CN212113789U

CN212113789U - Laminate polymer battery module that electric core can be dismantled alone

Info

Publication number: CN212113789U
Application number: CN202020634190.3U
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: 2020-12-08
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a soft package battery module with independently detachable battery cells, which relates to the battery field and comprises a shell, a cover plate and a plurality of battery cells, wherein each battery cell is provided with two tabs corresponding to a positive electrode and a negative electrode; the higher authority of casing is equipped with the upper shed and its side is equipped with the side opening, 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 utility model has the advantages of easy dismounting and space saving.

Description

Laminate polymer battery module that electric core can be dismantled alone

Technical Field

The utility model relates to a battery field, concretely relates to soft-packaged battery module that electric core can be dismantled alone.

Background

The existing vehicle-mounted soft package battery module is generally assembled with the battery cell and placed into the shell, the shell is only provided with an upper opening, the battery cell is integrally taken out when the battery cell is required to be disassembled and maintained for one of the battery cells at each time, then one of the battery cells is disassembled, the whole operation is complex and troublesome, and the existing structure has the problem of large occupied space.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a easy dismounting, the laminate polymer battery module that saves space's electric core can be dismantled alone.

The utility model discloses the technical scheme who adopts: a soft package battery module with an independently detachable battery cell comprises a shell, a cover plate and a plurality of battery cells, wherein each battery cell is provided with two tabs corresponding to a positive electrode and a negative electrode; the higher authority of casing is equipped with the upper shed and its side is equipped with the side opening, 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 lower fixing piece is connected with the supports through bolts, the limiting convex strips are provided with a plurality of bolt holes, and the lower fixing piece, the limiting convex strips and the supports 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: can dismantle through this technical scheme with casing upper shed with single electric core and get off to change, every electric core all has opposite support, demolish the support from the casing after can taking support and electric core out from the casing upper shed, the time of later maintenance has been saved, the influence to other electric cores has been reduced, and the multifunctional electric heating device has the advantages of easy dismounting, and saves space, traditional integral electric core support has been left out, the stay bolt has been cancelled, the cost is reduced, maintenance work load is reduced, module weight is reduced, and energy density is improved.

Drawings

Fig. 1 is the utility model provides a laminate polymer battery module's that electric core can be dismantled alone structural schematic diagram.

Fig. 2 is a schematic diagram of a split structure of the pouch battery module.

Fig. 3 is a schematic structural diagram of a battery cell and a bracket.

Fig. 4 is a structural schematic diagram of the stent.

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 diagram of the housing.

Detailed Description

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

as shown in the figure, the soft package battery module with the independently detachable battery cell comprises a shell 1, a cover plate 2 and a plurality of battery cells 3, wherein each battery cell 3 is provided with two tabs 31 corresponding to a positive electrode and a negative electrode; an upper opening 11 is formed in the shell 1, a side opening 12 is formed in the side surface of the shell, a plurality of vertically arranged supports 4 for welding the tabs 31 are arranged at the side openings 12, all the supports 4 are arranged in the horizontal direction, the supports 4 are detachably mounted in the shell 1, the upper opening 11 of the shell can be detached from a single battery cell for replacement, each battery cell is provided with an opposite support, and the supports and the battery cells can be taken out from the upper opening 11 of the shell (flexible partition plates between the battery cells are taken out in advance) after the supports are detached from the shell, so that the time for later maintenance is saved, and the influence on other battery cells is reduced; the integral battery cell support arranged between the battery cells is eliminated, the battery cell support has the advantages of being convenient to disassemble and assemble and saving space, the traditional integral battery cell support is omitted, the long bolt is eliminated, the cost is reduced, the maintenance workload is reduced, the weight of the module is reduced, and the energy density is improved.

In addition, the side opening is provided with a side plate which can play a role in heat dissipation and sealing.

1 diapire of casing is close to side opening 12 department and is equipped with spacing sand grip 13, and it has corresponding screw hole to go up, 4 lower extremes of support are equipped with the spacing recess 41 with spacing sand grip 13 adaptation, in the installation, open the apron, and with electric core and support from last down place into the casing, correspond spacing recess and the spacing sand grip on every support, screw up the screw, 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 lower fixing part 5 is connected with the supports 4 through bolts, a plurality of bolt holes 131 are formed in the limiting convex strips 13, the lower fixing part 5, the limiting convex strips 13 are connected with the supports 4 through bolts, and all the supports are connected through the lower fixing part, so that all the electric cores 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.

A flexible partition board is arranged between every two adjacent electric cores 3, the existing installation mode is that one electric core is placed in an installation frame, and each electric core is vertically and horizontally arranged, so that the space in the shell is greatly occupied;

the partition in this embodiment is made of foam.

The length dimension of the upper opening 11 is larger than that of the battery cell 3, and the upper opening in this embodiment enables the battery cell to be extracted from the upper opening after the upper fixing piece 5 and the lower fixing piece 6 of the bracket 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. A soft package battery module with an independently detachable battery cell comprises a shell (1), a cover plate (2) and a plurality of battery cells (3), wherein each battery cell (3) is provided with two tabs (31) corresponding to a positive electrode and a negative electrode; the method is characterized in that: the higher authority of casing (1) is equipped with opening (11) and its side and is equipped with side opening (12), 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).

2. The laminate polymer battery module that electric core can dismantle alone of claim 1, its characterized in that: 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.

3. The laminate polymer battery module that electric core can be dismantled alone of claim 2, its characterized in that: 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).

4. The laminate polymer battery module that electric core can dismantle alone of claim 1, its characterized in that: 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).

5. The laminate polymer battery module that electric core can dismantle alone of claim 1, its characterized in that: 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).

6. The laminate polymer battery module that electric core can dismantle alone of claim 1, its characterized in that: flexible clapboards are arranged between every two adjacent electric cores (3) and between the electric cores (3) and the shell (1).