CN218171975U

CN218171975U - Battery package guard plate and electric automobile

Info

Publication number: CN218171975U
Application number: CN202222026510.9U
Authority: CN
Inventors: 肖庆华
Original assignee: Shanghai Jusheng Technology Co Ltd
Current assignee: Shanghai Jusheng Technology Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-30
Anticipated expiration: 2032-08-02

Abstract

The embodiment of the utility model provides a battery package guard plate and electric automobile, battery package guard plate include guard flap and sub vehicle frame mounting panel, and guard flap's first baffle sets up towards the sub vehicle frame, and guard flap's second baffle sets up towards the battery package, and sub vehicle frame mounting panel is connected with the top of first baffle and is formed predetermined contained angle. The battery package guard plate with sub vehicle frame installation back, first baffle forms the slope spigot surface, the guide sub vehicle frame perhaps keeps away from battery package direction motion towards the lower casing of battery package, avoids the last casing of its striking battery package or battery package in the module, has increased battery package and electric automobile's security performance.

Description

Battery package guard plate and electric automobile

Technical Field

The utility model relates to an electric automobile technical field, concretely relates to battery package guard plate and electric automobile.

Background

With the development and popularization of new energy technologies, electric vehicles have gradually become the mainstream trend in the future. The battery pack is used as the most important part of the electric automobile, and provides a continuous power source for the whole automobile through repeated charging and discharging of the battery pack.

Various accidents inevitably occur in the use process of the electric automobile. As shown in fig. 1, the position of the bottom surface of the auxiliary frame 11 is high, and when a severe collision occurs, the auxiliary frame 11 is broken, so that the lower shell of the battery pack 12 can be avoided, and the internal module of the battery pack is directly impacted, so that a short circuit is caused, and the safety of the whole vehicle and personnel in the vehicle is endangered.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a battery package guard plate and electric automobile, battery package guard plate are connected between sub vehicle frame and battery package, can guide sub vehicle frame towards the lower casing of battery package or keep away from the motion of battery package direction, avoid its upper housing or the battery package inner module of striking battery package.

In a first aspect, an embodiment of the present invention provides a battery pack protection plate, the battery pack protection plate includes:

the protective baffle comprises a first baffle and a second baffle which are connected to form a U-shaped structure or a V-shaped structure, the first baffle faces the auxiliary frame, and the second baffle faces the battery pack;

and the auxiliary frame mounting plate is connected with the top end of the first baffle plate to form a preset included angle.

Furthermore, the protective baffle further comprises a first connecting plate, the first side edge of the first baffle is connected with the first side edge of the second baffle, and the top edge of the first connecting plate is connected with the first side edge of the auxiliary frame mounting plate in a flush manner;

the battery package guard plate still includes the second connecting plate, connects the second side of first baffle with the second side of sub vehicle frame mounting panel.

Furthermore, a first flanging is formed by bending part of the outer side edge of the auxiliary frame mounting plate, and the first flanging extends upwards towards one side far away from the first baffle in an inclined mode.

Further, the top edge of the second baffle is bent to form a second flanging.

Furthermore, a third flanging is formed by bending the first side edge of the auxiliary frame mounting plate and the top edge of the first connecting plate, and two ends of the third flanging are respectively connected with the first flanging and the second flanging.

Furthermore, the top edge of the second connecting plate and the outer side edge of the rest part of the auxiliary frame mounting plate are bent to form a fourth flanging, the fourth flanging is laterally connected with the second baffle plate, and the outer side edge of the fourth flanging is flush with the second side edge of the second baffle plate.

Further, the first flanging comprises a first portion and a second portion which are connected in a bent mode, the first portion is connected with the outer side edge of the auxiliary frame mounting plate, the second portion and the outer side edge of the auxiliary frame mounting plate form an opening, and the second portion is located above the fourth flanging which is connected to the partial outer side edge of the auxiliary frame mounting plate.

Further, the preset included angle is set to be 100-120 degrees, and the thickness of the protective plate of the battery pack is 1.6-2.0 mm.

Further, the distance from the bottom of the protective baffle to the upper end face of the lower shell of the battery pack is less than or equal to 50mm, and the width of the bottom of the protective baffle is greater than or equal to 30mm.

