CN212085079U

CN212085079U - Lithium battery module with fixed overall dimension and shell structure thereof

Info

Publication number: CN212085079U
Application number: CN202020634910.6U
Authority: CN
Inventors: 应良可
Original assignee: Yueqing Carneson Electric Appliance Co ltd
Current assignee: Yueqing Carneson Electric Appliance Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-04
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a fixed lithium cell module of overall dimension and shell structure thereof relates to the battery field, and it includes casing, apron. The upper surface of the shell is provided with an upper opening, the shell is internally divided into a first cavity for accommodating the battery core and a second cavity for accommodating the protection plate, the first cavity and the second cavity are arranged in the front and back direction and are communicated with each other, the bottom surface of the second cavity is higher than that of the first cavity, and the bottom surface of the second cavity is provided with a socket for installing a sampling line connector. The cover plate is provided with two polar columns with embedded installation. The utility model has the advantages of simple structure, the practicality is good, but kept the same overall dimension of lead acid battery and series connection installation.

Description

Lithium battery module with fixed overall dimension and shell structure thereof

Technical Field

The utility model relates to a battery field, concretely relates to fixed lithium cell module of overall dimension and shell structure thereof.

Background

The soft package battery system comprises an electric core, a support, a bus bar, foam, a protection plate (containing a voltage sampling line, a temperature sampling line and a data communication line), a pole and the like. After each component is arranged in the module, the current module can be connected with other modules in series and parallel; the shell structure of the existing battery module comprises a cover plate, a shell and the like, wherein an external sampling line connector is inserted into the protection plate, and a hole needs to be processed in the shell or the cover plate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a simple structure, the good shell structure of the fixed lithium battery module of overall dimension of practicality.

The utility model discloses the technical scheme who adopts: the utility model provides a shell structure of lithium battery module that overall dimension is fixed, its includes the casing, apron and curb plate, the side opening has been seted up to the upper shed and its side to the higher authority of casing, be divided into the first cavity that supplies electric core to settle and supply the second cavity that the protection shield settled in the casing, set up around first cavity and the second cavity and the two intercommunication, the bottom surface of second cavity is higher than the bottom surface of first cavity, the bottom surface of second cavity is equipped with the interface that supplies the installation of sampling line connector.

The height difference between the bottom surface of the first cavity and the bottom surface of the second cavity is larger than the height of the sampling line connector, and the cover plate is provided with two poles with embedded installation.

The utility model discloses still provide another kind of technical scheme: the utility model provides a fixed lithium battery module of overall dimension, includes the protection shield that adopts foretell shell structure, a plurality of electric core and draw various data from electric core.

Each battery cell is provided with two tabs which are arranged up and down and correspond to the positive electrode and the negative electrode; the side opening department is equipped with a plurality of vertical settings and supplies utmost point ear welded support, and all supports are the horizontal direction and arrange, the dismantled and assembled installation of support is in the casing.

The casing diapire is close to near side opening part and is equipped with spacing sand grip, the support lower extreme is equipped with the spacing recess with spacing sand grip adaptation.

The lower end of the support is provided with a lower fixing piece connected with all the supports, the limiting convex strip is provided with a plurality of bolt holes, and the lower fixing piece, the limiting convex strip and the support are connected through bolts.

The side opening upper end of casing is equipped with the crossbeam, be equipped with between support upper end and the casing and be connected the two last mounting, it is equipped with first installation department and the second installation department that the contained angle is 90 to go up the mounting, pass through bolted connection between first installation department and the crossbeam, also pass through bolted connection between second installation department and all supports.

And bus bars corresponding to the lugs are arranged on the upper side and the lower side of the support, and strip-shaped holes for the lugs to pass through are formed in the middles of the bus bars.

Flexible clapboards are arranged between every two adjacent electric cores and between the electric cores and the shell.

The utility model has the advantages that: this technical scheme is through setting up the interface in the bottom surface of second cavity, there is the difference in height in the bottom surface of second cavity and the bottom surface of first cavity moreover, can make the plug connector hide in the casing below, prevent to appear by the plug connector and be damaged outward, provide the security of using, it has the sampling line connector to insert on the interface for other modules of protection shield control, have simple structure, the advantage that the practicality is good, but kept the same overall dimension with lead-acid batteries and the advantage of series connection installation.

