CN219832924U - Battery pack and automobile - Google Patents

Abstract

The utility model relates to a battery pack and an automobile, wherein the battery pack comprises a shell and a plurality of electric cores, the electric cores are arranged in the shell, and each electric core is electrically connected with a collection plate; the shell is also provided with a separation beam, the separation beam is surrounded with the shell and is provided with a battery cell containing cavity, and the battery cell containing cavity is used for containing a battery cell; the separation beam is provided with a groove along the thickness direction of the battery cell, the groove is correspondingly arranged with the acquisition plate, and the acquisition plate is at least partially arranged in the groove, so that the acquisition plate is positioned in the area where the separation beam is positioned. The utility model has the advantages that: and a collection plate is not required to be arranged in the battery pack in an additional mode, so that the space utilization rate of the battery pack is improved.

Description

Battery pack and automobile

Technical Field

The utility model relates to the technical field of new energy automobiles, in particular to a battery pack and an automobile.

Background

With the development of the field of new energy automobiles, the battery pack is used as a power source of the automobile, so that the cruising ability of the automobile is affected, and the more the battery pack is loaded, the more the battery pack can output electric quantity, and the longer the cruising mileage of the automobile is. The battery pack is internally provided with a collecting plate for collecting the voltage and the temperature of the battery core, and the collecting plate is generally arranged nearby along with the position of the battery core in the conventional technology.

However, this arrangement makes the collection plate occupy a part of a larger space in the battery pack, resulting in a reduced loading capacity of the battery pack for the battery cells and a low utilization rate of the internal space of the battery pack.

Disclosure of Invention

Accordingly, it is necessary to provide a battery pack and an automobile capable of improving the utilization of the internal space.

In order to solve the technical problems, the utility model provides the following technical scheme:

a battery pack comprises a shell and a plurality of electric cores, wherein the electric cores are arranged in the shell, and each electric core is electrically connected with a collecting plate; the shell is also provided with a separation beam, the separation beam surrounds the shell and is provided with a battery cell containing cavity, and the battery cell containing cavity is used for containing the battery cell;

the separation beam is provided with a groove along the thickness direction of the battery cell, the groove is correspondingly arranged with the acquisition plate, and the acquisition plate is at least partially arranged in the groove, so that the acquisition plate is positioned in the area where the separation beam is positioned.

It can be understood that the collection plate is at least partially arranged in the groove formed in the separation beam, so that the space occupied by the collection plate in the battery pack is at least partially overlapped with the space occupied by the separation beam in the battery pack, the collection plate does not need to be arranged in the battery pack by additionally reserving space, the space utilization rate of the battery pack is improved, and therefore, the battery pack can have more space for arranging the battery cells.

In one embodiment, the grooves are in one-to-one correspondence with the acquisition plates, and the acquisition plates are at least partially inserted into the corresponding grooves.

It can be understood that the collecting plates are placed in the grooves in one-to-one correspondence, so that the collecting plates can be conveniently installed and positioned.

In one embodiment, the collection plates between the plurality of electric cores are sequentially arranged at intervals along a first preset direction of the shell.

It is understood that the acquisition board is arranged between the plurality of battery cells at intervals along the first preset direction of the housing so that the acquisition board acquires voltage and temperature information of the battery cells.

In one embodiment, the number of the electric cores is twice the number of the acquisition boards;

along the second preset direction of the shell, one acquisition plate is correspondingly arranged between the two battery cores, and the second preset direction is perpendicular to the first preset direction.

It can be understood that the number of the set electric cores is twice as many as the number of the acquisition boards, and one electric core is correspondingly arranged at two sides of each acquisition board, so that a specific embodiment of the arrangement mode between the acquisition boards and the electric cores is realized.

In one embodiment, two collection plates are correspondingly arranged between the two battery cells along a second preset direction of the shell, and the second preset direction is perpendicular to the first preset direction.

It will be appreciated that two acquisition plates are disposed between two cells, thereby enabling one embodiment of the arrangement between the acquisition plates and the cells.

In one embodiment, the collecting plates among the plurality of electric cores are matched to form a first collecting plate assembly and a second collecting plate assembly, and the collecting plates in the first collecting plate assembly are sequentially arranged at intervals along a first preset direction of the shell;

the collection plates in the second collection plate assembly are sequentially arranged at intervals along a second preset direction of the shell, and the second preset direction is perpendicular to the first preset direction.

