CN215008469U - Battery module assembly and battery pack - Google Patents

Abstract

The utility model discloses a battery module subassembly and battery package, the battery module subassembly includes: the box body is provided with an upward open installation groove, and the installation groove is used for installing a lower-layer module; a mounting bracket detachably mounted to the case and configured to extend upwardly; the tray assembly, tray assembly detachably install in the installing support just is located the mounting groove top, the tray assembly is used for supporting upper module, upper module with installing support detachably links to each other, just the tray assembly installs the liquid cooling board. The utility model discloses battery module subassembly installs lower floor's module in the mounting groove to with the both ends of installing support setting at lower floor's module in order to support tray assembly, pass through tray assembly with upper module directly over lower floor's module, thereby solved the fixed problem of double-deck module, simple to operate has improved the utilization ratio to headspace on the vehicle chassis greatly.

Description

Battery module assembly and battery pack

Technical Field

The utility model belongs to the technical field of the battery manufacturing technique and specifically relates to a battery module subassembly and battery package that has this battery module subassembly are related to.

Background

At present, battery systems of new energy automobiles are mostly installed below automobile chassis, the space reserved for the battery systems in the automobiles is not uniformly distributed, the height of the reserved space in the front of the automobiles is low, the reserved space in the rear of the automobiles is high, the height of the front space is suitable for arrangement of a single-layer structure, and the rear space is often twice as high as the front space. The battery mounting structure in the prior art can not reasonably match the requirement of a reserved mounting space of a vehicle, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a battery module subassembly has set up a two-layer module installation fixed knot and has constructed, make full use of the rear portion headspace on the vehicle bottom plate to place more electric core modules.

According to the utility model discloses battery module subassembly, include: the box body is provided with an upward open installation groove, and the installation groove is used for installing a lower-layer module; a mounting bracket detachably mounted to the case and configured to extend upwardly; the tray assembly, tray assembly detachably install in the installing support just is located the mounting groove top, the tray assembly is used for supporting upper module, upper module with installing support detachably links to each other, just the tray assembly installs the liquid cooling board.

According to the utility model discloses battery module subassembly installs lower floor's module in the mounting groove to with the both ends of installing support setting at lower floor's module in order to support tray assembly, pass through tray assembly with upper module directly over lower floor's module, thereby solved the fixed problem of double-deck module, simple to operate has improved the utilization ratio to headspace on the vehicle chassis greatly.

According to the utility model discloses battery module subassembly, the upper module the installing support with the lower floor's module links to each other through the construction bolt detachably who wears to establish in proper order along upper and lower direction.

According to the utility model discloses battery module subassembly, the outside of upper module is equipped with linking bridge, the outside of lower floor's module is equipped with down linking bridge, go up linking bridge with linking bridge is just to setting up along upper and lower direction down, just mounting bolt runs through along upper and lower direction in proper order go up linking bridge the mounting bracket with linking bridge down.

According to the utility model discloses battery module subassembly, the installing support includes the erection column, the erection column has the mounting hole that link up along upper and lower direction, the construction bolt runs through the mounting hole.

According to the utility model discloses battery module subassembly, the installing support still includes the mounting panel, the erection column is a plurality of, and is a plurality of the erection column is spaced apart to be set up and pass through the mounting panel links to each other.

According to the utility model discloses battery module subassembly, the mounting panel includes mounting panel and lower mounting panel, go up the mounting panel with lower mounting panel is along upper and lower spaced apart setting, just go up the mounting panel with tray subassembly detachably links to each other, lower mounting panel with lower floor's module detachably links to each other.

According to the utility model discloses battery module subassembly, tray assembly still includes: the tray body is detachably connected with the mounting support, and the liquid cooling plate, the heat insulation plate and the tray body are sequentially stacked in the vertical direction.

According to the utility model discloses battery module subassembly, tray assembly still includes: and the heat conduction gasket is arranged on the upper surface of the liquid cooling plate, and the heat conduction gasket is attached to the upper layer module.

According to the utility model discloses battery module subassembly, the installing support is the multiunit, multiunit the installing support spaced arrangement in box, every group the installing support is including relative two that sets up the installing support, lower floor's layer module with upper module all is located two between the installing support, just tray assembly's both ends respectively with two installing support detachably links to each other.

The utility model also provides a battery package.

According to the utility model discloses battery package is provided with any kind of above-mentioned embodiment battery module subassembly.

