CN218414865U - Battery pack inner supporting structure and battery pack - Google Patents

Abstract

The utility model provides an internal support structure of a battery pack and a battery pack, which comprises a support body arranged in the battery pack, wherein the support body is provided with an installation part, a support part and an insulation board; the mounting part is used for supporting the body and mounting the body on the battery module, the supporting part is supported below the upper shell of the battery pack, and the insulating plate is used for isolating copper bars which are adjacently arranged in the battery pack. Battery package inner support structure, will support the body setting on the battery module through setting up the installation department to set up the last casing that the supporting part can support the battery package, still set up the insulation board simultaneously, can play fine isolation insulating effect to two adjacent copper bars.

Description

Battery pack inner supporting structure and battery pack

Technical Field

The utility model relates to a battery package technical field, in particular to inner supporting structure of battery package. The utility model discloses still relate to a battery package with this battery package inner support structure.

Background

The battery pack shell of the new energy automobile is a main carrier of a battery pack, and is mainly used for providing a mounting structure for each system element in the battery pack and protecting each component. The battery shell comprises an upper shell and a lower shell which are connected with each other, and when the battery shell is enlarged, the volume of the upper shell is increased. Because the upper shell is not a main stressed part, the upper shell is generally stamped or molded by a thin plate, and the structural strength is low; when the upper shell is installed, the upper shell is installed on the lower shell only by a circle of installation points on the periphery of the upper shell.

In the transportation of battery, the last casing of battery package receives the collision extrusion easily, because the structural strength of last casing is not big, goes up the casing and is pressed the deformation by the extrusion easily to influence the normal use of the inside battery module of battery package.

Moreover, each battery module in the battery pack is arranged oppositely, and a copper bar is needed to connect a plurality of modules. In the prior art, an insulating plate is generally arranged between two adjacent copper bars, or an insulating cap is covered and buckled on the copper bars, so that the insulating layer of the copper bars is prevented from being damaged.

However, the insulating plate used for isolating the copper bar, the fixing piece used for connecting the battery module, the fixing piece of the regular wire harness and other parts are arranged in the limited space of the battery pack, so that the space in the battery pack is insufficient, the distance between the parts is compact, and the assembly difficulty of the battery pack is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a battery package inner supporting structure to support the battery and wrap the casing, and keep apart the copper bar of adjacent arrangement.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an internal support structure of a battery pack comprises a support body arranged in the battery pack, wherein the support body is provided with an installation part, a support part and an insulation plate;

the mounting portion is used for mounting the support body on the battery module, the support portion is supported below the upper shell of the battery pack, and the insulating plate is used for isolating copper bars which are adjacently arranged in the battery pack.

Further, the support body has a bottom portion, and the support portion and the mounting portion are respectively located at upper and lower sides of the bottom portion.

Further, the support portion comprises two oppositely arranged side portions, the two side portions and the bottom portion together enclose a groove for passing the wire harness, and the bottom portion is provided with a fixing portion for fixing the wire harness.

Further, elastic pads are arranged on the two side parts, and the two side parts are in contact with the battery pack upper shell through the elastic pads.

Further, the fixing portion includes a fixing hole provided on the bottom portion, the fixing hole being located on an inner wall of the groove.

Furthermore, a module pressing plate is arranged on an end plate of the battery module, and the support body is clamped on the module pressing plate through the mounting portion.

Further, the installation department is including setting up relatively the joint piece of bottom part both sides.

Furthermore, a positioning part is arranged on the bottom part and used for positioning the bottom part on the module pressing plate.

Furthermore, the positioning part is offset at one side of the central lines of the two clamping blocks.

Compared with the prior art, the utility model discloses following advantage has:

battery package inner supporting structure, will support the body setting on the battery module through setting up the installation department to set up the last casing that the supporting part can support the battery package, still set up the insulation board simultaneously, can play fine isolation insulating effect to two adjacent copper bars.

