CN218334046U

CN218334046U - Module box, battery package box and battery package

Info

Publication number: CN218334046U
Application number: CN202222158350.3U
Authority: CN
Inventors: 黄红光; 王清泉
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-17
Anticipated expiration: 2032-08-15

Abstract

The application provides a module box, battery package box and battery package relates to power battery technical field. The module box includes: end plate, outer panel and interior plate, end plate and outer panel are connected to enclose to close and form and hold the chamber, and the outer panel sets to the dysmorphism, so that the interior plate disposes in holding the chamber, and is connected with the outer panel, when separating into a plurality of sub accommodation spaces with holding the chamber, wherein two at least sub accommodation space's length is inconsistent. The outer panel sets to the dysmorphism, and the outer panel is connected with the end plate and closes the formation in order to enclose and hold the chamber, and the inner panel sets up in holding the intracavity to will hold the chamber and separate into a plurality of sub accommodation space, and at least two sub accommodation space's length is inconsistent, makes the quantity that at least two sub accommodation space held electric core different, can adapt to the assembly space better, thereby improves space utilization.

Description

Module box, battery package box and battery package

Technical Field

The application relates to the technical field of power batteries, in particular to a module box body, a battery pack box body and a battery pack.

Background

The battery is the core of the energy supply of the electric vehicle, and the service life of the electric vehicle and the safety performance of the electric vehicle are closely related to the battery, so the requirement of the battery box for accommodating the battery is extremely strict.

In related technologies, a module mainly adopting rules is applicable to a regular battery pack at present, but for some special scenes, if the regular battery pack is made, the space cannot be fully utilized.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a module box, battery package box and battery package, can adapt to the assembly space better to improve space utilization.

In order to achieve the purpose, the following technical scheme is adopted in the application:

in a first aspect, the present application provides a module box, including: the end plate is connected with the outer side plate to form an accommodating cavity in a surrounding mode, the outer side plate is arranged to be special-shaped, so that the inner side plate is configured in the accommodating cavity and is connected with the outer side plate, and when the accommodating cavity is divided into a plurality of sub-accommodating spaces, at least two of the sub-accommodating spaces are different in length.

At the in-process of above-mentioned realization, the outer panel sets to the dysmorphism, and the outer panel is connected with the end plate and closes the formation in order to enclose and hold the chamber, and the inner panel sets up in holding the intracavity to will hold the chamber and separate into a plurality of sub accommodation spaces, and at least two sub accommodation space's length is inconsistent, makes at least two sub accommodation space hold the quantity of electric core different, can adapt to the assembly space better, thereby improves space utilization.

In some embodiments, the inner side plate is provided with a protrusion, and the outer side plate is provided with a clamping groove matched with the protrusion to form a fixed connection between the inner side plate and the outer side plate.

In the process of above-mentioned realization, the inboard through the protruding adaptation with the joint groove, realize with the fixed of outer panel, can strengthen overall structure's intensity, also provide installation space for electric core simultaneously, to specific application environment, need not to tailor to electric core, improve the adaptability of product.

In some embodiments, the inner side plates are provided with at least two, the two inner side plates are distributed at intervals and are respectively connected with the outer side plate so as to divide the accommodating cavity into at least three sub-accommodating spaces, wherein the length of the sub-accommodating space in the middle is greater than that of the sub-accommodating space on the outer side. The method can be maximally adapted to application space, and the space utilization rate and the cruising ability of the product are improved.

In some embodiments, the lengths of the two sub-receiving spaces located at the outermost sides are set to be the same or different. The method can be maximally adapted to the application space, and the space utilization rate and the cruising ability of the product are improved.

In some embodiments, the outer side plate is provided with a limiting block, and the limiting block is configured to be distributed along the up-down direction and form a limiting block with the end plate. Through set up the stopper on the outer panel, can realize spacing to the end plate, possible accurate size control also can strengthen intensity simultaneously.

In a second aspect, the present application further provides a battery pack case, including: the battery pack shell is provided with an assembly cavity; and the module box body is arranged in the assembly cavity.

The battery pack case provided in the embodiment of the second aspect of the present application includes the module case described in the technical solution of the first aspect, so that all technical effects of the above embodiments are achieved, and are not described herein again.

In some embodiments, the module case is provided with a plurality of module cases, and the plurality of module cases are stacked in sequence in an up-down direction. The problem of whole package space utilization can be solved, and installation stability can also be guaranteed simultaneously.

In some embodiments, the lower end of the outer side plate of the module housing is provided with a first support leg, the upper end of the outer side plate is provided with a second support leg, and a side of the second support leg, which is far away from the outer side plate, is provided with a bump, so that when the module housing is stacked, the first support leg of the module housing on the upper layer is configured to receive at least a part of the bump of the module housing on the lower layer.

