CN216563357U

CN216563357U - Soft-packaged battery cell with aluminum plastic film

Info

Publication number: CN216563357U
Application number: CN202122862509.5U
Authority: CN
Inventors: 何学祥; 周杰
Original assignee: Guangdong Jiashang New Energy Technology Co ltd
Current assignee: Guangdong Jiashang New Energy Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-17
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a soft package battery cell with an aluminum plastic film, which comprises a battery pack, wherein the battery pack is formed by connecting a plurality of battery cell bodies in parallel, a shell is arranged on the outer side of each battery cell body, and the outer wall of the shell is wrapped with the aluminum plastic film; the battery pack is provided with a mounting bracket; according to the utility model, the battery cell body can be better protected by wrapping the aluminum-plastic film on the outer side of the shell of the battery cell body, because the aluminum-plastic film has good protective performance: such as oxygen resistance, moisture resistance, puncture resistance, high strength, high toughness, air permeability, ultraviolet resistance, chemical resistance and the like, and the installation support arranged on the outer side of the battery pack is convenient for the integral assembly of the battery pack.

Description

Soft-packaged battery cell with aluminum plastic film

Technical Field

The utility model relates to the technical field of soft-package battery cells, in particular to a soft-package battery cell with an aluminum plastic film.

Background

Soft-packaged electrical core is the important component part that constitutes soft-packaged lithium cell, and the application range of lithium cell and extensive, and then its service environment is also very abundant, consequently needs soft-packaged electrical core to possess better stability, and soft-packaged electrical core among the prior art is except using the shell as basic protection, is not equipped with other protective structure, and then can influence its life, increases its use cost. In view of this, we propose a flexible-package cell with an aluminum plastic film.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a soft package battery cell with an aluminum plastic film.

The technical scheme of the utility model is as follows:

a soft package battery cell with an aluminum plastic film comprises a battery pack, wherein the battery pack is formed by connecting a plurality of battery cell bodies in parallel, a shell is arranged on the outer side of each battery cell body, and the outer wall of the shell is wrapped with the aluminum plastic film; install the installing support on the group battery, the installing support includes the mounting panel of two parallel symmetry settings, the group battery is located two between the mounting panel, offer on the mounting panel and be used for placing the mounting groove of group battery.

As preferred technical scheme, the mounting panel is located one side of group battery is close to right-hand member edge sliding connection and is had a fixed slide, the mounting panel is located the mounting groove right side is seted up the lower draw-in groove of a plurality of equidistant range, fixed slide with one side left end department that the mounting panel contacted seted up with the last draw-in groove that the draw-in groove aligns down.

As a preferred technical scheme, the positive electrode of the battery cell body is located in the upper clamping groove and the lower clamping groove, and the negative electrode of the battery cell body is located in the upper clamping groove and the lower clamping groove.

As the preferred technical scheme, the fixed sliding plate and the front end and the rear end of one side of the mounting plate are integrally formed with a sliding block, and the mounting plate is provided with a sliding groove in sliding connection with the sliding block.

As preferred technical scheme, the mounting panel right-hand member is the outside lug of equal fixedly connected with in both sides around, is located the below mounting panel left side top with be located the below the connecting axle under the equal fixedly connected with in lug top is located the top mounting panel left side bottom with be located the top the connecting axle is gone up to the equal fixedly connected with in lug bottom.

As a preferred technical scheme, a threaded cylinder is arranged between the lower connecting shaft and the upper connecting shaft, and the threaded cylinder is in threaded connection with both the upper connecting shaft and the lower connecting shaft.

As a preferred technical scheme, a wiring terminal provided with a wiring hole is fixedly connected to the center of the outer wall of the right side of the fixed sliding plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the battery cell body can be better protected by wrapping the aluminum-plastic film on the outer side of the shell of the battery cell body, because the aluminum-plastic film has good protective performance: such as oxygen resistance, moisture resistance, puncture resistance, high strength, high toughness, air permeability, ultraviolet resistance, chemical resistance and the like, and the installation support arranged on the outer side of the battery pack is convenient for the integral assembly of the battery pack.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 with the mounting plate and bumps removed;

FIG. 3 is a partial schematic view of a mounting bracket according to the present invention;

fig. 4 is a cross-sectional view of the cell body, the casing and the aluminum-plastic film in the present invention;

FIG. 5 is an enlarged view of FIG. 4 at A.

