CN218548697U

CN218548697U - End plate for lightweight module of aluminum-shell battery

Info

Publication number: CN218548697U
Application number: CN202222634113.XU
Authority: CN
Inventors: 吴志林; 陈周; 孙光忠; 解正安
Original assignee: Camel Group New Energy Battery Co Ltd
Current assignee: Camel Group New Energy Battery Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-02-28
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a lithium cell module end plate correlation field technical field discloses an end plate for lightweight module of aluminum hull battery, including the end plate body, the end plate body can be dismantled and connect in battery module both sides, and end plate body lateral surface is provided with metal insert one, can dismantle among the metal insert one and connect electric, and end plate body up end sets up both sides and all is provided with metal insert two, can dismantle in the metal insert two and be connected with output aluminium row, and terminal surface both ends are fixed with the toper arch under the end plate body, and the protruding joint of toper is in outside box, the utility model has the advantages of it is following and effect: the injection moulding's end plate is lighter than other metal end plates, and metal insert one and metal insert two provide the mounted position for other parts, reduce holistic equipment complexity.

Description

End plate for lightweight module of aluminum-shell battery

Technical Field

The utility model relates to a lithium cell module end plate correlation field technical field, in particular to aluminum hull battery lightweight end plate for module.

Background

The lithium ion power battery is widely applied to the field of new energy sources, such as electric automobiles, electric buses, electric logistics vehicles and the like, the market demand is greatly increased along with the maturity of the technology, the requirements on the use and safety performance of the lithium battery pack are higher, and the market also provides tests on the weight of the battery pack. The lightweight of each structure spare of lithium cell becomes a fundamental way of solving above-mentioned problem, a novel structure that is used for the end plate of aluminum-shell battery module, and to a great extent has solved above-mentioned battery package lightweight problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an end plate for lightweight module of aluminum hull battery has when satisfying the end plate lightweight, can provide the fixed position of other parts to reduce the effect of the quantity of part in the battery package.

The above technical object of the present invention can be achieved by the following technical solutions: including the end plate body, the end plate body can be dismantled and connect in battery module both sides, its characterized in that: the outer side face of the end plate body is provided with a first metal insert, an electric connecting part can be disassembled in the first metal insert, the upper end face of the end plate body is provided with two metal inserts, output aluminum rows can be disassembled and connected in the second metal insert, two ends of the lower end face of the end plate body are fixed with conical protrusions, and the conical protrusions are clamped in an outer box body.

Through adopting above-mentioned technical scheme, metal insert one is used for other parts such as installation control panel, structural design can be carried out according to the shape of part simultaneously, the adaptation degree of assembly is promoted in the pertinence installation, can realize that the direct mount of electric spare is fixed on the end plate body promptly, it needs the part to fix alone to have reduced electric spare, and then reduce the whole weight of battery module, metal insert two is connected with output aluminium row, the insulation of having avoided metal end plate in the past still needs the independent plastic support as the fixed position of output aluminium row, reduce the quantity of part, reduce the holistic equipment complexity of lithium battery system simultaneously, reduce the workman and operate the degree of difficulty, improve the overall installation efficiency, two toper archs, a location for between module and the box.

The utility model discloses a further set up to: the two ends of end plate body lateral surface top limit is provided with circular arc transition zone, goes up circular arc transition zone below the protrusion is provided with limiting plate one on the end plate body, end plate body lateral surface below is provided with limiting plate two that is on a parallel with limiting plate one, limiting plate two below end plate body lateral surface both ends limit is provided with down circular arc transition zone, limiting plate two below end plate body lateral surface is fixed with limiting plate three, it is equipped with cyclic annular ribbon with lower circular arc transition zone overcoat to go up circular arc transition zone.

Through adopting above-mentioned technical scheme, it is equipped with the ribbon to go up circular arc transition district overcoat, the arc surface is direct and the ribbon contact, laminating degree between the two is higher, it does not have the arch to go up circular arc transition district top simultaneously, can guarantee that the direct cover of cyclic annular ribbon top-down is in groups to this department, is provided with limiting plate one under it, prevents that cyclic annular ribbon from down droing automatically, the ribbon is established to further cover outside the circular arc transition district down, two upper and lower ribbons closely fix battery module and end plate body jointly, promote holistic stability.

The utility model discloses a further set up to: the two sides of the metal insert two phases are far away from the end plate body, lower steps are arranged towards the conical protrusions, the upper arc transition area is located on the outer side face of each lower step, a first waist-shaped hole is formed in the lower step in an inwards concave mode, a second waist-shaped hole is formed in the bottom face of the lower arc transition area towards the metal insert two, and the second waist-shaped hole and the first waist-shaped hole are located on the same straight line.

Through adopting above-mentioned technical scheme, the design of waist type hole one and waist type hole two is optimized the installation of module and outside box fixed.

The utility model discloses a further set up to: the end plate body is made of injection molding materials.

