulty between the battery module, and packaging efficiency is lower.

Disclosure of Invention

The utility model aims at providing a battery module not only can effectual protection series connection copper bar, has still guaranteed the neatly orderly of electric wire on the series connection copper bar simultaneously.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a battery module comprises a shell with a hollow inner cavity and an opening at the top end, a plurality of battery units, a copper bar assembly, a serial copper bar, a cover plate and a positioning plate, wherein the battery units are sequentially arranged in the shell, the copper bar assembly is laid on the upper surface of each battery unit, the serial copper bar is connected to the copper bar assembly and positioned outside the shell, the cover plate is covered above the shell, the positioning plate is arranged between the cover plate and the battery units in a cushioning mode, and the positioning plate is provided with a limiting hole for enabling the copper bar assembly to upwards penetrate out and a wire slot for wiring;

the apron is located including the lid the apron body of casing top, connect and be in just covering on the apron body and locating the extension board of series connection copper bar top, set up in on the extension board and with the breach that the wire casing tip aligns, set up in through wires hole on the extension board.

Preferably, the copper bar subassembly is including being used for connecting adjacent two the first copper bar of battery cell, one-to-one lie in two outsides the second copper bar on the battery cell, the second copper bar is including connecting gradually: lay in the copper bar body of battery unit upper surface, paste and locate the connecting plate of battery unit side, be located the utmost point post board in the casing outside, utmost point post board is used for connecting the series connection copper bar.

Preferably, the limiting holes are multiple and used for limiting the copper bar assemblies in a one-to-one correspondence mode.

Preferably, the wire casing is convexly arranged on the upper surface of the positioning plate, the number of the extending plate and the number of the notches are two, and two ends of the wire casing are aligned with the two notches one by one.

More preferably, the two extending plates are respectively arranged on two opposite sides of the cover plate body, and the wire grooves extend along the linear direction.

Preferably, the notch is used for cutting off the corresponding extension plate.

More preferably, the notch is located at the middle of the corresponding extension plate.

Preferably, the positioning plate is fixedly arranged in the shell, and the battery module further comprises a positioning block which is arranged at the edge of the positioning plate in a protruding manner, and positioning holes which are arranged at the edge of the cover plate body and are used for being clamped into by the positioning block in a one-to-one correspondence manner.

More preferably, the two opposite sides of the positioning plate are provided with first flanges which are turned upwards, the positioning block is arranged on the outer sides of the first flanges in a protruding mode, the two opposite sides of the cover plate body are provided with second flanges which are turned downwards, and the positioning holes are formed in the second flanges.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model relates to a battery module, through set up the extension board on the body of the cover plate, and set up the through wires hole on the extension board, not only can the exposed series copper bar outside the casing of effectual protection, still guaranteed the neat order of electric wire on the series copper bar at the same time; the structure is simple, and the installation difficulty is low; the assembly efficiency between the battery modules is high.

Drawings

FIG. 1 is a first top view of the device of the present invention;

FIG. 2 is a second top view (without a cover plate) of the device of the present invention;

fig. 3 is a third top view (without cover plate and positioning plate) of the device of the present invention;

fig. 4 is a front view of the device of the present invention;

fig. 5 is a side view of the device of the present invention.

Wherein: 1. a housing; 2. a battery cell; 3. a cover plate; 31. a cover plate body; 32. an extension plate; 33. a notch; 34. threading holes; 4. positioning a plate; 41. a limiting hole; 42. a wire slot; 5. a first copper bar; 6. a second copper bar; 61. a copper bar body; 62. a connecting plate; 63. a pole plate; 7. positioning blocks; 8. positioning holes; 9. a first flanging; 10. and a second flanging.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-5, the battery module includes a housing 1 having a hollow inner cavity and an open top, a plurality of battery cells 2 sequentially arranged in the housing 1, a copper bar assembly laid on the upper surface of the battery cells 2, and a serial copper bar (not shown) connected to the copper bar assembly and located outside the housing 1.

The copper bar assembly comprises first copper bars 5 for connecting two adjacent battery units 2 and second copper bars 6 which are located on the two outermost battery units 2 in a one-to-one correspondence mode. The second copper bar 6 comprises the following components connected in sequence: copper bar body 61 laid on the upper surface of battery unit 2, connecting plate 62 attached to the outer side surface of battery unit 2, and pole plate 63 located on the outer side of casing 1, where pole plate 63 is used to connect the series copper bar.

In this embodiment, the housing 1 is in the shape of a rectangular parallelepiped, and the two second copper bars 6 are respectively located at two ends of the housing 1 in the length direction. The plurality of battery cells 2 are arranged along the longitudinal extension direction of the case 1.

The battery module further comprises a cover plate 3 arranged above the shell 1 in a covering mode, and a positioning plate 4 arranged between the cover plate 3 and the battery unit 2 in a cushioning mode. The positioning plate 4 is provided with a limiting hole 41 for the copper bar assembly to penetrate out upwards and a wire casing 42 for wiring. In this embodiment, the lower surface subsides of locating plate 4 are located the upper surface of battery unit 2, and spacing hole 41 has a plurality ofly for the one-to-one carries on spacingly to the copper bar subassembly.

