CN217062341U

CN217062341U - Module frame and battery system

Info

Publication number: CN217062341U
Application number: CN202220937362.3U
Authority: CN
Inventors: 程国阳; 刘勇; 何杰锋
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-26
Anticipated expiration: 2032-04-21

Abstract

The utility model provides a module frame and battery system relates to battery technical field. The module frame comprises an end plate, a sleeve and a bottom plate. The through-hole has been seted up to the end plate, first mounting hole has been seted up to the sleeve pipe, the protruding fixed column that is equipped with of bottom plate, the fixed column inserts in the first mounting hole, through with the bushing insert in the through-hole of end plate, and will insert the fixed column on the sheathed tube first mounting hole alignment bottom plate of end plate, make in the fixed column embedding first mounting hole, thereby can restrict the end plate and take place the displacement, and can ensure that the stress point of end plate all is at the sleeve pipe, avoid leading to the end plate loss or even inefficacy under the circumstances that the end plate bore great impact, consequently, the structural strength of end plate has been strengthened, the life of module frame has been prolonged.

Description

Module frame and battery system

Technical Field

The utility model relates to a battery technology field particularly, relates to a module frame and battery system.

Background

Along with the increasing of the energy storage market, the demand of energy storage battery modules and systems is more and more vigorous, and especially the demand of the battery modules and systems which are convenient to produce and have perfect structural performance is more and more great.

The end plate of current battery module is the non metallic material mostly, through the structural strength of embedding steel bushing in order to strengthen the end plate, inserts the fixed column simultaneously the end plate with fixed end plate, nevertheless under the condition that the end plate bore great impact, fixed column and bolt direct action on non metallic material's end plate lead to the end plate damage easily, reduce end plate intensity and make the effect of end plate invalid even.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a module frame and battery system, its structural strength that can increase the end plate avoids the fixed column to cause the damage to the end plate.

The embodiment of the utility model is realized like this:

in a first aspect, the present invention provides a module frame, comprising an end plate, a sleeve and a bottom plate;

the end plate is provided with a through hole;

the sleeve is inserted into the through hole and provided with a first mounting hole;

the bottom plate is convexly provided with a fixing column, and the fixing column is inserted into the first mounting hole so as to limit the end plate.

In an alternative embodiment, the sleeve comprises a first section and a second section which are connected with each other, the second section is close to the bottom of the end plate, the first mounting hole is formed in the second section, and the length of the fixing column is equal to that of the second section.

In an optional embodiment, the first section is provided with a second mounting hole communicated with the first mounting hole, and the second mounting hole is used for allowing a bolt to enter and is in threaded fit with the fixing column inserted into the first mounting hole.

In an alternative embodiment, the diameter of the second section is greater than the diameter of the first section.

In an alternative embodiment, the through holes include a first through hole and a second through hole which are communicated with each other, the second through hole is close to the bottom of the end plate, and the diameter of the second through hole is larger than that of the first through hole;

the first section is matched with the first through hole, and the second section is matched with the second through hole.

In an optional embodiment, a first connecting surface is disposed between the first section and the second section, a second connecting surface is disposed between the first through hole and the second through hole, and the first connecting surface is configured to abut against the second connecting surface.

In an optional embodiment, the number of the fixing columns includes a plurality of fixing columns, and the plurality of fixing columns are respectively arranged on two sides of the bottom plate;

the quantity of end plate includes a plurality ofly, the both sides of end plate have all been seted up the through-hole, it is a plurality of the fixed column is with a plurality of the through-hole one-to-one.

In an optional implementation manner, the module frame further includes a rolling belt, a first installation portion and a second installation portion are arranged on a side edge of the through hole formed in the end plate, the first installation portion and the second installation portion are both arc-surface-shaped, and the rolling belt is sleeved on the first installation portion and the second installation portion.

In an alternative embodiment, the first and second mounting portions are located at both ends of a side edge of the end plate, respectively.

