CN219739163U - Battery box and battery pack - Google Patents
Battery box and battery pack Download PDFInfo
- Publication number
- CN219739163U CN219739163U CN202321043164.3U CN202321043164U CN219739163U CN 219739163 U CN219739163 U CN 219739163U CN 202321043164 U CN202321043164 U CN 202321043164U CN 219739163 U CN219739163 U CN 219739163U
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- battery
- reinforcing
- reinforcing ribs
- side frame
- box
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 118
- 230000002787 reinforcement Effects 0.000 claims 7
- 238000004512 die casting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery box and a battery pack. The battery box comprises a box body and a reinforcing structure; the box body comprises two side frames which are oppositely arranged, both ends of the two side frames extend along a first direction, at least one side frame is provided with a reinforcing structure, the reinforcing structure comprises a plurality of reinforcing ribs, and the plurality of reinforcing ribs are arranged on the inner side surfaces of the side frames at intervals along the first direction; in the first direction, a receiving chamber for placing the battery can be formed between each adjacent two of the reinforcing ribs. The battery pack comprises the battery box and a plurality of batteries, wherein the batteries are placed in each accommodating cavity, and the batteries in each accommodating cavity form a battery column. According to the battery box, the side frames are protected by arranging the reinforcing structure, so that the structural strength of the battery box is improved, and the safety is higher. According to the battery pack, the battery is placed between two adjacent reinforcing ribs, so that the reinforcing ribs are prevented from directly colliding with the battery, and the safety of the battery pack is improved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery box and a battery pack.
Background
With the popularization of electric vehicles, the safety of the electric vehicles is becoming more and more interesting, and the battery pack is an important component of the electric vehicles, so that the safety is of great importance. The structure of the battery pack mainly comprises a battery box and a battery, wherein the battery is placed in the battery box. The battery box has frame and the protection roof beam that the frame encloses all around, and frame and protection roof beam can provide the guard action for the battery in the battery box, but in order to improve the capacity of battery package, in the battery box that current is commonly used, mostly all removed comparatively thick and heavy protection roof beam, only remain the frame protection, lead to the structural strength of battery box lower, especially the side frame, receive side force impact easily and fracture, lead to the stability of battery package to reduce, life is shorter.
Disclosure of Invention
In order to overcome at least one of the above drawbacks of the prior art, an object of the present utility model is to provide a battery box, which protects a side frame by providing a reinforcing structure, thereby effectively improving the structural strength of the battery box.
In order to overcome at least one defect in the prior art, the second object of the present utility model is to provide a battery pack, wherein the battery is placed between two adjacent reinforcing ribs, so that the structural strength of the battery box can be ensured, and meanwhile, the reinforcing ribs are prevented from directly colliding with the battery when the battery box is impacted, and the safety of the battery pack is improved.
One of the purposes of the utility model is realized by adopting the following technical scheme:
providing a battery box, comprising a box body and a reinforcing structure; the box body comprises two side frames which are oppositely arranged, both ends of the two side frames extend along a first direction, at least one side frame is provided with a reinforcing structure, the reinforcing structure comprises a plurality of reinforcing ribs, and the plurality of reinforcing ribs are arranged on the inner side surfaces of the side frames at intervals along the first direction; in the first direction, a receiving chamber for placing the battery can be formed between each adjacent two of the reinforcing ribs.
According to the battery box disclosed by the utility model, the side frames are protected by arranging the reinforcing structure, so that the structural strength of the battery box is effectively improved, the accommodating cavity for accommodating the battery can be formed between every two adjacent reinforcing ribs, the side frames can move towards the inside of the box when being impacted by side force in collision, namely, the reinforcing ribs can also move towards the inside of the box, the battery is placed between the two adjacent reinforcing ribs, the reinforcing ribs are prevented from directly striking the battery, the battery is prevented from being directly impacted, the integrity of the battery is greatly ensured, the battery is prevented from being damaged and burst, and the safety is higher.
The second purpose of the utility model is realized by adopting the following technical scheme:
the battery pack comprises the battery box and a plurality of batteries, wherein the batteries are placed in each accommodating cavity, the batteries in each accommodating cavity are arranged along a second direction to form a battery column, the second direction is perpendicular to the first direction, and the batteries are placed in the battery box along the first direction.
According to the battery pack, the battery is placed between two adjacent reinforcing ribs, so that the structural strength of the battery box can be ensured, the reinforcing ribs are prevented from directly colliding with the battery when the battery box is impacted, and the safety of the battery pack is improved.
Drawings
Fig. 1 is a schematic structural view of a battery box of the present embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a plan view of the battery box of the present embodiment.