The cover plate 3 comprises a cover plate body 31 covering the upper part of the shell 1, an extension plate 32 connected to the cover plate body 31 and covering the upper part of the serial copper bar, a notch 33 arranged on the extension plate 32 and aligned with the end part of the wire groove 42, and a threading hole 34 arranged on the extension plate 32. The cap plate body 31 is disposed over the battery cell 2 to protect the battery cell 2. This threading hole 34 not only can be used for the threading of being qualified for the next round of competitions in wire casing 42, can also be used for the threading of electric wire on the copper bar of establishing ties.

The wire slot 42 is protruded on the upper surface of the positioning plate 4, the number of the extending plate 32 and the number of the notches 33 are two, and two ends of the wire slot 42 are aligned with the two notches 33 one by one. In this embodiment, the two extending plates 32 are respectively disposed on two opposite sides of the cover plate body 31, and the wire slot 42 extends along a straight line. Through making the both ends of wire casing 42 and two breach 33 align one by one for being qualified for the next round of competitions in the wire casing 42 can be directly outwards stretched out from breach 33, and carry out the threading ligature through threading hole 34, need not be to being qualified for the next round of competitions in the wire casing 42 and bend, save the electric wire quantity.

In the present embodiment, the gap 33 is used to block the corresponding extension plate 32, and is located in the middle of the corresponding extension plate 32. The two extending plates 32 divided into two parts by the gap 33 are provided with the same number of threading holes 34, so that the flat cable is uniform, symmetrical, beautiful and tidy.

The positioning plate 4 is fixedly arranged in the shell 1, and the battery module further comprises a positioning block 7 protruding outwards and arranged at the edge of the positioning plate 4 and a positioning hole 8 arranged at the edge of the cover plate body 31 and used for being clamped into the positioning block 7 in a one-to-one correspondence manner. The positioning plate 4 is fixedly inserted into the housing 1, and a cover for fixing the cover plate 3 is arranged on the housing 1 through the connection between the positioning hole 8 and the positioning block 7.

In this embodiment, two opposite sides of the positioning plate 4 have first flanges 9 turned up, the positioning block 7 is protruded outside the first flanges 9, two opposite sides of the cover plate body 31 have second flanges 10 turned down, and the positioning hole 8 is opened in the second flanges 10. The two first turned-over edges 9 are correspondingly attached to the inner sides of the two second turned-over edges 10. The second flange 10 and the extension plate 32 are located on two adjacent edges of the cover plate body 31.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A battery module, its characterized in that: the battery pack comprises a shell with a hollow inner cavity and an opening at the top end, a plurality of battery units, a copper bar assembly, a serial copper bar, a cover plate and a positioning plate, wherein the battery units are sequentially arranged and arranged in the shell, the copper bar assembly is laid on the upper surface of each battery unit, the serial copper bar is connected to the copper bar assembly and positioned outside the shell, the cover plate is covered above the shell, the positioning plate is arranged between the cover plate and the battery units in a cushioning manner, and the positioning plate is provided with a limiting hole for enabling the copper bar assembly to upwards penetrate out and a wire;

2. The battery module according to claim 1, wherein: the copper bar subassembly is including being used for connecting adjacent two the first copper bar of battery cell, one-to-one lie in two the outside second copper bar on the battery cell, the second copper bar is including connecting gradually: lay in the copper bar body of battery unit upper surface, paste and locate the connecting plate of battery unit side, be located the utmost point post board in the casing outside, utmost point post board is used for connecting the series connection copper bar.

3. The battery module according to claim 1, wherein: the limiting holes are multiple and used for limiting the copper bar assemblies in a one-to-one correspondence mode.

4. The battery module according to claim 1, wherein: the wire casing is convexly located locating plate upper surface, the extension board with the breach all has two, the both ends of wire casing and two the breach aligns one by one.

5. The battery module according to claim 4, wherein: the two extending plates are respectively arranged on two opposite sides of the cover plate body, and the wire grooves extend along the linear direction.

6. The battery module according to claim 1, wherein: the notch is used for cutting off the corresponding extension plate.

7. The battery module according to claim 6, wherein: the notches are positioned in the middle of the corresponding extension plate.

8. The battery module according to claim 1, wherein: the battery module further comprises a positioning block which is arranged at the edge of the positioning plate in a protruding mode, and positioning holes which are arranged at the edge of the cover plate body and are used for being clamped into the positioning blocks in a one-to-one correspondence mode.

9. The battery module according to claim 8, wherein: the two opposite sides of the positioning plate are provided with first turned-over edges turned upwards, the positioning block is arranged on the outer sides of the first turned-over edges in a protruding mode, the two opposite sides of the cover plate body are provided with second turned-over edges turned downwards, and the positioning holes are formed in the second turned-over edges.