CN216161832U - Battery pack support group structure - Google Patents

Abstract

The utility model belongs to the technical field of the battery technique and specifically relates to a battery package support crowd structure is related to, battery package support crowd structure includes: the battery pack shell is provided with a fixing piece; the first bracket is used for fixing the BDU and is arranged on the fixing piece; the second bracket is used for fixing the BMS slave plate and arranged on the first bracket; and the third support is used for fixing the BMS mainboard and arranged on the fixing piece. The utility model provides a battery package support crowd structure, through the support crowd structure that first support, second support, third support are constituteed, fix BDU, BMS slave plate and BMS mainboard in the battery package internal with integrated network connection framework mode, improved the stability of each part in the battery package internal on the one hand, improved the rigidity of battery package and the reliability of BDU and BMS system.

Description

Battery pack support group structure

Technical Field

The application relates to the technical field of batteries, in particular to a battery pack support group structure.

Background

At present, in the battery system of the existing new energy vehicle, important components such as a BDU (battery system distribution box), a BMS (battery management system) slave plate and a BMS mainboard are often arranged in a battery pack shell in a self-independent and decentralized manner, the contact between supports for fixing the components such as the BDU, the BMS slave plate and the BMS mainboard is less, each support is independently arranged in the battery pack shell, so that the connection strength of each component and the battery pack shell is weaker, and then the stability of the BDU, the BMS slave plate and the BMS mainboard in the battery pack is influenced, the overall rigidity of the battery pack is weaker, and the reliability of the battery system is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery package support crowd structure to solve each support that exists among the prior art to a certain extent and all independently set up in battery package is internal, make each part and battery package casing's joint strength weak, influence the technical problem of battery system's reliability.

The application provides a battery package support crowd structure includes: the battery pack shell is provided with a fixing piece;

the first bracket is used for fixing the BDU and is arranged on the fixing piece;

a second bracket for fixing the BMS slave plate, the second bracket being provided to the first bracket;

and a third bracket for fixing the BMS motherboard, the third bracket being disposed at the fixing member.

In the above technical solution, further, the battery can casing includes:

the fixing piece is arranged in the bottom shell; the height direction of the fixing pieces is distributed along the Z direction.

In any of the above technical solutions, further, a module is disposed in the bottom case; the first bracket is horizontally arranged above the fixed piece and the module, and is respectively connected with the fixed piece and the module;

the second bracket is vertically arranged on the first bracket; the third bracket is arranged on the side wall of the fixing piece.

In any of the above technical solutions, further, the first bracket includes:

the first connecting part is connected with the fixing part;

a second connection part connected with the module;

the first bracket is formed with a bearing surface on which the BDU is loaded.

In any of the above technical solutions, further, the second bracket includes:

a third connecting part connected with the first bracket;

a fourth connection part connected with the housing of the BDU.

In any one of the above technical solutions, further, the third connecting portion has a plate shape, and the third connecting portion extends toward the first direction;

the fourth connecting portion is plate-shaped, extends towards the second direction, and the first direction and the second direction deviate from each other.

In any of the above technical solutions, further, the third bracket includes:

the fifth connecting part is connected with the fixing part;

and the sixth connecting part is connected with the bottom shell.

In any one of the above technical solutions, further, the shell of the BDU is provided with a connection leg, and the connection leg is connected with the bearing surface.

In any one of the above technical solutions, the battery pack holder group structure further includes a first connecting member, and the first connecting portion is connected to the fixing member through the first connecting member.

In any one of the above technical solutions, further, the battery pack support group structure further includes a second connecting member, and the second connecting portion is connected to the module through the second connecting member.

Compared with the prior art, the beneficial effect of this application is:

the application provides a battery package support crowd structure includes: the battery pack shell is provided with a fixing piece; the first bracket is used for fixing the BDU and is arranged on the fixing piece; the second bracket is used for fixing the BMS slave plate and arranged on the first bracket; and the third support is used for fixing the BMS mainboard and arranged on the fixing piece.

The utility model provides a battery package support crowd structure, through the support crowd structure that first support, second support, third support are constituteed, fix BDU, BMS slave plate and BMS mainboard in the battery package internal with integrated network connection framework mode, improved the stability of each part in the battery package internal on the one hand, improved the rigidity of battery package and the reliability of BDU and BMS system.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a battery pack support group structure according to an embodiment of the present disclosure;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 2 at B;

fig. 4 is another perspective view of a battery pack holder cluster configuration according to an embodiment of the present disclosure;

fig. 5 is an enlarged schematic view of fig. 4 at C.