The meaning of the individual reference symbols in the figures is:

a battery pack 1; a cell body 10; a housing 11; an aluminum plastic film 12; a mounting bracket 2; a mounting plate 20; a mounting groove 200; a lower card slot 201; a chute 202; a bump 21; a lower connecting shaft 22; a threaded cylinder 23; an upper connecting shaft 24; a fixed slide plate 25; an upper card slot 250; a slider 251; a terminal 26; a wire connection hole 260.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a soft package battery cell with an aluminum plastic film comprises a battery pack 1, wherein the battery pack 1 is formed by connecting a plurality of battery cell bodies 10 in parallel, a shell 11 is arranged on the outer side of each battery cell body 10, and the outer wall of each shell 11 is wrapped with the aluminum plastic film 12; install installing support 2 on group battery 1, installing support 2 includes the mounting panel 20 of two parallel symmetry settings, and group battery 1 is located between two mounting panels 20, offers the mounting groove 200 that is used for placing group battery 1 on the mounting panel 20.

It is supplementary to need, and the plastic-aluminum membrane 12 can carry out better protection to electric core body 10 on the parcel of the shell outside of electric core body 10 because the plastic-aluminum membrane has good barrier propterty: such as oxygen barrier, moisture protection, puncture resistance, high strength, high toughness, gas permeability, ultraviolet resistance, chemical resistance, etc., and the installation bracket 2 arranged at the outer side of the battery pack 1 is also convenient for the integral assembly of the battery pack 1.

Preferably, one side of the mounting plate 20, which is located on the battery pack 1, is close to the right edge and is slidably connected with a fixed sliding plate 25, the right side of the mounting plate 20, which is located on the mounting groove 200, is provided with a plurality of lower clamping grooves 201 which are arranged at equal intervals, and the left end of the side, which is in contact with the mounting plate 20, of the fixed sliding plate 25 is provided with an upper clamping groove 250 which is aligned with the lower clamping grooves 201.

Preferably, in this embodiment, the positive electrode of the battery cell body 10 is located in the upper card slot 250 and the lower card slot 201, and the negative electrode of the battery cell body 10 is located in the lower card slot 250 and the lower card slot 201.

It should be noted that, the battery pack 1 is placed in the mounting groove 200 on the mounting plate 20 located below, and then the mounting plate 20 above the battery pack is covered, and the positive electrode of the battery cell body 10 is located above, and when the positive electrode and the negative electrode of the battery cell body 10 are located in the lower clamping groove 201, the fixed sliding plate 25 is slid, so that the upper clamping groove 250 on the fixed sliding plate 25 also slides to the positive electrode and the negative electrode of the battery cell body 10.

It should be added that the mounting plate 20 in this embodiment is made of a non-metal material, and the fixing sliding plate 25 is made of copper, so that the fixing sliding plate 25 can be directly utilized to connect the plurality of cell bodies 10 in parallel.

Preferably, the fixed sliding plate 25 and the mounting plate 20 are integrally formed with a sliding block 251 at each of front and rear ends of one side, and the mounting plate 20 is provided with a sliding groove 202 slidably connected to the sliding block 251.

It should be noted that this arrangement allows the connection between the fixed slide 25 and the mounting plate 20 to be more compact and not to be disengaged.

Preferably, a bump 21 is fixedly connected to the front side and the rear side of the right end of the mounting plate 20, a lower connecting shaft 22 is fixedly connected to the top of the left side of the mounting plate 20 below and the top of the bump 21 below, and an upper connecting shaft 24 is fixedly connected to the bottom of the left side of the mounting plate 20 above and the bottom of the bump 21 above.

Preferably, a threaded cylinder 23 is provided between the lower connecting shaft 22 and the upper connecting shaft 24, and the threaded cylinder 23 is threadedly connected to both the upper connecting shaft 24 and the lower connecting shaft 22.

It should be noted that, after the two mounting plates 20 are installed, the upper connecting shaft 24 and the lower connecting shaft 22 can be gradually close to each other by screwing the threaded cylinder 23 under the action of the threaded cylinder 23, and then the two mounting plates 20 are driven to gradually close to each other, so that the battery pack 1 located between the two mounting plates 20 can be clamped and fixed.