It is understood that the first collecting plate assembly and the second collecting plate assembly are arranged along the first preset direction and the second preset direction respectively, so that the collecting plates are staggered in the battery pack.

In one embodiment, the number of the first collecting plate assemblies is multiple, and multiple groups of the first collecting plate assemblies are arranged at intervals along the second preset direction.

It will be appreciated that a specific embodiment of arranging the first collection plate assemblies on the battery pack is achieved by arranging the plurality of sets of first collection plate assemblies at intervals along the second predetermined direction.

In one embodiment, the battery pack further comprises fixing frames, the fixing frames are arranged corresponding to the collecting plates, and each fixing frame is connected with the separating beam respectively so as to limit the collecting plates to the separating beam.

It can be understood that the acquisition board is fixed in the groove through the fixing frame, so that the fixed installation of the acquisition board in the groove is realized.

In one embodiment, the fixing frame is internally provided with a containing cavity, and the collecting plate is arranged in the containing cavity and connected with the corresponding fixing frame.

It can be understood that the collection plate is arranged in the cavity formed by the inward fixing frame, the fixing frame protects the collection plate, and the collection plate is prevented from being damaged due to collision in the installation or use process.

The utility model also provides the following technical scheme:

an automobile comprising an automobile body and the battery pack of any one of the preceding claims, the battery pack being mounted on the automobile body.

It can be understood that due to the reasonable arrangement of the acquisition plates, the loading capacity of the battery pack to the battery core is improved, and the battery pack can output more electric quantity, so that the automobile endurance capacity of the battery pack is higher.

Due to the application of the scheme, compared with the prior art, the utility model has the following advantages:

according to the battery pack and the automobile, the acquisition plate is arranged in the groove formed in the separation beam, so that the space occupied by the acquisition plate in the battery pack is at least partially overlapped with the space occupied by the separation beam in the battery pack, the acquisition plate does not need to be arranged in the battery pack by additionally reserving space, the space utilization rate of the battery pack is improved, more space is reserved for arranging the battery cells in the battery pack, and when the battery pack is extruded, the separation beam can provide certain supporting strength to protect the acquisition plate, and the acquisition plate is not easy to be extruded and damaged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic view of a battery pack according to an embodiment of the utility model.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is a schematic view of a battery pack according to another embodiment of the present utility model.

Fig. 4 is an enlarged view at B of fig. 3.

Fig. 5 is a schematic structural view of an acquisition board and a bracket according to an embodiment of the present utility model.

Reference numerals: 100. a battery pack; 10. a housing; 11. a dividing beam; 111. a groove; 20. a battery cell; 30. a collection plate; 40. a fixing frame; 41. reinforcing ribs.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present utility model for the purpose of illustration only and do not represent the only embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

Unless defined otherwise, all technical and scientific terms used in the specification of the present utility model have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in the description of the present utility model includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a battery pack 100 according to an embodiment of the utility model includes a housing 10 and a plurality of battery cells 20, wherein the battery cells 20 are disposed in the housing 10, and each battery cell 20 is electrically connected with a collecting board 30, and the collecting board 30 is used for collecting voltage and temperature information of the battery cells 20. The casing 10 is formed with a separation beam 11, the separation beam 11 can strengthen the structural strength of the casing 10, and a battery cell accommodating cavity is formed by the separation beam 11 and the casing 10 for accommodating the battery cell 20.

Along the thickness direction of the battery cell 20, a groove 111 is formed in the separation beam 11, and the groove 111 is disposed corresponding to the collecting plate 30, so that the collecting plate 30 can be at least partially accommodated in the groove 111. In this way, the collecting plate 30 is arranged in the area where the separation beam 11 is located, the area occupied by arranging the collecting plate 30 is omitted, the space occupied by the collecting plate 30 in the battery pack 100 is at least partially overlapped with the space occupied by the separation beam 11 in the battery pack 100, the collecting plate 30 does not need to be arranged in the battery pack 100 by additionally reserving a larger space, the space utilization rate of the battery pack 100 is improved, the arrangement space of the battery cells 20 is increased, and the electric quantity of the battery pack 100 is further increased.