Reference numerals: 1-bottom shell, 2-fixing piece, 3-first support, 4-second support, 401-first side, 402-second side, 403-third connecting part, 404-fourth connecting part, 5-third support, 501-fifth connecting part, 6-module, 7-BDU, 701-gap part, 8-first connecting component, 801-first fixing part, 802-second fixing part, 9-second connecting component, 901-locking nut, 902-rod component, a-first direction and b-second direction.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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 by those of ordinary skill in the art.

The following describes a battery pack support cluster structure and a power plant according to some embodiments of the present application with reference to fig. 1 to 5.

Referring to fig. 1 to 5, an embodiment of the present application provides a battery pack holder group structure, including: the battery pack comprises a battery pack shell, a first support 3, a second support 4 and a third support 5, wherein a fixing piece 2 is arranged in the battery pack shell, the fixing piece 2 is specifically a fixing cross beam arranged in the battery pack shell, a BDU7 is arranged on the first support 3, a BMS slave plate is arranged on the second support 4, a BMS mainboard is arranged on the third support 5, specifically, the first support 3 and the third support 5 are both arranged on the fixing piece 2, the second support 4 is arranged on the first support 3, so that the first support 3, the second support 4 and the third support 5 form a battery pack support group structure, and the battery pack support group structure is fixed on the fixing piece 2, so that the battery pack support group structure forms a net-shaped connecting framework with the battery pack shell through the fixing piece 2.

The utility model provides a battery pack support crowd structure, through first support 3, second support 4, the support crowd structure that third support 5 is constituteed, BDU7 in with the battery pack, BMS slave plate and BMS mainboard are fixed in the battery pack shell with integrated network connection architecture mode, on the one hand, the stability of each part in the battery pack shell has been improved, the rigidity of battery pack and the reliability of BDU7 and BMS system have been improved, on the other hand, compare in traditional BDU7, BMS slave plate and BMS mainboard distribute in the battery pack with independent mode separately, battery pack support crowd structure integrates the fixed point of each part together in this application, the space that each part occupy in the battery pack is reduced by a wide margin, help other structures such as electric core in the battery pack, the overall arrangement of part.

In one embodiment of the present application, preferably, as shown in fig. 1 to 4, the battery pack case includes:

the bottom shell 1 is provided with a fixing piece 2 arranged in the bottom shell 1; the height direction of the fixing elements 2 is distributed in the z-direction.

In this embodiment, the fixing members 2, i.e., the fixing cross members, are provided in the bottom case 1 of the battery pack case, and the fixing members 2 are provided perpendicular to the bottom plate surface of the bottom case 1 such that the height direction of the fixing members 2 extends in the Z direction, i.e., in a direction vertically upward with reference to the bottom plate surface of the bottom case 1.

In one embodiment of the present application, preferably, in the bottom chassis 1, the fixing members 2, i.e., the fixing beams, divide the inner space of the bottom chassis 1 into a plurality of accommodating spaces for accommodating the modules 6, the modules 6 are important structures in a battery pack, as shown in fig. 2 and 3, in the embodiment of the present application, the modules 6 are disposed adjacent to the fixing members 2, and the height direction of the modules 6 also extends in the Z direction.

The first bracket 3 is disposed above the module 6 and the fixing member 2 in a flat manner, that is, the lower surface of the first bracket 3 faces the module 6 and the fixing member 2, and the first bracket 3 is connected with the module 6 and the fixing member 2, respectively, so that the first bracket 3 can be fixed on the module 6 and the fixing member 2, and the length direction of the first bracket 3 extends in the X direction, the width direction of the first bracket 3 extends in the Y direction, wherein the X direction, the Y direction, and the Z direction are perpendicular two by two.

The second support 4 is vertically arranged on the upper surface of the first support 3, where vertically arranged means that the second support 4 and the first support 3 are arranged at an angle), preferably, the second support 4 is arranged perpendicular to the first support 3, and the second support 4 is connected with the first support 3, that is, the height direction of the second support 4 is also distributed along the Z direction, and preferably, the length direction of the second support 4 is the same as the length direction of the first support 3 and the length direction of the fixing part 2, and both extend along the X direction.

