Automobile battery module

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile battery module which comprises a battery main shell, a plurality of battery units are fixedly mounted in the battery main shell, and elastic protective layers are arranged on the outer walls of the two sides of the battery main shell. The elastic protective layer is connected with the outer wall of the battery main shell through a multi-dimensional micro-pore plate, regularly arranged micro-pore structures are arranged in the multi-dimensional micro-pore plate, supporting plates are symmetrically arranged on the inner walls of the two sides of the two ends of the battery main shell, and sealing side plates are mounted on the outer sides of the same group of the supporting plates; an outer sealing piece and an inner sealing piece are arranged on the inner sides of the two ends of each sealing side plate correspondingly. According to the automobile battery module, the temperature adaptability and the mechanical buffering performance are enhanced, deformation and sealing failure caused by thermal expansion and cold contraction are effectively prevented, and meanwhile, the safety protection under the collision condition is improved, so that the service life of the battery module is prolonged, and the overall reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and specifically to an automobile battery module. BACKGROUND

[0002] With the increasing awareness of environmental protection and the demand for energy structure transformation, electric vehicles, as an important part of green transportation, have developed rapidly. In electric vehicles, the battery module plays a crucial role. It is not only the core component of energy storage for vehicles, but also directly related to the safety, reliability and performance of the whole vehicle. Traditional battery module design usually focuses on the selection of battery cells and the optimization of internal circuits, while the design of the external shell has gradually become one of the key factors affecting the overall performance of the module.

[0003] The existing external shell of the automobile battery module is mostly made of one-piece metal or composite material. Although this design can meet the requirements of mechanical protection and lightweight to some extent, it has some shortcomings in actual application. For example, when working in a high-temperature or low-temperature environment for a long time, the shell will deform due to thermal expansion and contraction, affecting the tightness between the internal components of the module, and even causing sealing failure, increasing the risk of water vapor intrusion, which poses a potential threat to the safety and service life of the battery module. Moreover, the traditional shell lacks effective buffering mechanism and cannot absorb impact energy well in the event of a collision, which may cause damage to the internal battery cells and lead to safety hazards. SUMMARY

[0004] The purpose of the utility model is to provide an automobile battery module to solve the problem of shell deformation, sealing failure and lack of effective buffering mechanism in the current automobile battery module working in extreme temperature environment.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an automobile battery module, comprising a battery main shell, a plurality of battery units are installed and fixed inside the battery main shell, an elastic protective layer is provided on both sides of the outer wall of the battery main shell, the elastic protective layer and the outer wall of the battery main shell are connected through a multi-dimensional microporous plate, the inside of the multi-dimensional microporous plate is provided with a regular arrangement of microporous structure, and a supporting plate is symmetrically provided on the inner wall of both ends of the battery main shell, the outer side of the supporting plate in the same group is provided with a sealing side plate, the inner side of both ends of the sealing side plate is respectively provided with an outer sealing element and an inner sealing element, and the two together constitute a double sealing structure.

[0006] Preferably, the inner side of the sealing side plate is symmetrically provided with a buffer pad, and the buffer pad is in a circular structure.

[0007] Preferably, the support plate is in an integral structure with the battery main shell, and the outer wall of the support plate is respectively provided with a sealing notch matched with the structure of the outer sealing element and the inner sealing element.

[0008] Preferably, the two sides of the outer wall of the sealing side plate are symmetrically provided with a spiral ring, the inside of the spiral ring is penetrated by a positioning bolt through a threaded structure, and the two sides of the inner wall of the battery main shell at both ends are respectively provided with a positioning screw hole matched with the structure of the positioning bolt.

[0009] Preferably, the two side edges and the middle part of the multi-dimensional microporous plate are respectively provided with a reinforcing rib, and the cross section of the reinforcing rib is in a trapezoidal structure.

[0010] Preferably, the elastic protective layer is made of silicone rubber, and the thickness of the elastic protective layer ranges from 2 to 5 mm.

