CN210668470U

CN210668470U - Module linking bridge and power battery package

Info

Publication number: CN210668470U
Application number: CN201921718734.8U
Authority: CN
Inventors: 罗莎
Original assignee: Aiways Automobile Shanghai Co Ltd
Current assignee: Aiways Automobile Co Ltd; Aiways Automobile Shanghai Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-02
Anticipated expiration: 2029-10-14

Abstract

The utility model provides a module linking bridge and power battery package, the module linking bridge is used for connecting and fixing the battery module in the battery box, the module linking bridge includes a depressed part and the first border that outwards extends along the opening of the depressed part all around, have a plurality of by horizontal strengthening rib and vertical strengthening rib alternately formed fretwork portion in the depressed part, two adjacent vertical strengthening ribs and at least one horizontal strengthening rib alternately form a locating frame; the utility model provides high power battery package overall structure's rigidity and frequency reduce vibrations and impact amplitude response, have strengthened battery box intensity all around simultaneously.

Description

Module linking bridge and power battery package

Technical Field

The utility model relates to a power battery wraps technical field, and specifically speaking relates to a module linking bridge and power battery package.

Background

The weight of the power battery module in the conventional power battery pack occupies 60-80% of the weight of the battery pack, and for factors influencing the overall frequency and rigidity of the structure of the battery pack, the overall frequency and rigidity of the structure of the power battery pack mainly depend on the installation and connection mode of the battery module besides the frequency and rigidity of the internal battery module. The conventional battery module cannot fully utilize the structural characteristics of the battery case in the mounting and connecting manner.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a module linking bridge and power battery package for improve power battery package overall structure's rigidity and frequency, reduce vibrations and impact amplitude response.

According to the utility model discloses an aspect provides a module linking bridge for in connecting battery module and being fixed in the battery box, the module linking bridge includes a depressed part and follows the first border of outside extension all around of opening of depressed part, have a plurality of in the depressed part by horizontal strengthening rib and vertical strengthening rib cross formation's fretwork portion, adjacent two vertical strengthening rib and at least one horizontal strengthening rib cross formation locating frame.

Preferably, two adjacent longitudinal reinforcing ribs are crossed with one transverse reinforcing rib, or two adjacent longitudinal reinforcing ribs are crossed with two adjacent transverse reinforcing ribs to form the positioning frame.

Preferably, a first preset gap is arranged between two adjacent positioning frames in the same row distributed along the first direction.

Preferably, the first edge is provided with a first connecting through hole, and the longitudinal reinforcing rib is provided with a second connecting through hole.

According to the utility model discloses an another aspect provides a power battery package, power battery package includes above-mentioned module linking bridge, still includes:

the battery module comprises a plurality of battery units which are arranged in an array form, each battery unit is provided with at least one single battery cell and at least two end plates, and the height of each single battery cell is greater than that of each end plate along the height direction of the battery module;

the single battery core of the battery unit is located in the positioning frame, and the single battery core is exposed out of the hollow part.

Preferably, the battery module is composed of a plurality of battery units distributed along a first direction and extending along a second direction, the first direction is perpendicular to the second direction, and a second preset gap is formed between two adjacent battery units in the same column extending along the second direction.

Preferably, every the battery unit has along two that first direction set up relatively the end plate, monomer electricity core is located between the end plate, the end plate is located the outside of battery unit, just the position of end plate with in the module linking bridge the position of vertical strengthening rib is corresponding, on the vertical strengthening rib with all be equipped with second connect the through-hole on the end plate.

Preferably, the transverse reinforcing ribs in the module connecting bracket are located in the second preset gap, and the longitudinal reinforcing ribs are located on the end plates of the battery units, so that two adjacent longitudinal reinforcing ribs are crossed with one transverse reinforcing rib, or two adjacent longitudinal reinforcing ribs are crossed with two adjacent transverse reinforcing ribs to form the positioning frame.

Preferably, the first edge is provided with a first connecting through hole, the power battery pack further comprises a battery box body, the battery module is located inside the battery box body, the battery box body comprises an upper cover and a lower shell, and the module connecting support is located between the battery module and the upper cover;

the peripheral edge of the battery box body is provided with a second edge extending outwards, the second edge is provided with a third connecting through hole corresponding to the first connecting through hole, and the battery box body is also provided with a fourth connecting through hole corresponding to the second connecting through hole;

the battery box body and the module connecting support are fixedly connected through the first connecting through hole and the third connecting through hole, and the battery module is fixedly connected through the second connecting through hole and the fourth connecting through hole.