Third support 5 sets up to the lateral wall of mounting 2 on for the direction of height of third support 5 also distributes along the Z direction, the length direction of third support 5 and the length direction syntropy of mounting 2, it is visible, in this application, first support 3 level is placed at module 6 and mounting 2 and is connected with module 6 and mounting 2, connect the three into a whole, and second support 4 sets up perpendicularly on first support 3 and fixed connection is on first support 3, on third support 5 fixed connection is to mounting 2, with the important structure in the battery package: the BDU and the support thereof, the BMS slave plate and the support thereof, the BMS main plate and the support thereof, and the bottom shell 1 of the battery pack and the fixed cross beams in the bottom shell 1 are connected with each other to form a whole, and the connection between the BDU and the support thereof and the BMS main plate and the support thereof realize net-shaped connection, thereby ensuring the stability of each important component in the battery pack.

And the face of fixed cross beam sets up towards a lateral wall of drain pan 1, is provided with module 6 between fixed cross beam and the drain pan 1, and module 6 is the important structure in the battery package.

In one embodiment of the present application, preferably, the first bracket 3 includes:

the first connecting part is connected with the fixing part 2;

the second connecting part is connected with the module 6;

the first holder 3 is formed with a bearing surface on which the BDU7 is placed.

In this embodiment, the first bracket 3 is horizontally arranged in the bottom case 1, a side surface of the first bracket 3, which is away from the fixing member 2, is a bearing surface, the BDU7 is loaded on the bearing surface, and the first bracket 3 is connected with the fixing member 2 and the module 6 through the first connecting portion and the second connecting portion, on one hand, the fixing member 2 and the module 6 can stably support the first bracket 3, and the BDU7, the fixing member 2, the bottom case 1 and the module 6 are associated with each other through the first bracket 3, so that the connection strength and the reliability of the interconnection are improved, and the stability of the BDU7, the fixing member 2 and the module 6 in the bottom case 1 is improved.

Further, the first connecting portion is a hole structure formed on the first bracket 3, and preferably, the number of the first connecting portions is plural, the plural first connecting portions are sequentially arranged along a third direction, the third direction is specifically an extending direction of the fixing member 2, and a fastening member such as a screw or a pin is used to penetrate through the first connecting portions and is connected with a side of the fixing member 2 contacting with the lower surface of the first bracket 3 (specifically, an upper side of the fixing member 2 in a state shown in fig. 4).

Further, the second connecting portion is a hole structure formed on the first bracket 3, and preferably, the number of the second wheel connecting portions is plural, the plural second connecting portions are sequentially arranged along the third direction, and a screw or other fastener is used to pass through the second connecting portion to be connected with the housing of the module 6.

In one embodiment of the present application, preferably, the second bracket 4 includes:

a third connection part 403, the third connection part 403 being connected to the first bracket 3;

a fourth connecting portion 404, the fourth connecting portion 404 being connected to the housing of the BDU 7.

In this embodiment, the second support 4 has a plate shape, the second support 4 extends in the third direction in the bottom case 1, preferably, the second support 4 is vertically disposed on the upper surface of the first support 3, one side surface of the second support 4 faces the BDU7 disposed on the carrying surface, and the BMS is disposed on one side surface of the second support 4 facing away from the BDU7 from the plate, that is, the BMS is disposed on both sides of the second support 4 from the plate and the BDU7 in a manner facing away from each other.

A first side 401 of the second rack 4 close to one side of the first rack 3 is defined, the first side 401 is a lower side of the second rack 4 in the state shown in fig. 4, one side of the second rack 4 facing the first side 401 is a second side 402, the second side 402 is an upper side of the second rack 4 in the state shown in fig. 4, the third connecting portion 403 is disposed on the first side 401 and connected to the bearing surface of the first rack 3, the fourth connecting portion 404 is disposed on the second side 402, and the fourth connecting portion 404 is connected to the shell of the BDU7, so that not only the second rack 4 and the first rack 3 are connected, but also the second rack 4 and the BDU7 are connected to each other, thereby further improving the tightness of the connection relationship of the battery pack rack group structure.

In one embodiment of the present application, preferably, the third connection portion 403 extends toward the first direction a;

the fourth connecting portion 404 extends toward the second direction b, and the first direction a and the second direction b are away from each other.

