CN216015560U

CN216015560U - Soft-packaged electrical core fixing device, soft-packaged electrical core module of keeping flat and place box

Info

Publication number: CN216015560U
Application number: CN202121672719.1U
Authority: CN
Inventors: 王乐; 唐艳龙; 陈汉科; 张鑫; 陈迪虎
Original assignee: Measurement Road Shenzhen Energy Storage Technology Co ltd
Current assignee: Measurement Road Shenzhen Energy Storage Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-11
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a soft-packaged cell fixing device, a soft-packaged cell horizontal placing module and a placing box body. The device is convenient to assemble, is more favorable for improving the assembly efficiency, can keep the appearance unchanged, is more favorable for meeting the use requirement, and solves the problem that the battery cell support can be arched in the middle when being heated by a limiting structure in the use process of the soft-packaged battery cell, thereby greatly improving the use safety and greatly prolonging the service life of equipment.

Description

Soft-packaged electrical core fixing device, soft-packaged electrical core module of keeping flat and place box

Technical Field

The utility model relates to the technical field of batteries, in particular to a soft-package battery cell fixing device, a soft-package battery cell flat-placing module and a placing box body.

Background

With the vigorous development of new energy electric vehicles, mobile energy storage equipment and factory large-scale logistics automation equipment, the soft package (lithium) battery has the advantages of small volume, light weight, high specific energy, high safety, flexible design, low production cost and the like, and is also rapidly developed. As shown in fig. 1 and 2, generally, in a plurality of series-parallel connection use processes of the conventional soft package battery cell, heat dissipation needs to be performed between each battery cell through a harmonica tube, and each soft package battery cell and each harmonica tube need to be fixed and limited through a plastic part.

If the utility model discloses a chinese utility model patent at grant notice No. CN209217025U, a soft-packaged electrical core module and box of keeping flat is disclosed, keep flat module and box including electric core, soft-packaged electrical core module of keeping flat includes the module epitheca, go up the insulating piece, the buffer block, soft-packaged electrical core fixed frame, the insulating piece is down, the module inferior valve, busbar and insulating protective cover, it is located the below of module epitheca to go up the insulating piece, the insulating piece is located the top of module inferior valve down, the buffer block is located soft-packaged electrical core's top, soft-packaged electrical core level is placed in soft-packaged electrical core fixed frame, soft-packaged electrical core fixed frame level is fixed in the middle of module epitheca and the module inferior valve, can adjust the height of module through the quantity of soft-packaged electrical core, make soft-packaged electrical core can be applicable to the low domestic passenger car of box more effectively.

For example, in the patent of the chinese utility model with the publication number CN207116552U, a fixed support of a soft-packaged electrical core is disclosed, which comprises an electrical core support, a soft-packaged electrical core arranged on the electrical core support and an insulating sheet attached outside the soft-packaged electrical core, wherein a soft-packaged electrical core is respectively arranged on the front and back surfaces of the electrical core support, and a heat conducting sheet is arranged between the two soft-packaged electrical cores; the battery cell support is the square frame structure, and the four sides form the fixed slot of soft-packaged electrical core by insulating material, soft-packaged electrical core install in the fixed slot, two the utmost point ear of soft-packaged electrical core passes through the busbar and connects. This kind is through being equipped with electric core support, can be so that the firm installation of electric core on the battery module.

The expansion phenomenon can appear to soft-packaged battery cell module in the use in current trade, and this kind is because electric core support (plastic part) extrusion of being heated, because electric core support (plastic part) rib does not support stress point about not makes its electric core support (plastic part) rib intermediate position arch up about. If electric core support (plastic part) wall thickness is too thin can make the range of its electric core support (plastic part) middle hunch-up very big, make the middle hunch-up of electric core support (plastic part) highly exceed electric core support (plastic part) wall thickness like this to lead to spacing unstability of insulating piece and flexible-package battery cell, if increase the wall thickness of muscle about electric core support (plastic part), then can lead to whole external dimension grow, can't obtain suitable flexible-package battery cell and flexible-package battery cell module.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides a soft-package battery cell fixing device, a soft-package battery cell flat-placing module and a placing box body.