Through adopting above-mentioned technical scheme, the lightweight of end plate than other metal end plates has been realized to injection moulding's design.

The utility model discloses a further set up to: and reinforcing ribs are arranged on the inner side surface of the end plate body close to the battery module.

Through adopting above-mentioned technical scheme, guaranteed the intensity of end plate, promote the availability factor.

The utility model discloses a further set up to: and a connecting plate is fixed in the middle of the end plate body between the two first metal inserts, and a connecting hole is formed in the connecting plate.

The beneficial effects of the utility model are that:

1. first metal insert is used for other parts such as erection control board, can carry out structural design according to the shape of part simultaneously, the adaptation degree of assembly is promoted in the pertinence installation, can realize on the end plate body that the direct mount of electric spare is fixed promptly, it needs the part alone to fix to have reduced electric spare, and then reduce the whole weight of battery module, second metal insert is connected with output aluminium row, the insulation of having avoided metal end plate in the past still needs the independent plastic support as the fixed position of output aluminium row, reduce the quantity of part, reduce the holistic equipment complexity of lithium battery system simultaneously, reduce the workman and operate the degree of difficulty, the efficiency of integral erection is improved, two toper archs, a location between module and the box.

2. Go up circular arc transition district overcoat and be equipped with the ribbon, the arc surface is direct and the ribbon contact, and the laminating degree between the two is higher, goes up circular arc transition district top simultaneously and does not have the arch, can guarantee that the direct cover of cyclic annular ribbon top-down is in groups to this department, is provided with limiting plate one under it, prevents that cyclic annular ribbon from down droing automatically, and the ribbon is established to further cover outside the circular arc transition district down, and two upper and lower ribbons are closely fixed battery module and end plate body jointly, promote holistic stability.

3. The lightweight of end plate than other metal end plates has been realized to end plate body injection moulding's design.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of the middle end plate body and the battery mold of the present invention after being installed.

Fig. 2 is a schematic structural view of the middle plate body of the present invention.

Fig. 3 is a schematic view of the structure of the other side of the middle plate body of the present invention.

Fig. 4 is a bottom view of the middle plate body of the present invention.

In the figure, 1, an end plate body; 2. a battery module; 3. a first metal insert; 4. a second metal insert; 5. outputting the aluminum row; 6. a conical projection; 7. an upper arc transition zone; 8. a first limiting plate; 9. a second limiting plate; 10. a lower arc transition zone; 11. a third limiting plate; 12. descending a step; 13. a waist-shaped hole I; 14. a second waist-shaped hole; 15. reinforcing ribs; 16. a connecting plate; 17. and (6) binding the belt.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the embodiment, an end plate for a lightweight module of an aluminum-shell battery is shown in figures 1-3 and comprises an end plate body 1, wherein the end plate body 1 is made of injection molding materials, the end plate is lighter than other metal end plates through injection molding design, the end plate body 1 is detachably connected to two sides of a battery module 2, the end plate body 1 is in contact with the battery through other elastic parts, the insulation treatment or insulation structural parts of a conventional metal end plate are eliminated, the structure is simplified, a metal insert I3 is arranged on the outer side surface of the end plate body 1, an electric part is detachably connected in the metal insert I3, independent fixing parts of the electric part are reduced, two sides of the upper end surface of the end plate body 1 are respectively provided with a metal insert II 4, an output aluminum bar 5 is detachably connected in the metal insert II 4, A metal insert 3 is used for installing other parts such as control panel, can carry out structural design according to the shape of part simultaneously, the adaptation degree of assembly is promoted in the pertinence installation, can realize that the direct mount of electric spare is fixed on the end plate body 1 promptly, it needs the part to fix alone to have reduced electric spare, and then reduce battery module 2's whole weight, metal insert two 4 is connected with output aluminium row 5, the insulating fixed position as output aluminium row 5 that still needs independent plastic support of metal end plate in the past has been avoided, reduce the quantity of part, reduce the holistic equipment complexity of lithium battery system simultaneously, reduce the workman's operation degree of difficulty, improve the overall installation efficiency, two toper arch 6, a location between module and the box is used for.

As shown in fig. 1-2, two ends of the lower end surface of the end plate body 1 are fixed with conical protrusions 6, the conical protrusions 6 are clamped in an external box body, and the two conical protrusions 6 are used for positioning the module and the box body.