It should be noted that, in the conventional battery pack 100, the collecting plate 30 is generally disposed nearby the battery cells 20 and located outside the area where the dividing beam 11 is located, so that when the battery pack 100 is pressed by an external force, the collecting plate 30 is easily damaged and loses its function. And set up collection board 30 in separating beam 11, separating beam 11 can provide certain supporting strength for collection board 30 when receiving external force extrusion, and protection collection board 30 is not damaged, guarantees the normal work of collection board 30.

As shown in fig. 2, in an embodiment, the grooves 111 are substantially rectangular, and the number of the grooves 111 and the number of the collection plates 30 along the extending direction of the separation beam 11 are in one-to-one correspondence, so that each collection plate 30 can be inserted into the corresponding groove 111, so as to facilitate the installation and positioning of the collection plate 30. Of course, the recess 111 may be provided in an oval shape.

In other embodiments, a plurality of collecting plates 30 may be disposed in one groove 111, and the collecting plates 30 are spaced apart from each other in one groove 111 and fixed to the groove 111.

As shown in fig. 1 and 2, in an embodiment, the battery cell 20 is configured as a square battery cell 20, and a plurality of battery cell cavities are formed by surrounding the plurality of partition beams 11 and the housing 10, and the battery cell 20 is accommodated in the battery cell cavities. The plurality of partition beams 11 extend on the housing 10 in a first preset direction (X direction as shown in fig. 1) and a second preset direction (Y direction as shown in fig. 1) of the housing 10, respectively, and the first preset direction is disposed perpendicular to the second preset direction.

Wherein, a plurality of grooves 111 are formed on the separation beam 11 extending along the first preset direction, the plurality of grooves 111 are sequentially arranged at intervals along the first preset direction, the collecting plates 30 and the grooves 111 are arranged in the area where the grooves 111 are located in a one-to-one correspondence manner, and the plurality of grooves 20 are sequentially arranged between the plurality of battery cells 20 at intervals along the first preset direction, so that the collecting plates 30 collect the voltage and temperature information of the battery cells 20.

In this embodiment, the number of the electric cores 20 is twice the number of the acquisition boards 30, and one acquisition board 30 is disposed between two electric cores 20 along the second preset direction, that is, two sides of each acquisition board 30 are respectively and correspondingly provided with one electric core 20, so as to realize a specific embodiment of the arrangement of the acquisition boards 30 on the battery pack 100.

As shown in fig. 3 and 4, in another embodiment, the plurality of separation beams 11 extend along a first preset direction (X direction shown in fig. 3) and a second preset direction (Y direction shown in fig. 3) of the housing 10, respectively, the plurality of battery cells 20 are accommodated in a battery cell accommodating cavity formed by surrounding the housing 10 and the separation beams 11, and the first preset direction is perpendicular to the second preset direction. The separation beam 11 extending along the first preset direction is provided with a groove 111, and the collection plates 30 are placed in the groove 111 and are sequentially arranged among the plurality of battery cells 20 at intervals along the first preset direction.

Further, along a second preset direction of the housing 10, two acquisition boards 30 arranged side by side are disposed between the two electric cells 20, so that the acquisition boards 30 acquire voltage and temperature information of the electric cells 20.

It should be noted that, the number of the battery cells 20 and the collection plates 30 is not limited to the above embodiment, and for those skilled in the art, the number of the battery cells 20 and the collection plates 30 may be set to other values according to practical situations.

In another embodiment, the collecting plate 30 is formed with a first collecting plate assembly and a second collecting plate assembly in cooperation between the plurality of electric cores 20, wherein the plurality of collecting plates in the first collecting plate assembly are sequentially arranged at intervals along a first preset direction of the housing 10, the plurality of collecting plates 30 in the second collecting plate assembly are sequentially arranged at intervals along a second preset direction of the housing, and the first preset direction is perpendicular to the second preset direction. Each collecting plate 30 is disposed in a groove 111 formed on the dividing beam 11, so that the collecting plate 30 is located in the area where the dividing beam 11 is located, and the space utilization rate in the battery pack 100 is improved.

Further, the number of the first collecting plate assemblies is multiple, and the multiple first collecting plate assemblies are arranged along the second preset direction, so as to realize one specific embodiment of the arrangement of the collecting plates 30 in the battery pack 100.

However, in other embodiments, the battery cells 20 may be soft-pack battery cells or cylindrical battery cells, which will not be described herein.

