CN206893675U

CN206893675U - A kind of battery case

Info

Publication number: CN206893675U
Application number: CN201720796270.7U
Authority: CN
Inventors: 杨振忠; 范华明; 钱龙; 孟江波
Original assignee: Jiangsu Silver Base Ene Carbon Energy Technology Co Ltd
Current assignee: Jiangsu Silver Base Ene Carbon Energy Technology Co Ltd
Priority date: 2017-07-03
Filing date: 2017-07-03
Publication date: 2018-01-16
Anticipated expiration: 2027-07-03

Abstract

A kind of battery case, including casing, case lid and multiple battery modules；Each battery modules include multiple cells, bottom plate and two end plates；The cell includes a pair of sides, a pair of end face connected vertically with the pair of side, a bottom surface and relative with the bottom surface top surface；Multiple cells abut arrangement by the end face of two neighboring cell successively；The bottom plate is arranged at the lower section of multiple cells and including main part；The bottom surface of the main part and multiple cells leans, and the main part is additionally provided with heating plate in the one side away from the cell, and the side of the heating plate is provided with conductor wire；The end plate is arranged at the both ends of the battery modules, and every piece of end plate includes protective tip；The protective tip is additionally provided with multiple threading structures close to the side of the bottom plate and is used for through the conductor wire on a corresponding heating plate.The battery case, at low temperatures, heat can be provided to cell rapidly.

Description

A kind of battery case

【Technical field】

It the utility model is related to power battery technology field, more particularly to a kind of battery case.

【Background technology】

At present, ev industry is quickly grown, and people are also increasing to the demand of electric automobile.Battery is as new energy One of core component of source automobile, its temperature controlled quality directly determine the service life and continual mileage of battery.New energy Automobile power cell module is formed by a large amount of single battery core stack designs, and the charge-discharge performance of electrokinetic cell at low ambient temperatures Poor compared with normal temperature, power can reduce during electric discharge, and when what's more is below 0 DEG C, the electrokinetic cell such as LiFePO4 can not be straight Connect charging.The low-temperature characteristics of electrokinetic cell directly influences its market manifestation.Therefore, exploitation efficiently, is rapidly and uniformly realized dynamic The heating arrangement of power battery modules heating is particularly important.

In consideration of it, real be necessary to provide a kind of new battery case to overcome drawbacks described above.

【Utility model content】

The purpose of this utility model is to provide a kind of battery case, at low temperatures, can provide heat to cell rapidly Amount, ensure the stability and uniformity of battery modules.

To achieve these goals, the utility model provides a kind of battery case, including casing, case lid and is contained in the case Body and multiple battery modules in the case lid；Each battery modules include multiple cells, bottom plate and two end plates；It is described Cell include a pair of sides, a pair of end face connected vertically with the pair of side, a bottom surface and with the bottom surface phase To a top surface；Multiple cells abut arrangement by the end face of two neighboring cell；The bottom plate Two for being arranged at the lower section of multiple cells and being formed including main part and from the bending extension of the edge of the main part both sides Individual fixed part；The bottom surface of the main part and multiple cells leans, the main part away from the cell one Heating plate is additionally provided with face, the side of the heating plate is provided with conductor wire；The end plate is arranged at the both ends of the battery modules, Every piece of end plate includes protective tip and the fixed charge method end plate corresponding with the protective tip；The protective tip is close to the bottom plate Side be additionally provided with multiple threading structures and be used for through the conductor wire on a corresponding heating plate.

In a preferred embodiment, each protective tip includes rectangular-shaped matrix and is respectively arranged at described matrix The protection base at four angles, described matrix and the protection base vertical connection；Each matrix be provided with the one side of the protection base against On the end face of one cell of correspondence at the battery modules both ends, each protection base is resisted against the battery modules both ends One cell of correspondence angle on.

In a preferred embodiment, one side of each matrix away from the protection base is fixed with the fixed charge method end plate and connected Connect.

In a preferred embodiment, each battery modules also include side plate and cover plate, and the side plate quantity has two pieces And respectively be located at the battery modules both sides, every block of side plate be resisted against in the plane of the side split of multiple cells and with The fixed part of the bottom plate is fixedly connected；The cover plate is located at the top surface of multiple cells of the battery modules.

