CN214153084U

CN214153084U - Fixed frame and laminate polymer battery module

Info

Publication number: CN214153084U
Application number: CN202023287806.3U
Authority: CN
Inventors: 谢镇天; 吴王亮; 陈慧; 周金勇; 喻锟; 陈鑫; 李海军; 蔡惠群
Original assignee: Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-07
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a fixed frame and laminate polymer battery module. Fixed frame is used for laminate polymer battery module, including roof, connecting strip and bottom plate, the connecting strip is two, and the both ends of roof and bottom plate are connected respectively to two connecting strips, and roof and bottom plate all are perpendicular with the connecting strip to form the I-shaped structure, the last buckle that is provided with of fixed frame, two fixed frame can be connected in order through the buckle, and form fixed space between two fixed frame. The utility model provides a soft-packaged battery fix the poor and complicated problem of assembly of effect among the prior art.

Description

Fixed frame and laminate polymer battery module

Technical Field

The utility model relates to a battery technology field particularly, relates to a fixed frame and laminate polymer battery module.

Background

At present, laminate polymer battery structural strength is lower, needs external structure to fix it in groups. The existing soft package battery module forming method is various, firstly, the structure is not firm, the fixing effect is not good, the soft package battery module is easy to shake, and the potential safety hazard is large. Secondly, the assembly process has many parts, is complex and various, has complex assembly requirements in the aspect of process, and has insufficient light weight effect of the whole module.

From the above, the problems of poor fixing effect and complex assembly of the soft package battery exist in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fixed frame and laminate polymer battery module to laminate polymer battery fixed effect is poor and assemble complicated problem among the solution prior art.

In order to realize the above object, according to the utility model discloses an aspect provides a fixed frame for laminate polymer battery module, including roof, connecting strip and bottom plate, the connecting strip is two, and the both ends of roof and bottom plate are connected respectively to two connecting strips, and roof and bottom plate all are perpendicular with the connecting strip to form I-shaped structure, be provided with first buckle on the fixed frame, two fixed frames can be connected in order through first buckle, and form fixed space between two fixed frames.

Further, first buckle includes pin thread and box, and pin thread and box set up respectively in fixed frame's both sides, and a fixed frame's pin thread and another fixed frame's box lock to make two fixed frame connect.

Further, first buckle is a plurality of, is provided with first buckle on at least roof and the bottom plate.

Furthermore, the fixed frame is provided with two heat conduction openings, and the two heat conduction openings are respectively located on the bottom plate and the top plate.

Further, the two heat conduction through openings are the same in shape and are respectively located in the centers of the top plate and the bottom plate.

Further, the bottom plate has a first notch portion, and the first notch portion is arranged on one side of the bottom plate far away from the top plate.

Further, the first notch portion is trapezoidal.

According to the utility model discloses an another aspect provides a laminate polymer battery module, include: a plurality of soft package batteries; the fixing frames are arranged alternately with the soft-package batteries, and two adjacent fixing frames are connected to form a fixing space for fixing the soft-package batteries; the end plate, the end plate be two, and two end plates set up respectively at the both ends of laminate polymer battery module, and the end plate forms the fixed space of fixed laminate polymer battery with adjacent fixed frame connection.

Further, the end plate is provided with a second buckle, and the end plate is clamped with the fixed frame.

Further, the end plate has a second notch portion provided on an outer side surface of the bottom portion of the end plate.

Further, the shape of the second notch portion is the same as the shape of the first notch portion of the fixing frame.

Further, the end plate has a receiving groove on a side where the end plate is connected to the fixed frame, the receiving groove serving as at least a part of the fixed space.