Compared with the prior art, the utility model beneficial effect lie in:

the utility model provides a module linking bridge and power battery package is through designing the fretwork portion and the locating frame that a plurality of horizontal strengthening ribs and vertical strengthening rib cross formation in the depressed part to and outwards extend at the opening part of depressed part and form first border, thereby in the follow-up installation battery module process of being convenient for, arrange the monomer electricity core of battery module in this locating frame, and expose in the fretwork portion, strengthen overall structure's stability; the module connecting bracket, the battery module and the battery box body are connected and fixed through the connecting through holes formed in the first edge and the longitudinal reinforcing ribs, so that the module connecting bracket, the battery module and the battery box body are integrally connected, the rigidity and the frequency of the integral structure of the power battery pack are improved, and the vibration and impact amplitude response is reduced; meanwhile, the strength of the peripheral edges of the battery box body is enhanced, and the sealing performance is also ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is an isometric view of a module connecting bracket according to an embodiment of the present invention;

FIG. 2 is a top view of the module connecting bracket of FIG. 1;

fig. 3 is an exploded view of the power battery pack disclosed in the embodiment of the present invention, except for the upper cover;

fig. 4 is an isometric view of the structure of the lower case after the battery module and the module connecting bracket are placed therein;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a front view of FIG. 3;

fig. 7 is a further isometric view of the structure of fig. 3 showing a second connecting through-hole in the end plate.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, materials, devices, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising," "having," and "providing" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

Fig. 1 and 2 are an isometric view and a top view of a module connecting bracket 102 according to the present disclosure, respectively, the module connecting bracket 102 is used for connecting and fixing a battery module in a battery box, as shown in fig. 1 and 2, the module connecting bracket 102 includes a recess 105 and a first edge 106 extending outward along the periphery of an opening of the recess 105, and the recess 105 is formed by an inward vertical recess of the opening edge, so as to form a certain depth, i.e., the thickness of the module connecting bracket 102. It should be noted that the thickness of the module connecting bracket 102 is not limited in the present application, and the specific implementation can be set according to the requirement and the capability of the processing equipment.

As shown in fig. 1 and 2, the recess 105 has a plurality of hollowed-out portions 109 formed by intersecting the transverse ribs 107 and the longitudinal ribs 108; two adjacent longitudinal reinforcing ribs 108 and at least one transverse reinforcing rib 107 cross to form a positioning frame 110. As shown in fig. 7, a first connecting through hole 114 is formed in the first edge 106, a second connecting through hole 116 is formed in the longitudinal reinforcing rib 108, the first connecting through hole 114 is used for mechanically connecting with a battery box, and the second connecting through hole 116 is used for mechanically connecting with a subsequently placed battery module and the battery box.

As shown in fig. 2 and 5, a first preset gap 112 is disposed between two adjacent positioning frames in the same row distributed along the first direction. The first direction is the length direction of the battery box body.

Fig. 3 is the utility model discloses the explosion chart of the structure of power battery package except that the upper cover, as shown in fig. 3, the embodiment of the utility model discloses a power battery package, this power battery package include module linking bridge 102, battery module 100 and lower casing 113 from last to including down in proper order, wherein, still include the upper cover in the top of module linking bridge 102 in the power battery package, for the purpose of the convenience of show, do not draw in the drawing. The upper case and the lower case 113 constitute a battery case in which the battery module 100 is located. The module coupling bracket 102 is positioned between the battery module 100 and the upper cover, and serves to fix the battery module 100 in the battery case.

The battery module 100 includes a plurality of battery cells 101 arranged in an array, that is, the battery module 100 is composed of a plurality of battery cells 101 distributed along a first direction and extending along a second direction, the first direction is perpendicular to the second direction, and a second predetermined gap 111 is formed between two adjacent battery cells 101 in the same column extending along the second direction.

Each of the battery units 101 has at least one battery cell 103 and at least two end plates 104, as shown in fig. 6, in this embodiment, one battery unit 101 has one battery cell 103 and two end plates 104 oppositely disposed along the first direction, the battery cell 103 is located between the end plates 104, the end plates 104 are located at the outer sides of the battery units 101, the end plates 104 in fig. 6 are respectively located at the left and right sides of the battery cell 103, and the battery module 100 is formed by arranging six battery units 101; along the height direction of the battery module 100, the height of the single battery cell 103 is greater than the height of the end plate 104, so that the single battery cell 103 can be placed into the positioning frame 110 of the module connecting bracket 102 in the installation process, and displacement of the single battery cell 103 in the first direction and the second direction is limited. It should be noted that the drawing is only used for illustrating the structural features of the battery module in the embodiment, and the structural composition and the number of the battery cells 101 are not limited in the present application. The battery unit 101 may refer to a single battery cell, or may refer to a small battery unit formed by grouping several battery cells.