Wherein the reference numerals have the following meanings:
1. a side frame; 2. a reinforcing structure; 21. reinforcing ribs; 22. a fixed block; 23. a stiffening beam; 3. a receiving chamber.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1, this embodiment discloses a battery box, including a box body and a reinforcing structure 2, where the structure of the box body is approximately the same as that of the existing battery box, the periphery of the box body is surrounded by a frame, the frame includes a front frame, a rear frame and side frames 1, the front frame and the rear frame are arranged on the front and rear sides of the whole box body at intervals, two side frames 1 are arranged on two sides of the whole box body at intervals, and for convenience of explanation, in this embodiment, the directions of "up", "down", "front", "rear", "left", "right", etc. refer to the coordinate system in fig. 1, specifically, two side frames 1 are respectively located on the left and right sides of the box body, that is, the two side frames 1 are arranged on two sides of the box body along the left and right directions.
The frame in the current battery box is mostly die casting, and die casting material self tensile and yield are very poor, and in the in-service use process, the frame is broken easily because of receiving the impact to damage the battery box, still can damage the group battery even, the security is relatively poor. The front frame and the rear frame are provided with a plurality of cavities for arranging circuits and the like, and the cavities can play a certain buffering role in the collision process, so that the front frame and the rear frame are not seriously damaged when being collided, but the two side frames 1 of the box are of simple die casting plate structures, in the actual use process, particularly, a plurality of battery packs for improving the capacity can be removed, thicker protection beams originally arranged on the outer side face of the side frame 1 can be removed, and the side frame 1 can be broken more easily when being collided and impacted by the side, so that the battery box is damaged, the battery pack can be damaged even, and the safety is poor.
In this embodiment, as shown in fig. 1, the box body includes two side frames 1 that set up relatively, and the both ends of two side frames 1 can both extend along first direction, and the both ends of two side frames 1 can both extend along the fore-and-aft direction promptly, and side frame 1 mainly receives the collision and the impact of left and right sides when using, and at least one side frame 1 is provided with additional strengthening 2, can guarantee that at least one side frame 1 can receive better protection, can improve the structural strength of whole battery box to a certain extent, improves the security of battery box.
In this embodiment, as shown in fig. 1 to 3, two side frames 1 are provided with reinforcing structures 2, and the reinforcing structures 2 on the two side frames 1 are symmetrically arranged, so that the reinforcing structures 2 can better protect the two side frames 1 no matter the box body is collided with the left side or the right side, thereby effectively improving the structural strength of the whole battery box and having higher safety.
In some other embodiments, only one side frame 1 is provided with a reinforcing structure 2, for example, the side frame 1 located at the left side of the case is provided with the reinforcing structure 2, or the side frame 1 located at the right side of the case is provided with the reinforcing structure 2, which can improve the structural strength of the whole battery case to some extent. It can be understood that, because the positions of the battery boxes installed during use are different, the probability that the two side frames 1 are collided is inconsistent, for example, the two side frames 1 may only be collided on the left side, and then the structural strength of the whole battery box can be improved only by arranging the reinforcing structure 2 on the side frame 1 on the left side, so that the structural strength of the box body is ensured, and meanwhile, the material can be saved.
In this embodiment, as shown in fig. 2, the reinforcing structure 2 includes a plurality of reinforcing ribs 21, and the plurality of reinforcing ribs 21 are disposed on the inner side surface of the side frame 1 at intervals along the first direction, and the side frame 1 located on the right side is taken as an example for explanation, and the plurality of reinforcing ribs 21 are disposed on the inner side surface of the side frame 1 at intervals along the front-rear direction, so that the structural strength of the side frame 1 can be enhanced, and the crashworthiness of the side frame 1 can be improved.
In this embodiment, as shown in fig. 1 to 3, in the first direction, a receiving cavity 3 for placing a battery can be formed between every two adjacent reinforcing ribs 21, more specifically, the reinforcing structures 2 on the two side frames 1 are symmetrically arranged, two adjacent reinforcing ribs 21 on the left side frame 1 and two adjacent reinforcing ribs 21 symmetrically arranged on the right side frame 1 together enclose a rectangular receiving cavity 3, and the battery can be placed in the receiving cavity 3.
It can be understood that the side frame 1 will move toward the inside of the case when being impacted by a side force in a collision, that is, the reinforcing rib 21 will also move toward the inside of the case, and the contact surface between the reinforcing rib 21 and the battery is small, the pressure applied to the surface of the battery is larger, if the reinforcing rib 21 directly impacts the battery, the battery is easy to crack and damage, while in this embodiment, the battery is placed between two adjacent reinforcing ribs 21, when the side frame 1 is impacted by a side force, the reinforcing rib 21 is prevented from directly striking the battery, but the side frame 1 contacts the battery, the contact surface is larger, the pressure applied to the surface of the battery is smaller, the probability of damage caused by the rupture of the battery is reduced, the integrity of the battery is greatly ensured, the structural strength of the side frame 1 is ensured, the side frame 1 is prevented from being directly bumped to the battery when being impacted, the damage and burst of the battery is prevented, and the safety is higher.