At the in-process of above-mentioned realization, be provided with first stabilizer blade and second stabilizer blade on the outer panel of module box, be provided with the lug on the second stabilizer blade for when a plurality of module box carries out range upon range of installation, the first stabilizer blade of accessible avoids electric core to touch ground at first, in order to lacerate electric core, the adaptation of the first stabilizer blade of accessible and lug between two adjacent module boxes prevents effectively that the module box from sliding or rubbing with the hands between the box, makes overall structure reach the effect of installation stability simultaneously.

In some embodiments, the battery pack case further includes fixing members, and the fixing members are distributed along the up-down direction and sequentially penetrate through the first supporting leg and the second supporting leg to form fixing between the plurality of module cases. Can strengthen range upon range of stability between the module box for a plurality of module box is connected and is formed a whole, improves overall structure's intensity.

In a third aspect, the present application provides a battery pack, comprising: a plurality of battery cells; and the battery pack box body is configured to accommodate the battery core in the sub-accommodating space of the module box body of the battery pack box body.

The battery pack provided in the third aspect of the present application includes the battery pack case described in the second aspect of the present invention, so that all technical effects of the above embodiments are achieved, and details are not described herein.

In some embodiments, the battery pack further includes a liquid cooling plate disposed at a lower end of the battery cell, and the liquid cooling plate corresponds to the module case in a one-to-one manner and is fixed to the module case.

At the in-process of above-mentioned realization, all be connected with the liquid cooling board on every module box, can carry out the heat transfer to the electric core that holds the intracavity, realize carrying out temperature control to electric core, guarantee the duration of a journey ability of battery package, improve the performance and the security performance of product.

Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for a user of ordinary skill in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a module box disclosed in an embodiment of the present application.

Fig. 2 is an exploded view of a module housing according to an embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram of an outer panel of a module box disclosed in an embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Fig. 5 is a schematic structural diagram of a battery pack case disclosed in an embodiment of the present application.

Fig. 6 is an exploded view of a battery pack case disclosed in an embodiment of the present application.

Fig. 7 is a schematic structural diagram of stacking module cases of a battery pack according to an embodiment of the present application.

Fig. 8 is a schematic connection diagram between module housings of a battery pack according to an embodiment of the present disclosure.

Fig. 9 is a partially enlarged schematic view of fig. 8.

Fig. 10 is a schematic structural diagram of a liquid cooling plate of a battery pack according to an embodiment of the disclosure.

Reference numerals

10. An outer panel; 101. a clamping groove; 102. a limiting block; 20. an end plate; 30. an inner side plate; 301. a protrusion; 40. a first leg; 50. a second leg; 501. a bump; 60. a fixing member; 70. an electric core; 80. the battery pack is covered; 90. a battery pack lower case; 100. and (6) liquid cooling plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a user of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of the present application.

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 application, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, 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 application can be understood in a specific case to a user of ordinary skill in the art.

Examples

Because of the advantages of high energy density, cyclic charging, safety, environmental protection and the like, the power battery is widely applied to the fields of new energy automobiles, consumer electronics, energy storage systems and the like.

The inventor finds that the conventional battery pack is generally a large flat plate, namely a pure flat structure, and the battery pack is in a comparison rule, so that the battery module can be designed into the comparison rule. The battery module can be that electric core is arranged in a line along large face direction to fix it through end plate or ribbon, form the module, wherein regular module is adapted to the battery package of rule, but to some special type vehicles, for example the overfall, because whole car low gravity center design, the human engineering design position of sitting is lower, so can not establish a big flat package below the automobile body, if place the battery packing in the trunk space, then the structural shape portion rule of battery package, can not accomplish the pure electric platform battery package of big flat.

In view of the above, as shown in fig. 1-2, in a first aspect, the present application provides a module case, comprising: the structure comprises an end plate 20, an outer side plate 10 and an inner side plate 30, wherein the end plate 20 is connected with the outer side plate 10 to form an accommodating cavity in a surrounding manner, the outer side plate 10 is configured in a special shape, so that the inner side plate 30 is configured in the accommodating cavity and is connected with the outer side plate 10 to divide the accommodating cavity into a plurality of sub-accommodating spaces, and the lengths of at least two of the sub-accommodating spaces are inconsistent.

For example, the sub-receiving spaces of the module case are all used for receiving the battery cells 70 to form a battery module, and the battery cells 70 and the module case can be glued by structural glue to enhance the strength of the battery module, when the lengths of at least two of the sub-receiving spaces are inconsistent, that is, the sub-receiving spaces receive different numbers of the battery cells 70, it is ensured that the installation space in the vehicle can be fully utilized; meanwhile, the accommodating cavity is internally provided with the inner side plate 30 to form the sub-accommodating spaces, a plurality of battery cells 70 are arranged in each sub-accommodating space, so that the use of the end plates 20 can be saved, and the utilization rate of the space is further improved.

