CN218788458U - A mounting structure for a battery module shell - Google Patents

Abstract

The utility model discloses an installation structure of a battery module shell, which comprises a battery box shell, a shell cover plate and a plurality of battery modules, the top of the battery box shell is an open structure, and the shell cover plate is fixed and installed by fastening screws On the top of the battery box shell, a plurality of battery modules are arranged in the battery box shell and arranged at equal intervals, and a plurality of positioning boxes are fixedly installed on the bottom inner wall of the battery box shell, and the top of the multiple positioning boxes They are all open structures, and the bottoms of multiple battery modules are respectively located in corresponding positioning boxes. The utility model has a reasonable design, and can effectively enhance the heat dissipation effect inside the battery box shell during use when a plurality of battery modules are assembled and fixed in the battery box shell, so as to prevent the battery modules from being damaged due to high temperature, ensure the stable operation of the battery modules, and improve the battery life. The service life of the battery module.

Description

A mounting structure for a battery module housing

technical field

The utility model relates to the technical field of electric vehicle batteries, in particular to an installation structure of a battery module shell.

Background technique

With the rapid development of new energy electric vehicles, there are higher and higher requirements for battery safety. The way the battery is installed often determines the safety of the battery. The electric vehicle battery mainly includes the outer shell of the battery box and several battery modules. The battery module is fixedly installed in the outer casing of the battery box. According to the inspection institute, the Chinese patent announcement with the authorized announcement number CN207602656U is an easy-to-install battery module installation structure, including a battery box, a battery module, and two installation angle irons. The mouth position of the body, the two installation angle irons are installed facing each other, the top of the battery module is provided with installation lugs, the battery module is inserted between the two installation angle irons, the installation lugs are attached to and fixed by the installation angle irons. Such an easy-to-install battery module installation structure can complete the connection between the battery module and the battery box at the mouth of the battery box, which is easy to operate and effectively improves assembly efficiency.

The above scheme still has at least the following defects in the actual operation: during the use of installing and fixing multiple battery modules in the battery box, due to the relatively compact arrangement of the multiple battery modules, it is not possible to ensure that the heat generated by the multiple battery modules Rapid and effective transmission to the outside of the battery box may cause unsatisfactory cooling effects on the battery module and low cooling efficiency. Therefore, we propose a battery module casing installation structure to solve the above problems.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides an installation structure of the battery module casing, which solves the problems of unsatisfactory heat dissipation effect and low heat dissipation efficiency of the battery module.

(2) Technical solution

In order to achieve the above purpose, the utility model provides the following technical solutions: a battery module shell installation structure, including the battery box shell, the shell cover and a plurality of battery modules, the top of the battery box shell is an open structure, the shell The cover plate is fixed and installed on the top of the battery box shell by fastening screws. Multiple battery modules are arranged in the battery box shell and arranged at equal intervals. The bottom inner wall of the battery box shell is fixedly installed with multiple positioning The tops of multiple positioning boxes are all open structures, the bottoms of multiple battery modules are respectively located in the corresponding positioning boxes, and a plurality of heat dissipation components one are arranged in the battery box shell, and multiple heat dissipation components one are respectively located in the corresponding battery cells. On the right side of the module, multiple battery modules are provided with locking and positioning components, and multiple heat dissipation components 2 are provided on the housing cover, and the multiple heat dissipation components 2 are located directly above the corresponding battery modules.

Preferably, the first heat dissipation assembly includes a heat conduction plate and a plurality of first heat conduction fins, the heat conduction plate is fixedly installed on the bottom inner wall of the battery box shell and is located on the right side of the battery module, and the plurality of first heat conduction fins are all fixed Installed on the left side of the heat conduction plate and arranged at equal intervals, the left sides of the multiple first heat conduction fins are all in contact with the right side wall of the battery module, and the front and rear sides of the heat conduction plate extend to the outer shell of the battery box .

Preferably, the locking and positioning assembly includes a connecting plate and a locking screw, the connecting plate is fixedly installed on the top right side of the battery module, the locking screw is screwed on the connecting plate, and the top of the heat conducting plate is provided with a threaded groove for locking The bottom end thread of the screw is installed in the thread groove.

Preferably, the heat dissipation assembly 2 includes a heat conduction seat and a plurality of second heat conduction fins, the heat conduction seat is fixedly installed on the casing cover and is located directly above the battery module, the bottom of the heat conduction seat penetrates the casing cover, and the plurality of second fins The heat conduction fins are all fixedly installed on the bottom of the heat conduction seat and arranged at equal intervals, and the bottoms of the plurality of second heat conduction fins are in contact with the top of the battery module.