In a second aspect, the present invention provides a battery system comprising a module frame according to any one of the previous embodiments.

The embodiment of the utility model provides a module frame and battery system's beneficial effect includes: through in the through-hole with the bushing insert end plate to the fixed column on the sheathed tube first mounting hole alignment bottom plate that will insert the end plate, make in the fixed column embedding first mounting hole, thereby can restrict the end plate and take place the displacement, and can ensure that the stress point of end plate all is at the sleeve pipe, avoid bearing leading to the end plate loss or even inefficacy under the condition of great impact at the end plate, consequently strengthened the structural strength of end plate, prolonged the life of module frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a battery system according to an embodiment of the present invention;

fig. 2 is a partial exploded view of a battery system according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an end plate and a sleeve according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of an end plate and a sleeve provided by an embodiment of the present invention;

fig. 5 is a schematic view of a bottom plate structure provided in the embodiment of the present invention.

An icon: 10-a battery system; 100-a module frame; 110-end plate; 111-a via; 112-a first via; 113-a second via; 114-a second connection face; 115-a first mounting portion; 116-a second mounting portion; 117-a limiting part; 120-a cannula; 121-first section; 122-second segment; 123-a first mounting hole; 124-second mounting hole; 125-a first connection face; 130-a backplane; 131-fixed columns; 140-rolling the strip; and (5) 200-cell.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, 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.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

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, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a battery system 10, which includes a module frame 100 and a plurality of battery cells 200. In this embodiment, a plurality of battery cells 200 are arranged in parallel to form a plurality of modules, and the plurality of modules can be stably installed in the module frame 100. Therefore, the utility model provides a battery system 10 simple structure produces high-efficiently.

Referring to fig. 2 to 5, the module frame 100 of the present invention includes an end plate 110, a sleeve 120 and a bottom plate 130.

The end plate 110 is provided with a through hole 111, the sleeve 120 is inserted into the through hole 111, the sleeve 120 is provided with a first mounting hole 123, the bottom plate 130 is convexly provided with a fixing column 131, and the fixing column 131 is inserted into the first mounting hole 123 to limit the end plate 110.

In the present embodiment, the bottom plate 130 is a housing of the battery system 10, the bottom plate 130 has a side wall (not shown), and the end plate 110 and the battery module are accommodated in an accommodating cavity defined by the bottom plate 130 and the side wall.

In practical applications, the bushings 120 are inserted into the through holes 111 of the end plates 110, and the first mounting holes 123 of the bushings 120 inserted into the end plates 110 are aligned with the fixing posts 131 on the bottom plate 130, so that the fixing posts 131 are embedded into the first mounting holes 123, thereby limiting the displacement of the end plates 110, ensuring that the stress points of the end plates 110 are all located in the bushings 120, avoiding the loss or even failure of the end plates 110 under the condition that the end plates 110 bear large impact, thus enhancing the structural strength of the end plates 110 and prolonging the service life of the module frame 100.

Further, the sleeve 120 includes a first section 121 and a second section 122 connected to each other, the second section 122 is close to the bottom of the end plate 110, the first mounting hole 123 is opened in the second section 122, and the length of the fixing column 131 is equal to the length of the second section 122.

In this embodiment, the first mounting hole 123 is formed in the second section 122, and the diameter of the fixing post 131 is slightly smaller than the diameter of the first mounting hole 123, so that the shape of the fixing post 131 is adapted to the first mounting hole 123, and it is ensured that the fixing post 131 can be just lifted into the first mounting hole 123, thereby improving the adaptability and structural strength of the fixing post 131 and the sleeve 120.

Further, the first section 121 is provided with a second mounting hole 124 communicated with the first mounting hole 123, and the second mounting hole 124 is used for allowing a bolt to enter and is in threaded fit with the fixing column 131 inserted into the first mounting hole 123.