(II) technical scheme to be adopted

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

soft-packaged electrical core fixing device, including electric core support and soft-packaged electrical core, the inside casing that is provided with of electric core support, be provided with in the inside casing soft-packaged electrical core, be provided with at least one mouth musical instrument board on the soft-packaged electrical core, mouth musical instrument board with the inside casing passes through limit structure fixed connection.

Preferably, the battery cell support is square, and correspondingly, the inner frame and the harmonica plate are square.

Preferably, the limiting structure comprises a limiting part arranged on the inner frame and a mounting groove arranged on the harmonica plate, and the limiting part is mounted on the mounting groove and used for fixing the harmonica plate in the inner frame.

Preferably, at least one limiting piece is arranged on each of two corresponding sides of the inner frame, and correspondingly, at least one mounting groove is formed in the side edge corresponding to the harmonica plate.

Preferably, two limiting parts are arranged on two corresponding side edges of the inner frame, correspondingly, two mounting grooves are arranged on two corresponding side edges of the harmonica plate, and the limiting parts are mounted in the mounting grooves to fix the harmonica plate in the inner frame.

Preferably, the limiting member is a T-shaped rib, and correspondingly, the mounting groove is a T-shaped groove.

Preferably, the harmonica plate is made of aluminum profiles, and the battery cell support is made of plastics.

In addition, the utility model also provides a flat-placing module of the soft-package battery cell fixing device, which comprises at least two soft-package battery cell fixing devices, wherein the adjacent soft-package battery cell fixing devices are connected in series through connecting rods.

In addition, the utility model also provides a placing box body of the soft-package battery cell fixing device, which comprises a box body, wherein the box body is used for placing the soft-package battery cell flat-placing module of the soft-package battery cell fixing device.

Preferably, the box includes that case lid and lower case lid assembly form, and be provided with the fixed frame of L shape on the soft-packaged electrical core module of keeping flat.

(III) technical effects to be achieved

The utility model has the beneficial effects that:

the soft-packaged cell comprises a cell support and a soft-packaged cell, wherein an inner frame is arranged in the cell support, the soft-packaged cell is arranged in the inner frame, at least one harmonica board is arranged on the soft-packaged cell, and the harmonica board and the inner frame are fixedly connected through a limiting structure;

secondly, the harmonica plate and the inner frame are fixedly connected through the limiting structure, and the problem that the cell support can be heated and arched in the middle is solved through the limiting structure in the use process of the soft-packaged cell, so that the use safety is greatly improved, and the service life of equipment is also greatly prolonged;

thirdly, the at least two soft-package battery cell fixing devices are connected in series through the connecting rods, so that the connection mode is simple, the installation is convenient, the damage of the equipment caused by heating in the use process can be improved, the use safety is greatly improved, and the service life of the equipment is prolonged;

the soft-package battery cell flat-placing module comprises a box body, wherein the box body is used for placing the soft-package battery cell flat-placing module of the soft-package battery cell fixing device, and the soft-package battery cell flat-placing module is reasonable in design, simple in structure, convenient to install and manufacture, extremely simple to use and convenient for people to use.

Drawings

Fig. 1 is a schematic diagram of a soft-package battery cell vertical-placing module provided in the prior art.

Fig. 2 is a schematic structural diagram of a fixing bracket of a soft-package battery cell in the prior art.

Fig. 3 is a schematic view of the soft-package battery cell fixing device of the utility model.

Fig. 4 is a schematic view of a flat module of the soft-package battery cell of the fixing device of the soft-package battery cell of the utility model.

Fig. 5 is an exploded view of the placing box of the soft-package battery cell fixing device of the utility model.

Fig. 6 is a schematic view of a placing box body of the soft-package battery cell fixing device of the utility model.