Preferably, ventilation holes are opened on the left inner wall and the right inner wall of the outer casing of the battery box, and dust-proof nets are fixedly installed in the two ventilation holes.

Preferably, a plurality of support bars are fixedly installed on the inner wall of the bottom of the positioning box at equal intervals, and the tops of the plurality of support bars are all in contact with the bottom of the battery module.

(3) Beneficial effects

The utility model provides an installation structure of a battery module shell. Has the following beneficial effects:

(1) The installation structure of the battery module casing can respectively locate the installation positions of a plurality of battery modules by using a plurality of positioning boxes, so as to ensure that the installation of the plurality of battery modules will not be biased. The locking and positioning assembly composed of locking screws can lock and fix the assembly position of the battery module, thereby ensuring that the battery module will not be displaced and skewed when assembled in the battery box shell.

(2) The installation structure of the battery module casing can leave a certain gap between the battery module and the bottom inner wall of the positioning box by using a plurality of support bars to stably support the battery module, which can prevent the bottom of the battery module from The heat is not easy to dissipate and cause local high temperature phenomenon.

(3) The installation structure of the battery module casing can transfer the heat generated on the side of the battery module to the outside of the battery box casing by utilizing the heat dissipation assembly 1 composed of a heat conducting plate and a plurality of first heat conducting fins. The heat dissipation component 2, which is composed of a heat conduction seat and a plurality of second heat conduction fins, can transfer the heat generated on the top surface of the battery module to the outer shell of the battery box, and then under the cooperation of the heat dissipation component 1 and the heat dissipation component 2, It can effectively enhance the heat dissipation effect inside the outer shell of the battery box, prevent the battery module from being damaged due to high temperature, ensure the stable operation of the battery module, improve the service life of the battery module, and solve the problem that the heat dissipation effect of the battery module is not ideal and the heat dissipation efficiency is low. .

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model main view;

Fig. 3 is the enlarged schematic view of part A in Fig. 2;

Fig. 4 is the enlarged schematic diagram of part B in Fig. 2;

FIG. 5 is a schematic bottom view of the housing cover.

In the figure: 1. The outer shell of the battery box; 2. The cover plate of the outer shell; 3. The battery module; 4. The positioning box; 5. The heat conduction plate; 6. The first heat conduction fin; 9. Support bar; 10. Thread groove; 11. Heat conduction seat; 12. Second heat conduction fin; 13. Ventilation hole; 14. Dust-proof net.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the utility model. In addition, in the description of the utility model, "plurality" The meaning is two or more, unless otherwise clearly and specifically defined.

As shown in Figures 1-5, the utility model provides a technical solution: a battery module shell installation structure, including a battery box shell 1, a shell cover 2, multiple battery modules 3, multiple heat dissipation components 1, A plurality of locking and positioning components and a plurality of cooling components two, wherein:

The top of the battery box shell 1 is an open structure, and the shell cover 2 is fixedly installed on the top of the battery box shell 1 by fastening screws, and the shell cover 2 is used to cover and seal the top opening of the battery box shell 1 In use, it should be noted that the battery box shell 1 and the shell cover 2 are made of high-strength plastic material, and a plurality of battery modules 3 are arranged in the battery box shell 1 and arranged at equal intervals. A plurality of positioning boxes 4 are fixedly installed on the inner wall of the bottom of the outer shell 1 at equal intervals. The tops of the plurality of positioning boxes 4 are all open structures. The positioning box 4 is used to position the installation positions of multiple battery modules 3 respectively, so as to ensure that the multiple battery modules 3 will not be misinstalled. It should be noted that the positioning box 4 is made of high-strength plastic material. The cooling components are all arranged in the battery box outer shell 1, and the plurality of cooling components are respectively located on the right side of the corresponding battery module 3, and the plurality of locking and positioning components are all arranged on the corresponding battery module 3, and the plurality of cooling components Both are arranged on the casing cover plate 2 , and a plurality of cooling components 2 are respectively located directly above the corresponding battery modules 3 .

