CN210245559U

CN210245559U - Battery module, battery package and vehicle

Info

Publication number: CN210245559U
Application number: CN201921111829.3U
Authority: CN
Inventors: Jiyang Zhao; 赵继阳; Jianhao He; 何剑浩; Wei Li; 李伟; Li Zhan; 占莉
Original assignee: Weirui Electric Automobile Technology Ningbo Co Ltd
Current assignee: Weirui Electric Automobile Technology Ningbo Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-03
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a battery module, a battery pack and a vehicle, wherein the battery module comprises a support frame, a module upper cover, a module bottom plate and an electric core; the support frame sets up the top of electricity core, the support frame includes a plurality of bosss, the module upper cover sets up the upper portion of support frame, the module upper cover includes a plurality of trompils, the trompil with the boss is corresponding, makes the boss passes the trompil, the module bottom plate sets up the bottom of electricity core, the module bottom plate includes a plurality of spacing holes, the position of spacing hole with the position of trompil corresponds, the utility model provides high module upper cover's compressive capacity is spacing simultaneously to piling up the module, prevents that the upper and lower module from sliding each other, and the structure is firm, and then has promoted the bearing capacity after the module piles up, has improved the module and has piled up the safety problem of bringing.

Description

Battery module, battery package and vehicle

Technical Field

The utility model relates to a new energy automobile field, in particular to battery module, battery package and vehicle.

Background

The battery is used as an energy storage unit and plays an important role in various industries, for example, the power battery is widely used in the fields of new energy vehicles and the like, wherein a battery pack of the power battery can be internally provided with a battery module formed by a plurality of single batteries which are connected in series or in parallel so as to realize charging and discharging operations. Along with the occurrence of safety accidents of power batteries, the safety of battery modules is widely concerned and becomes an important direction for research and development, the power batteries are core parts of electric automobiles and provide power required by the whole automobiles, the power batteries generally consist of a plurality of battery modules, the power batteries are divided into square, cylindrical and soft-bag shapes according to different production processes, and the square battery modules have the advantage of space saving; the power battery can overload and generate heat when being overloaded in the use process, the insulation level can be reduced to generate potential safety hazards due to long-term overload, and even a circuit is burnt, so that the power battery needs to be subjected to overload protection.

The surface of the module at the present stage is plane plastic, so that the surface cannot bear pressure, the lower module is possibly damaged by the pressure when the module is stacked, meanwhile, no limiting device is arranged between the modules, the anti-sliding capacity is avoided, once the mechanical structure of the module is damaged and the structural arrangement is separated from the setting, short circuit can occur, and the risk of fire and explosion exists.

Therefore, a new structure of the battery pack is urgently needed to solve the existing problems.

Disclosure of Invention

To the above-mentioned problem of prior art, the utility model aims to provide a battery module, battery package and vehicle.

In order to solve the technical problem, the utility model discloses a concrete technical scheme as follows:

on one hand, the utility model provides a battery module, which comprises a support frame, a module upper cover, a module bottom plate and an electric core; the support frame sets up the top of electricity core, the support frame includes a plurality of bosss, the module upper cover sets up the upper portion of support frame, the module upper cover includes a plurality of trompils, the trompil with the boss is corresponding, makes the boss passes the trompil, and can also expose the local part of boss, the module bottom plate sets up the bottom of electricity core, the module bottom plate includes a plurality of spacing holes, the position of spacing hole with the position of trompil corresponds.

Optionally, the battery module comprises a support frame, the module upper cover and the module bottom plate are similar in size, and material waste does not occur during assembly.

Optionally, the bosses are uniformly arranged on the support frame.

Further, the support frame sets up the shoulder of electricity core, can with the support frame is stabilized on the electricity core, also can not influence simultaneously the function of electricity core, utilize moreover the rigidity of electricity core supports the support frame, it is that the module upper cover on support frame upper portion has compressive capacity.

Optionally, the supporting frame is plate-shaped, wherein a bottom plate of the supporting frame protrudes upwards to form the boss.

Optionally, the boss is circular in cross-section.

Further, the opening of the limiting pit is far away from the battery cell, namely, the limiting pit protrudes upwards at the bottom of the battery cell.