In the figure:

1, a battery cell bracket; 2, soft packaging the battery cell; 3, an inner frame; 4, harmonica plate; 5, a limiting structure; 11, a bracket positioning through hole; 51, a limiting member; and 52, mounting the groove.

10, fixing a soft-package battery cell; 20, connecting the rod.

100, a box body; 101, putting a box cover on the box; 102, a lower box cover; 103, fixing frames; 200, soft-packaged electrical core module of keeping flat.

Detailed Description

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are merely used for convenience of describing and simplifying the description, but do not indicate or imply that the device or element to which the reference is made 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," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: referring to fig. 3, soft-packaged battery cell fixing device, including electric core support 1 and soft-packaged battery cell 2, electric core support 1 is inside to be provided with inside casing 3, is provided with soft-packaged battery cell 2 in the inside casing 3, is provided with at least one harmonica board 4 on the soft-packaged battery cell 2, and harmonica board 4 passes through 5 fixed connection of limit structure with inside casing 3. The utility model has convenient assembly, is more beneficial to improving the assembly efficiency, can keep the shape unchanged and is more beneficial to meeting the use requirement.

Example two: on the basis of the first embodiment, as shown in fig. 3, the limiting structure 5 includes a limiting member 51 disposed on the inner frame 3 and a mounting groove 52 disposed on the harmonica plate 4, and the limiting member 51 is mounted on the mounting groove 52, so as to facilitate fixing the harmonica plate 4 in the inner frame 3. Further, the cell support 1 is square, and correspondingly, the inner frame 3 and the harmonica plate 4 are square. At least one limiting piece 51 is arranged on each of two corresponding sides of the inner frame 3, and correspondingly, at least one mounting groove 52 is arranged on the corresponding side edge of the harmonica plate 4. In the embodiment of the present invention, two limiting members 51 are disposed on two corresponding sides of the inner frame 3, and correspondingly, two mounting grooves 52 are disposed on two corresponding sides of the harmonica plate 4, so that the limiting members 51 are mounted in the mounting grooves 52, thereby fixing the harmonica plate 4 in the inner frame 3. It is further to be noted that the limiting member 51 is a T-shaped rib, and correspondingly, the mounting groove 52 is a T-shaped groove, which can be flexibly mounted and dismounted during mounting, and on the other hand, the T-shaped rib and the T-shaped groove are more favorable for mounting and fastening. Further, the harmonica plate 4 is made of aluminum profiles, and the battery cell support 1 is made of plastics. This kind of T type muscle and T type groove on the one hand carry out effectual drawing to preventing that the T type muscle on the electric core support 1 from warping and arching, spacing cooperation can effectually be carried out in on the other hand T type muscle and T type groove.

Example three: on the basis of the first embodiment or the second embodiment, as shown in fig. 3, support positioning holes 11 are further formed in four corners of the cell support 1, and the plurality of cell supports 1 can be fixed by penetrating the support positioning holes 11 through screws, so that the phenomenon of looseness between the cell supports 1 is prevented, and the stability of the cell supports 1 is improved.

Example four: on the basis of the first embodiment, the second embodiment or the third embodiment, further, two side edges of the soft package battery cell 2 are provided with the harmonica board 4, which is more favorable for better stabilizing the soft package battery cell 2, as shown in fig. 3, or one side of the soft package battery cell 2 is provided with the harmonica board 4, so that the type is various, and the choice for people is large.

Example five: on the basis of the first embodiment or the second embodiment or the third embodiment or the fourth embodiment, as shown in fig. 4, in addition, the utility model further provides a soft-package battery cell flat-placing module of the soft-package battery cell fixing device, which comprises the soft-package battery cell fixing device 10, at least two soft-package battery cell fixing devices 10 are provided, the adjacent soft-package battery cell fixing devices 10 are connected in series through a connecting rod 20, the connecting rod 20 adopts a screw rod, and the connecting rod 20 is correspondingly installed in a support positioning through hole 11 of the soft-package battery cell fixing device 10, so that the flat-placing module of the soft-package battery cell is favorably assembled, and the stability of the flat-placing module of the soft-package battery cell is favorably improved.