In the present embodiment, the first mounting hole 123 and the second mounting hole 124 communicate with each other, and in the case where the bushing 120 is inserted into the through-hole 111 of the end plate 110, the first mounting hole 123 is close to the bottom of the end plate 110, and the second mounting hole 124 is close to the top of the end plate 110.

Specifically, the fixing post 131 is internally threaded, and a bolt may pass through the second mounting hole 124 to be threadedly engaged with the fixing post 131 inserted into the first mounting hole 123, so as to fix the end plate 110, thereby improving the stability of the end plate 110.

Further, the diameter of the second section 122 is larger than the diameter of the first section 121.

In this embodiment, the casing 120 has a variable diameter structure, i.e. the diameter of the second section 122 of the casing 120 is larger than that of the first section 121, so that the structural strength of the casing 120 is higher.

In addition, through setting up the second section 122 of bigger diameter, also be favorable to seting up first mounting hole 123 at second section 122, under the circumstances that guarantees that fixed column 131 can insert first mounting hole 123 completely, also can guarantee the structural strength of second section 122 to make the structure of whole sleeve pipe 120 obtain effectual guarantee.

Optionally, in the present embodiment, the casing 120 is selected as a steel casing.

Further, the through-hole 111 includes a first through-hole 112 and a second through-hole 113 communicating with each other, the second through-hole 113 is close to the bottom of the end plate 110, and the aperture of the second through-hole 113 is larger than that of the first through-hole 112. The first section 121 fits into the first through hole 112, and the second section 122 fits into the second through hole 113.

In this embodiment, the through hole 111 also adopts a diameter-variable structure, that is, the aperture of the second through hole 113 is larger than the aperture of the first through hole 112, and the first section 121 and the second section 122 are respectively adapted to the first through hole 112 and the second through hole 113, so that the sleeve 120 is completely adapted to the through hole 111, thereby improving the adaptability of the sleeve 120 to the end plate 110, and improving the structural stability and the structural strength of the sleeve 120 assembled on the end plate 110.

Further, a first connection surface 125 is disposed between the first section 121 and the second section 122, a second connection surface 114 is disposed between the first through hole 112 and the second through hole 113, and the first connection surface 125 is configured to abut against the second connection surface 114.

In the embodiment, the connection between the first section 121 and the second section 122 and the connection between the first through hole 112 and the second through hole 113 are all step-shaped, so that the first connection surface 125 can abut against the second connection surface 114 under the condition that the first section 121 and the second section 122 are respectively inserted into the first through hole 112 and the second through hole 113, thereby ensuring that the end plate 110 does not break away from the end plate 110 to cause failure of the end plate 110 when the end plate 110 is subjected to a large impact load, and further improving the mounting stability and the structural strength of the sleeve 120 and the end plate 110.

Further, the number of the fixing posts 131 includes a plurality of fixing posts 131, and the plurality of fixing posts 131 are respectively disposed on two sides of the bottom plate 130. The number of the end plate 110 includes a plurality of, and the through-hole 111 has all been seted up to the both sides of end plate 110, and a plurality of fixed columns 131 correspond with a plurality of through-holes 111 one-to-one.

In this embodiment, two of the fixing posts 131 are a group, and one group of the fixing posts 131 corresponds to one end plate 110.

Specifically, two sets of fixing posts 131 are disposed on two sides of the bottom plate 130, and the two sets of fixing posts 131 located on the same side are located on the same straight line, so that the installed end plates 110 are located in the same plane. Accordingly, two end plates 110 may be installed on both sides of the bottom plate 130, and the two through holes 111 of each end plate 110 correspond to the two fixing posts 131 of each set of fixing posts 131 one to one.

Further, the module frame 100 further includes a rolling belt 140, a first mounting portion 115 and a second mounting portion 116 are disposed on a side of the through hole 111 formed in the end plate 110, the first mounting portion 115 and the second mounting portion 116 are both arc-surface shaped, and the rolling belt 140 is sleeved on the first mounting portion 115 and the second mounting portion 116.