As shown in fig. 4, after the battery module 100 is placed in the lower case 113, the transverse ribs 107 of the module connecting bracket 102 are positioned in the second predetermined gap 111, and the position of the end plate 104 corresponds to the position of the longitudinal ribs 108 of the module connecting bracket 102, that is, the longitudinal ribs 108 are positioned on the end plate 104 of the battery unit 101, such that two adjacent longitudinal ribs 108 intersect with one transverse rib 107, or two adjacent longitudinal ribs 108 intersect with two adjacent transverse ribs 107 to form the positioning frame 110. The cell 103 of the battery unit 101 is located in the positioning frame 110, and the cell 103 is exposed in the hollow portion 109.

As shown in fig. 2 and 4, at the positioning frames 110 at the two end edges of the module connecting bracket 102 opposite along the first direction, that is, the leftmost column of 3 positioning frames 110 and the rightmost column of 3 second positioning frames 117 in fig. 2 and 4, the area of the second positioning frame 117 is smaller than that of the middle six positioning frames 110, and the two second positioning frames 117 are used for placing battery accessories, which refer to important components of other battery packs except the battery module 100, such as a battery management system, a high-voltage electrical box, and the like.

As a preferred embodiment, in the height direction of the battery module 100, the difference between the height of the cell 103 and the height of the end plate 104 is greater than the thickness of the longitudinal rib 108, which is beneficial to limiting the position movement of the cell 103.

It should be noted that, in the present application, the widths of the second preset gap 111 and the first preset gap 112 are not limited, and the heights of the individual battery cells 103 and the end plates 104 are also not limited, and those skilled in the art can set the widths as needed.

As shown in fig. 7, the longitudinal reinforcing rib 108 and the end plate 104 are provided with a second connecting through hole 116; the peripheral edge of the battery case has a second edge 115 extending outward, and the second edge 115 is provided with a third connection through hole 118 corresponding to the position of the first connection through hole 114. Specifically, the upper cover and the lower case 113 in the battery case each have the second edge 115, and the second edges 115 of the upper cover and the lower case 113 are each provided with a third connection through hole 118 at a position corresponding to the first connection through hole 114.

And, the battery case is provided with a fourth connecting through hole corresponding to the second connecting through hole 116, that is, the battery case is further provided with a fourth connecting through hole at a position corresponding to the second connecting through hole 116, specifically, the upper cover and the lower case 113 in the battery case are both provided with fourth connecting through holes at positions corresponding to the second connecting through hole 116. The fourth connecting through hole is not shown in the figure due to the view obstruction.

In this way, in the installation process of the battery module 100, the battery case and the module connecting bracket 102 can be fixedly connected through the first connecting through hole 114 and the third connecting through hole 118, which has the effect of enhancing the strength of the battery case, and the metal gasket required to be arranged between the upper cover and the lower case 113 on the conventional battery case is omitted. On the other hand, the upper cover, the module connecting bracket 102, the battery module 100 and the lower shell 113 are connected and fixed through the second connecting through hole 116 and the fourth connecting through hole, so that the rigidity and the frequency of the overall structure of the power battery pack are improved.

Illustratively, the mechanical connection between the first connecting through hole 114 and the third connecting through hole 118, and between the second connecting through hole 116 and the fourth connecting through hole in the present embodiment is realized by a first bolt and a nut. Specifically, in the process of installing the battery module 100, in this embodiment, bolts sequentially pass through the third connecting through hole 118 at the edge of the upper cover, the first connecting through hole 114 at the edge of the module connecting bracket 102, and the third connecting through hole 118 at the edge of the lower housing 113, and then are mechanically connected with the first bolts from the lower surface of the edge of the lower housing 113 by using nuts, so that the battery box and the module connecting bracket 102 can be connected and fixed; the strength of the peripheral edge of the battery box body is enhanced, and meanwhile, a metal gasket is omitted, and the material cost is saved.

