Lightweight battery box of new energy automobile
By using the design of the upper cover and module cover separately in the lightweight battery box of new energy vehicles, the problem of too light and insufficient thickness of the battery box is solved, and better anti-collision protection and extended battery life are achieved.
Patent Information
- Application Number
- CN202421465687.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The lightweight battery boxes of existing new energy vehicles are too light and thin, which can easily cause battery damage during collisions. At the same time, insufficient protection thickness affects the weight of the car and battery life.
A lightweight battery box for new energy vehicles was designed, using the upper cover and the module cover to clamp on the battery module separately, and pressure sharing is performed through the upper cover, and the bottom template assembly is added to improve collision protection and avoid the battery box being too heavy or too light.
It effectively avoids the problem of too light protection of the battery case during collision, extends the battery life, and avoids the impact of too heavy or too light battery case on the weight of the car.
Smart Images
Figure CN222801992U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to a lightweight battery box for a new energy vehicle, in particular to a lightweight battery box for a new energy vehicle. Background Art
[0002] Lightweight battery boxes for new energy vehicles are mainly used to carry battery modules, cooling systems and other battery system components to protect the battery from damage when it is hit or squeezed. The battery box consists of an upper cover and a lower shell (tray / box). The main materials of the upper cover are metal or composite materials, which are lighter and thinner than the lower shell. The lower shell needs to bear the weight of battery modules and other components, and needs to have high strength, and is mostly made of metal.
[0003] The existing lightweight battery box protection for new energy vehicles is too thin, causing battery damage during collision. The battery box protection thickness is limited. If it is too heavy, it will affect the weight of the new energy vehicle. If it is too light, the anti-collision coefficient will be too low, affecting the service life of the new energy vehicle battery. Utility Model Content
[0004] The purpose of the utility model is to provide a lightweight battery box for new energy vehicles to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A lightweight battery box for new energy vehicles, comprising an upper cover, a battery module, a box body and a fixing assembly, wherein the mounting position on the upper cover is provided with a box body, the battery module is distributed and installed inside the box body, the fixing position on the fixing assembly is provided with a box body, and further comprising:
[0007] A module sealing assembly is installed on the box body;
[0008] A bottom template assembly is arranged on the box body;
[0009] Among them, a through hole is opened at the reinforcement part on the box body, the bottom end of the box body is fixedly connected with the box bottom, the bottom end of the box bottom is opened with a groove, the locking part on the groove is provided with a bottom guard plate, the inside of the bottom guard plate is fixedly connected with a supporting convex plate, and merging grooves are opened on both sides of the top of the upper cover.
[0010] The lightweight battery box for new energy vehicles as described above: the upper cover is snap-fitted and installed on the box body, and the battery module on the box body is attached to the bottom end of the upper cover.
[0011] As described above, in the lightweight battery box for new energy vehicles: the bottom guard plate is installed at the bottom end of the box body through the box bottom, and the supporting protrusion on the bottom guard plate is engaged with the inside of the groove.
[0012] The lightweight battery box for new energy vehicles as described above: the module sealing assembly includes a module cover opened at the bottom end of the upper cover, and bottom holes are provided on both sides of the module cover.
[0013] The lightweight battery box for new energy vehicles as described above: the upper cover is covered on the battery module through the module cover, and the upper cover and the box body are fixed by threading through the bottom hole.
[0014] The lightweight battery box for new energy vehicles as described above: the bottom template assembly includes a bottom protection groove plate opened on the inner side of the supporting convex plate, and sockets are opened at both ends of the bottom guard plate, and a through block passes through the inside of the socket.
[0015] The lightweight battery box for new energy vehicles as described above: the penetration block passes through the socket and is fastened to the bottom protection slot plate and the box body.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the upper cover and the module cover are separately engaged on the battery module, the battery module and the module cover share the pressure through the upper cover, reducing the pressure of the entire battery module, avoiding the lightweight battery box of the new energy vehicle from being too thin, and during the collision of the lightweight battery box of the new energy vehicle, the upper cover and the module cover are separately protected to prevent the entire battery pack from being damaged. The upper cover and the module cover can provide bottom pressure protection for the battery box, and the module cover is supported between the upper cover and the battery box to provide anti-collision protection.
[0017] The bottom protection groove plate and the supporting convex plate are interspersed with the bottom of the box and the inside of the groove for protection, and can be supported on the bottom of the battery box. The bottom protection groove plate and the supporting convex plate increase the protection thickness to prevent the battery box from being too heavy and affecting the weight of the new energy vehicle. The bottom protection groove plate and the supporting convex plate prevent it from being too light. The bottom protection groove plate and the supporting convex plate provide anti-collision protection to prevent the battery box from being damaged by collision, thereby extending the battery life of the new energy vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the module sealing assembly of the utility model;
[0020] Figure 3 It is a structural schematic diagram of the bottom template assembly of the utility model.