In a second aspect, the embodiment of the present invention provides an electric vehicle, the electric vehicle includes:

the auxiliary frame and the battery pack;

the battery pack protection plate of the first aspect, the battery pack protection plate being disposed between the battery pack and the subframe.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

FIG. 1 is a partial structural schematic diagram of a subframe and a battery pack of an electric vehicle;

fig. 2 is a schematic structural diagram of a battery pack protection plate according to an embodiment of the present invention;

fig. 3 is a side view of a battery pack protection plate according to an embodiment of the present invention mounted on an electric vehicle;

fig. 4 is a schematic structural diagram of the battery pack protection plate of the embodiment of the present invention installed on the electric vehicle.

Description of the drawings reference numbers:

1-a protective baffle; 2-a first baffle; 3-a second baffle; 4, mounting a sub-frame; a-a predetermined included angle; 5-a first connection plate; 6-a second connecting plate; 7-first flanging; 71-a first part; 72-second part; 8-second flanging; 9-third flanging; 10-fourth flanging; 11-subframe; 12-a battery pack; 13-2 beam; 14-front floor; 15-longitudinal beam.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Fig. 3 and 4 are schematic structural views illustrating the protective plate of the battery pack of the embodiment mounted on an electric vehicle. Wherein, the battery package guard plate is installed between electric automobile's sub vehicle frame and battery package, and the battery package guard plate respectively with sub vehicle frame and battery package between form buffer space. The battery package guard plate is used for guiding the sub vehicle frame to move to the lower casing of battery package and the outside of battery package to avoid sub vehicle frame direct impact battery to wrap the interior module, can effectively improve battery package and electric automobile's security performance.

Fig. 2 is a schematic structural diagram of a protection plate of a battery pack according to the embodiment. As shown in fig. 2, the protection plate for the battery pack includes a protection shield 1 and a sub-frame mounting plate 4. The protection plate for the battery pack comprises a first baffle plate 2 and a second baffle plate 3 which are connected to form a U-shaped structure or a V-shaped structure, as shown in fig. 2. The auxiliary frame mounting plate 4 is connected to the top end of the first baffle 2, and a predetermined included angle a is formed between the two, as shown in fig. 2. After the battery package guard plate and electric automobile's connected to frame, sub vehicle frame mounting panel 4 is pre-installed with electric automobile's assigned position, first baffle 2 is towards sub vehicle frame 11, second baffle 3 is towards battery package 12. Thereby, a predetermined obtuse angle a is formed between the first baffle 2 and the subframe 11, so that the first baffle 2 can be used for guiding the movement of the subframe 11 and avoiding directly impacting the battery pack inner module. Preferably, the predetermined included angle a is set to 100 to 120 degrees, so that the first baffle 2 can play a good role in guiding the subframe 11 to move towards the outer side of the battery pack.

Wherein, protective baffle 1 forms U-shaped structure or V-arrangement structure, can also make and form the contained angle between second baffle 3 and the battery package, can further provide the buffering space for the striking of sub vehicle frame 11 from this, further reduces the probability that sub vehicle frame 11 directly strikes module in the battery package. Meanwhile, an included angle formed between the second baffle 3 and the battery pack 12 can also be used for providing a heat dissipation space for the battery pack 12 and the like.

Further, the battery pack protection plate further comprises a first connection plate 5 and a second connection plate 6, as shown in fig. 2. Wherein, first connecting plate 5 is connected the first side of first baffle 2 with the first side of second baffle 3, just the topside of first connecting plate 5 with the first side parallel and level of sub vehicle frame mounting panel 4 is connected. That is, the first connection plate 5 seals one lateral opening of the U-shaped or V-shaped guard fence 1. The arrangement of the first connecting plate 5 can enhance the overall strength of the protective baffle 1. The second connecting plate 6 is connected the second side of first baffle 2 with the second side of sub vehicle frame mounting panel 4, just the top edge of second connecting plate 6 and the bottom parallel and level of guard flap 1. The overall strength of the battery pack protection plate can be enhanced by the second connection plate 6. Wherein, the mode that first connecting plate 5 and second connecting plate 6 set up relatively both can strengthen the bulk strength of battery package guard plate, the stamping forming etc. of the battery package guard plate of can also being convenient for. Besides, the first connecting plate 5 and the second connecting plate 6 are arranged to form a flanging structure connected with a frame of the electric automobile, so that the battery pack protection plate is convenient to install at the corresponding position of the electric automobile.