It can be understood that two end plates 20 are provided, two outer side plates 10 are provided, two end plates 20 are arranged at intervals and are positioned at the left side and the right side, two outer side plates 10 are arranged at intervals and are positioned at the front side and the rear side, and the end plates 20 are sequentially connected with the outer side plates 10 to form the accommodating cavity; the end plate 20 and the outer side plate 10 may be fixed by welding, and the inner side plate 30 and the end plate 20 may be arranged in parallel and fixed by welding with the outer side plate 10.

In the process of above-mentioned realization, the outer panel 10 sets to the dysmorphism, and outer panel 10 is connected with end plate 20 and closes the formation in order to enclose and hold the chamber, and inner panel 30 sets up in holding the intracavity to separate into a plurality of sub accommodation spaces with holding the chamber, and at least two sub accommodation space's length is inconsistent, makes at least two sub accommodation space hold the quantity of electric core 70 different, can adapt to the assembly space better, thereby improves space utilization.

As shown in fig. 1-2, the inner side plate 30 is provided with a protrusion 301, and the outer side plate 10 is provided with a fastening groove 101 adapted to the protrusion 301, that is, the fastening groove 101 can be used to accommodate at least a portion of the protrusion 301, so as to form a fixed connection between the inner side plate 30 and the outer side plate 10, and then the inner side plate is fixed by welding. It should be noted that, the thickness of joint groove 101 is not less than protruding 301's thickness, and work as protruding 301 adaptation in back in the joint groove 101, protruding 301 can for joint groove 101 protrudes about 1mm, conveniently carries out welded fastening.

In the process of the above implementation, the inner side plate 30 is fixed to the outer side plate 10 through the matching of the protrusion 301 and the clamping groove 101, so that the strength of the whole structure can be enhanced, meanwhile, an installation space is provided for the battery cell 70, and in a specific application environment, the battery cell 70 does not need to be specially made, and the adaptability of the product is improved.

In some embodiments, at least two inner side plates 30 are provided, two inner side plates 30 are spaced apart from each other and are connected to the outer side plate 10, respectively, to divide the accommodating cavity into at least three sub-accommodating spaces, wherein the length of the sub-accommodating space in the middle is greater than that of the sub-accommodating space in the outer side, and the number of the inner side plates 30 can be set according to the actual space. The method can be maximally adapted to the application space, and the space utilization rate and the cruising ability of the product are improved.

In some embodiments, the lengths of the two sub-receiving spaces located at the outermost sides are set to be the same or different. The method can be maximally adapted to the application space, and the space utilization rate and the cruising ability of the product are improved. For example, 12 battery cells 70 are disposed in the middle sub-accommodation space, 10 battery cells 70 are disposed in the two outermost sub-accommodation spaces, or 10 battery cells 70 are disposed in one outermost sub-accommodation space, 11 battery cells 70 are disposed in the other outermost sub-accommodation space, and the like, which is not particularly limited herein, and may be set according to actual situations.

As shown in fig. 3 to 4, the outer panel 10 is provided with a limiting block 102, and the limiting block 102 is configured to be distributed along the up-down direction and form a limiting position with the end panel 20. By arranging the limiting block 102 on the outer side plate 10, the end plate 20 can be limited, accurate size control can be achieved, and meanwhile strength can be enhanced.

As shown in fig. 5 to 6, in a second aspect, the present application further provides a battery pack case, including: the battery pack shell is provided with an assembly cavity; and the module box body is arranged in the assembly cavity. Illustratively, the battery pack case includes a battery pack lower case 90 and a battery pack upper cover 80, the battery pack upper cover 80 is connected to the upper end of the battery pack lower case to enclose the assembly cavity, and the battery pack case is assembled in the trunk space of the vehicle, so that the outer edge of the battery pack case may be irregularly shaped to make full use of the space in the up-down direction.

As shown in fig. 7 to 8, the plurality of module cases are sequentially stacked in the vertical direction. The problem of whole package space utilization can be solved, and installation stability can also be guaranteed simultaneously. Illustratively, the module box body is provided with three, and every the structure of module box body can set to the same, can make things convenient for the fixed between the module box body.