Specifically, the part of the boss penetrating through the opening hole is matched with the limiting pit.

Optionally, the material of the support frame is hard plastic, so that the rigidity of the battery module is improved.

Optionally, the module upper cover and the module bottom plate are both made of insulating materials.

On the other hand, the utility model provides a battery package, wherein the battery package includes a plurality of the aforesaid the battery module, it is a plurality of the battery module piles up each other and forms the battery package.

Optionally, the number of the battery modules is two, wherein the boss of the support frame in the upper layer battery module is matched with the limit pit of the module bottom plate in the lower layer battery module, so that the battery modules in the battery pack are prevented from transversely shifting.

Specifically, the boss of the support frame in the upper layer battery module is matched with the limit pit of the module bottom plate in the lower layer battery module in an embedded manner, so that the upper layer battery module and the lower layer battery module are relatively fixed together.

A third aspect, the utility model provides a vehicle, the vehicle is pure electric vehicles or hybrid electric vehicle, the vehicle sets up the aforesaid a battery package.

Adopt above-mentioned technical scheme, a battery module, battery package and vehicle have following beneficial effect:

1. a battery module, battery package and vehicle, through setting up the module upper cover for the battery package also does not have compressive capacity last, structural strength is higher, the security is stronger when the emergence accident extrudees.

2. The utility model discloses a battery module, battery package and vehicle, when the battery module piles up, through spacing to piling up the battery module, prevent that upper and lower module from sliding each other, the structure is firm;

3. a battery module, battery package and vehicle, promoted the bearing capacity after the battery module piles up, improved the battery module and piled up the safety problem of bringing, improved the availability factor.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural view of a battery module according to the present invention;

fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the present disclosure.

In the figure: 1-support frame, 2-module upper cover, 3-module bottom plate, 4-battery core, 11-boss, 21-hole and 31-limit pit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

Example 1

Because the module surface is the plane plastic at present stage, can't bear pressure, consequently probably receive pressure and lead to lower floor's module impaired when piling up, do not have stop device simultaneously between the module, do not have anti slippage ability, once module mechanical structure is impaired, the structural arrangement breaks away from the settlement, then probably takes place the short circuit, has the risk of catching fire, explosion. In view of the above, one embodiment of the present specification provides a battery module that has a stable structure and a strong pressure resistance, and thus has a strong load-bearing capacity after being stacked, thereby improving the safety of the stacked battery modules.

Specifically, as shown in fig. 1, for a structural schematic diagram of a battery module provided in an embodiment of the present disclosure, the battery module includes a plurality of stacked battery cells 4, the battery cells 4 are sequentially connected to supply power to a power consumption device, a support frame 1 is disposed on an upper portion of the battery cells 4, the support frame 1 may be a flat plate and disposed on a shoulder of the battery cells 4, the support frame 1 may be stabilized on the battery cells 4 without affecting functions of the battery cells 4, and the support frame 1 is supported by rigidity of the battery cells 4, and a module upper cover 2 on the upper portion of the support frame 1 has a pressure resistance.

The upper part of the support frame 1 is provided with a module upper cover 2, so that the insulation effect of the battery module and other battery modules or components is ensured.

On the other hand, still be in the bottom of electricity core 4 sets up module bottom plate 3, can be used for supporting electricity core 4 also can play insulating effect simultaneously.

Therefore, the module upper cover 2 and the module bottom plate 3 can be made of insulating materials, optionally, hard plastics and the like, and can ensure the rigidity and meet the corresponding insulating requirements.

Meanwhile, a plurality of bosses 11 are arranged on the upper surface of the support frame 1, and the bosses 11 are optionally formed by upward protruding the upper surface of the support frame 1 and are uniformly distributed on the upper surface of the support frame 1.

Optionally, the boss 11 is circular in cross-section.

In order to fit the boss 11, the module upper cover 2 is provided with an opening 21 matched with the boss 11, and the size of the opening 21 is slightly larger than that of the boss 11 on the upper surface of the support frame 1, so that the boss 11 can completely pass through the opening 21, and the height of the boss 11 is required to be higher than that of the upper surface of the module upper cover 2.