In addition, the supporting body is arranged to be the bottom portion and the two side portions, the two side portions and the bottom portion are surrounded to form the groove, the wiring harness is favorably accommodated, the fixing portion for fixing the wiring harness is arranged on the bottom portion, and the wiring harness is favorably fixed. Through be equipped with the cushion on both sides portion, when being favorable to the top of lateral part and the contact of battery package upper shell, play the buffering effect, avoid producing the collision abnormal sound. The fixing part is arranged as a fixing hole, and the structure is simple and convenient to arrange.

In addition, through be equipped with the module clamp plate on battery module, and support the body and clamp on the module clamp plate through the installation department, its simple structure, the design and processing of being convenient for. The installation part is arranged to be a clamping block, the structure is simple, and design and processing are convenient. The positioning part is arranged on the bottom part, so that the support structure can be guided and positioned in the installation process.

Another object of the present invention is to provide a battery pack, wherein the battery pack is provided with the above inner supporting structure.

The utility model discloses a battery package compares in prior art's beneficial effect the same with above-mentioned battery package inner supporting structure, no longer gives unnecessary details here.

Drawings

The accompanying drawings, which form a part hereof, 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 without undue limitation. In the drawings:

fig. 1 is a schematic view illustrating an assembly relationship between an inner support structure and a module pressing plate of a battery pack according to an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of an internal support structure of a battery pack at a viewing angle according to an embodiment of the present invention;

fig. 3 is a schematic view of an overall structure of a support structure in a battery pack at another viewing angle according to an embodiment of the present invention;

fig. 4 is a schematic view of an overall structure of a support structure in a battery pack at another viewing angle according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a module pressing plate according to an embodiment of the present invention;

fig. 6 is a schematic view of an overall structure of a battery pack according to an embodiment of the present invention;

fig. 7 is a schematic view of an internal structure of a battery pack according to an embodiment of the present invention;

FIG. 8 is an enlarged view at A of FIG. 7 from a perspective;

fig. 9 is an enlarged view at a in fig. 7 from another view angle.

Description of reference numerals:

1. a support body; 101. a bottom portion; 1011. a fixing hole; 1012. a positioning column; 102. a side portion; 1021. a first reinforcing rib; 103. an elastic pad; 104. an insulating plate; 1041. a second reinforcing rib; 1042. an insulating plate main body; 1043. a connecting plate; 105. a clamping block; 106. a groove; 107. buckling;

2. a battery pack; 201. a battery module; 2011. copper bars; 202. a module pressing plate; 203. the battery pack is provided with a shell; 204. a battery pack lower case; 205. a wire harness.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same order, but are to be construed as referring to the same order.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a battery pack inner supporting structure, which comprises a supporting body 1 arranged in a battery pack 2, wherein the supporting body 1 is provided with an installation part, a supporting part and an insulating plate 104.

Wherein, the installation portion will support body 1 and install on battery module 201, and the supporting part supports in battery package 2 upper shell below, and insulation board 104 is used for keeping apart the copper bar 2011 of adjacent arrangement in the battery package 2.

The battery pack inner support structure of the embodiment sets the support body 1 on the battery module 201 by setting the mounting portion, and sets the upper housing of the support portion capable of supporting the battery pack 2, thereby effectively preventing the battery module 201 from being damaged by external force. Meanwhile, the insulating plate 104 is further arranged, so that a good insulating effect can be achieved on two adjacent copper bars 2011.

First, in order to describe the internal support structure of the battery pack described below, in this embodiment, the structure of the battery pack 2 is briefly described, and as shown in fig. 6 and 7, the battery pack 2 has an upper battery pack case 203 and a lower battery pack case 204, a plurality of battery modules 201 are sequentially arranged in a space surrounded by the upper battery pack case 203 and the lower battery pack case 204 along the length direction of the battery pack 2, and at least two battery modules 201 are also arranged in the battery pack 2 in an opposing manner along the width direction of the battery pack 2. The space between the two battery modules 201 disposed opposite to each other is through which the wire harness 205 passes, thereby electrically connecting the battery modules 201 together.