Drawings

Fig. 1 is a schematic structural diagram of a housing structure of a lithium battery module with fixed shapes and sizes according to an embodiment of the present invention.

Fig. 2 is a front view of the housing structure.

Fig. 3 is a schematic disassembled view of the housing structure.

Fig. 4 is a schematic structural diagram of the battery cell and the bracket.

Fig. 5 is a schematic structural view of the stent, the upper fixing member and the lower fixing member.

Fig. 6 is a schematic structural view of the cover plate and the pole.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the shell structure of the lithium battery module with fixed overall dimensions comprises a shell 1, a cover plate 2 and side plates, wherein an upper opening 11 is formed in the upper surface of the shell 1, a side opening 12 is formed in the side surface of the shell, the interior of the shell 1 is divided into a first cavity for accommodating a battery core and a second cavity for accommodating a protection plate 8, the first cavity and the second cavity are arranged in the front and back direction and are communicated with each other, the bottom surface of the second cavity is higher than that of the first cavity, and the bottom surface of the second cavity is provided with a jack 15 for installing a sampling line connector; the difference in height of first cavity bottom surface and second cavity bottom surface is greater than the height of sampling line connector, the apron is equipped with two utmost point posts 23 of taking embedded installation, this technical scheme is through setting up the interface in the bottom surface of second cavity, and there is the difference in height in the bottom surface of second cavity and the bottom surface of first cavity, can make the plug connector hide in the casing below, prevent to appear by the plug connector and damage outside, the security of using is provided, the sampling line connector has been inserted on the interface, be used for other modules of protection shield control, and the utility model has the advantages of simple structure, the practicality is good, two utmost point posts through embedded installation, make different modules can establish ties, but kept the same overall dimension with lead acid battery and the advantage of series connection installation.

The utility model provides a fixed lithium battery module of overall dimension, includes that the shell structure that adopts foretell, a plurality of electric core 3 and follow the protection shield 8 that electric core drawed various data.

Each battery cell 3 is provided with two tabs 31 which are arranged up and down and correspond to the positive electrode and the negative electrode; side opening 12 department is equipped with a plurality of vertical settings and supplies utmost point ear 31 welded support 4, all supports 4 are the horizontal direction and arrange, the dismantled and assembled installation of support 4 in casing 1, can dismantle the monolithic electricity core with the casing side opening and get off and change, every electric core all has opposite support, demolish the back with the support from the casing and can take out support and electricity core from the side opening of casing, saved the time of later maintenance, reduced the influence to other electric cores, cancelled the isolation frame of installing between electric core, have easy dismounting, save space's advantage.

In addition, a side panel is generally installed at the side opening for the sake of beauty and safety.

1 diapire of casing is close to side opening 12 department and is equipped with spacing sand grip 13, 4 lower extremes of support are equipped with the spacing recess 41 with spacing sand grip 13 adaptation, and in the installation, open the apron, with electric core and support from last down place into the casing, correspond spacing recess and the spacing sand grip on every support, play and prevent electric core along length direction's drunkenness in the casing, improve stability.

The lower end of the support 4 is provided with a lower fixing part 5 connected with all the supports 4, the limiting convex strip 13 is provided with a plurality of bolt holes 131, the lower fixing part 5, the limiting convex strip 13 and the supports 4 are connected through bolts, and the lower fixing part connects all the supports to form a whole.

The utility model discloses a battery cell fixing device, including casing 1, side opening 12, first installation department 61 and second installation department 62, be equipped with between 4 upper ends of support and the casing 1 and be connected the two last mounting 6, it is equipped with the first installation department 61 and the second installation department 62 that the contained angle is 90 to go up mounting 6, pass through bolted connection between first installation department 61 and the crossbeam 14, also pass through bolted connection between second installation department 62 and all supports 4, the second installation department of going up the mounting couples together all leg joints, first installation department is installed on the crossbeam, guarantees that the whole drunkenness about can not taking place of electric core, goes up mounting and lower mounting with electric core firmly fix in the casing.