In this embodiment, the protection plate for the battery pack further comprises a first flange 7, a second flange 8, a third flange 9 and a fourth flange 10, as shown in fig. 2 and 4. Wherein, the first flanging 7 is formed on the outer side edge of the part of the sub-frame mounting plate 4 close to the first side edge in a bending way. The first flanging 7 extends upwards in an inclined manner towards the side far away from the first baffle plate 2. First turn-ups 7 is used for with electric automobile's 2 # roof beam 13's side laminating back welding together, from this the turn-over angle between first turn-ups 7 and the sub vehicle frame mounting panel 4 can carry out corresponding setting according to the angle between 2 # roof beam 13's the side and the lower surface.

The second flanging 8 is formed at the top edge of the second baffle 3 in a bending way. The second flange 8 is parallel to the front floor 14, and the second flange 8 is welded to the front floor 14 by fitting, as shown in fig. 4. The first side edge of the auxiliary frame mounting plate 4 and the top edge of the first connecting plate 5 are bent to form a third flanging 9, and two ends of the third flanging 9 are respectively connected with the first flanging 7 and the second flanging 8, as shown in fig. 2. The third flanging 9 is parallel to the lower surface of the No. 2 beam 13, and the third flanging 9 is welded with the lower surface of the No. 2 beam 13 in a fitting mode.

The top edge of the second connecting plate 6 is bent to form a fourth flanging 10. Wherein, two sides of the fourth flange 10 extend and then are respectively connected with the outer side edge (the part where the first flange 7 is not folded) of the rest part of the sub-frame mounting plate 4 and the part of the second baffle 3 longer than the first baffle 2, as shown in fig. 2. Preferably, the outer side edge of the fourth flange 10 is flush with the second side edge of the second baffle 3. The fourth flange 10 is parallel to the bottom surface of the longitudinal beam 15 and is welded thereto. Therefore, the battery pack protection plate is respectively attached to different positions of the frame of the electric automobile through four circumferential flanges, welded and fixedly connected between the auxiliary frame 11 and the battery pack 12.

In one embodiment, the first flange 7 includes a first portion 71 and a second portion 72 connected by bending, the first portion 71 is connected to the outer side edge of the subframe mounting plate 4, and the second portion 72 forms an opening with the outer side edge of the subframe mounting plate 4, as shown in fig. 2. The first portion 71 and the second portion 72 can be arranged according to the side structure of the No. 2 beam 13 in the electric automobile, so that the first portion is attached to the side surface of the No. 2 beam 13 for welding. Further, the second portion 72 is located above the fourth flange 10 connected to a partial outer side edge of the subframe mounting plate 4, so that the connection with the No. 2 beam 13 can be achieved, and the fourth flange 10 can be attached to the longitudinal beam 15, so that the overall connection strength is improved.

The battery package guard plate of this embodiment can be through panel beating punching press integrated into one piece, and it can also be formed through welding each other between each part. The material of the battery pack protection plate can be any material with the strength greater than or equal to that of the material B340/590DP, so that the battery pack protection plate is ensured to be rigid enough and can play a role in blocking and guiding when being impacted by the auxiliary frame 11. The thickness of the battery pack protective plate is 1.6mm-2.0mm, and the battery pack protective plate has good strength and can prevent the battery pack protective plate from being greatly deformed when being impacted by the auxiliary frame 11 and cannot provide a guide effect for the auxiliary frame 11. The width of the bottom of the protective baffle 1 is greater than or equal to 30mm, namely the bottom formed by connecting the first baffle 2 and the second baffle 3 has a certain width, so that stress concentration is avoided, and the strength of the protective plate for the battery pack is increased.