As shown in fig. 5 and 9, a module pressing plate 202 is provided on the end plate of the battery module 201, and the module pressing plate 202 is formed in an L-shape so as to be able to press the end plates of the three battery modules 201 at the same time, and to connect and fix the module pressing plate 202, the battery modules 201, and the lower case of the battery pack 2 by external fasteners such as bolts. So can be at the vehicle in-process of traveling, can effectual reduction battery module 201's vibration amplitude, wherein, the support body 1 of the battery package inner supporting structure in this embodiment is fixed on module pressing plate 202 through joint portion joint.

Based on the above general description, an exemplary structure of the internal support structure of the battery pack of the present embodiment is shown in fig. 1 to 5, and the support body 1 has a bottom portion 101, and the support portion and the mounting portion are respectively located at the upper and lower sides of the bottom portion 101. Furthermore, the support portion comprises two oppositely arranged side portions 102, the two side portions 102 and the bottom portion 101 together form a groove 106 for the wiring harness 205 to pass through, and the bottom portion 101 is provided with a fixing portion for fixing the wiring harness 205.

In this embodiment, as shown in fig. 8 and 9, the width of the bottom portion 101 of the support body 1 is set to correspond to the interval between two adjacent battery modules 201, the height of the side portion 102 of the support body 1 is set to correspond to the height of the battery modules 201, and the first reinforcing ribs 1021 are provided on the outer surfaces of the two side portions 102, so that the support strength to the upper case can be improved. In addition, a groove 106 is formed between the two side portions 102 and the bottom portion 101, and the wire harness 205 is accommodated conveniently.

Also, the bottom portion 101 is provided with a fixing portion for fixing the wire harness 205. As a preferred embodiment, as shown in fig. 1, 2 and 4, the fixing portion comprises a fixing hole 1011 provided on the bottom portion 101, the fixing hole 1011 being located on the inner wall of the recess 106. By providing the fixing portion as the fixing hole 1011, the catch 107 facilitating fixing of the wire harness 205 is fixed on the bottom portion 101 of the support body 1 through the fixing hole 1011.

To avoid collision between the upper side portions 102 of the support body 1 and the upper case of the battery pack 2. In this embodiment, as a preferred embodiment, as shown in fig. 1 to 4, the elastic pads 103 are disposed on both side portions 102, and both side portions 102 contact with the upper case of the battery pack 2 through the elastic pads 103 to absorb energy for buffering. In the present embodiment, the material of the elastic pad 103 is not specifically limited, and an appropriate elastic structure may be selected according to actual situations.

In this embodiment, as a preferred implementation, as shown in fig. 1 to 4 and 8, the insulating plate 104 includes an insulating plate main body 1042 and a connecting plate 1043, two sides of one end of the connecting plate 1043 are respectively connected to the two side portions 102, and the other end of the connecting plate 1043 is connected to one side of the insulating plate main body 1042, wherein the insulating plate main body 1042 is integrally disposed parallel to the side portions 102, so as to be inserted between two adjacent copper bars 2011, and thus isolation between two adjacent copper bars 2011 is achieved.

In order to improve the structural strength of the insulating plate 104 itself, in the present embodiment, a rib is provided on the insulating plate 104 as a preferable embodiment. As shown in fig. 1 to 4, the second reinforcing ribs 1041 are respectively arranged on the insulating plate 104 on two opposite sides of the copper bar 2011 in a staggered manner, so that the structural strength of the insulating plate 104 can be effectively ensured, and the service life of the insulating plate is prolonged.

In this embodiment, as a preferred embodiment, the mounting portion includes clamping blocks 105 oppositely disposed on two sides of the bottom portion 101. Specifically, as shown in fig. 1 to 4, a clamping block 105 is respectively disposed on the left and right sides of the bottom portion 101 of the support body 1, and the support body 1 is mounted on the module press plate 202 through the cooperation of the clamping block 105 and the module press plate 202. In this embodiment, the specific structure of the clamping block 105 is not further limited, and may be set according to actual situations.