[0011] Compared with the prior art, the automobile battery module has the advantages that the temperature adaptability and mechanical buffering performance are enhanced, deformation and sealing failure caused by thermal expansion and cold contraction are effectively prevented, safety protection in the case of collision is improved, the service life of the battery module is prolonged, and the overall reliability is improved. The automobile battery module is designed through the elastic protective layer and the multi-dimensional microporous plate, heat dissipation is promoted, vibration and impact force transmitted to the internal components are reduced, the battery unit is protected from damage, the stable installation and sealing performance of the battery unit are ensured through the cooperation of the support plate and the sealing side plate, and water intrusion is avoided. These improvements jointly improve the safety and environmental adaptability of the battery module. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the automobile battery module of the utility model;

[0013] Figure 2 It is a structural schematic view of the battery main shell of the automobile battery module of the utility model;

[0014] Figure 3 It is a structural schematic view of the multi-dimensional microporous plate of the automobile battery module of the utility model;

[0015] Figure 4 It is a structural schematic view of the inside of the sealing side plate of the automobile battery module of the utility model.

[0016] In the drawing: 1, battery main shell; 2, battery unit; 3, elastic protective layer; 4, multi-dimensional microporous plate; 5, sealing side plate; 6, support plate; 7, buffer pad; 8, spiral ring; 9, positioning bolt; 10, outer sealing element; 11, inner sealing element; 12, reinforcing rib. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of automobile battery module, several battery units 2 are fixedly installed in the inside of battery main casing 1, the both sides outer wall of battery main casing 1 is equipped with elastic protective layer 3, and elastic protective layer 3 is connected with the outer wall of battery main casing 1 between through multidimensional microporous plate 4, the inside of multidimensional microporous plate 4 is equipped with regularly arranged microporous structure, and the both sides inner walls of the both ends of battery main casing 1 are symmetrically equipped with support plate 6, and the outside of support plate 6 same group is equipped with sealing side plate 5, and the both ends inside of sealing side plate 5 is equipped with outer seal 10 and inner seal 11 respectively, and they jointly constitute double sealing structure, this structure when battery module is in high temperature or low temperature environment, regularly arranged micropore in the inside of multidimensional microporous plate 4 can effectively respond to thermal expansion and cold shrink effect, prevent the shell deformation caused by temperature change, and support plate 6 is firmly fixed on the both sides inner walls of the both ends of battery main casing 1, ensure the stable support of battery unit 2, while sealing side plate 5 is installed in the outside of support plate 6 same group, and is tightly matched with outer seal 10 and inner seal 11, forms double sealing structure, this not only strengthens sealing property, effectively prevents the invasion of water vapor and other pollutants, solves the problem that traditional shell can cause sealing failure due to temperature change, in addition, when encountering collision, elastic protective layer 3 can absorb and disperse external impact energy, reduce the vibration and impact force transmitted to battery unit 2, protect internal components from damage, as a whole, through the linkage cooperation between these parts, the structure significantly improves the safety and reliability of battery module under extreme conditions, prolongs service life, and overcomes the problems of shell deformation, sealing failure and lack of effective buffer mechanism in prior art, the inside of sealing side plate 5 is symmetrically equipped with buffer pad 7, buffer pad 7 is located at the gap outside the most outside battery unit 2, and buffer pad 7 is circular structure, this structure when the sealing side plate 5 of battery module side part encounters external impact or vibration, buffer pad 7 can respond immediately, effectively disperses and absorbs impact force from all directions, protects the most outside battery unit 2 from direct impact, so as to improve the overall reliability and service life of battery module, support plate 6 and battery main casing 1 are integrated structure, and the outer wall of support plate 6 is respectively equipped with sealing groove which is matched with the structure of outer seal 10 and inner seal 11, this structure ensures that outer seal 10 and inner seal 11 can be tightly embedded and firmly fixed, forms double sealing barrier, so when battery module is under various environmental conditions, especially in the face of temperature change or external pressure, this integrated design and sealing cooperation can effectively prevent the invasion of external pollutants such as moisture, dust, while maintaining the stability and air tightness of internal components, the both sides symmetrically equipped with screw ring 8 on the outer wall of sealing side plate 5, and positioning bolt 9 is inserted in the inside of screw ring 8 through thread structure, and the both sides inner walls of the both ends of battery main casing 1 are equipped with positioning screw hole which is matched with the structure of positioning bolt 9, this structure when installing or disassembling sealing side plate 5, operating personnel can rotate positioning bolt 9,The screw ring 8 is precisely screwed into the positioning screw hole on the inner wall of the battery main shell 1 through the threaded structure of the screw ring 8, so that the sealing side plate 5 is quickly and stably fixed, which ensures the close connection between the sealing side plate 5 and the battery main shell 1, enhances the mechanical strength and stability of the whole module, simplifies the installation process, improves the assembly efficiency, and also ensures the stability and sealing of the sealing side plate 5 in long-term use, prevents loosening or displacement caused by vibration or external impact, and the two side edges and the middle part of the multi-dimensional microporous plate 4 are provided with reinforcing ribs 12, and the cross section of the reinforcing rib 12 is a trapezoidal structure, which can effectively disperse and absorb stress when the battery module is subjected to external pressure or impact, preventing the multi-dimensional microporous plate 4 from deforming or being damaged, and the elastic protective layer 3 is made of high-performance silicone rubber material, and the thickness of the elastic protective layer 3 is 2-5mm, which can effectively absorb and disperse impact energy by virtue of its excellent elasticity and buffering performance, reducing the vibration and impact force transmitted to the internal components, protecting the battery unit 2 from damage, and the silicone rubber material has good weather resistance and anti-aging performance, and maintains stable physical properties in a wide temperature range, ensuring that the elastic protective layer 3 can provide reliable protection in high-temperature and low-temperature environments.