When the battery pack protection plate is installed on the electric automobile, the auxiliary frame installation plate 4 can be pre-installed together with the automobile frame in a bolt mode and the like, and then four flanges are welded after being respectively attached to the structures corresponding to the positions, as shown in fig. 4. The back is installed between sub vehicle frame 11 and battery package 12 to the battery package guard plate, the bottom of guard flap 1 is to the up end h distance of the lower casing of battery package 12 is less than or equal to 50mm, can make first baffle 2 play good guide effect, can also prevent that the battery package guard plate from influencing the normal use of battery package 12 simultaneously.

The embodiment also provides an electric vehicle, which comprises an auxiliary frame 11, a battery pack 12 and the battery pack protection plate according to the above embodiment, wherein the battery pack protection plate is arranged between the battery pack 12 and the auxiliary frame 11, as shown in fig. 3. The structure of the battery pack protection plate and the specific installation manner of the battery pack protection plate and the electric vehicle are the same as those of the above embodiments, and are not described herein. The installation of battery package guard plate sets up battery package 12 with between the sub vehicle frame 11, can play and block sub vehicle frame 11 striking battery package 12, guarantee that the battery package module does not receive the striking.

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

Claims

1. A battery pack protection plate, comprising:

the protective baffle (1) comprises a first baffle (2) and a second baffle (3) which are connected to form a U-shaped structure or a V-shaped structure, the first baffle (2) faces the auxiliary frame (11), and the second baffle (3) faces the battery pack (12);

and the auxiliary frame mounting plate (4) is connected with the top end of the first baffle (2) to form a preset included angle (a).

2. The battery pack protection plate according to claim 1, wherein the protection baffle plate (1) further comprises a first connecting plate (5) connecting a first side edge of the first baffle plate (2) and a first side edge of the second baffle plate (3), and a top edge of the first connecting plate (5) is flush-connected with a first side edge of the subframe mounting plate (4);

the battery pack protection plate further comprises a second connecting plate (6) connected with the second side edge of the first baffle plate (2) and the second side edge of the auxiliary frame mounting plate (4).

3. The battery pack protection plate according to claim 2, wherein a part of the outer side edge of the auxiliary frame mounting plate (4) is bent to form a first flange (7), and the first flange (7) extends obliquely upwards towards the side far away from the first baffle plate (2).

4. The battery pack protection plate according to claim 3, wherein the top edge of the second protection plate (3) is bent to form a second flange (8).

5. The battery pack protection plate according to claim 4, wherein a third flanging (9) is formed by bending a first side edge of the auxiliary frame mounting plate (4) and a top edge of the first connecting plate (5), and two ends of the third flanging (9) are respectively connected with the first flanging (7) and the second flanging (8).

6. The battery pack protection plate according to claim 3, wherein the top edge of the second connecting plate (6) and the outer side edge of the rest of the auxiliary frame mounting plate (4) are bent to form a fourth flange (10), the fourth flange (10) is laterally connected with the second baffle plate (3), and the outer side edge of the fourth flange (10) is flush with the second side edge of the second baffle plate (3).

7. The battery pack protection plate according to claim 6, wherein the first flange (7) comprises a first portion (71) and a second portion (72) which are connected in a bent manner, the first portion (71) is connected with an outer side edge of the subframe mounting plate (4), the second portion (72) forms an opening with the outer side edge of the subframe mounting plate (4), and the second portion (72) is located above the fourth flange (10) connected with a part of the outer side edge of the subframe mounting plate (4).

8. The battery pack protection plate according to claim 1, wherein the predetermined included angle (a) is set to 100-120 degrees, and the thickness of the battery pack protection plate is 1.6-2.0 mm.

9. The battery pack protection plate according to claim 1, wherein the distance from the bottom of the protective barrier (1) to the upper end surface of the lower case of the battery pack (12) is less than or equal to 50mm, and the width of the bottom of the protective barrier (1) is greater than or equal to 30mm.

10. An electric vehicle, characterized in that the electric vehicle comprises:

an auxiliary frame (11) and a battery pack (12);

the battery pack protection plate according to any one of claims 1 to 9, which is disposed between the battery pack (12) and the sub-frame (11).