Battery module box cover structural member assembly

Abstract

The utility model discloses a battery module box cover structural member assembly, which relates to the technical field of battery boxes and comprises a box body and a sealing cover covering the top of the box body, a partition plate is arranged at the bottom of the sealing cover, a wiring groove is arranged on one side of the partition plate close to the sealing cover, a deformation layer is arranged on the surface of the partition plate, and a corrugated layer is arranged in the deformation layer. A battery is placed between the partition plates, the placement position of the battery is limited through the partition plates, the battery is limited by the partition plates and cannot displace in a large range, and the battery in the partition plates is extruded by the deformation layers on the two sides, so that even if the whole battery box shakes or vibrates, the battery cannot be damaged. The battery can extrude the deformation layer for buffering, the deformation layer can greatly absorb vibration transmitted by the battery so as to ensure that the battery is not damaged, and when high temperature is generated in the working process of the battery, due to the fact that the material of the partition plate has good heat conduction capacity, heat can be rapidly cooled through the cooling fins.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery box technical field especially relates to a battery module box cover structural member assembly. BACKGROUND

[0002] Battery module is usually placed in the battery box during assembly and use, and the battery box protects the battery module and provides a good working environment for the battery module during use.

[0003] The existing battery box is mostly composed of an integrally-formed box body and a cover matched with the box body, which can completely enclose the battery module to avoid the influence of external ring on the normal work of the battery module. However, when the battery module is used in a mobile device such as an electric vehicle, the battery module in the battery box is prone to damage due to shaking and mutual collision caused by shaking. In addition, the battery module cannot be effectively cooled in the enclosed container, and high temperature and collision acting on the battery module at the same time can increase the failure rate of the battery module and even cause a safety accident. SUMMARY

[0004] The utility model discloses a battery module box cover structural member assembly, which solves the problem that the battery modules in the battery box are prone to mutual collision during transportation or use, the temperature rises during the collision, the working environment of the battery modules is difficult to guarantee the stability of the battery modules, and the failure rate is increased and a safety accident may be caused.

[0005] To solve the problem of the prior art, the technical scheme of the utility model is as follows: a battery module box cover structural member assembly, comprising a box body and a cover covering the top of the box body, the bottom of the cover is provided with a partition plate, a wiring slot is formed in the side of the partition plate close to the cover, a deformation layer is arranged on the surface of the partition plate, a corrugated layer is arranged in the deformation layer, and a heat dissipation fin is arranged on the top of the partition plate and extends through the cover.

[0006] Further, the box body and the top cover are connected by bolts, and the bolts first pass through the heat dissipation fin and then penetrate the cover and the box body to connect them, so that the connection between the heat dissipation fin and the cover is tight, and the strength of the cover is not reduced due to the partition plate passing through the cover.

[0007] Further, the partition plate is made of aluminum alloy and is divided into a vertical plate and a plurality of horizontal plates, the vertical plate has one, and the plurality of horizontal plates are evenly distributed on both sides of the vertical plate to divide the box body into a plurality of cavities, so that the partition plate has high heat conductivity, and the battery modules have independent placement positions.

[0008] Further, the partitioned cavities are each only one side directly communicated with the inner wall of the box, and the surface of the rest of each side of the partition is provided with a wiring slot, so that the batteries of the battery module can be connected in an orderly manner through the partition.

[0009] Further, the deformed layer is spaced between the two, and the upper and lower ends are connected to the plate-shaped flexible rubber structure of the partition, and each horizontal plate surface of the partition is symmetrically provided with two vertical plates, which ensures that the deformed layer has sufficient toughness to buffer vibration and collision, and the batteries in each cavity can be protected by the deformed layer on both sides.

[0010] Further, the corrugated layer is made of a material with a hardness greater than that of the deformed layer, and the whole is in the shape of a repeated bending arch, which provides sufficient support for the deformed layer and separates the two rubber plates of the deformed layer, avoiding the mutual influence of the temperatures of the batteries on both sides of the deformed layer.

[0011] Further, the partition and the heat dissipation fin are integrally made, and the heat dissipation fin includes a bottom plate portion covering the cover and a plurality of fins uniformly distributed on the top of the bottom plate, which increases the contact area of the heat dissipation fin with air and ensures the strength of the heat dissipation partition.