[0019] Working principle: when the automobile battery module is used, first, the two symmetrically arranged screw rings 8 on the outer wall of the sealing side plate 5 are aligned with the positioning screw holes on the inner walls of the two ends of the battery main shell 1, and the positioning screw 9 is rotated to be precisely screwed into the positioning screw hole through the threaded structure of the screw ring 8, so that the sealing side plate 5 is quickly and stably fixed with the battery main shell 1, and at the same time, the outer seal 10 and the inner seal 11 can be tightly embedded in the sealing groove on the outer wall of the supporting plate 6, and the buffer block 7 is located at the gap outside the outermost battery unit 2, which is tightly fitted to prepare for absorbing external impact force, when the battery module is in working condition and faces external environmental changes, the regularly arranged microporous structure in the multi-dimensional microporous plate 4 can effectively cope with the thermal expansion and cold shrinkage effect, maintain the connection stability between the two outer walls of the battery main shell 1 and the elastic protective layer 3, and when external impact or vibration is encountered, the elastic protective layer 3 quickly responds by virtue of its high-performance silicone rubber material to absorb and disperse impact energy, reduce the vibration and impact force transmitted to the internal components, and ensure that the battery module can stably operate under various conditions, thereby completing a series of work.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automobile battery module, comprising a battery main housing (1), the inside of the battery main housing (1) is fixedly installed with a plurality of battery units (2), characterized in that: Both sides of the battery main shell (1) are provided with elastic protective layer (3), the elastic protective layer (3) and battery main shell (1) outer wall between through multi-dimensional microporous plate (4) is connected, the inside of multi-dimensional microporous plate (4) is equipped with the micro-hole structure of regular arrangement, and the both ends of battery main shell (1) two sides of the inner wall are symmetrically provided with support plate (6), the outside of the support plate (6) of same group is equipped with sealing side plate (5), the both ends of sealing side plate (5) are respectively equipped with outer sealing element (10) and inner sealing element (11) on the inside, and both constitute double sealing structure.

2. The automotive battery module of claim 1, wherein: The inside of the sealing side plate (5) is symmetrically provided with a buffer pad (7), and the buffer pad (7) is a circular structure.

3. The automotive battery module of claim 1, wherein: The support plate (6) and the battery main shell (1) are an integral structure, and the outer wall of the support plate (6) is respectively provided with a sealing notch matched with the structure of the outer sealing element (10) and the inner sealing element (11).

4. The automotive battery module of claim 1, wherein: The outer wall of the sealing side plate (5) is symmetrically provided with a screw ring (8), and the inside of the screw ring (8) is inserted with a positioning bolt (9) through a threaded structure, and the both ends of the battery main shell (1) are respectively provided with a positioning screw hole matched with the structure of the positioning bolt (9).

5. The automotive battery module of claim 1, wherein: Both sides of the multi-dimensional microporous plate (4) and the middle part are provided with a reinforcing rib (12), and the cross section of the reinforcing rib (12) is a trapezoidal structure.

6. The automotive battery module of claim 1, wherein: The elastic protective layer (3) is made of silicone rubber, and the thickness of the elastic protective layer (3) is 2-5mm.

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