[0021] In the figure: 1. upper cover; 2. battery module; 3. through hole; 4. box body; 5. supporting convex plate; 6. bottom guard plate; 7. merging groove; 8. box bottom; 9. groove; 10. bottom hole; 11. module cover; 12. through block; 13. socket; 14. bottom protection groove plate. DETAILED DESCRIPTION
[0022] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.
[0023] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.
[0024] In addition, in order to better illustrate the present application, numerous specific details are provided in the specific embodiments below. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, and elements well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.
[0025] See also Figures 1 to 3 , a lightweight battery box for new energy vehicles is proposed, including an upper cover 1, a battery module 2, a box body 4 and a fixing component.
[0026] A box body 4 is provided at the mounting position on the upper cover 1, and the battery modules 2 are distributed and installed inside the box body 4. A box body 4 is provided at the fixing position on the fixing assembly, and a module sealing assembly is installed on the box body 4; a bottom template assembly is provided on the box body 4;
[0027] The battery module 2 is sealed and installed through the box body 4 and the upper cover 1, so that the box body 4 and the upper cover 1 are sealed and installed on the new energy vehicle, and the box body 4 and the upper cover 1 can provide anti-collision sealing protection for the battery module 2;
[0028] Among them, a through hole 3 is opened at the reinforcement part on the box body 4, the bottom end of the box body 4 is fixedly connected with a box bottom 8, the bottom end of the box bottom 8 is opened with a groove 9, and a bottom guard plate 6 is provided at the engaging part on the groove 9, and a supporting convex plate 5 is fixedly connected inside the bottom guard plate 6, and merging grooves 7 are opened on both sides of the top of the upper cover 1.
[0029] In this embodiment, after the box body 4 and the upper cover 1 are sealed and installed, the bottom guard plate 6 is snapped into place at the bottom end of the box body 4. The box body 4, the bottom guard plate 6 and the upper cover 1 are fastened and installed through the through hole 3, so that the box body 4, the bottom guard plate 6 and the upper cover 1 are sealed and wrapped around the outside of the battery module 2. The box bottom 8 and the groove 9 on the box body 4 are sealably snapped into place on the bottom guard plate 6, so as to provide anti-collision protection for the bottom of the box body 4.
[0030] Preferably, the upper cover 1 is snap-fitted and installed on the box body 4, the battery module 2 on the box body 4 is attached to the bottom end of the upper cover 1, and the upper cover 1 is sealed and protected on the battery module 2, and the battery module 2 can be integrated and fastened and installed, and reinforced by thread penetration.
[0031] Preferably, the bottom guard plate 6 is installed at the bottom end of the box body 4 through the box bottom 8, and the supporting protrusion 5 on the bottom guard plate 6 is snap-fitted into the inside of the groove 9. The supporting protrusion 5 on the bottom guard plate 6 is snap-fitted and installed inside the groove 9. The supporting protrusion 5 and the groove 9 protect the bottom end of the box body 4. At the same time, the supporting protrusion 5 can be distributed and supported at the bottom end of the box body 4, thereby improving the anti-collision coefficient of the bottom end of the box body 4.
[0032] Please refer to Figure 1 and Figure 2 In this embodiment, the module sealing assembly includes a module cover 11 opened at the bottom end of the upper cover 1 , and bottom holes 10 are arranged on both sides of the module cover 11 .
[0033] The bottom hole 10 on the upper cover 1 can be aligned and installed on the through hole 3, so that the upper cover 1 and the box body 4 can be combined and fastened to each other, so that the module cover 11 on the upper cover 1 is correspondingly engaged on the battery module 2, and the battery module 2 can be protected separately.
[0034] Preferably, the upper cover 1 covers the battery module 2 through the module cover 11, and the upper cover 1 and the box body 4 are fixed by threading through the bottom hole 10. The upper cover 1 adopts a bottom convex cover structure and is installed accordingly through the module cover 11, so that the battery module 2 is individually clamped in the upper cover 1 and the inside of the box body 4. Without changing the protective thickness of the battery box, the upper cover 1 and the module cover 11 are individually clamped on the battery module 2, and the battery module 2 and the module cover 11 share the pressure through the upper cover 1 to reduce the pressure of the entire battery module 2 and avoid the lightweight battery box of the new energy vehicle from being too thin. During the collision of the lightweight battery box of the new energy vehicle, the upper cover 1 and the module cover 11 are individually protected to prevent the entire battery pack from being damaged. The upper cover 1 and the module cover 11 can provide bottom pressure protection for the battery box, and the module cover 11 is supported between the upper cover 1 and the battery box for anti-collision protection.