In a preferred embodiment, each threading structure includes support and multiple grabs, and multiple grabs are set respectively It is in the both sides of the support and staggeredly relative.

In a preferred embodiment, the heating plate is fixedly connected with the main part.

In a preferred embodiment, the heating plate of multiple battery modules conductor wire series connection after with the casing Connector is electrically connected with.

In a preferred embodiment, the material of the heating plate is graphene.

Battery case provided by the utility model, at low temperatures, heat can be provided to cell rapidly, ensure battery The stability and uniformity of module.

【Brief description of the drawings】

Fig. 1 is the exploded view of battery case provided by the utility model.

Fig. 2 is the exploded view of the battery modules in the battery case shown in Fig. 1.

Fig. 3 is the stereogram of the cell in the battery modules shown in Fig. 2.

Fig. 4 is another angular views of the battery modules shown in Fig. 2.

Fig. 5 is the stereogram of the bottom plate in the battery modules shown in Fig. 2.

Fig. 6 is the stereogram of the protective tip in the battery modules shown in Fig. 2.

Fig. 7 is the partial enlarged drawing of region A shown in Fig. 1.

【Embodiment】

In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.

Referring to Fig. 1, a kind of battery case 100 provided by the utility model, including casing 10, case lid 20 and it is contained in described Casing 10 and multiple battery modules 30 in the case lid 20.Multiple battery modules 30 are arranged adjacent in the casing 10 successively It is interior.

Referring to Fig. 2, in the present embodiment, the quantity of battery modules 30 has six.Each battery modules 30 include Multiple cells 40, bottom plate 50, end plate 60, side plate 70 and cover plate 80.

Referring to Fig. 3, the cell 40 is cuboid and including a pair of sides 41, vertical with the pair of side 41 The bottom surface 43 of a pair of end faces 42, one of connection and a top surface 44 relative with the bottom surface 43.The top surface 44 is provided with one Individual positive pole 45 and a negative pole 46.Multiple cells 40 are abutted by the end face 42 of two neighboring cell 40 successively Arrangement, and the positive pole 45 of multiple cells 40 and the negative pole 46 are at grade, the side of multiple cells 40 Face 41 is in two opposite planes.It is electrically connected between multiple cells 40.

Fig. 4 and Fig. 5 is referred to, the bottom plate 50 is arranged at the lower section of multiple cells 40, and the bottom plate 50 is rectangular Tabular and two fixed parts 52 formed including main part 51 and from the bending extension of the edge of the both sides of main part 51.The master Body portion 51 and the bottom surface 43 of multiple cells 40 lean.In one side of the main part 51 away from the cell 40 also Provided with heating plate 53.The heating plate 53 is fixedly connected with the main part 51.In the present embodiment, the heating plate 53 Material is graphene.The heating plate 53 is provided with two conductor wires 531 close to the side of the end plate 60.In present embodiment In, the material of the bottom plate 50 is aluminium.

Also referring to Fig. 2 and Fig. 6, the quantity of end plate 60 has two pieces and is arranged at the both ends of the battery modules 30. Every piece of end plate 60 includes protective tip 61 and the fixed charge method end plate 62 corresponding with the protective tip 61.In the present embodiment, Each protective tip 61 includes rectangular-shaped matrix 611 and is respectively arranged at the protection base 612 at 611 4 angles of described matrix.Institute State matrix 611 and the vertical connection of protection base 612.The one side that each matrix 611 is provided with the protection base 612 is resisted against described On the end face 111 of one cell 11 of correspondence at the both ends of battery modules 30, each protection base 612 is resisted against the battery modules On the angle of one cell 11 of correspondence at 30 both ends.Each one side of the matrix 611 away from the protection base 612 and the fixation End plate 62 is fixedly connected.

In the present embodiment, the protective tip 61 is additionally provided with multiple threading structures close to the side of the bottom plate 50 613.In the present embodiment, the quantity of threading structure 613 has two and each threading structure 613 includes the support of " L " type 6131 and multiple grabs 6132, multiple grabs 6132 are respectively arranged at the both sides of the support 6131 and staggeredly relative, the branch Frame 6131 is fixedly connected with the protective tip 61 close to the side of the bottom plate 50.Two threading structures 613 are in same level On line and it is used for through the conductor wire 531 on a corresponding heating plate 53.Specifically, the material of protective tip 61 is plastics. Referring to Fig. 7, the heating plate 53 of multiple bottoms of battery modules 30 conductor wire 531 connect after with the connector on the casing 10 11 are electrically connected with.