Use the technical scheme of the utility model, fixed frame is used for laminate polymer battery module, including the roof, connecting strip and bottom plate, the connecting strip is two, the both ends of roof and bottom plate are connected respectively to two connecting strips, and roof and bottom plate all are perpendicular with the connecting strip, in order to form I-shaped structure, the last first buckle that is provided with of fixed frame, two fixed frame can connect in order through first buckle, and form fixed space between two fixed frame, fixed frame simple structure, and two fixed frame connect convenient and fast, the problem that laminate polymer battery fixed effect is poor and the assembly is complicated among the prior art has been solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a fixing frame in an embodiment of the invention;

fig. 2 shows an exploded view of a pouch battery module in an embodiment of the present invention;

fig. 3 shows a schematic structural view of an end plate in an embodiment of the invention.

Wherein the figures include the following reference numerals:

10. a top plate; 20. a connecting strip; 30. a base plate; 31. a first notch portion; 40. a first buckle; 41. a male buckle; 42. a female buckle; 50. a heat conducting port; 60. a pouch cell; 70. an end plate; 71. a second buckle; 72. a second notch portion; 73. accommodating grooves; 1. and fixing the frame.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In order to solve the problem that the fixed effect of laminate polymer battery is poor among the prior art and the assembly is complicated, the utility model provides a fixed frame and laminate polymer battery module. The soft-package battery module comprises a fixing frame.

As shown in fig. 1, the fixing frame is used for a pouch battery module, and includes a top plate 10, a connection bar 20, and a bottom plate 30. The number of the connecting strips 20 is two, and the two connecting strips 20 are respectively connected with two ends of the top plate 10 and the bottom plate 30. And the top plate 10 and the bottom plate 30 are perpendicular to the connection bar 20 to form an i-shaped structure. The fixing frames are provided with first buckles 40, and the two fixing frames can be sequentially connected through the first buckles 40 to form a fixing space between the two fixing frames.

Specifically, the connection point of the connecting strip 20 and the top plate 10 is located at the middle position of the two ends of the top plate 10. Similarly, the connection point of the connecting strip 20 and the bottom plate 30 is located at the middle position of the two ends of the bottom plate 30, thereby forming an I-shaped structure. That is, the fixing frame in the present embodiment has an i-shaped section in the direction from the top plate 10 to the bottom plate 30.

Be used for laminate polymer battery module through fixed frame, including roof 10, connecting strip 20 and bottom plate 30, connecting strip 20 is two, the both ends of roof 10 and bottom plate 30 are connected respectively to two connecting strips 20, and roof 10 and bottom plate 30 all are perpendicular with connecting strip 20, in order to form the I-shaped structure, the last first buckle 40 that is provided with of fixed frame, two fixed frame can be connected in order through first buckle 40, and form fixed space between two fixed frame, fixed frame simple structure, and two fixed frame connect convenient and fast, make laminate polymer battery in the laminate polymer battery module have good fixed effect and assemble simply.

As shown in fig. 1, the first buckle 40 includes a male buckle 41 and a female buckle 42, the male buckle 41 and the female buckle 42 are respectively disposed at two sides of the fixed frames, and the male buckle 41 of one fixed frame is buckled with the female buckle 42 of the other fixed frame, so that the two fixed frames are connected. Specifically, the male buckle 41 and the female buckle 42 are oppositely arranged at two sides of the fixed frame, so that when the two fixed frames are connected, the male buckle 41 of one fixed frame can be just buckled with the female buckle 42 of the other fixed frame, and the connection is convenient and fast.

Specifically, the first fasteners 40 are plural, and at least the top plate 10 and the bottom plate 30 are provided with the first fasteners 40. In the present embodiment, since the top plate 10 and the bottom plate 30 protrude outward with respect to the connection bar 20, when the two fixing frames are connected, the top plate 10 and the bottom plate 30 of the two fixing frames may first contact, and thus, the first catch 40 is provided on the top plate 10 and the bottom plate 30. Specifically, the male button 41 and the female button 42 are respectively disposed on both sides of the top plate 10 and the bottom plate 30.