[0035] Please refer to Figure 1 and Figure 3 In this embodiment, the bottom template assembly includes a bottom protection groove plate 14 opened on the inner side of the supporting protruding plate 5, and sockets 13 are opened at both ends of the bottom guard plate 6, and a through block 12 passes through the inside of the socket 13.
[0036] The bottom protection groove plate 14 is supported on the box bottom 8 and the groove 9 through the supporting convex plate 5, which can provide bottom support and protection for the box body 4. Then the through block 12 on the box body 4 is penetrated into the socket 13, and the bottom guard plate 6 is fastened to the box body 4 through the socket 13.
[0037] Preferably, the through block 12 is fastened to the bottom protection groove plate 14 and the box body 4 through the socket 13 , and the bottom protection groove plate 14 and the supporting convex plate 5 are inserted and protected inside the box bottom 8 and the groove 9 , so as to support the bottom of the box body 4 .
[0038] As can be seen from the above, the box body 4, the bottom guard plate 6 and the upper cover 1 are fastened and installed through the through hole 3, so that the box body 4, the bottom guard plate 6 and the upper cover 1 are sealed and wrapped around the outside of the battery module 2, and the through block 12 on the box body 4 passes through the inside of the socket 13, and the bottom guard plate 6 is fastened and installed on the box body 4 through the socket 13 for external protection.
[0039] The battery module 2 is separately engaged in the upper cover 1 and the inside of the box body 4. Without changing the protective thickness of the battery box, the upper cover 1 and the module cover 11 are separately engaged on the battery module 2. The battery module 2 and the module cover 11 share the pressure through the upper cover 1, reducing the pressure of the entire battery module 2 and preventing the protection of the lightweight battery box of the new energy vehicle from being too thin. During the collision of the lightweight battery box of the new energy vehicle, it is protected separately by the upper cover 1 and the module cover 11.
[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A lightweight battery box for a new energy vehicle, comprising an upper cover (1), a battery module (2), a box body (4) and a fixing assembly, wherein the box body (4) is arranged at a mounting position on the upper cover (1), the battery module (2) is installed and distributed inside the box body (4), and the box body (4) is arranged at a fixing position on the fixing assembly, characterized in that: It also includes the following: A module sealing assembly, mounted on the box body (4); A bottom template assembly, arranged on the box body (4); A through hole (3) is provided at a reinforcement portion on the box body (4), a box bottom (8) is fixedly connected to the bottom end of the box body (4), a groove (9) is provided at the bottom end of the box bottom (8), a bottom guard plate (6) is provided at a snap-fit position on the groove (9), a supporting convex plate (5) is fixedly connected inside the bottom guard plate (6), and merging grooves (7) are provided on both sides of the top end of the upper cover (1).
2. A lightweight battery box for new energy vehicles according to claim 1, characterized in that: The upper cover (1) is snap-fitted and mounted on the box body (4), and the battery module (2) on the box body (4) is attached to the bottom end of the upper cover (1).
3. A lightweight battery box for new energy vehicles according to claim 1, characterized in that: The bottom guard plate (6) is installed at the bottom end of the box body (4) through the box bottom (8), and the supporting protrusion (5) on the bottom guard plate (6) is snap-fitted into the inside of the groove (9).
4. A lightweight battery box for new energy vehicles according to claim 1, characterized in that: The module sealing assembly comprises a module cover (11) opened at the bottom end of the upper cover (1), and bottom holes (10) are arranged on both sides of the module cover (11).
5. A lightweight battery box for new energy vehicles according to claim 4, characterized in that: The upper cover (1) covers the battery module (2) via a module cover (11), and the upper cover (1) and the box body (4) are fixed by threaded penetration via a bottom hole (10).
6. A lightweight battery box for new energy vehicles according to claim 1, characterized in that: The bottom template assembly comprises a bottom protection groove plate (14) provided on the inner side of the supporting convex plate (5), and sockets (13) are provided at both ends of the bottom protection plate (6), and a through block (12) penetrates the inside of the socket (13).
7. A lightweight battery box for new energy vehicles according to claim 6, characterized in that: The penetration block (12) passes through the socket (13) and is fastened to the bottom protection slot plate (14) and the box body (4).