The advantages of the battery pack and the battery module assembly are the same as those of the prior art, and are not described herein again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a battery module assembly according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating the installation of a lower layer module and a mounting bracket in a battery module assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of the installation of the mounting bracket, the tray body and the box body in the battery module assembly according to the embodiment of the present invention;

fig. 4 is a schematic view of the mounting bracket and the tray body in the battery module assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a battery module assembly according to an embodiment of the present invention.

Reference numerals:

the battery module assembly 100 is provided with a battery module,

a box body 1, a mounting bracket 2, a mounting column 21, an upper mounting plate 22, a lower mounting plate 23,

tray component 3, tray body 31, heat insulating board 32, heat conduction gasket 33, liquid cooling plate 4, mounting bolt 5, upper module 6, upper linking bridge 61, lower module 7, lower linking bridge 71.

Detailed Description

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

A battery module assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1, the battery module assembly 100 of the embodiment of the present invention includes: the box 1, installing support 2 and tray subassembly 3.

As shown in fig. 1, the box body 1 has an installation groove which is open upward and is used for installing the lower module 7, the installation groove can be used for installing two lower modules 7 at the same time, and the outer side of the box body 1 is provided with an installation hole which is used for installing and fixing the box body 1 on the chassis of the vehicle in a detachable manner, so that the battery module is fixed on the chassis of the vehicle. Wherein, the material technology of the box body 1 can select cast aluminum, aluminum section or sheet metal.

Installing support 2 detachably installs in box 1, and installing support 2 constructs to upwards extend the setting, as shown in fig. 1, install two sets of spaced apart lower floor's module 7 on the box 1, and the both ends of every lower floor's module 7 of group all are equipped with installing support 2, the length direction setting of installing support 2 along box 1 shown in fig. 1 is at the both ends of lower floor's module 7, the terminal surface and the laminating of installing support 2 of lower floor's module 7, and installing support 2 links to each other with lower floor's module 7 is fixed, and the lower extreme of installing support 2 is fixed on box 1 and overall structure sets up in order to play spacing effect to lower floor's module 7 for upwards extending. Meanwhile, the mounting bracket 2 extends upward to a height greater than that of the lower module 7 so as to be connected to a structure above the lower module 7.

Tray component 3 detachably installs in installing support 2 and is located the mounting groove top, and tray component 3 installs in the top of lower floor's module 7 promptly. As shown in fig. 3 and 5, the two ends of the tray assembly 3 are respectively connected with the two ends of the lower module 7 in a detachable manner by the mounting bracket 2, so that the tray assembly 3 is stably mounted above the lower module 7, the lower module 7 is in a stable state, the tray assembly 3 is fixedly connected with the mounting bracket 2, the lower surface of the tray assembly 3 is spaced from the lower module 7, so that a certain deformation gap is formed between the tray assembly 3 and the lower module 7, the tray assembly 7 is favorable for being heated and cannot be seriously extruded with the tray assembly 3, the safety of the battery module assembly 100 is ensured, and meanwhile, the heat dissipation of the lower module 7 is also facilitated.

Tray component 3 is used for supporting upper module 6, makes upper module 6 and lower floor's module 7 keep sufficient interval through tray component 3 to do benefit to the heat dissipation. Wherein, upper module 6 links to each other with installing support 2 detachably, fixes upper module 6's both sides through installing support 2, has guaranteed that upper module 6 firmly fixes in the top of lower floor's module 7, as upper module 6 is located lower floor's module 7 directly over. It should be noted that, tray subassembly 3 installs liquid cooling board 4, and liquid cooling board 4 is installed between upper module 6 and lower floor's module 7 promptly to do benefit to the quick heat dissipation of battery module, thereby prevent that the handing-over department temperature of upper module 6 and lower floor's module 7 is too high, and with liquid cooling board 4 integration in tray subassembly 3, do benefit to the structural strength who improves tray subassembly 3, promote the stability to upper module 6 supports.

From this, be provided with installing support 2 at lower floor's module 7 both ends to be equipped with tray assembly 3 between two installing support 2 and be used for installing upper module 6, can link together box 1, lower floor's module 7 and upper module 6 detachably through installing support 2, thereby firmly fix upper module 6 and lower floor's module 7 on box 1. Through the arrangement, the two-layer module fixing support is constructed, the reserved space on the vehicle chassis is utilized to the maximum extent, so that more battery cell modules can be installed, the structural universality is strong, the installation is simple and convenient, and the heat dissipation performance is good.