[0012] Further, the height and width of the deformed layer are greater than the height and width of the battery, and the length and width of the cavity formed by the partition are greater than those of the battery, but the surface of the battery is always in contact with the deformed layer, and the height of the wiring slot provided on the surface of the partition is higher than that of the deformed layer, so that the battery in the partition does not directly contact the partition, avoiding the aging of the battery leading to the conduction of the partition during long-term use, and the contact between the battery and the deformed layer can ensure that the deformed layer 5 can buffer in the first time when the battery shakes and vibrates.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. By placing the battery between the partition, the placement position of the battery is limited by the partition, so that the battery cannot be displaced in a large range, and the battery in the partition is pressed by the deformed layer on both sides, so that even if the whole battery box shakes or vibrates, the battery can be buffered by pushing the deformed layer, and the deformed layer is supported by the internal corrugated layer, so that the vibration transmitted by the battery can be greatly absorbed, thereby ensuring that the battery is not damaged.

[0015] 2. The box is divided into several cavities by the partition, so that the batteries in each battery module can be placed respectively, and when the battery works and generates high temperature, the partition material has good heat conduction capacity, which can quickly reduce the temperature through the heat dissipation fin, and ensure the stability of the working environment of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model.

[0017] Figure 2 It is the cover structure assembly schematic view of the utility model.

[0018] Figure 3 It is the inside structure schematic view of the utility model's box.

[0019] Figure 4 It is the partition plate section view schematic view of the utility model.

[0020] Reference signs: 1, box;2, cover;3, partition plate;4, wiring slot;5, deformation layer;6, corrugated layer;7, heat dissipation fin. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] As shown in Figures 1-4 A battery module box cover structure assembly, comprising a box 1 and a cover 2 covering the top of the box 1, the cover 2 is provided with a partition plate 3 at the bottom, the partition plate 3 is made of aluminum alloy and is divided into a vertical plate and a horizontal plate, wherein the vertical plate is one, and the horizontal plate is several, the several horizontal plates are evenly distributed on both sides of the vertical plate to divide the box 1 into multiple cavities, so that the partition plate 3 has high heat conduction performance, and the box 1 is divided to make the batteries of the battery module have independent placement positions, the side of the partition plate 3 close to the cover 2 is provided with a wiring slot 4, each of the cavities divided by the partition plate 3 has only one side directly communicating with the inner wall of the box 1, and the surface of the partition plate 3 of the remaining each side is provided with a wiring slot 4, so that the batteries of the battery module can be connected in an orderly manner through the partition plate 3;

[0023] The surface of the partition plate 3 is provided with a deformation layer 5, the deformation layer 5 is a plate-shaped flexible rubber structure with a spacing between the two upper and lower ends and the partition plate 3, two of the horizontal plates of the partition plate 3 are symmetrically provided on the surface of each horizontal plate with the vertical plate, so as to ensure that the deformation layer 5 has sufficient toughness to buffer vibration and collision, and the batteries in each cavity can be protected by the deformation layer 5 on both sides, the height and width of the deformation layer 5 are greater than the height and width of the battery, and the length and width of the cavity formed by the partition plate 3 are greater than the length and width of the battery, but the surface of the battery is always in contact with the deformation layer 5, and the height of the wiring slot 4 provided on the surface of the partition plate 3 is higher than that of the deformation layer 5, so that the batteries in the partition plate 3 do not directly contact the partition plate 3, avoiding the aging of the batteries in the long-term use process causing the partition plate 3 to conduct electricity, and the contact between the battery and the deformation layer 5 can ensure that the deformation layer 5 can buffer in the first time when the battery shakes and vibrates.