A limiting pit 31 is arranged on the module bottom plate 3, the position relationship of the limiting pit 31 corresponds to the position relationship of the opening 21, meanwhile, the limiting pit 31 is formed by the module bottom plate 3 sinking towards the battery core 4, and the part of the boss 11 penetrating through the opening 21 is matched with the limiting pit 31.

In order to improve the stability of the battery module, the supporting frame 1 may be made of some rigid insulating materials, and optionally, the supporting frame 1 is made of hard plastics.

Another embodiment of the present specification also provides a battery pack, specifically, as shown in fig. 2, wherein the battery pack includes a plurality of the above-described battery modules, which are stacked on each other to form the battery pack.

The third embodiment of the present specification further provides a vehicle, where the vehicle is a pure electric vehicle or a hybrid electric vehicle, and the vehicle is provided with the above battery pack.

Through the battery module, the battery pack and the vehicle that above-mentioned embodiment provided, can obtain following beneficial effect:

1) a battery module, battery package and vehicle, through setting up the module upper cover for the battery package also does not have compressive capacity last, structural strength is higher, the security is stronger when the emergence accident extrudees.

2) The utility model discloses a battery module, battery package and vehicle, when the battery module piles up, through spacing to piling up the battery module, prevent that upper and lower module from sliding each other, the structure is firm;

3) a battery module, battery package and vehicle, promoted the bearing capacity after the battery module piles up, improved the battery module and piled up the safety problem of bringing, improved the availability factor.

Example 2, an alternative to example 1

The boss 11 that above-mentioned embodiment provided is the part that 1 upper surface of support frame upwards extrudeed and form, as optionally, and can in this embodiment 1 upper surface of support frame sets up a plurality of location buckles, and is corresponding, the location buckle can pass the opening of module upper cover, simultaneously also need set up on the module bottom plate with the draw-in groove that the buckle cooperateed and used, when carrying out the battery package equipment, two battery module need pile up, and the draw-in groove looks block of module bottom plate in the location buckle of module upper cover and the upper battery module in the battery module of lower floor for the stability of the battery module of upper and lower both sides is stronger, is difficult for taking place horizontal dislocation movement.

Meanwhile, the vehicle is a pure electric vehicle or a hybrid electric vehicle, and the vehicle is provided with the battery pack.

The beneficial effects of the battery module, the battery pack and the vehicle provided by the embodiment are basically the same as those of the above embodiments, and are not repeated here.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention, as will be apparent to those skilled in the art, the invention is not limited to the details of the foregoing exemplary embodiment, but rather is embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A battery module is characterized by comprising a support frame (1), a module upper cover (2), a module bottom plate (3) and a battery core (4); the utility model discloses a battery pack, including support frame (1), module upper cover (2), module bottom plate (3), support frame (1) sets up the top of electricity core (4), support frame (1) includes a plurality of bosss (11), module upper cover (2) set up the upper portion of support frame (1), module upper cover (2) include a plurality of trompils (21), trompil (21) with boss (11) are corresponding, make boss (11) pass trompil (21), module bottom plate (3) set up the bottom of electricity core (4), module bottom plate (3) include a plurality of spacing holes (31), the position of spacing hole (31) with the position of trompil (21) corresponds.

2. The battery module according to claim 1, characterized in that the support frame (1) is arranged at a shoulder of the battery core (4).

3. A battery module according to claim 1, wherein the boss (11) is circular in cross section.

4. The battery module according to claim 1, wherein the opening direction of the limiting pit (31) is far away from the battery core (4).

5. A battery module according to claim 1, wherein the portion of the boss (11) passing through the opening (21) is matched with the stopper pit (31).

6. The battery module according to claim 1, wherein the material of the support frame (1) is hard plastic.

7. The battery module according to claim 1, wherein the module upper cover (2) and the module bottom plate (3) are both made of an insulating material.

8. A battery pack comprising a plurality of battery modules according to any one of claims 1 to 7, the plurality of battery modules being stacked one on another.

9. The battery pack according to claim 8, wherein the number of the battery modules is two, and the bosses of the support frame in the upper battery module are engaged with the limiting pits of the module base plate in the lower battery module.

10. A vehicle, which is a pure electric vehicle or a hybrid electric vehicle, characterized in that the vehicle is provided with a battery pack according to claim 8 or 9.