The utility model discloses battery module subassembly 100 installs lower floor's module 7 in the mounting groove to set up installing support 2 and be fixed in the top of lower floor's module 7 through tray subassembly 3 and installing support 2 with upper module 6 in the both ends of lower floor's module 7 with supporting tray subassembly 3, thereby solved the fixed problem of double-deck module, simple to operate has improved the utilization ratio to headspace on the vehicle chassis greatly.

In some embodiments, as shown in fig. 5, the upper module 6, the mounting bracket 2, and the lower module 7 are detachably connected by mounting bolts 5 sequentially penetrating in the up-down direction. That is, the mounting bolts 5 have a sufficient length to pass through the upper module 6, the mounting bracket 2, and the lower module 7 in order from top to bottom during the mounting process, and finally are threadedly coupled with the cabinet 1, thereby firmly fixing the upper module 6 and the lower module 7 to the cabinet 1.

In some embodiments, the upper connecting bracket 61 is disposed on the outer side of the upper module 6, the lower connecting bracket 71 is disposed on the outer side of the lower module 7, as shown in fig. 2, both ends of the lower module 7 in the length direction are provided with the lower connecting brackets 71, the lower connecting bracket 71 comprises a connecting plate extending in the length direction of the lower module 7 and provided with connecting holes for cooperating with the mounting bolts 5, wherein as shown in fig. 1, one end of the connecting plate away from the lower module 7 is connected with the turnover plate, and the turnover plate is turned upward to be connected with the end surface of the lower module 7, that is, both the connecting plate and the turnover plate of the lower connecting bracket 71 are connected with the end surface of the lower module 7, so as to improve the structural strength of the lower connecting bracket 71, avoid the lower connecting bracket 71 from being forced to deform when the lower module 7 is subjected to vibration, the turnover plate is configured as multiple sections which are not connected in the width direction of the lower module 7, so as to avoid the mounting bolts 5, and the turnover plates are provided with holes to realize light weight.

The upper connecting support 61 and the lower connecting support 71 have the same structure and are arranged oppositely along the vertical direction, and the mounting bolt 5 sequentially penetrates through the upper connecting support 61, the mounting support 2 and the lower connecting support 71 along the vertical direction, namely the mounting bolt 5 sequentially penetrates through a connecting hole on a connecting plate of the upper connecting support 61, a connecting hole on a connecting plate of the mounting support 2 and a connecting plate of the lower connecting support 71 from top to bottom and is finally fixed on the box body 1.

In some embodiments, as shown in fig. 5, the mounting bracket 2 includes a mounting post 21, the mounting post 21 and the turning plates of the lower connecting bracket 71 are distributed along the width direction of the lower module 7, two adjacent turning plates are spaced apart to avoid the mounting post 21, so as to ensure that the mounting bracket 2 can be attached to and mounted on the connecting plate of the lower module 7, the mounting post 21 has a mounting hole penetrating along the up-down direction, the mounting hole is aligned with the connecting hole on the connecting plate, and the mounting bolt 5 penetrates through the mounting hole through the connecting hole of the upper module 6 and penetrates through the connecting hole of the lower module 7 to be fixed to the box body 1 in a threaded manner.

In some embodiments, as shown in fig. 2, the mounting bracket 2 further includes a plurality of mounting posts 21, the plurality of mounting posts 21 are disposed at intervals, the interval distance between the mounting posts 21 corresponds to the length of the turnover plate of the lower connecting bracket 71, and the interval between the turnover plate and the mounting posts 21 is realized in the width direction of the lower module 7, the plurality of mounting posts 21 are connected through the mounting plate, and the mounting posts 21 are parallel to each other, so as to ensure that the upper and lower ends of the mounting posts 21 can correspond to the connecting holes of the upper module 6 and the connecting holes of the lower module 7, so that a plurality of screws can smoothly pass through the mounting holes of the mounting posts 21 to be matched with the box body 1, and the upper module 6 and the lower module 7 are fixed in a matched manner.

As shown in fig. 2, three mounting posts 21 on the mounting bracket 2 are arranged on the mounting plate at intervals along the width direction of the lower module 7, the folding plates include four sections arranged at intervals, and a gap between two adjacent sections of the folding plates is used for avoiding the mounting posts 21. And the width of clearance is greater than the width of erection column 21 to when installing support 2 is fixed with lower floor's module 7, turn over the folded sheet and dodge erection column 21, perhaps the width of clearance equals with the width of erection column 21, so that two sections adjacent turned over the folded sheet and can support the pressure to the both sides of erection column 21, thereby play erection column 21 and carry out spacing effect, guarantee the structural stability of installing support 2.