As shown in fig. 5, in an embodiment, the battery pack 100 further includes a fixing frame 40, where the fixing frame 40 is disposed corresponding to the collecting boards 30, so that each collecting board 30 is placed in a cavity formed by the fixing frame 40 inward, and a plurality of reinforcing ribs 41 are disposed on the fixing frame 40, and the reinforcing ribs 41 can increase the structural strength of the fixing frame 40, so that the fixing frame 40 plays a certain role in protecting the collecting boards 30, and the collecting boards 30 are prevented from being damaged due to collision in the installation and use processes, so as to protect the functionality of the collecting boards 30. The acquisition board 30 is fixed in the fixing frame 40 by means of connecting members, which may be specifically provided as bolts, screws or the like.

Further, each fixing frame 40 is fixedly connected with the partition beam 11, and the collecting plate 30 is fixed in a groove 111 formed on the partition beam 11 through the fixing frame 40. The fixing manner may be specifically set as bolting, bonding, etc., so as to achieve the fixed mounting of the acquisition board 30 in the groove 111.

Specifically, a connector is arranged on one side of the collection board 30, the collection board 30 is fixedly connected with the fixing frame 40 and then inserted into the groove 111, and one side of the collection board 30 provided with the connector faces the notch direction of the groove 111, so that the collection board 30 can be conveniently inserted outwards.

In an embodiment, an automobile is further provided, which includes an automobile body (not shown) and the battery pack 100, and due to the reasonable arrangement of the collecting board 30, the battery pack 100 has a stronger loading capacity on the battery core 20, the battery pack 100 can output more electric quantity, and the battery pack 100 is mounted on the automobile body, so that the automobile with the battery pack 100 is stronger in cruising ability.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. A battery pack comprises a shell (10) and a plurality of electric cores (20), wherein the electric cores (20) are arranged in the shell (10), and each electric core (20) is electrically connected with a collection plate (30); the battery cell is characterized in that a separation beam (11) is further formed on the shell (10), the separation beam (11) is surrounded with the shell (10) and is provided with a battery cell containing cavity, and the battery cell containing cavity is used for containing the battery cell (20);

the separation beam (11) is provided with a groove (111) along the thickness direction of the battery cell (20), the groove (111) is correspondingly arranged with the acquisition plate (30), and the acquisition plate (30) is at least partially arranged in the groove (111), so that the acquisition plate (30) is positioned in the area where the separation beam (11) is positioned.

2. The battery pack according to claim 1, wherein the grooves (111) are in one-to-one correspondence with the collecting plates (30), and the collecting plates (30) are at least partially inserted into the corresponding grooves (111).

3. The battery pack according to claim 1, wherein the collection plates (30) between the plurality of the electric cells (20) are sequentially arranged at intervals along the first preset direction of the housing (10).

4. A battery pack according to claim 3, wherein the number of cells (20) is twice the number of acquisition plates (30);

along a second preset direction of the shell (10), one acquisition plate (30) is correspondingly arranged between the two battery cells (20), and the second preset direction is perpendicular to the first preset direction.

5. A battery pack according to claim 3, wherein two acquisition plates (30) are arranged between two of the cells (20) in correspondence along a second preset direction of the casing, the second preset direction being perpendicular to the first preset direction.

6. The battery pack according to claim 1, wherein the collecting plates (30) among the plurality of electric cells (20) are cooperatively formed with a first collecting plate assembly and a second collecting plate assembly, and the collecting plates (30) in the first collecting plate assembly are sequentially arranged at intervals along a first preset direction of the housing (10);

the collection plates (30) in the second collection plate assembly are sequentially arranged at intervals along a second preset direction of the shell (10), and the first preset direction is perpendicular to the second preset direction.

7. The battery pack of claim 6, wherein the number of the first collection plate assemblies is plural, and plural sets of the first collection plate assemblies are arranged at intervals along the second preset direction.

8. The battery pack according to claim 1, wherein the battery pack (100) further comprises fixing frames (40), the fixing frames (40) are arranged corresponding to the collecting plates (30), and each fixing frame (40) is connected with the separating beam (11) respectively to limit the collecting plates (30) to the separating beam (11).

9. The battery pack according to claim 8, wherein the fixing frame (40) is formed with a cavity inward, and the collecting plate (30) is disposed in the cavity and connected to the corresponding fixing frame (40).

10. An automobile characterized by comprising an automobile body and the battery pack (100) according to any one of claims 1 to 9, the battery pack (100) being mounted on the automobile body.