CN213026371U

CN213026371U - Battery module and have its vehicle

Info

Publication number: CN213026371U
Application number: CN202022445471.7U
Authority: CN
Inventors: 单小林; 刘建华; 郑慧苗; 麻玉连
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-20
Anticipated expiration: 2030-10-28

Abstract

The application discloses battery module and vehicle that has it, battery module includes: the electric core group; the end plates are arranged at two ends of the electric core group and are suitable for fixing the electric core group; an output pole disposed on the end plate; a protective member disposed between the cell pack and the end plate to space the output pole from the cells, at least a portion of the protective member covering a top surface of a cell of the cell pack at an end thereof. From this, through setting up protection piece between electric core group and end plate to make the top surface top of the at least partial shroud of protection piece in the electric core that is located the tip, in order to avoid the part that is located the battery module tip to pierce through the top surface that is located the electric core of tip, avoid electric core short circuit to appear, improve the safety in utilization and the job stabilization nature of battery module.

Description

Battery module and have its vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a battery module and have its vehicle is related to.

Background

With the increasing scarcity of petroleum resources and the rising demand for environmental protection, new energy vehicles, especially electric vehicles, become a major direction for the development of the vehicle industry.

Among the correlation technique, the battery package comprises a plurality of battery modules, and the electric energy output of establishing ties or parallelly connected in order to realize great voltage between a plurality of battery modules has the electric core of a plurality of series connections in the battery module, is provided with the insulating part between the electric core in order to carry out insulation protection.

However, in the use of battery module, the inflation can appear in the electric core, and the output utmost point direct contact of electric core and battery module that is located the tip, and the insulating film of electric core is probably impaled to the output utmost point after the inflation, reduces battery module's safety in utilization.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a battery module, which has higher safety in use.

The utility model further provides a vehicle, the vehicle adopts above-mentioned battery module.

According to the utility model discloses battery module of vehicle of first aspect embodiment includes: the electric core group; the end plates are arranged at two ends of the electric core group and are suitable for fixing the electric core group; an output pole disposed on the end plate; a protective member disposed between the cell pack and the end plate to space the output pole from the cells, at least a portion of the protective member covering a top surface of a cell of the cell pack at an end thereof.

According to the battery module of this application embodiment, through set up protection piece between electric core group and end plate to make the top surface top of the at least partial shroud of protection piece in the electric core that is located the tip, in order to avoid the part that is located battery module tip to pierce through the top surface that is located the electric core of tip, avoid electric core short circuit to appear, improve battery module's safety in utilization and job stabilization nature.

According to some embodiments of the invention, the electric core group comprises: a plurality of superpose electric core in proper order, it is adjacent be provided with the insulating part between the electric core, electric core with set up between the end plate protection piece.

In some embodiments, the protector comprises: the battery cell comprises a body part and a partition plate arranged at one end of the body part, wherein the body part is arranged between an end plate and the battery cell group, and the partition plate is arranged on the top surface of a battery cell at the end part of the battery cell group.

Furthermore, one end of the partition board is connected with the body part, the other end of the partition board is bent towards the electric core group, and the other end of the partition board is provided with a positioning part which is suitable for fixing the partition board.

Further, the positioning portion is a positioning hole, and the positioning hole is matched with the pole of the battery cell.

Furthermore, the circumferential edge of the positioning hole is provided with a flanging.

In some embodiments, the number of the positioning portions is two, and the two positioning portions respectively correspond to a positive electrode pole and a negative electrode pole of the battery cell.

Furthermore, a weight reduction part is arranged between the two positioning holes.

According to some embodiments of the invention, the protection member is configured as an insulating material member.

According to the utility model discloses vehicle of second aspect embodiment includes: the battery module described in the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a battery module according to an embodiment of the present invention;

fig. 2 is another schematic view of a battery module according to an embodiment of the present invention;

fig. 3 is a schematic view of a protector for a battery module according to an embodiment of the present invention.

Reference numerals:

the battery module 100 is provided with a battery case,

the electric core group 10, the end plate 20, the output electrode 30,

the protection member 40, the body portion 41, the partition plate 42, the positioning portion 421 and the flange 422.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A battery module 100 and a vehicle having the same according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.

As shown in fig. 1 and 2, a battery module 100 of a vehicle according to an embodiment of the first aspect of the present invention includes: the electric core group 10; the end plates 20 are arranged at two ends of the electric core group 10, and are suitable for fixing the electric core group 10; an output pole 30, the output pole 30 being disposed on the end plate 20; and a protection member 40, wherein the protection member 40 is arranged between the cell pack 10 and the end plate 20 to separate the output electrode 30 from the cells, and at least part of the protection member 40 covers the top surfaces of the cells of the cell pack 10 at the end.

Specifically, both ends of the electric core pack 10 are provided with end plates 20, the output electrodes 30 are disposed on the end plates 20, and the protective member 40 serves to space the end plates 20 from the electric core pack 10, so as to improve the operational stability of the battery module 100.

Furthermore, make at least partial shroud of protection piece 40 on the top surface of electric core to be in under the abuse operating mode at battery module 100, perhaps under end plate 20 receives the extruded abominable operating mode, protect electric core through protection piece 40 of shroud on the top surface of electric core, avoid output pole 30 copper bar to receive extrusion deformation or motion to puncture electric core, in order to avoid battery module 100 to appear short circuit phenomenon, improve battery module 100's job stabilization nature.