In some embodiments, as shown in fig. 4, the mounting plate includes an upper mounting plate 22 and a lower mounting plate 23, the upper mounting plate 22 and the lower mounting plate 23 are spaced apart in the up-down direction, and the upper mounting plate 22 and the lower mounting plate 23 are thinner and flush with the end surface of the mounting post 21 facing the lower module 7, so as to reduce the overall weight of the mounting post 21, thereby achieving light weight of the component.

Wherein, go up the upper end of mounting panel 22 and the upper end parallel and level of erection column 21, go up and be equipped with a plurality of spaced screw along width direction on the mounting panel 22, be suitable for the side detachably who links to each other with tray assembly 3, lower mounting panel 23 is established at the middle part of erection column 21, is equipped with the screw that is used for corresponding with lower floor's module 7 on the lower mounting panel 23 for lower mounting panel 23 links to each other with lower floor's module 7 detachably. It should be noted that the number of the screw holes of the upper mounting plate 22 may be multiple times of the number of the screw holes of the lower mounting plate 23, so as to meet the requirement of higher strength, for example, the upper mounting plate 22 is provided with four screw holes, and the lower mounting plate 23 is provided with two screw holes.

In some embodiments, as shown in fig. 1, the tray assembly 3 further comprises: the tray body 31 and the heat insulation plate 32, the tray body 31 is detachably connected with the mounting bracket 2, for example, the tray body 31 and the upper mounting plate 22 on the mounting bracket 2 can be fixed by a plurality of screws in a screw joint mode.

Wherein, the liquid cold plate 4, superpose in proper order along upper and lower direction in heat insulating board 32 and tray body 31, that is to say, after the installation is accomplished, tray body 31 keeps certain interval with lower floor's module 7, liquid cold plate 4 and heat insulating board 32 are installed on tray body 31 in proper order, the heat that lower floor's module 7 produced upwards transmits, be cut off by heat insulating board 32, the heat outwards transmits along the clearance of tray body 31 and lower floor's module 7, therefore, through the setting of heat insulating board 32, do benefit to and separate apart the heat between upper module 6 and the lower floor's module 7, avoid causing the potential safety hazard to another when one in upper module 6 and lower floor's module 7 generates heat seriously. And the liquid cooling plate 4 is located above the heat insulation plate 32 and arranged towards the upper module 6, so that the upper module 6 can be well cooled and radiated, and the use safety of the upper module 6 is improved.

In some embodiments, the tray assembly 3 further comprises: and the heat conduction gasket 33, the heat conduction gasket 33 is installed on the upper surface of the liquid cooling plate 4, and the heat conduction gasket 33 is attached to the upper layer module 6. That is to say, the lower surface of heat conduction gasket 33 and the upper surface laminating of liquid cooling plate 4, the upper surface of heat conduction gasket 33 links to each other with the lower surface laminating of upper module 6, the heat of upper module 6 passes through heat conduction gasket 33 and transmits to liquid cooling plate 4 to dispel the heat fast through liquid cooling plate 4, from this, guaranteed that upper module 6 and lower floor's module 7 homoenergetic dispel the heat effectively, can not produce the heat and pile up, avoided the high temperature and the influence that leads to.

It should be noted that, the heat conducting gasket 33, the liquid cooling plate 4 and the heat insulating plate 32 are installed in the tray body 31 and the upper module 6, and the upper and lower sides are directly limited, so that the problem of stacking of dimensional tolerances of a plurality of parts is solved, and the overall precision is improved.

In some embodiments, the mounting brackets 2 are multiple sets, the multiple sets of mounting brackets 2 are arranged in the box body 1 at intervals, each set of mounting bracket 2 includes two mounting brackets 2 arranged oppositely, the lower layer module 7 and the upper layer module 6 are both located between the two mounting brackets 2, and two ends of the tray assembly 3 are detachably connected with the two mounting brackets 2 respectively.

That is to say, lower floor's module 7 is the same with upper module 6 structure, lies in between the same a set of installing support 2 jointly to reduce the degree of difficulty of processing and installation, the both ends of tray subassembly 3 link to each other with two installing support 2 detachably respectively, if the both ends of tray subassembly 3 are equipped with respectively outwards open screw hole, in order to be suitable for and carry out the spiro union with two installing support 2 respectively.