As shown in fig. 8-9, the lower end of the outer side plate 10 of the module case is provided with a first leg 40 in a protruding manner, the upper end of the outer side plate 10 is provided with a second leg 50 in a protruding manner, and the side of the second leg 50 away from the outer side plate 10 is provided with a projection 501, so that when the module cases are stacked, the first leg 40 of the module case located at the upper layer is configured to accommodate at least a part of the projection 501 of the module case located at the lower layer. For example, eight first support legs 40 may be provided, and the second support legs 50 correspond to the first support legs 40 one by one, so that the assembly and disassembly between the module cases can be facilitated.

In the process of the above-mentioned realization, be provided with first stabilizer blade 40 and second stabilizer blade 50 on the outer panel 10 of module box, be provided with lug 501 on the second stabilizer blade 50 for when a plurality of module box carries out range upon range of installation, the first stabilizer blade 40 of accessible avoids electric core 70 to touch ground at first, in order to lacerate electric core 70, the adaptation of the first stabilizer blade 40 of accessible and lug 501 between two adjacent module boxes simultaneously, effectively prevent to slide or rub with the hands between the module box, make overall structure reach the effect of installation stability.

In some embodiments, the battery pack case further includes a fixing member 60, wherein the fixing member 60 is distributed along the up-down direction and sequentially penetrates through the first supporting leg 40 and the second supporting leg 50 to form a plurality of fixing members for fixing the battery pack case. Can strengthen range upon range of stability between the module box for a plurality of module box is connected and is formed a whole, improves overall structure's intensity.

As shown in fig. 5 to 10, in a third aspect, the present application provides a battery pack, including: a plurality of cells 70; and the battery pack case as described in any of the above, wherein the sub-receiving space of the module case of the battery pack case is configured to receive the battery cell 70.

The battery pack provided in the third aspect of the present application includes the battery pack case described in the technical solution of the second aspect, so that all technical effects of the above embodiments are achieved, and details are not repeated here.

In some embodiments, the battery pack further includes a liquid cooling plate 100, the liquid cooling plate 100 is disposed at the lower end of the battery cell 70, and the liquid cooling plate 100 corresponds to the module case in a one-to-one manner and is fixed to the module case.

At the in-process of above-mentioned realization, all be connected with liquid cooling plate 100 on every module box, can carry out the heat transfer to the electric core 70 that holds the intracavity, realize carrying out temperature control to electric core 70, guarantee the duration of battery package, improve the performance and the security performance of product.

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

Claims

1. The utility model provides a module box which characterized in that includes: end plate, outer panel and interior plate, the end plate with the outer panel is connected to enclose to close and form and hold the chamber, the outer panel sets to the dysmorphism, so that the interior plate dispose in hold the chamber, and with the outer panel is connected, in order with when separating into a plurality of sub accommodation space in the chamber of holding, wherein at least two the length in sub accommodation space is inconsistent.

2. The module box body of claim 1, wherein the inner side plate is provided with a protrusion, and the outer side plate is provided with a locking slot adapted to the protrusion to form a fixed connection between the inner side plate and the outer side plate.

3. The module box body as claimed in claim 1, wherein the inner side plates are provided with at least two, two spaced apart inner side plates and connected to the outer side plates to divide the receiving cavity into at least three sub-receiving spaces, wherein the length of the sub-receiving space in the middle is greater than the length of the sub-receiving space in the outer side.

4. The module case according to claim 3, wherein the lengths of the two sub-receiving spaces located at the outermost sides are set to be the same or different.

5. The module case according to claim 1, wherein the outer panel is provided with stoppers, the stoppers are configured to be distributed in the up-down direction and form a stopper with the end panel.

6. A battery pack box, its characterized in that includes:

the battery pack shell is provided with an assembly cavity; and

the modular housing of any of claims 1-5, disposed within the assembly chamber.

7. The battery pack case according to claim 6, wherein the module case is provided in plurality, and the plurality of module cases are stacked in order in an up-down direction.

8. The battery pack case according to claim 7, wherein the module case has a first leg protruding from a lower end of an outer side plate of the module case, and a second leg protruding from an upper end of the outer side plate, the second leg having a protrusion on a side thereof remote from the outer side plate, such that the first leg of the module case positioned on an upper layer is configured to receive at least a portion of the protrusion of the module case positioned on a lower layer when the module cases are stacked.

9. The battery pack box of claim 8, further comprising a fixing member, wherein the fixing member is distributed along the up-down direction and sequentially penetrates through the first support leg and the second support leg to form a plurality of fixing members for fixing the module boxes.

10. A battery pack, comprising:

a plurality of battery cells; and

the battery pack case of any one of claims 6-9, wherein the sub-receiving space of the module case of the battery pack case is configured to receive the battery cells therein.

11. The battery pack of claim 10, further comprising a liquid cooling plate disposed at a lower end of the electric core, wherein the liquid cooling plate corresponds to the module case in a one-to-one manner and is fixed to the module case.