CN211045552U

CN211045552U - Fixing support and battery pack

Info

Publication number: CN211045552U
Application number: CN202020028876.8U
Authority: CN
Inventors: 李寅; 王俊; 杨政杰; 吴斌; 吴珍荣
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-07-17
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to a battery technology field provides a fixed bolster and battery package, fixed bolster, including link and two limiting plates, the link has two relative first ends and two second ends, and two limiting plates are outwards extended respectively by two first ends of link and are formed, and the second end of link is equipped with a plurality of partition structures that are used for separating the battery module with separating, and link and two limiting plates enclose to close and form the holding cavity, and each partition structure will the subspace unit that forms a plurality of holding battery modules is separated to the holding cavity. The utility model provides a fixed bolster is equipped with a plurality of partition structures on the second end of link, separates into a plurality of each subspace units with the holding cavity, and like this, each subspace unit places a battery module at least, can place a plurality of battery modules in the holding cavity promptly to the efficiency of battery package equipment will be improved, the cost in the equipment process is reduced and the space in the rational use battery package box.

Description

Fixing support and battery pack

Technical Field

The utility model relates to a battery technology field especially provides a fixed bolster and battery package.

Background

At present, a battery system is divided into a battery pack, a battery module and a single battery in sequence from high to low in a system level. The battery module is mostly produced by taking a single battery as a minimum unit, namely, the single battery is firstly produced, more than two single batteries are assembled into the battery module in a series and parallel connection mode through electric connection, and more than two battery modules form a battery pack in a series and parallel connection mode through electric connection.

In order to ensure the stable operation of the battery pack, the battery module inside the battery pack needs to be fixed with the box body of the battery pack. At present, battery module carries out mostly through the fixed bolster and fixes with the box of battery package, however, current fixed bolster once can only fix a battery module, like this, a battery package needs a plurality of fixed bolsters to fix battery module, thereby lead to the packaging efficiency low, increase material cost and cause the inner space of battery package extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixed bolster aims at solving the problem that current fixed bolster leads to battery package packaging efficiency low, material cost is high and interior space utilization is low because of the limited quantity of installation battery module.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a fixed bolster, including link and two limiting plates, the link has two relative first ends and relative and encloses two second ends that close and form the closed loop with two first ends, two limiting plates are outwards extended respectively by two first ends of link and form, the second end of link is equipped with a plurality of partition structures that are used for separating battery module with spacing, link and two limiting plates enclose and close and form the holding cavity, each partition structure separates the subspace unit that forms a plurality of holding battery modules with the holding cavity.

The utility model has the advantages that: the utility model provides a fixed bolster is equipped with a plurality of partition structures on the second end of link, separates into a plurality of each subspace units with the holding cavity, and like this, each subspace unit places a battery module at least, can place a plurality of battery modules in the holding cavity promptly to the efficiency of battery package equipment will be improved, the cost in the equipment process is reduced and the space in the rational use battery package box. As used herein, "a number" refers to an integer of at least 2.

In one embodiment, the separation structure is a separation plate formed by bending the second end of the connection frame toward the battery module.

Through adopting above-mentioned technical scheme, utilize the division board to separate the holding cavity, two battery module keep apart fixedly through a division board promptly.

In one embodiment, the connecting frame is provided with first mounting holes corresponding to the partition plates.

Through adopting above-mentioned technical scheme, when needs increase extra mounting structure, butt joint is carried out to the first mounting hole of accessible to correspond with the division board.

In one embodiment, each partition plate is provided with a second mounting hole.

Through adopting above-mentioned technical scheme, directly set up the mounting hole on the division board, equally can be used to connect other mounting structure.

In one embodiment, the limiting plate comprises a limiting part for limiting the battery module and a connecting part connected to the limiting part and used for being connected with the battery pack box, and one end of the limiting part, which is far away from the connecting part, is connected to the first end of the connecting frame.

Through adopting above-mentioned technical scheme, utilize two restriction parts and link to fix each battery module, and fix whole fixed bolster on the battery package box through the connecting portion.

In one embodiment, the limiting portion is provided with a fixing ring for fixing the wire harness.

Through adopting above-mentioned technical scheme for the usable solid fixed ring of ribbon of fixed pencil carries on spacingly for the fixed point.

In one embodiment, the connecting portion is provided with a plurality of third mounting holes for connecting the battery pack case.

Through adopting above-mentioned technical scheme, wear to establish each third mounting hole through the screw promptly and realize being connected of connecting portion and battery package box.

In one embodiment, the connecting part protrudes outwards to form a plurality of extending parts, and each extending part is provided with a fourth mounting hole for connecting the battery pack box body.