The above-mentioned heat dissipation assembly 1 is used to transfer the heat generated by the battery module 3 to the outside of the battery box casing 1 to achieve the effect of heat conduction and heat dissipation. The heat dissipation assembly 1 includes a heat conduction plate 5 and a plurality of first heat conduction fins 6, and the heat conduction plate 5 is fixedly installed on the bottom inner wall of the battery box outer shell 1 and is located on the right side of the battery module 3. A plurality of first heat conduction fins 6 are fixedly installed on the left side of the heat conduction plate 5 and arranged at equal intervals. The left side of a heat conduction fin 6 is in contact with the right side wall of the battery module 3, the front side and the rear side of the heat conduction plate 5 both extend to the outside of the battery box shell 1, and a plurality of first heat conduction fins 6 are arranged to communicate with the battery module. The sides of the modules 3 are in contact, and the heat generated by the sides of the battery module 3 can be transferred to the outside of the battery box shell 1 by utilizing the heat transfer characteristics of the heat conducting plate 5 and the plurality of first heat conducting fins 6. It should be noted that the heat conducting plate 5 and the plurality of first heat conducting fins 6 are made of aluminum alloy material or graphene material with good thermal conductivity.

The above-mentioned locking and positioning assembly is used to assemble and fix the battery module 3 in the battery box shell 1 to prevent the battery module 3 from shifting. The locking and positioning assembly includes a connecting plate 7 and a locking screw 8, and the connecting plate 7 is fixedly installed on the On the right side of the top of the battery module 3, the locking screw 8 is threadedly installed on the connecting plate 7, the top of the heat conduction plate 5 is provided with a threaded groove 10, and the bottom end of the locking screw 8 is threaded in the threaded groove 10, and the locking screw is used to 8 cooperates with the threaded connection of the threaded groove 10 to lock and fix the placement of the battery module 3 to ensure that the battery module 3 will not be displaced and skewed when assembled in the battery box shell 1, and the disassembly operation is simple and convenient.

The above-mentioned heat dissipation assembly 2 is used to transfer the heat generated by the battery module 3 to the outside of the battery box casing 1 to achieve the effect of heat conduction and heat dissipation. The heat dissipation assembly 2 includes a heat conduction seat 11 and a plurality of second heat conduction fins 12. 11 is fixedly installed on the shell cover 2 and is located directly above the battery module 3, the bottom of the heat conduction base 11 runs through the shell cover 2, and a plurality of second heat conduction fins 12 are fixedly installed on the bottom of the heat conduction base 11 at equal intervals arrangement, the bottoms of the plurality of second heat conduction fins 12 are all in contact with the top of the battery module 3, and a plurality of second heat conduction fins 12 are set in contact with the top surface of the battery module 3, and the heat conduction seat 11 and the plurality of second The heat transfer characteristics of the heat conduction fins 12 can transfer the heat generated on the top surface of the battery module 3 to the outside of the battery box casing 1. It should be noted that the heat conduction seat 11 and the plurality of second heat conduction fins 12 are all made of Made of aluminum alloy material or graphene material, the length dimension of the second heat conduction fin 12 is smaller than the length dimension of the battery module 3 , so as not to affect the wiring between multiple battery modules 3 .

In this embodiment, ventilation holes 13 are provided on the left side inner wall and the right side inner wall of the battery box outer shell 1, and dust-proof nets 14 are fixedly installed in the two ventilation holes 13, and the setting of the ventilation holes 13 contributes to The air circulation inside the battery box shell 1 also has the effect of heat dissipation. The dust in the external environment can be blocked and intercepted by using the dust-proof net 14, preventing dust from entering the battery box shell 1 through the ventilation hole 13.

In this embodiment, a plurality of support bars 9 are fixedly installed at equal intervals on the inner wall of the bottom of the positioning box 4, and the tops of the plurality of support bars 9 are all in contact with the bottom of the battery module 3, and a plurality of support bars 9 arranged at equal intervals are used. , can support the battery module 3 stably, and can leave a certain gap between the battery module 3 and the bottom inner wall of the positioning box 4, which can prevent the heat at the bottom of the battery module 3 from being easily dissipated and cause local high temperature phenomenon, which needs to be explained What is more, a plurality of support bars 9 are made of rubber material with moderate hardness.