In this embodiment, the third connecting portion 403 and the fourth connecting portion 404 are each plate-shaped, a notch 701 is formed on an upper surface of the housing of the BDU7, the third direction is a direction toward the BDU7, the fourth connecting portion 404 extends into the notch 701 toward the BDU7, so that the fourth connecting portion 404 is connected to the housing of the BDU7, the first direction a is a direction away from the third direction, that is, a direction away from the BDU7, the third connecting portion 403 extends toward the first direction a, and the third connecting portion 403 can be connected to the bearing surface of the first bracket 3.

Further, a first through hole is formed in a position, close to the center, of the plate body of the third connecting portion 403, a second through hole is formed in a position, close to the center, of the handle structure of the fourth connecting portion 404, and the first through hole and the second through hole are used for penetrating a screw or other fasteners so that the third connecting portion 403 is connected to the bearing surface of the first bracket 3, and the fourth connecting portion 404 is connected to the notch portion 701 of the BDU7 shell.

Further, the number of the third connecting portions 403 is at least one, and in this embodiment, the number of the third connecting portions 403 is preferably two, but is not limited thereto, and two third connecting portions 403 are disposed at intervals on the first side 401 of the second bracket 4, and the number of the fourth connecting portions 404 is at least one, and in this embodiment, two fourth connecting portions 404 are preferably disposed at intervals on the second side 402 of the second bracket 4.

In one embodiment of the present application, preferably, the third bracket 5 includes:

a fifth connecting portion 501 connected to the fixing member 2;

and the sixth connecting part is connected with the bottom shell 1.

In this embodiment, the first bracket 3 and the second bracket 4 are both located above the fixing member 2, and the third bracket 5 is disposed facing the fixing member 2 and connected with the fixing member 2, specifically, in the state shown in fig. 2, the fifth connecting portion 501 is disposed at the upper side of the third bracket 5, and the fifth connecting portion 501 is bent toward the fixing member 2 so that the fifth connecting portion 501 can be attached with the upper side of the fixing member 2, thereby facilitating the connection of the fifth connecting portion 501 with the fixing member 2.

The sixth connecting portion is flat and extends along the first direction a, and a lower surface of the sixth connecting portion can be attached to the bottom wall surface of the bottom case 1, so that the sixth connecting portion can be connected to the bottom case 1.

Preferably, the fifth connecting portion 501 and the sixth connecting portion are formed with a hole structure, and a fastener can be passed through to enable the fifth connecting portion 501 and the sixth connecting portion to be connected with the fixing member 2 and the bottom case 1, respectively, and it should be noted that what is described herein is merely a best example, and other connection manners capable of enabling the fifth connecting portion 501 to be connected with the fixing member 2 and the sixth connecting portion to be connected with the bottom case 1 are provided that the connection strength can be ensured to fall within the scope of the present application.

In one embodiment of the present application, the enclosure of BDU7 is preferably provided with attachment legs that attach to the bearing surface.

In this embodiment, the bottom of the casing of the BDU7 is provided with connecting legs, preferably, the casing of the BDU7 is rectangular, the number of the connecting legs is preferably six, four of the connecting legs are arranged on the bottom wall surface of the casing of the BDU7 near four top corners, and the other two connecting legs are respectively arranged on two longer sides of the bottom wall surface of the casing of the BDU7, preferably near the middle position of the two longer sides, and the connecting legs are attached to and connected with the bearing surface of the first bracket 3, so as to ensure the stability of the connection of the BDU7 and the first bracket 3.

Preferably, the connecting leg is formed with a first through hole, a second through hole is formed at a position facing the first through hole of the bearing surface of the first bracket 3, and the connecting leg can be connected with the first bracket 3 by using a fastener to penetrate the first through hole and the second through hole.

In one embodiment of the present application, preferably, as shown in fig. 5, the battery pack holder group structure further includes a first connecting member 8, and the first connecting member and the fixing member 2 are connected to the fixing member 2 through the first connecting member 8.

In this embodiment, the first connecting member 8 has a "T" shaped structure, including a first fixing portion 801 and a second fixing portion 802 perpendicularly connected to each other, wherein the first fixing portions 801 are distributed along the horizontal direction, the second fixing portions 802 are distributed along the vertical upward direction, the lower surface of the first fixing portion 801 is connected with the surface of the upper side of the fixed beam, the connection mode can be welding, connection by fasteners such as bolts, etc., the first fixing portion 801 is connected with the lower surface of the first bracket 3, one end of the second fixing portion 802 far away from the first fixing portion 801 is attached and connected with the lower surface of the first connecting portion, preferably, the connection mode is that a fastener penetrates through the hole structure of the first connecting portion to be connected with one end of the second fixing portion 802, thereby realizing the connection with the fixing part 2 through the first connecting component 8, and meanwhile, the first connecting component 8 can play a role of stably supporting the first bracket 3.