It should be added that the threads on the upper connecting shaft 24 and the lower connecting shaft 22 are opposite in direction in this embodiment.

Preferably, a terminal 26 with a wiring hole 260 is fixedly connected to the center of the outer wall of the right side of the fixed sliding plate 25.

It should be noted that the terminal 26 with the wiring hole 260 is provided to facilitate the use of the device of the present embodiment.

When the soft-packaged battery cell with the aluminum-plastic film is used, the battery cell body 10 can be better protected by wrapping the aluminum-plastic film 12 on the outer side of the shell of the battery cell body 10, because the aluminum-plastic film has good protective performance, in the fitting process, the battery pack 1 is first placed in the mounting groove 200 on the mounting plate 20 located below, then the mounting plate 20 above the battery cell is covered, and the positive poles of the battery cell bodies 10 are all positioned above the battery cell bodies, when the positive and negative electrodes of the cell body 10 are both positioned in the lower clamping groove 201, the sliding plate 25 is fixed by sliding, so that the upper clamping groove 250 on the fixed sliding plate 25 also slides to the positive pole and the negative pole of the battery core body 10, after the two mounting plates 20 are installed, the upper connecting shaft 24 and the lower connecting shaft 22 can be gradually closed under the action of the threaded cylinders 23 by screwing the threaded cylinders 23, and then the two mounting plates 20 are driven to gradually approach, so that the battery pack 1 between the two mounting plates 20 can be clamped and fixed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a soft-packaged electrical core with plastic-aluminum membrane, includes group battery (1), its characterized in that: the battery pack (1) is formed by connecting a plurality of battery cell bodies (10) in parallel, a shell (11) is arranged on the outer side of each battery cell body (10), and an aluminum plastic film (12) is wrapped on the outer wall of each shell (11); install installing support (2) on group battery (1), installing support (2) include mounting panel (20) that two parallel symmetries set up, group battery (1) are located two between mounting panel (20), offer on mounting panel (20) and be used for placing mounting groove (200) of group battery (1).

2. The flexible-package battery cell with the aluminum-plastic film of claim 1, wherein: mounting panel (20) are located one side of group battery (1) is close to right-hand member edge sliding connection has a fixed slide (25), mounting panel (20) are located mounting groove (200) right side is seted up lower draw-in groove (201) that a plurality of was arranged at an equal interval, fixed slide (25) with one side left end department that mounting panel (20) contacted seted up with last draw-in groove (250) that draw-in groove (201) aligns down.

3. The flexible-package battery cell with the aluminum-plastic film according to claim 2, wherein: the positive pole of the battery cell body (10) is positioned in the upper clamping groove (250) and the lower clamping groove (201) above, and the negative pole of the battery cell body (10) is positioned in the upper clamping groove (250) and the lower clamping groove (201) below.

4. The flexible-package battery cell with the aluminum-plastic film according to claim 3, wherein: the fixed sliding plate (25) and the front end and the rear end of one side of the mounting plate (20) are integrally formed with a sliding block (251), and the mounting plate (20) is provided with a sliding groove (202) which is in sliding connection with the sliding block (251).

5. The flexible-package battery cell with the aluminum-plastic film of claim 1, wherein: mounting panel (20) right-hand member front and back both sides outside equal fixedly connected with lug (21), be located the below mounting panel (20) left side top with be located the below connecting axle (22) under the equal fixedly connected with in lug (21) top is located the top mounting panel (20) left side bottom with be located the top connecting axle (24) are gone up to equal fixedly connected with in lug (21) bottom.

6. The flexible-package battery cell with the aluminum-plastic film of claim 5, wherein: a threaded cylinder (23) is arranged between the lower connecting shaft (22) and the upper connecting shaft (24), and the threaded cylinder (23) is in threaded connection with both the upper connecting shaft (24) and the lower connecting shaft (22).

7. The flexible-package battery cell with the aluminum-plastic film according to claim 4, wherein: the center of the outer wall of the right side of the fixed sliding plate (25) is fixedly connected with a binding post (26) provided with a wiring hole (260).