In addition, a second bolt sequentially penetrates through a fourth connecting through hole in the upper cover, a second connecting through hole 116 in the module connecting support 102, a second connecting through hole 116 in the end plate 104 of the battery unit 101 and a fourth connecting through hole in the lower shell 113, and then the lower surface of the lower shell 113 is mechanically connected with the second bolt through a nut, so that the upper cover, the module connecting support 102, the battery module 100 and the lower shell 113 can be fixedly connected, the four parts are integrally connected, the rigidity and the frequency of the integral structure of the power battery pack are improved, and the vibration and impact amplitude response is reduced.

It should be noted that the present embodiment is not limited to the manner of connecting the battery case, the battery module 100 and the module connecting bracket 102 by using the through hole, and for example, in other embodiments, the connection may be performed by using a rivet and a rivet nut.

To sum up, the utility model discloses a module linking bridge and power battery package have following advantage at least:

In the description of the present invention, it is to be understood that the terms "bottom", "longitudinal", "lateral", "up", "down", "front", "back", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the structures or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, 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 and "several" means one or more unless otherwise specified.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a module linking bridge for connect battery module and be fixed in the battery box, its characterized in that, module linking bridge (102) include a depressed part (105) and follow outside first border (106) that extend all around the opening of depressed part (105), have a plurality of in depressed part (105) and by horizontal strengthening rib (107) and vertical strengthening rib (108) fretwork portion (109) of crossing formation, adjacent two vertical strengthening rib (108) and at least one horizontal strengthening rib (107) alternately form a locating frame (110).

2. A modular connection bracket according to claim 1, wherein adjacent longitudinal ribs (108) intersect one of said transverse ribs (107), or adjacent longitudinal ribs (108) intersect adjacent transverse ribs (107) to form said positioning frame (110).

3. A module connecting bracket according to claim 1, wherein a first predetermined gap (112) is provided between two adjacent positioning frames (110) of the same row distributed along the first direction.

4. A modular connection bracket according to claim 1, characterized in that said first edge (106) is provided with a first through connection hole (114) and said longitudinal reinforcement rib (108) is provided with a second through connection hole (116).

5. A power battery pack, characterized in that the power battery pack comprises a module connecting bracket (102) as claimed in claim 1, the power battery pack further comprising:

the battery module (100) comprises a plurality of battery units (101) which are arranged in an array form, each battery unit (101) is provided with at least one single battery cell (103) and at least two end plates (104), and the height of each single battery cell (103) is greater than that of each end plate (104) along the height direction of the battery module (100);

the single battery cell (103) of the battery unit (101) is located in the positioning frame (110), and the single battery cell (103) is exposed in the hollow-out portion (109).

6. The power battery pack according to claim 5, wherein the battery module (100) is composed of a plurality of battery units (101) distributed along a first direction and extending along a second direction, the first direction is perpendicular to the second direction, and a second predetermined gap (111) is provided between two adjacent battery units (101) in the same column extending along the second direction.

7. A power battery pack as claimed in claim 6, wherein each battery unit (101) has two end plates (104) oppositely arranged along the first direction, the battery cells (103) are located between the end plates (104), the end plates (104) are located on the outer sides of the battery units (101), the positions of the end plates (104) correspond to the positions of the longitudinal ribs (108) in the module connecting bracket (102), and the longitudinal ribs (108) and the end plates are provided with second connecting through holes (116).

8. A power battery pack according to claim 7, wherein the transverse ribs (107) of the module connecting bracket (102) are located in the second predetermined gaps (111), and the longitudinal ribs (108) are located on the end plates (104) of the battery units (101), so that two adjacent longitudinal ribs (108) intersect with one transverse rib (107), or two adjacent longitudinal ribs (108) intersect with two adjacent transverse ribs (107) to form the positioning frame (110).

9. The power battery pack according to claim 7, wherein the first edge (106) is provided with a first connecting through hole (114), the power battery pack further comprises a battery box body, the battery module (100) is located inside the battery box body, the battery box body comprises an upper cover and a lower shell (113), and the module connecting bracket (102) is located between the battery module (100) and the upper cover;

the peripheral edge of the battery box body is provided with a second edge (115) extending outwards, a third connecting through hole (118) corresponding to the first connecting through hole (114) is formed in the second edge (115), and a fourth connecting through hole corresponding to the second connecting through hole (116) is further formed in the battery box body;

the battery box body and the module connecting bracket (102) are fixedly connected through the first connecting through hole (114) and the third connecting through hole (118), and the battery module (100) is fixedly connected through the second connecting through hole (116) and the fourth connecting through hole.