The generating line row 42 that corresponds with utmost point ear 31 is installed to both sides about the support 4, be equipped with the bar hole 43 that supplies utmost point ear 31 to pass in the middle of generating line row 42, utmost point ear is the slice and passes out in the bar hole that the support was arranged from the generating line, is being welded fastening on the generating line row.

Flexible clapboards (not shown) are arranged between every two adjacent electric cores 3 and between the electric cores 3 and the shell 1, in the existing installation mode, one electric core is placed in an isolation frame, each electric core is vertically and horizontally arranged, the space in the shell is greatly occupied, each electric core is isolated by the flexible clapboards adopted in the embodiment, and then the electric cores are stably installed in the shell through a support, an upper fixing piece and a lower fixing piece, so that the purposes of convenience in disassembly and assembly and space saving are realized;

the partition in this embodiment is made of foam.

The side opening in this embodiment enables the battery cell to be extracted from the upper opening after the upper fixing member and the lower fixing member are removed.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a shell structure of lithium battery module that overall dimension is fixed which characterized in that: the battery pack comprises a shell (1), a cover plate (2) and side plates, wherein an upper opening (11) is formed in the upper surface of the shell (1), a side opening (12) is formed in the side surface of the shell, a first cavity for accommodating a battery core and a second cavity for accommodating a protection plate (8) are formed in the shell (1), the first cavity and the second cavity are arranged in the front and back and are communicated with each other, the bottom surface of the second cavity is higher than that of the first cavity, and a plug-in port (15) for installing a sampling line connector is formed in the bottom surface of the second cavity.

2. The structure of a lithium battery module case according to claim 1, wherein: the height difference between the bottom surface of the first cavity and the bottom surface of the second cavity is larger than the height of the sampling line connector, and the cover plate is provided with two poles (23) with embedded installation.

3. The utility model provides a fixed lithium battery module of overall dimension which characterized in that: comprising the use of a housing structure according to any of claims 1-2, a number of cells (3) and a protection plate (8) for extracting various data from the cells.

4. The fixed-outline lithium battery module as claimed in claim 3, wherein: each battery cell (3) is provided with two tabs (31) corresponding to the positive and negative electrodes; side opening (12) department is equipped with a plurality of vertical settings and supplies utmost point ear (31) welded support (4), and all supports (4) are the horizontal direction and arrange, the dismantled and assembled installation of support (4) is in casing (1).

5. The fixed-outline lithium battery module as claimed in claim 4, wherein: the utility model discloses a portable electronic device, including casing (1), lateral opening (12) department is close to in casing (1) diapire and is equipped with spacing sand grip (13), support (4) lower extreme be equipped with spacing recess (41) of spacing sand grip (13) adaptation.

6. The fixed-outline lithium battery module as claimed in claim 5, wherein: support (4) lower extreme is equipped with lower mounting (5) of connecting all supports (4), be equipped with a plurality of bolt hole (131) on spacing sand grip (13), pass through bolted connection between lower mounting (5), spacing sand grip (13) and support (4).

7. The fixed-outline lithium battery module as claimed in claim 4, wherein: the utility model discloses a support of the building structure, including casing (1), side opening (12) upper end of casing (1) is equipped with crossbeam (14), be equipped with between support (4) upper end and casing (1) and be connected last mounting (6) of the two, it is 90 first installation department (61) and second installation department (62) to go up mounting (6) and be equipped with the contained angle, pass through bolted connection between first installation department (61) and crossbeam (14), also pass through bolted connection between second installation department (62) and all support (4).

8. The fixed-outline lithium battery module as claimed in claim 4, wherein: the utility model discloses a lead frame, including support (4), generating line row (42) that correspond with utmost point ear (31) are installed to both sides about support (4), be equipped with in the middle of generating line row (42) and supply utmost point ear (31) to pass bar hole (43).

9. The fixed-outline lithium battery module as claimed in claim 4, wherein: flexible clapboards are arranged between every two adjacent electric cores (3) and between the electric cores (3) and the shell (1).