As shown in fig. 1, the battery module assembly 100 includes two sets of battery modules, the two sets of battery modules are installed on the upper portion of the box body 1 at intervals, each set of battery module includes two mounting brackets 2 and an upper module 6, a tray assembly 3 and a lower module 7 which are located between the two mounting brackets 2, and the two mounting brackets 2 can play a good role in fixing and connecting the upper module 6, the tray assembly 3 and the lower module 7, thereby improving the stability of the vehicle battery module.

The utility model also provides a battery package.

According to the utility model discloses battery package is provided with the battery module subassembly 100 of any kind of above-mentioned embodiment. Install lower floor's module 7 in the mounting groove to set up installing support 2 at lower floor's module 7 both ends in order to support tray subassembly 3, install upper module 6 directly over lower floor's module 7 through tray subassembly 3, thereby the fixed problem of double-deck module has been solved, high durability and convenient installation, the utilization ratio to headspace on the vehicle chassis has been improved greatly, make the vehicle can install as many battery module as possible in limited space, thereby the maximum stroke of vehicle has been improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery module assembly (100), comprising:

the box body (1) is provided with an upward open installation groove, and the installation groove is used for installing a lower-layer module (7);

a mounting bracket (2), wherein the mounting bracket (2) is detachably mounted on the box body (1) and is configured to extend upwards;

tray subassembly (3), tray subassembly (3) detachably install in installing support (2) just are located the mounting groove top, tray subassembly (3) are used for supporting upper module (6), upper module (6) with installing support (2) detachably links to each other, just liquid cooling board (4) are installed to tray subassembly (3).

2. The battery module assembly (100) according to claim 1, wherein the upper module (6), the mounting bracket (2), and the lower module (7) are detachably connected by mounting bolts (5) that are sequentially inserted in an up-down direction.

3. The battery module assembly (100) according to claim 2, wherein an upper connecting support (61) is arranged on the outer side of the upper layer module (6), a lower connecting support (71) is arranged on the outer side of the lower layer module (7), the upper connecting support (61) and the lower connecting support (71) are arranged oppositely along the up-down direction, and the mounting bolt (5) sequentially penetrates through the upper connecting support (61), the mounting support (2) and the lower connecting support (71) along the up-down direction.

4. The battery module assembly (100) according to claim 3, wherein the mounting bracket (2) includes a mounting post (21), the mounting post (21) having a mounting hole penetrating in an up-down direction, the mounting bolt (5) penetrating through the mounting hole.

5. The battery module assembly (100) of claim 4, wherein the mounting bracket (2) further comprises a plurality of mounting posts (21), and the plurality of mounting posts (21) are spaced apart and connected by the mounting plate.

6. The battery module assembly (100) according to claim 5, wherein the mounting plates include an upper mounting plate (22) and a lower mounting plate (23), the upper mounting plate (22) and the lower mounting plate (23) are spaced apart in an up-down direction, and the upper mounting plate (22) is detachably connected to the tray assembly (3), and the lower mounting plate (23) is detachably connected to the lower module (7).

7. The battery module assembly (100) according to any one of claims 1-6, wherein the tray assembly (3) further comprises: the tray comprises a tray body (31) and a heat insulation plate (32), wherein the tray body (31) is detachably connected with the mounting bracket (2), and the liquid cooling plate (4), the heat insulation plate (32) and the tray body (31) are sequentially stacked in the vertical direction.

8. The battery module assembly (100) according to claim 7, wherein the tray assembly (3) further comprises: heat conduction gasket (33), heat conduction gasket (33) install in the upper surface of liquid cooling board (4), just heat conduction gasket (33) with upper module (6) laminating links to each other.

9. The battery module assembly (100) according to any one of claims 1 to 6, wherein the mounting brackets (2) are multiple groups, the multiple groups of mounting brackets (2) are arranged in the box body (1) at intervals, each group of mounting brackets (2) comprises two oppositely arranged mounting brackets (2), the lower layer module (7) and the upper layer module (6) are located between the two mounting brackets (2), and two ends of the tray assembly (3) are detachably connected with the two mounting brackets (2) respectively.

10. A battery pack, characterized in that the battery module assembly (100) according to any one of claims 1 to 9 is provided.

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