As shown in fig. 1, the fixing frame is provided with a heat conductive through-hole 50. The number of the heat conduction through holes 50 is two, and the two heat conduction through holes 50 are respectively located on the bottom plate 30 and the top plate 10. Through setting up heat conduction opening 50, when the laminate polymer battery module that includes fixed frame in this embodiment installs on the battery box, can be laminate polymer battery's heat dissipation reservation passageway, can dispel the heat to laminate polymer battery through modes such as forced air cooling, liquid cooling or fin like this. Taking the heat sink as an example, the heat sink can be installed on the fixing frame through the heat conducting through hole 50, so that the heat sink can be close to the surface of the pouch battery 60, and the heat emitted by the pouch battery 60 can be conducted out in time.

In the present embodiment, the two heat conducting through openings 50 have the same shape and are respectively located at the centers of the top plate 10 and the bottom plate 30. Specifically, since the two connecting strips 20 are respectively connected to two ends of the top plate 10 and the bottom plate 30, a hollow accommodating space is defined by the two connecting strips 20, the top plate 10 and the bottom plate 30. Set up heat conduction opening 50 respectively in the center of roof 10 and bottom plate 30 for heat conduction device passes heat conduction opening 50 and is located the accommodation space, and the space in the rational utilization fixed frame like this makes fixed frame compact structure, and space utilization is high.

As shown in fig. 1, the bottom plate 30 has a first notch portion 31. The first notch 31 is provided on the side of the bottom plate 30 away from the top plate 10.

In the present embodiment, the first notch portion 31 has a trapezoidal shape. Specifically, the opening of the first notch portion 31 becomes larger toward the direction in which the bottom plate 30 is away from the top plate 10, and the first notch portion 31 is located at the middle position of the bottom plate 30. This results in two flanges at each end of the base plate 30. When the laminate polymer battery module that includes fixed frame in this embodiment installs on the battery box, have the recess with flange looks adaptation on the battery box, through unsmooth cooperation, fix the laminate polymer battery module on the battery box like this.

As shown in fig. 2, the pouch battery module includes a pouch battery 60, a fixing frame 1, and an end plate 70. The pouch battery 60 is plural. Fixed frame 1 is a plurality of, and fixed frame and laminate polymer battery 60 set up in turn, and two adjacent fixed frame 1 connect the fixed space that forms fixed laminate polymer battery 60. The end plate 70 is two, and two end plates 70 set up respectively at the both ends of laminate polymer battery module, and end plate 70 and adjacent fixed frame 1 connect the fixed space that forms fixed laminate polymer battery 60.

In the present embodiment, the number of pouch cells 60 and the number of fixing frames 1 may be determined according to the requirements of battery capacity and voltage in actual use. That is to say, through two adjacent fixed frames 1 with the fixed mode of a pouch battery 60, according to the actual use demand, the pouch battery module in this embodiment can increase or reduce the quantity of pouch battery 60 and fixed frame 1 in a flexible way and match. Thus, complex fixing structures and dismounting processes are not needed, and the applicability of the product is greatly improved.

As shown in fig. 3, the end plate 70 is provided with a second buckle 71, and the end plate 70 is clamped with the fixed frame 1. Specifically, the second buckle 71 on the end plate 70 may be a male buckle or a female buckle, depending on the type of the first buckle 40 on the side of the fixing frame 1 adjacent to the end plate 70 facing the end plate 70. Further, the position of the second catch 71 also corresponds to the position of the first catch 40 on the side of the adjacent fixed frame 1 facing the end plate 70, so that the end plate 70 is caught by the adjacent fixed frame 1.

As shown in fig. 3, the end plate 70 has a second notch portion 72. The second notch 72 is provided on the outer surface of the bottom of the end plate 70.

In the present embodiment, the shape of the second notch portion 72 is the same as the shape of the first notch portion 31 of the fixed frame 1. The bottom of the laminate polymer battery module in this sample embodiment forms coherent flange structure, and when the laminate polymer battery module in this embodiment was installed on the battery box, the recess that has on the battery box with flange structure looks adaptation, through unsmooth cooperation like this, fixes the laminate polymer battery module on the battery box.