Through adopting above-mentioned technical scheme, further increase the connection fixed point of connecting portion and battery package box, improve the connection stability of the two.

In one embodiment, the side of the connecting frame facing away from the accommodating cavity is provided with a plurality of connecting posts for connecting the battery control device.

Through adopting above-mentioned technical scheme, through fixing battery control device on the link in each connection.

The utility model also provides a battery pack, including a plurality of battery modules and battery control device, still include like foretell fixed bolster, each battery module sets up in the holding cavity of fixed bolster side by side, and battery control device installs on the link of fixed bolster.

The utility model has the advantages that: the utility model provides a battery package, on the basis that has above-mentioned fixed bolster, a plurality of battery module of disposable mountable, like this, installation process still less promotes the installation effectiveness, and the installation uses still less auxiliary material, and the cost is lower and is higher to the space utilization of battery package box.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a fixing bracket according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing bracket according to a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the battery module comprises a fixing bracket 100, a connecting frame 10, a limiting plate 20, a first end 10a, a second end 10b, a partition structure 30, an accommodating cavity 10c, a subspace unit 10d, a first mounting hole 41, a limiting part 21, a connecting part 22, a reinforcing rib 50, a fixing ring 60, a third mounting hole 43, an extending part 23, a fourth mounting hole 44, a connecting column 11, a limiting column 12, a lightening hole 13, a second mounting hole 42, a battery module 200, a battery control device 300 and an L-type structural member 400.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, a fixing bracket 100 according to an embodiment of the present invention includes a connecting frame 10 and two limiting plates 20, wherein the connecting frame 10 has two first ends 10a opposite to each other and two second ends 10b opposite to each other and enclosing the two first ends 10a to form a closed loop, where the first ends 10a and the second ends 10b are used to define end sides of the connecting frame 10. The two limiting plates 20 are formed by extending the two first ends 10a of the connecting frame 10 outward respectively, and here, it can be understood that there can be any included angle between the limiting plates 20 and the connecting frame 10, and preferably, the limiting plates 20 are perpendicular to the first ends 10a of the connecting frame 10. The second end 10b of the connecting frame 10 is provided with a plurality of partition structures 30 at intervals for partitioning the battery modules, the connecting frame 10 and the two limiting plates 20 enclose to form an accommodating cavity 10c, and each partition structure 30 partitions the accommodating cavity 10c to form a plurality of sub-space units 10d for accommodating the battery modules.

The embodiment of the utility model provides a fixed bolster 100 is equipped with a plurality of partition structures 30 on the second end 10b of link 10, separates into a plurality of each subspace unit 10d with holding cavity 10c, and like this, a battery module can be placed at least to each subspace unit 10d, can place a plurality of battery modules in holding cavity 10c promptly to the efficiency of battery package equipment will be improved, the cost among the reduction equipment process and the internal space of rational use battery package box.

The partition structure 30 may be a plate, a rod, or other structures for partitioning the receiving cavity 10 c.

Example one

Referring to fig. 1, in the present embodiment, the partition structure 30 is a partition plate formed by bending the second end 10b of the connecting frame 10 toward the battery module. Here, the partition plate extends in the direction of the second end 10 b. The accommodating cavity 10c is partitioned by a partition plate, so that two battery modules are isolated and fixed by a partition plate, that is, two adjacent battery modules can be fixed by a connecting partition plate.

Further, referring to fig. 1, the connecting frame 10 is provided with first mounting holes 41 corresponding to the respective partition plates, it can be understood that, when additional mounting structures are required, the first mounting holes 41 can be abutted and correspond to the partition plates, for example, referring to fig. 1 and 3, the mounting structure is an L-shaped structural member 400, one end of which is connected to the first mounting holes 41 through screws, and the other end of which abuts against the partition plates, so as to extend the partition plates in the length direction, and at the same time, the mounting points of two adjacent battery modules are also increased.

Referring to fig. 1, in the present embodiment, the position-limiting plate 20 includes a position-limiting portion 21 for limiting the battery module and a connecting portion 22 connected to the position-limiting portion 21 and used for connecting with the battery pack case, and one end of the position-limiting portion 21 away from the connecting portion 22 is connected to the first end 10a of the connecting frame 10. It can be understood that any included angle may be formed between the position-limiting portion 21 and the connecting frame 10, preferably, the position-limiting portion 21 is perpendicular to the connecting frame 10, and any included angle may also be formed between the connecting portion 22 and the position-limiting portion 21, preferably, the connecting portion 22 is perpendicular to the position-limiting portion 21. When mounted, the connecting portion 22 is abutted against the battery pack case.