Example six: on the basis of the fifth embodiment, as shown in fig. 5 and fig. 6, in addition, the utility model further provides a placing box body of the soft package cell fixing device, which includes a box body 100, and the box body 100 is used for placing the soft package cell flat-placing module 200 of the soft package cell fixing device. The box body 100 is assembled by an upper box cover 101 and a lower box cover 102, and a master L-shaped fixing frame 103 is arranged on the soft-package battery cell flat-placing module 200. Further, at least one soft-package battery cell flat-placing module 200 is adopted in the embodiment of the utility model, two soft-package battery cell flat-placing modules 200 are adopted, two adjacent soft-package battery cell flat-placing modules 200 are fixedly connected together through fixing pieces, and the fixing pieces adopt connecting plates and screws.

The standard parts used in the application document can be purchased from the market, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, workers can complete normal operation of the parts according to a prior art manual, and the circuit connection adopts the conventional connection mode in the prior art, so that detailed description is not given.

It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.

Claims

1. Soft-packaged electrical core fixing device, including electric core support (1) and soft-packaged electrical core (2), its characterized in that: the electric core support is characterized in that an inner frame (3) is arranged inside the electric core support (1), the inner frame (3) is provided with the soft package battery core (2), at least one harmonica board (4) is arranged on the soft package battery core (2), and the harmonica board (4) is fixedly connected with the inner frame (3) through a limiting structure (5).

2. The soft-package cell fixing device of claim 1, wherein: the electric core support (1) is square, and correspondingly, the inner frame (3) and the harmonica plate (4) are square.

3. The soft-package cell fixing device of claim 2, wherein: the limiting structure (5) comprises a limiting part (51) arranged on the inner frame (3) and a mounting groove (52) arranged on the harmonica plate (4), and the limiting part (51) is mounted on the mounting groove (52) and used for fixing the harmonica plate (4) in the inner frame (3).

4. The soft-package cell fixing device of claim 3, wherein: at least one limiting piece (51) is arranged on each of two corresponding sides of the inner frame (3), and correspondingly, at least one mounting groove (52) is arranged on the corresponding side edge of the harmonica plate (4).

5. The flexible-package-cell fixing device of claim 4, wherein: two limiting parts (51) are arranged on two corresponding side edges of the inner frame (3), correspondingly, two mounting grooves (52) are arranged on two corresponding side edges of the harmonica plate (4), and the limiting parts (51) are mounted in the mounting grooves (52) to fix the harmonica plate (4) in the inner frame (3).

6. The flexible-package-cell fixing device of claim 3, 4 or 5, wherein: the limiting piece (51) adopts a T-shaped rib, and correspondingly, the mounting groove (52) adopts a T-shaped groove.

7. The soft-package cell fixing device of claim 1, wherein: the harmonica board (4) is made of aluminum profiles, and the battery cell support (1) is made of plastics.

8. Soft-packaged electrical core fixing device's soft-packaged electrical core module of keeping flat, its characterized in that: the flexible packaging cell fixing device (10) comprises at least two flexible packaging cell fixing devices (10) of any one of claims 1 to 7, and the adjacent flexible packaging cell fixing devices (10) are connected in series through a connecting rod (20).

9. Soft-packaged electrical core fixing device's box of placing, its characterized in that: the soft package cell flat-placing module (200) comprises a box body (100), wherein the box body (100) is used for placing the soft package cell flat-placing module (200) of the soft package cell fixing device of claim 8.

10. The soft package battery cell fixing device of claim 9 place box, its characterized in that: the box body (100) comprises an upper box cover (101) and a lower box cover (102) which are assembled, and a L-shaped fixing frame (103) is arranged on the soft package battery cell flat-placing module (200).