As shown in fig. 3, the end plate 70 has a receiving groove 73. The receiving groove 73 is formed at a side where the end plate 70 is connected to the fixing frame 1, and the receiving groove 73 serves as at least a part of the fixing space. By arranging the receiving groove 73, when the end plate 70 is connected with the fixing frame 1, the receiving groove 73 becomes a part of the fixing space, and the soft package battery 60 is conveniently fixed.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: be used for laminate polymer battery module through fixed frame, including roof 10, connecting strip 20 and bottom plate 30, connecting strip 20 is two, the both ends of roof 10 and bottom plate 30 are connected respectively to two connecting strips 20, and roof 10 and bottom plate 30 all are perpendicular with connecting strip 20, in order to form the I-shaped structure, the last first buckle 40 that is provided with of fixed frame, two fixed frame can be connected in order through first buckle 40, and form fixed space between two fixed frame, fixed frame simple structure, and two fixed frame connect convenient and fast, make laminate polymer battery in the laminate polymer battery module have good fixed effect and assemble simply.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fixed frame for laminate polymer battery module, its characterized in that, includes roof (10), connecting strip (20) and bottom plate (30), connecting strip (20) are two, two connecting strip (20) are connected respectively roof (10) with the both ends of bottom plate (30), just roof (10) with bottom plate (30) all with connecting strip (20) are perpendicular to form the I-shaped structure, be provided with first buckle (40) on the fixed frame, two fixed frame can pass through first buckle (40) are connected in order, and are two form fixed space between the fixed frame.

2. The fixing frame according to claim 1, wherein the first snap (40) comprises a male snap (41) and a female snap (42), the male snap (41) and the female snap (42) are respectively disposed at both sides of the fixing frame, and the male snap (41) of one fixing frame is snapped with the female snap (42) of the other fixing frame to connect the two fixing frames.

3. A fixing frame according to claim 1, characterized in that said first snap (40) is a plurality of said snap (40) being provided on at least said top plate (10) and said bottom plate (30).

4. The fixing frame according to claim 1, characterized in that said fixing frame is provided with two heat conducting through openings (50), said two heat conducting through openings (50) being located on said bottom plate (30) and said top plate (10), respectively.

5. Fixing frame according to claim 4, characterized in that the two heat conducting through openings (50) are identical in shape and are located in the center of the top plate (10) and the bottom plate (30), respectively.

6. A fixing frame according to claim 1, characterized in that the bottom plate (30) has a first notch portion (31), the first notch portion (31) being provided on a side of the bottom plate (30) remote from the top plate (10).

7. The fixing frame according to claim 6, wherein the first notch portion (31) is trapezoidal.

8. The utility model provides a laminate polymer battery module which characterized in that includes:

a plurality of pouch batteries (60), wherein the pouch batteries (60) are provided;

the fixing frame of any one of claims 1 to 7, which is plural, the fixing frame and the pouch battery (60) are alternately arranged, and two adjacent fixing frames are connected to form a fixing space for fixing the pouch battery (60);

end plate (70), end plate (70) are two, two end plate (70) set up respectively the both ends of laminate polymer battery module, end plate (70) and adjacent fixed frame connects and forms fixedly laminate polymer battery (60) fixed space.

9. The laminate battery module as recited in claim 8, wherein the end plate (70) is provided with a second buckle (71), and the end plate (70) is clamped with the fixing frame.

10. The pouch battery module according to claim 8, wherein the end plate (70) has a second notch portion (72), the second notch portion (72) being provided at an outer side surface of a bottom portion of the end plate (70).

11. The pouch battery module according to claim 10, wherein the second notch part (72) has the same shape as the first notch part (31) of the fixing frame.

12. The pouch battery module according to claim 8, wherein the end plate (70) has a receiving groove (73), the receiving groove (73) being located at a side where the end plate (70) is connected to the fixing frame, the receiving groove (73) being at least a part of the fixing space.