In this embodiment, the reinforcing ribs 21 are fixedly connected with the side frame 1, for example, by welding or integrally forming, and are connected with the side frame 1, so that the connection between the reinforcing structure 2 and the side frame 1 is more stable, and the overall structural strength of the reinforcing structure 2 and the side frame 1 is higher.
In this embodiment, the plurality of reinforcing ribs 21 are uniformly distributed along the first direction at intervals, that is, the plurality of reinforcing ribs 21 are uniformly disposed on the inner side surface of the side frame 1 along the front-rear direction at intervals, so that the impact received by the side frame 1 can be absorbed more uniformly, and the anti-collision effect is better.
In this embodiment, the distance between two adjacent reinforcing ribs 21 is 50-100mm, more specifically, the distance between two adjacent reinforcing ribs 21 may be, but is not limited to, 50mm, 60mm, 65mm, 70mm, 75mm, 85mm, 90mm, 95mm or 100mm, etc., the distance between two adjacent reinforcing ribs 21 is not less than 50mm, it is possible to avoid the increase in the weight of the case due to the excessive density of the reinforcing ribs 21, and the shaping of the reinforcing ribs 21 is facilitated, and the distance between the adjacent reinforcing ribs 21 is not more than 100mm, so that the overall structure of the reinforcing structure 2 and the side frame 1 can be ensured to have higher structural strength.
In some other embodiments, the distance between two adjacent reinforcing ribs 21 may be inconsistent, and may be changed according to the magnitude of the lateral force applied to the battery box in actual use, so that the adaptability is better.
In this embodiment, as shown in fig. 2, the reinforcing structure 2 further includes a plurality of fixing blocks 22, each reinforcing rib 21 is connected with at least one fixing block 22, and the fixing blocks 22 can further improve the structural strength of the reinforcing ribs 21, that is, further improve the structural strength of the side frame 1, and improve the anti-collision capability of the side frame 1, thereby improving the structural strength of the box body, and making the safety of the battery box higher.
In this embodiment, the reinforcing ribs 21 are fixedly connected with the fixing blocks 22, for example, welded or integrally formed, so that the connection between the reinforcing structure 2 and the side frames 1 is more stable, and the overall structural strength of the reinforcing structure 2 and the side frames 1 is higher.
In this embodiment, two fixing blocks 22 are connected to each reinforcing rib 21, more specifically, for one reinforcing rib 21, two fixing blocks 22 are respectively connected to the front side and the rear side of the reinforcing rib 21, so that the structural strength of the whole reinforcing structure 2 can be improved more uniformly, the anti-collision capability of the side frame 1 is improved, and the structural strength of the box body is improved, so that the safety of the battery box is higher.
In this embodiment, the fixing block 22 is provided with a rounded corner, so that the battery can be prevented from being knocked during the battery installation.
In this embodiment, the two ends of the reinforcing rib 21 extend in the vertical direction, and the fixing block 22 is located at one end of the reinforcing rib 21 near the bottom of the box body, it is understood that the fixing block 22 is located at the bottom of the reinforcing rib 21, that is, the root of the reinforcing rib 21, and the structural strength of the root of the reinforcing rib 21 is improved, so that the structural strength of the whole reinforcing structure 2 is improved.
In this embodiment, as shown in fig. 2, the reinforcing structure 2 further includes a reinforcing beam 23, where two ends of the reinforcing beam 23 extend along a first direction, that is, two ends of the reinforcing beam 23 extend along a front-rear direction, and the reinforcing beam 23 is connected to the side frame 1 through a reinforcing rib 21, that is, one side of the reinforcing beam 23 is fixedly connected to a lower side of the side frame 1 through a root of the reinforcing rib 21. Taking the side frame 1 on the right side as an example for illustration, the reinforcing rib 21 is located on the left side of the side frame 1, the reinforcing beam 23 is located on the left side of the reinforcing rib 21, the right side edge of the reinforcing beam 23 is connected to the lower portion or the bottom of the left side of the side frame 1 through the root of the reinforcing rib 21, and the structural strength of the whole reinforcing structure 2 can be further improved, so that the structural strength of the box body is improved, and the safety of the battery box is higher.
In this embodiment, the reinforcing beam 23 is fixedly connected with the side frame 1, for example, welded, so that the connection between the reinforcing structure 2 and the side frame 1 is more stable, and the overall structural strength of the reinforcing structure 2 and the side frame 1 is higher.
In this embodiment, the height of the reinforcing rib 21 is smaller than the height of the side frame 1, the box body further comprises an upper cover, the upper cover is covered above the side frame 1 when being installed, and the height of the reinforcing rib 21 is smaller than the height of the side frame 1, namely, the reinforcing rib 21 cannot protrude out of the upper side surface of the side frame 1, the upper cover cannot be prevented from being installed, and the installation is more convenient.