In the present embodiment, both sides of the end plate 110 are provided with the first mounting portion 115 and the second mounting portion 116, and the first mounting portion 115 and the second mounting portion 116 are sleeved with the rolled band 140. In addition, the rolled strip 140 is usually sleeved outside the two end plates 110, that is, the two rolled strips 140 are respectively sleeved at the four first mounting portions 115 and the four second mounting portions 116, the two end plates 110 and the plurality of battery cells 200 located between the two end plates 110 can be effectively fixed by the rolled strip 140, and the structural strength of the battery module can be further improved by using the sleeve 120.

Further, the first and second mounting

parts

115 and 116 are respectively located at both ends of the side of the end plate 110.

In this embodiment, the first installation portion 115 is close to the top of the end plate 110, and the second installation portion 116 is close to the bottom of the end plate 110, so the rolling strip 140 can be sleeved on the first installation portion 115 from the top down along the vertical direction, and sleeved on the second installation portion 116 from the top up along the vertical direction, thereby flexibly installing the rolling strip 140, realizing that the end plate 110 can be sleeved with the pre-rolling strip 140, and also can be sleeved with the packing rolling strip 140, or simultaneously sleeved with the pre-rolling strip 140 or the packing rolling strip 140, and providing convenience for the first installation portion 115 and the second installation portion 116 to be sleeved with the rolling strip 140.

Further, a stopper 117 is provided between the first mounting portion 115 and the second mounting portion 116, and the stopper 117 is used to stop the rolled sheet 140.

To sum up, the utility model provides a module frame 100 and battery system 10 is through inserting sleeve pipe 120 in the through-hole 111 of end plate 110 to the fixed column 131 on the bottom plate 130 is aimed at to the first mounting hole 123 that will insert the sleeve pipe 120 of end plate 110, makes in the first mounting hole 123 of fixed column 131 embedding, thereby can restrict end plate 110 and take place the displacement, and can ensure that the stress point of end plate 110 all is at sleeve pipe 120, avoid leading to end plate 110 to lose even inefficacy under the circumstances that end plate 110 bears great impact, consequently strengthened the structural strength of end plate 110, prolonged the life of module frame 100.

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. A module frame is characterized by comprising end plates, sleeves and a bottom plate;

the end plate is provided with a through hole;

2. The module frame of claim 1 wherein the bushing includes a first section and a second section connected to each other, the second section being proximate a bottom of the end plate, the first mounting hole opening in the second section, the length of the fixing post being equal to the length of the second section.

3. The module frame according to claim 2, wherein the first section defines a second mounting hole in communication with the first mounting hole, the second mounting hole adapted for receiving a bolt and threadably engaging the fixing post inserted into the first mounting hole.

4. The modular frame of claim 2 wherein the diameter of the second section is greater than the diameter of the first section.

5. The module frame according to claim 2, wherein the through-holes include a first through-hole and a second through-hole communicating with each other, the second through-hole being close to the bottom of the end plate, and the second through-hole having a larger aperture than the first through-hole;

6. The module frame according to claim 5, wherein a first connecting surface is disposed between the first section and the second section, a second connecting surface is disposed between the first through hole and the second through hole, and the first connecting surface is configured to abut against the second connecting surface.

7. The module frame according to claim 1, wherein the number of the fixing posts comprises a plurality of fixing posts, and the plurality of fixing posts are respectively disposed on two sides of the bottom plate;

8. The module frame according to claim 1, further comprising a rolling belt, wherein a first mounting portion and a second mounting portion are disposed at a side of the through hole formed in the end plate, the first mounting portion and the second mounting portion are both arc-surface shaped, and the rolling belt is sleeved on the first mounting portion and the second mounting portion.

9. The module frame of claim 8, wherein the first and second mounting portions are located at opposite ends of the side edge of the end plate, respectively.

10. A battery system comprising the module frame according to any one of claims 1 to 9.