[0024] The corrugated layer 6 is arranged inside the deformation layer 5, the corrugated layer 6 is made of a material with a hardness greater than the rubber material of the deformation layer 5, and the whole is in the shape of an arch, which provides sufficient support for the deformation layer 5 and separates the two rubber plates of the deformation layer 5, so as to avoid the mutual transmission and influence of the battery temperatures on both sides of the deformation layer 5, the heat dissipation fins 7 are arranged on the top of the partition plate 3 extending through the cover 2, the box body 1 and the top cover 2 are connected by bolts, and the bolts first pass through the heat dissipation fins 7 and then pass through the cover 2 to connect the box body 1, so as to ensure the close connection between the heat dissipation fins 7 and the cover 2, avoid the strength reduction of the cover 2 caused by the partition plate 3 passing through the cover 2, and integrally form the partition plate 3 and the heat dissipation fins 7, and the heat dissipation fins 7 include a bottom plate portion covering the cover 2 and a plurality of fins uniformly distributed on the top of the bottom plate, which increases the contact area between the heat dissipation fins 7 and the air, and ensures that the heat dissipation partition plate 3 can increase the strength of the cover 2.

[0025] Working principle: first, the operator inverts the cover 2 when using, so that the partition plate 3 on the surface of the cover 2 is upward, exposing the cavities separated by the partition plate 3, then the batteries in the battery module are placed in the inner side of the partition plate 3, and the wires between the batteries are connected through the wire grooves 4, after all the batteries are placed and connected, the box body 1 is connected with the cover 2, so that the batteries enter the inside of the box body 1, then the whole structure is turned over for normal use.

[0026] In the use process, the heat generated by the battery module is absorbed by the partition plate 3, the partition plate 3 transmits the heat to the heat dissipation fins 7 to dissipate outward, so as to ensure that the temperature in the box body 1 will not be too high to affect the normal work of the battery.

[0027] And if the battery shakes, the battery will first push the deformation layer 5, the deformation layer 5 is squeezed when pushed, which increases the strength of the deformation layer 5, and when the shaking stops, the deformation layer 5 resets and pushes the battery to reset, in this process, the corrugated layer 6 makes the deformation layer 5 have the ability to deform, that is, even if the batteries on both sides of a single deformation layer 5 are squeezed at the same time, the deformation layer 5 can also buffer the pressure by compressing the corrugated layer 6, so as to protect the battery.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A battery module box cover structure assembly, comprising a box (1) and a cover (2) covering the top of the box (1), characterized in that: The bottom of the cover (2) is provided with a partition plate (3), the partition plate (3) is provided with a wiring slot (4) near one side of the cover (2), the surface of the partition plate (3) is provided with a deformation layer (5), the deformation layer (5) is provided with a corrugated layer (6) inside, and the top of the partition plate (3) is provided with a heat dissipation fin (7) extending through the cover (2).

2. The battery module cover structure assembly of claim 1, wherein: The box body (1) and the top cover (2) are connected through bolts, and the bolts first pass through the heat dissipation fin (7) and then penetrate the cover (2) and the box body (1).

3. The battery module cover structure assembly of claim 1, wherein: The partition plate (3) is made of aluminum alloy and is divided into a vertical plate and a plurality of horizontal plates, the vertical plate is one, the plurality of horizontal plates are evenly distributed on both sides of the vertical plate to divide the box body (1) into a plurality of cavities.

4. The battery module cover structure assembly of claim 3, wherein: Each of the cavities separated by the partition plate (3) has only one side directly communicating with the inner wall of the box body (1), and the surface of the partition plate (3) of the remaining each side is provided with a wiring slot (4).

5. The battery module cover structure assembly of claim 3, wherein: The deformation layer (5) is spaced apart between the two, and the upper and lower ends are connected to the plate-shaped flexible rubber structure of the partition plate (3), and each horizontal plate surface of the partition plate (3) is respectively provided with two symmetrical vertical plates.

6. The battery module cover structure assembly of claim 5, wherein: The corrugated layer (6) is made of a rubber material with a hardness greater than that of the deformation layer (5), and the whole is in the shape of a repeated bending arch.

7. The battery module cover structure assembly of claim 1, wherein: The partition plate (3) and the heat dissipation fin (7) are integrally made, and the heat dissipation fin (7) includes a bottom plate portion covering the cover (2) and a plurality of fins evenly distributed on the top of the bottom plate.

8. The battery module cover structure assembly of any one of claims 3-6, wherein: The height and width of the deformation layer (5) are greater than the height and width of the battery, and the length and width of the cavity formed by the partition plate (3) are greater than those of the battery, but the surface of the battery and the deformation layer (5) always maintain contact, and the height of the wiring slot (4) provided on the surface of the partition plate (3) is higher than that of the deformation layer (5).

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