According to battery module 100 of the embodiment of the present application, through set up protection piece 40 between electric core group 10 and end plate 20 to make at least part of protection piece 40 cover in the top surface top of the electric core that is located the tip, in order to avoid the part that is located the tip of battery module 100 to pierce through the top surface of the electric core that is located the tip, avoid the electric core short circuit to appear, improve the safety in utilization and the job stabilization nature of battery module 100.

It should be noted that, under abuse conditions, for example, the end plate 20 receives under the extruded bad conditions, the copper bar of the output electrode 30 may move towards the battery cell and generate a force piercing the top surface of the battery cell, and the protection member 40 may protect the battery cell from being pierced, thereby improving the working stability and the safety of the battery module 100.

Referring to fig. 1 and 2, according to some embodiments of the present invention, the electric core assembly 10 includes: a plurality of superpose battery cell in proper order is provided with the insulating part between the adjacent battery cell, sets up protection piece 40 between battery cell and the end plate 20.

That is to say, set up insulating part, protection piece 40 between electric core and the end plate 20 between the adjacent electric core, and protection piece 40 and insulating part are insulating material and make, and preferably protection piece 40 is unanimous with the insulating part material, can further improve the electric safety of battery module 100, avoids producing short circuit or electrostatic breakdown phenomenon between the electric core.

As shown in fig. 3, in some embodiments, the protector 40 includes: the body part 41 is arranged between the end plate 20 and the electric core group 10, and the partition plate 42 is arranged at one end of the body part 41, and the partition plate 42 is arranged on the top surface of the electric core group 10 at the end part.

Specifically, one end of the partition plate 42 is connected to the body portion 41, the other end of the partition plate 42 is bent toward the electric core pack 10, and the other end of the partition plate 42 is provided with a positioning portion 421, and the positioning portion 421 is adapted to fix the partition plate 42.

Wherein the protection member 40 is substantially "L" shaped, the body portion 41 is adapted to space the end plate 20 from the side surface of the battery cell pack 10, and the partition plate 42 is disposed on the top surface of the battery cell and is engaged with the battery cell through the positioning portion 421. Thus, the protection member 40 is more stably fixed to the electric core assembly 10, and the play of the protection member 40 is prevented, so that the protection effect of the protection member 40 is effectively improved, and the electrical safety of the battery module 100 is improved.

Preferably, the positioning portion 421 is configured as a positioning hole, and the positioning hole is matched with a pole of the battery cell. In some embodiments, the positioning hole is configured as a circular hole, and in other embodiments, the positioning hole is configured as a semicircular hole, and the positioning hole is sleeved on the outer periphery of the pole to position and fix the protection member 40.

As shown in fig. 3, the circumferential edge of the positioning hole is provided with a flange 422. Like this, not only can improve the location effect of locating hole to protection piece 40, can improve protection piece 40's structural strength moreover, avoid protection piece 40 to invade electric core after the pressurized.

It can be understood that there are two positioning portions 421, and the two positioning portions 421 correspond to the positive electrode pole and the negative electrode pole of the battery cell, respectively. Thus, the fixing stability of the protector 40 to the electric core pack 10 can be further improved.

Further, a weight-reduced portion is provided between the two positioning holes, and by providing the weight-reduced portion, the weight of the protection member 40 can be reduced to make the weight of the battery module 100 lower.

According to the utility model discloses vehicle of second aspect embodiment includes: the battery module 100 in the above embodiment.

According to the vehicle of the embodiment of the application, the battery module 100 has the same technical effect as the battery module 100, and the description thereof is omitted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery module (100) for a vehicle, comprising:

a battery cell group (10);

the end plates (20) are arranged at two ends of the electric core group (10) and are suitable for fixing the electric core group (10);

an output pole (30), the output pole (30) being disposed on the end plate (20);

a protective member (40), wherein the protective member (40) is arranged between the cell core group (10) and the end plate (20) to separate the output electrode (30) from the cells, and at least part of the protective member (40) covers the top surface of the cells of the cell core group (10) at the end.

2. The battery module (100) of the vehicle according to claim 1, wherein the electric core pack (10) includes: the battery comprises a plurality of battery cores which are sequentially stacked, an insulating piece is arranged between every two adjacent battery cores, and a protection piece (40) is arranged between each battery core and the end plate (20).

3. The battery module (100) of the vehicle according to claim 2, wherein the protector (40) includes: the battery pack comprises a body part (41) and a partition plate (42) arranged at one end of the body part (41), wherein the body part (41) is arranged between the end plate (20) and the battery pack (10), and the partition plate (42) is arranged on the top surface of a battery cell of the battery pack (10) at the end part.

4. The vehicular battery module (100) according to claim 3, wherein one end of the separator (42) is connected to the body part (41), the other end of the separator (42) is bent toward the battery pack (10), and a positioning part (421) is provided on the other end of the separator (42), the positioning part (421) being adapted to fix the separator (42).

5. The vehicle battery module (100) according to claim 4, wherein the positioning portion (421) is configured as a positioning hole that is fitted with a pole of the battery cell.

6. The vehicular battery module (100) according to claim 5, wherein a circumferential edge of the positioning hole is provided with a burring (422).

7. The vehicle battery module (100) according to claim 5, wherein the number of the positioning portions (421) is two, and the two positioning portions (421) correspond to a positive electrode pole and a negative electrode pole of the battery core, respectively.

8. The vehicular battery module (100) according to claim 7, wherein a weight-reduced portion is provided between the two positioning holes.

9. The battery module (100) for a vehicle according to any one of claims 1 to 8, wherein the protective member (40) is configured as an insulating material member.

10. A vehicle, characterized by comprising: the battery module (100) according to any one of claims 1 to 9.