Through the above structure, the installation structure of the battery module shell provided by the utility model can effectively enhance the heat dissipation effect inside the battery box shell 1 during the assembly and fixing of a plurality of battery modules 3 in the battery box shell 1, and avoid The battery module 3 is damaged due to high temperature to ensure the stable operation of the battery module 3 and improve the service life of the battery module 3. During specific operations, the battery box outer shell 1 is assembled and fixed in the battery compartment of the electric vehicle, and then multiple battery modules 3 The bottoms of the locating boxes 4 are respectively put into the corresponding positioning boxes 4. At this time, the battery module 3 can be stably supported by a plurality of support bars 9 in the locating box 4, and then the plurality of locking screws 8 are respectively tightened on the corresponding positioning boxes. In the threaded groove 10, the locking and fixing of multiple battery modules 3 is completed, and then the professional technicians connect the multiple battery modules 3 with wires, and then use fastening screws to assemble and fix the shell cover plate 2 on the battery. The top of the box shell 1, that is, the assembly and fixing of multiple battery modules 3 in the battery box shell 1 is completed, and multiple battery modules 3 can be used to supply power to the electric vehicle. During use, multiple battery modules 3 can be used to The combination of a plurality of first heat conduction fins 6 and the heat conduction plate 5 can transfer the heat generated on the side of the battery module 3 to the outside of the battery box casing 1, and the use of a plurality of second heat conduction fins 12 and the heat conduction seat 11 can be used together , the heat generated on the top surface of the battery module 3 can be transferred to the outside of the battery box outer shell 1, and then under the common heat transfer effect, the heat generated on the battery module 3 can be transferred to the outside of the battery box outer shell 1, which is helpful Rapid and effective heat dissipation of the battery module 3 .

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes or changes within the technical scope of the utility model. Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (6)

1. A mounting structure of a battery module case, characterized in that: the battery box comprises a battery box shell body (1), a shell cover plate (2) and a plurality of battery modules (3), wherein the top of the battery box shell body (1) is of an open structure, the shell cover plate (2) is fixedly installed at the top of the battery box shell body (1) through fastening screws, the battery modules (3) are all arranged in the battery box shell body (1) at equal intervals, a plurality of positioning boxes (4) are fixedly installed on the inner wall of the bottom of the battery box shell body (1) at equal intervals, the tops of the positioning boxes (4) are of the open structure, the bottoms of the battery modules (3) are respectively located in the corresponding positioning boxes (4), a plurality of first heat dissipation assemblies are arranged in the battery box shell body (1) and are located on the right sides of the corresponding battery modules (3) respectively, and are arranged on the battery modules (3) and are provided with locking positioning assemblies respectively, and a plurality of second heat dissipation assemblies are arranged on the shell cover plate (2) and are located right above the corresponding battery modules (3) respectively.

2. The mounting structure of a battery module case according to claim 1, wherein: one of the heat dissipation assemblies comprises a heat conduction plate (5) and a plurality of first heat conduction fins (6), the heat conduction plate (5) is fixedly installed on the inner wall of the bottom of the battery box outer shell (1) and on the right side of the battery module (3), the heat conduction plate (5) is fixedly installed on the left side of the heat conduction plate (5) and is arranged at equal intervals, the left side of the first heat conduction fins (6) is in contact with the right side of the battery module (3), and the front side and the rear side of the heat conduction plate (5) extend to the outside of the battery box outer shell (1).

3. The mounting structure of a battery module case according to claim 2, wherein: locking positioning component includes connecting plate (7) and locking screw (8), connecting plate (7) fixed mounting be in the top right side of battery module (3), locking screw (8) screw thread is installed on connecting plate (7), thread groove (10) have been seted up at the top of heat-conducting plate (5), the bottom screw thread of locking screw (8) is installed in thread groove (10).

4. The mounting structure of a battery module case according to claim 1, wherein: the heat dissipation assembly II comprises a heat conduction seat (11) and a plurality of second heat conduction fins (12), the heat conduction seat (11) is fixedly installed on the shell cover plate (2) and is located right above the battery module (3), the bottom of the heat conduction seat (11) penetrates through the shell cover plate (2), the second heat conduction fins (12) are fixedly installed at the bottom of the heat conduction seat (11) and are arranged at equal intervals, and the bottoms of the second heat conduction fins (12) are in contact with the top of the battery module (3).

5. The mounting structure of a battery module case according to claim 1, wherein: ventilation holes (13) are all opened on the left side inner wall and the right side inner wall of battery box shell body (1), two equal fixed mounting has dust screen (14) in ventilation hole (13).

6. The mounting structure of a battery module case according to claim 1, wherein: equidistant fixed mounting has a plurality of support bars (9), a plurality of on the bottom inner wall of location box (4) the top of support bar (9) all with the bottom of battery module (3) contacts.

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