In this embodiment, the reinforcing rib 21 is provided with a rounded corner, more specifically, the upper side surface and the inner side surface of the reinforcing rib 21 are provided with rounded corners, so that the battery can be prevented from being knocked when the battery is mounted as much as possible.
In this embodiment, the side frame 1 is a die casting, which is convenient for processing and molding.
In addition to providing the above-described battery case, the present embodiment provides a battery pack including the above-described battery case and a plurality of batteries, in each of which a plurality of batteries are placed in each of the accommodating chambers 3, the plurality of batteries in each of the accommodating chambers 3 are arranged in a second direction to form a battery row, the second direction being perpendicular to the first direction, that is, the plurality of batteries in each of the accommodating chambers 3 are arranged in the left-right direction to form a battery row, the plurality of battery rows are placed in the battery case in the first direction, that is, the plurality of battery rows are placed in the battery case in the front-rear direction, more specifically, in one of the accommodating chambers 3, the plurality of batteries are arranged in the left-right direction to form one battery row, and the plurality of battery rows are all disposed in the battery case in the front-rear direction. It will be appreciated that in some other embodiments, the arrangement of a plurality of cells in a first direction may also be referred to as a battery string, with a plurality of battery strings being disposed in a battery compartment in a second direction.
More specifically, in this embodiment, the reinforcing rib 21 is disposed in the gap between two adjacent battery strings, and the side frame 1 moves toward the inside of the case when being impacted by side force in the collision, that is, the reinforcing rib 21 also moves toward the inside of the case, the reinforcing rib 21 is disposed in the gap between two adjacent battery strings, that is, the battery strings are disposed between two adjacent reinforcing ribs 21, so as to avoid the reinforcing rib 21 from directly striking the battery strings, avoid the battery strings from being directly impacted, greatly ensure the integrity of the battery strings, prevent the battery from being damaged and burst, and effectively improve the safety of the battery pack.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. A battery box, characterized by comprising a box body and a reinforcing structure (2);
the box body comprises two side frames (1) which are oppositely arranged, two ends of each side frame (1) extend along a first direction, at least one side frame (1) is provided with a reinforcing structure (2), the reinforcing structure (2) comprises a plurality of reinforcing ribs (21), and the reinforcing ribs (21) are arranged on the inner side surface of the side frame (1) at intervals along the first direction;
in the first direction, a containing cavity (3) for placing batteries can be formed between every two adjacent reinforcing ribs (21).
2. The battery box according to claim 1, wherein the reinforcing structure (2) further comprises a plurality of fixing blocks (22), and at least one fixing block (22) is connected to each reinforcing rib (21).
3. A battery compartment according to claim 2, wherein two of said fixing blocks (22) are attached to each of said reinforcing ribs (21).
4. The battery box according to claim 2, characterized in that both ends of the reinforcing rib (21) extend in a vertical direction, and the fixing block (22) is located at one end of the reinforcing rib (21) near the bottom of the box body.
5. The battery box according to claim 1, characterized in that the reinforcement structure (2) further comprises reinforcement beams (23), both ends of the reinforcement beams (23) extend in the first direction, and the reinforcement beams (23) are connected to the side frames (1) through the reinforcement ribs (21).
6. The battery box according to claim 5, characterized in that one side of the reinforcement beam (23) is connected to the lower side of the side frame (1) through the bottom of the reinforcement rib (21).
7. The battery box according to claim 1, characterized in that the height of the reinforcing ribs (21) is smaller than the height of the side frames (1).
8. Battery compartment according to any of claims 1 to 7, characterized in that the reinforcing structure (2) is provided on both side frames (1).
9. A battery pack comprising the battery box according to any one of claims 1 to 8 and a plurality of batteries, wherein a plurality of the batteries are placed in each of the accommodating chambers (3), the plurality of batteries in each of the accommodating chambers (3) are arranged in a second direction perpendicular to the first direction to form a battery row, and the plurality of battery rows are placed in the battery box in the first direction.
10. The battery pack according to claim 9, wherein the reinforcing ribs (21) are provided in a gap between two adjacent battery rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321043164.3U CN219739163U (en) | 2023-04-28 | 2023-04-28 | Battery box and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321043164.3U CN219739163U (en) | 2023-04-28 | 2023-04-28 | Battery box and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219739163U true CN219739163U (en) | 2023-09-22 |
Family
ID=88055560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321043164.3U Active CN219739163U (en) | 2023-04-28 | 2023-04-28 | Battery box and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219739163U (en) |
-
2023
- 2023-04-28 CN CN202321043164.3U patent/CN219739163U/en active Active
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