In order to further improve the connecting effect of the clamping block 105 and the supporting body 1. In a preferred embodiment, the support body 1 and the two engaging pieces 105 are integrally formed in this embodiment, and it can be said that the bottom part 101 of the support body 1 is bent to the left and right sides and extended to form the engaging pieces 105.

In order to improve the connection strength between the clamping block 105 and the module pressing plate 202. As a preferred embodiment, the clamping block 105 is made of elastic material, and the clamping block 105 is fastened to the module pressing plate 202, so as to limit the displacement of the supporting body 1 in the height direction.

In this embodiment, in order to facilitate the installation of the support body 1 on the module pressing plate 202, as a preferred embodiment, referring to fig. 4, a positioning part is provided on the bottom part 101, and the positioning part is used for positioning the bottom part 101 on the module pressing plate 202.

As a preferred embodiment, the positioning portion is provided as a positioning column 1012, a positioning hole is provided on the module pressing plate 202 corresponding to the positioning column 1012, and the positioning of the installation position of the support body 1 is realized by inserting the positioning column 1012 into the positioning hole.

Wherein, for the convenience of improving the positioning accuracy to supporting body 1. In this embodiment, as a preferred embodiment, the positioning post 1012 is offset to one side of the center line of the two clamping blocks 105. So set up, reference column 1012 can play the effect of preventing staying to avoid because support body 1 assembly direction mistake, lead to the condition that the position of insulation board 104 is incorrect.

The embodiment also relates to a battery pack 2, and the battery pack 2 is internally provided with the battery pack internal support structure. The battery pack 2 of this embodiment can effectually avoid the battery pack 2 to be trampled the problem that the battery module 201 that probably leads to damaged through setting up foretell battery pack inner support structure, can reduce the vibration range of casing when the vehicle operation on the battery pack 2, still has the effect of isolating copper bar 2011 and fixed pencil 205 simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A battery package inner support structure which characterized in that:

the battery pack support comprises a support body (1) arranged in a battery pack (2), wherein an installation part, a support part and an insulation plate (104) are arranged on the support body (1);

the mounting part is to support body (1) and install on battery module (201), the supporting part supports casing below on battery package (2), insulation board (104) are used for keeping apart copper bar (2011) of adjacent arrangement in battery package (2).

2. The battery pack internal support structure of claim 1, wherein:

the support body (1) has a bottom portion (101), and the support portion and the mounting portion are respectively located on upper and lower sides of the bottom portion (101).

3. The battery pack internal support structure of claim 2, wherein:

the support part comprises two oppositely arranged side parts (102), the two side parts (102) and the bottom part (101) jointly enclose a groove (106) which is formed for a wiring harness (205) to pass through, and a fixing part for fixing the wiring harness (205) is arranged on the bottom part (101).

4. The battery pack internal support structure of claim 3, wherein:

elastic pads (103) are arranged on the two side parts (102), and the two side parts (102) are in contact with the upper shell of the battery pack (2) through the elastic pads (103).

5. The battery pack internal support structure of claim 3, wherein:

the fixing portion comprises a fixing hole (1011) arranged on the bottom portion (101), and the fixing hole (1011) is located on the inner wall of the groove (106).

6. The battery pack internal support structure of any one of claims 2 to 5, wherein:

be equipped with module clamp plate (202) on the end plate of battery module (201), support body (1) passes through the installation department joint is in on the module clamp plate (202).

7. The battery pack internal support structure of claim 6, wherein:

the mounting portion comprises clamping blocks (105) which are oppositely arranged on two sides of the bottom portion (101).

8. The battery pack internal support structure of claim 7, wherein:

the bottom portion (101) is provided with a positioning portion for positioning the bottom portion (101) on the module pressing plate (202).

9. The battery pack internal support structure of claim 8, wherein:

the positioning part is offset at one side of the central line of the two clamping blocks (105).

10. A battery pack, comprising: a battery pack internal support structure as claimed in any one of claims 1 to 9 is provided in the battery pack (2).

Images