Preferably, referring to fig. 1, a plurality of ribs 50 are further disposed between the limiting portion 21 and the connecting portion 22 for improving the structural strength of the limiting plate 20.

Referring to fig. 1, in the present embodiment, a fixing ring 60 for fixing the wire harness is disposed on the limiting portion 21. It will be appreciated that the straps used to secure the wiring harness may be retained for securing points by respective securing rings 60.

Referring to fig. 1, the connecting portion 22 is provided with a plurality of third mounting holes 43 for connecting the battery pack case. That is, the connection portion 22 and the battery pack case are connected by inserting screws through the third mounting holes 43.

Referring to fig. 1, in order to further increase the connection fixing point of the connection portion 22 and the battery pack case and improve the connection stability of the connection portion and the battery pack case, the connection portion 22 protrudes outward to form a plurality of extension portions 23, and each extension portion 23 is provided with a fourth mounting hole 44 for connecting the battery pack case. Namely, the number of mounting holes for the screws to penetrate is increased.

Referring to fig. 1, in the present embodiment, a plurality of connection posts 11 for connecting a battery control device are disposed on a side of the connection frame 10 away from the accommodating cavity 10 c. Preferably, each connecting column 11 is a threaded column, and the battery control device is inserted into each threaded column and then fixed by a nut.

Referring to fig. 1, in the present embodiment, a plurality of limiting posts 12 are disposed on a side of the connecting frame 10 away from the accommodating cavity 10 c. Each of the restraint posts 12 functions to fix a buckle.

Referring to fig. 1, in the present embodiment, in order to reduce the total weight of the fixing bracket 100, a plurality of lightening holes 13 are further formed on the connecting frame 10. Here, the number and position of the lightening holes 13 can be adjusted according to the actual requirements. Preferably, the lightening holes 13 are square holes.

Example two

Referring to fig. 2, a difference of the first embodiment is that a second mounting hole 42 is formed on each partition plate. That is, the mounting holes are directly formed in the partition plate when other mounting structures are connected and the battery module is fixed.

Referring to fig. 3, an embodiment of the present invention further provides a battery pack, which includes a plurality of battery modules 200, a battery control device 300 and the fixing bracket 100, wherein the battery modules 200 are disposed in the accommodating cavity 10c of the fixing bracket 100 side by side, and the battery control device 300 is mounted on the connecting frame 10 of the fixing bracket 100.

The battery package of this application on the basis that has above-mentioned fixed bolster 100, a plurality of battery module 200 of disposable mountable, like this, installation process still less, promotes the installation effectiveness, and the installation uses auxiliary material still less, and the cost is lower and to the space utilization of battery package box higher.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A fixed bolster which characterized in that: including link and two limiting plates, the link have relative two first ends and relative and with two first end encloses to close two second ends that form the closed loop, two the limiting plate by two of link first end outwards extends respectively and forms, the link the second end is equipped with a plurality of partition structures that are used for separating battery module with separating, link and two the limiting plate encloses to close forms the holding cavity, each partition structure will the subspace unit that forms a plurality of holding battery modules is separated to the holding cavity.

2. The securing bracket according to claim 1, wherein: the separating structure is a separating plate formed by bending the second end of the connecting frame towards the battery module.

3. The securing bracket of claim 2, wherein: the connecting frame is provided with first mounting holes corresponding to the partition plates.

4. The securing bracket of claim 2, wherein: and a second mounting hole is formed in each partition plate.

5. The securing bracket according to claim 1, wherein: the limiting plate is including the spacing portion that is used for spacing battery module and connect in spacing portion just is used for the connecting portion of being connected with the battery package box, spacing portion is kept away from the one end of connecting portion connect in the link first end.

6. The securing bracket according to claim 5, wherein: and the limiting part is provided with a fixing ring for fixing the wire harness.

7. The securing bracket according to claim 5, wherein: the connecting part is provided with a plurality of third mounting holes for connecting the battery pack box body.

8. The securing bracket according to claim 5, wherein: the connecting part protrudes outwards to form a plurality of extending parts, and a fourth mounting hole for connecting the battery pack box body is formed in each extending part.

9. The fixing bracket according to any one of claims 1 to 8, characterized in that: one side of the connecting frame, which deviates from the accommodating cavity, is provided with a plurality of connecting columns for connecting a battery control device.

10. The utility model provides a battery pack, includes a plurality of battery module and battery controlling means, its characterized in that: the fixing bracket of any one of claims 1 to 9, wherein the battery modules are arranged in the accommodating cavities of the fixing bracket side by side, and the battery control device is mounted on the connecting frame of the fixing bracket.