Each fixed charge method end plate 62 is resisted against in corresponding one side of the protective tip 61 away from the cell 40.

The quantity of side plate 70 has two pieces and is located at the both sides of the battery modules 30 respectively, and every block of side plate 70 is substantially in square Shape and it is resisted against in the plane of the split of side 41 of multiple cells 40 and is fixedly connected with the fixed part 52 of the bottom plate 50. The cover plate 80 is the top surface 44 of rectangle and multiple cells 40 positioned at the battery modules 30.

During assembling, the end face 42 of the multiple cell 40 is fixedly connected integrally after successively first, now, The top surface 44 provided with the positive pole 45 and the negative pole 46 of multiple cells 40 is in same plane.It is multiple by what is fixed Cell 40 is arranged on the bottom plate 50, and now, the heating plate 53 is located at the main part 51 of the bottom plate 50 away from institute In the one side for stating cell 40.Two protective tips 61 are resisted against to one monomer electricity of correspondence at the both ends of battery modules 30 Blend compounds hydropexis connects on the end face 41 in pond 40.Then, two fixed charge method end plates 62 are resisted against a corresponding protective tip 61 In one side away from the cell 40.Two blocks of side plates 70 are fixedly connected with the bottom plate 50, by the cover plate 80 and institute End plate 60 is stated to be fixedly connected.Finally, it is the conductor wire 531 of the heating plate 53 of multiple battery modules 30 is anti-through corresponding one one by one Threading structure 613 and being connected in series on shield end plate 61 is electrically connected with the connector 11 on the casing 10 again.

Battery case provided by the utility model, at low temperatures, heating plate can be brought rapidly up to the monomer after being powered Battery provides heat, ensures the stability and uniformity of battery modules.

The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching The examples shown stated.

Claims

A kind of 1. battery case, it is characterised in that：Including casing, case lid and it is contained in the casing and multiple electricity in the case lid Pond module；Each battery modules include multiple cells, bottom plate and two end plates；The cell include a pair of sides, A pair of end face, a bottom surface and with a bottom surface relative top surface connected vertically with the pair of side；Multiple monomers Battery abuts arrangement by the end face of two neighboring cell；The bottom plate is arranged under multiple cells Side and two fixed parts formed including main part and from the bending extension of the edge of the main part both sides；The main part with it is more The bottom surface of individual cell leans, and the main part is additionally provided with heating plate in the one side away from the cell, described to add The side of backing is provided with conductor wire；The end plate is arranged at the both ends of the battery modules, every piece of end plate include protective tip and The fixed charge method end plate corresponding with the protective tip；The protective tip is additionally provided with multiple threading knots close to the side of the bottom plate Structure is used for through the conductor wire on a corresponding heating plate.
2. battery case as claimed in claim 1, it is characterised in that：Each protective tip includes rectangular-shaped matrix and set respectively It is placed in the protection base at four angles of described matrix, described matrix and the protection base vertical connection；Each matrix is provided with the protection The one side of pin is resisted against on the end face of one cell of correspondence at the battery modules both ends, and each protection base is resisted against described On the angle of one cell of correspondence at battery modules both ends.
3. battery case as claimed in claim 2, it is characterised in that：Each one side of the matrix away from the protection base with it is described solid Fixed end plate is fixedly connected.
4. battery case as claimed in claim 1, it is characterised in that：Each battery modules also include side plate and cover plate, the side Plate quantity has two pieces and is located at the both sides of the battery modules respectively, and every block of side plate is resisted against the side split of multiple cells Plane on and be fixedly connected with the fixed part of the bottom plate；The cover plate is located at multiple cells of the battery modules Top surface.
5. battery case as claimed in claim 1, it is characterised in that：Each threading structure includes support and multiple grabs, multiple Grab is respectively arranged at the both sides of the support and interlocked relative.
6. battery case as claimed in claim 1, it is characterised in that：The heating plate is fixedly connected with the main part.
7. battery case as claimed in claim 1, it is characterised in that：The heating plate of multiple battery modules conductor wire series connection after with Connector on the casing is electrically connected with.
8. battery case as claimed in claim 1, it is characterised in that：The material of the heating plate is graphene.