Preferably, the number of the first connecting members 8 is at least one, preferably three, although not limited to three, and the three first connecting members 8 are arranged at intervals along the third direction, so that the stability between the first bracket 3 and the fixing member 2 is further improved by arranging a plurality of first connecting members 8.

In one embodiment of the present application, preferably, as shown in fig. 3, the battery pack holder group structure further includes a second connecting member 9, and the second connecting portion is connected with the module 6 by the second connecting member 9.

In this embodiment, the second connecting member 9 includes a rod member 902 and a lock nut 901 capable of locking with the rod member 902 through an adaptive thread, the rod member 902 is specifically a bolt and can pass through the second connecting portion and be connected with the housing of the module 6, the lock nut 901 is sleeved on the rod member 902, and the lock nut 901 is located on the lower surface of the second connecting portion, after the bolt passes through the second connecting portion, an end cap of the bolt is located on the upper surface of the second connecting portion, the lock nut 901 is screwed upwards, so that the second connecting portion and the module 6 are connected and locked with each other through the rod member 902, and meanwhile, the rod member 902 can stably support the first bracket 3.

Preferably, the number of second connecting members 9 is the same as the number of second connecting portions, preferably but not limited to two, each second connecting portion being provided with one second connecting member 9.

Embodiments of the present application further provide a power device, including the battery pack support group structure according to any of the above embodiments, therefore, the BDU, the BMS slave board and the BMS master board are fixed in the battery pack housing body in an integrated network connection architecture manner through the battery pack support group structure, so that the stability of the BDU, the BMS slave board and the BMS master board in the battery pack housing body is greatly improved, and the stability of the whole power device is improved.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A battery pack holder cluster configuration, comprising:

the battery pack shell is provided with a fixing piece (2);

a first bracket (3) for fixing a BDU (7), wherein the first bracket (3) is arranged on the fixing piece (2);

a second bracket (4) for fixing the BMS slave plate, the second bracket (4) being provided to the first bracket (3);

and a third bracket (5) for fixing the BMS main board, wherein the third bracket (5) is disposed on the fixing member (2).

2. The battery pack support cluster structure of claim 1, wherein the battery pack housing comprises:

the bottom shell (1), the said stationary part (2) is set up in the said bottom shell (1);

the height direction of the fixing pieces (2) is distributed along the Z direction.

3. The battery pack support cluster structure according to claim 2, wherein a module (6) is arranged in the bottom case (1); the first bracket (3) is horizontally arranged above the fixed part (2) and the module (6), and the first bracket (3) is respectively connected with the fixed part (2) and the module (6);

the second bracket (4) is vertically arranged on the first bracket (3); the third support (5) is arranged on the side wall of the fixing piece (2).

4. The battery pack holder cluster structure according to claim 3, wherein the first holder (3) comprises:

the first connecting part is connected with the fixing part (2);

a second connection to the module (6);

the first support (3) is formed with a bearing surface on which the BDU (7) is mounted.

5. The battery pack holder cluster structure according to claim 1, wherein the second holder (4) comprises:

a third connecting portion (403), the third connecting portion (403) being connected with the first bracket (3);

a fourth connection portion (404), the fourth connection portion (404) being connected with a housing of the BDU (7).

6. The battery pack holder group structure according to claim 5, wherein the third connection part (403) has a plate shape, the third connection part (403) extending toward the first direction;

the fourth connecting portion (404) is plate-shaped, the fourth connecting portion (404) extends towards a second direction, and the first direction and the second direction are deviated from each other.

7. The battery pack support cluster structure according to claim 2, wherein the third support (5) comprises:

a fifth connecting part (501) connected to the fixing member (2);

and the sixth connecting part is connected with the bottom shell (1).

8. The battery pack support cluster configuration of claim 4, wherein the housing of the BDU (7) is provided with connection legs, which are connected with the carrying surface.

9. The battery pack holder group structure according to claim 4, further comprising a first connecting member (8), wherein the first connecting portion is connected to the fixing member (2) through the first connecting member (8).

10. The battery pack support group structure according to claim 4, further comprising a second connecting member (9), the second connecting member (9) connecting the module (6) with the second connecting member.

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