As shown in fig. 1-2, the two end edges of the top of the outer side surface of the end plate body 1 are provided with upper arc transition areas 7, the end plate body 1 below the upper arc transition areas 7 is provided with a first limiting plate 8 in a protruding manner, the lower side of the outer side surface of the end plate body 1 below the upper arc transition areas 7 is provided with a second limiting plate 9 parallel to the first limiting plate 8, the two end edges of the outer side surface of the end plate body 1 below the second limiting plate 9 are provided with lower arc transition areas 10, the outer side surface of the end plate body 1 below the second limiting plate 9 is fixed with a third limiting plate 11, the upper arc transition areas 7 and the lower arc transition areas 10 are sleeved with annular ribbons 17, the arc surfaces are directly contacted with the ribbons 17, the attaching degree between the two annular ribbons is higher, no protrusion is arranged above the upper arc transition areas 7, the annular ribbons 17 can be directly sleeved to the upper and lower arc transition areas from top to bottom, the lower arc transition areas are provided with a first limiting plate 8 below, the annular ribbons 17 are prevented from automatically falling off, the lower arc transition areas 10 are further sleeved with the ribbons 17, and the ribbons 17 are located between the second limiting plate 9 and the third limiting plate 11, and are fixed with anti-falling-off, the battery module 2 and the upper and the lower end plate 17 together, thereby improving the overall stability of the end plate 1.

As shown in fig. 2-4, the end plate bodies 1 on two sides, far away from the second metal insert 4, are provided with lower steps 12 facing the conical protrusions 6, the upper arc transition area 7 is located on the outer side surface of the lower steps 12, the lower steps 12 are provided with first kidney-shaped holes 13 in a concave manner, the bottom surface of the lower arc transition area 10 is provided with second kidney-shaped holes 14 facing the second metal insert 4, the second kidney-shaped holes 14 and the first kidney-shaped holes 13 are located on the same straight line, and the first kidney-shaped holes 13 and the second kidney-shaped holes 14 are designed to optimize the installation and fixation of the battery pack and an external box body, so that the stability of the whole battery pack is accurately and fixedly improved.

As shown in fig. 1 to 3, the inner side surface of the end plate body 1 close to the battery module 2 is provided with the reinforcing ribs 15, so that the strength of the end plate is ensured, and the use efficiency is improved.

As shown in fig. 2-3, a connecting plate 16 is fixed in the middle of the end plate body 1 between the two first metal inserts 3, and a connecting hole is formed in the connecting plate 16.

The utility model provides a theory of operation of end plate for lightweight module of aluminum-shell battery:

firstly, two end plate bodies 1 are attached to two opposite side surfaces of a battery module 2, an elastic part is arranged between the battery modules of the end plate bodies, and after the elastic part is shaped and slightly compressed, a binding belt 17 is sleeved outside an upper arc transition area 7 and a lower arc transition area 10.

Install output aluminium row 5 in the metal insert 3 of end plate body 1 up end afterwards, be connected with battery module 2 electricity, at electric parts such as 1 lateral surface installation control panel of end plate body, need not the installation that extra structure realized electric part.

The conical protrusion 6 on the bottom surface of the end plate body 1 is clamped in the box body, and the installation connection with the box body is realized by installing parts in the first waist-shaped hole 13 and the second waist-shaped hole 14.

Claims

1. The utility model provides an end plate for lightweight module of aluminum-shell battery, includes end plate body (1), end plate body (1) demountable connection is in battery module (2) both sides, its characterized in that: end plate body (1) lateral surface is provided with metal insert one (3), can dismantle in metal insert one (3) and connect electric, end plate body (1) up end sets up both sides and all is provided with metal insert two (4), can dismantle in metal insert two (4) and be connected with output aluminium row (5), end plate body (1) lower terminal surface both ends are fixed with toper arch (6), toper arch (6) joint is in the box of outside.

2. The end plate for the aluminum-case battery lightweight module according to claim 1, characterized in that: the two ends limit at end plate body (1) lateral surface top is provided with circular arc transition district (7), goes up circular arc transition district (7) below the protrusion is provided with limiting plate (8) on end plate body (1), end plate body (1) lateral surface below is provided with two (9) of limiting plate that are on a parallel with limiting plate (8), two (9) of limiting plate below end plate body (1) lateral surface both ends limit is provided with down circular arc transition district (10), two (9) of limiting plate below end plate body (1) lateral surface is fixed with limiting plate three (11), it is equipped with cyclic annular ribbon (17) with lower circular arc transition district (10) overcoat to go up circular arc transition district (7).

3. The end plate for the aluminum-can battery lightweight module according to claim 2, characterized in that: both sides that metal insert two (4) kept away from mutually end plate body (1) all are provided with down step (12) towards toper arch (6), it is located down step (12) lateral surface to go up circular arc transition district (7), down step (12) indent is provided with waist type hole one (13), the bottom surface of circular arc transition district (10) is provided with waist type hole two (14) towards metal insert two (4) down, waist type hole two (14) are located same straight line with waist type hole one (13).

4. The end plate for the aluminum-case battery lightweight module according to claim 3, characterized in that: the end plate body (1) is made of injection molding materials.

5. The end plate for the aluminum-case battery lightweight module according to claim 4, characterized in that: and reinforcing ribs (15) are arranged on the inner side surface of the end plate body (1) close to the battery module (2).

6. The end plate for the aluminum-can battery lightweight module according to claim 5, characterized in that: and a connecting plate (16) is fixed in the middle of the end plate body (1) between the two first metal inserts (3), and a connecting hole is formed in the connecting plate (16).