CN211980673U

CN211980673U - Battery module and vehicle with same

Info

Publication number: CN211980673U
Application number: CN202020429147.3U
Authority: CN
Inventors: 马腾; 魏艳彬; 范凯
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-20
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a battery module and vehicle that has it. This battery module includes: a fence, the fence comprising: the heat dissipation structure comprises a bottom plate and side plates positioned on two sides of the bottom plate, wherein a heat dissipation channel communicated with the outside is formed in the wall of the enclosing plate, and the bottom plate and the side plates on the two sides enclose an accommodating groove; the battery cell is located in the accommodating groove. According to the utility model discloses a battery module, electricity core are with heat transfer to bounding wall that the during operation produced, and the bounding wall dispels the heat through the heat dissipation channel with external intercommunication to in the realization keeps electric core to be in suitable temperature environment, thereby be favorable to promoting the security performance and the life of electric core, simultaneously, heat dissipation channel simple structure, occupation space are little, the radiating efficiency is high, in order to realize guaranteeing battery module cooling performance, reduce the volume of battery module.

Description

Battery module and vehicle with same

Technical Field

The utility model relates to an automotive filed particularly, relates to a battery module and vehicle that has it.

Background

Along with electric automobile's continuous development, higher requirement has been proposed to the security of battery module, and the main measure of guaranteeing the security of battery module is exactly to make electric core be in the suitable temperature environment, consequently has proposed higher requirement to battery module cooling performance, and forced air cooling battery module adopts the module that the form was piled up to the frame more at present, is mostly the wind channel of closed in the wind channel structural design, and this kind of structure leads to the volume of battery module great.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a battery module can reduce battery module's volume when guaranteeing battery module cooling performance.

The utility model also provides a vehicle of having above-mentioned battery module.

According to the utility model discloses battery module includes: a fence, the fence comprising: the heat dissipation structure comprises a bottom plate and side plates positioned on two sides of the bottom plate, wherein a heat dissipation channel communicated with the outside is formed in the wall of the enclosing plate, and the bottom plate and the side plates on the two sides enclose an accommodating groove; the battery cell is located in the accommodating groove.

According to the utility model discloses battery module, electricity core are with heat transfer to bounding wall that the during operation produced, and the bounding wall dispels the heat through the heat dissipation channel with external intercommunication to in the realization keeps electric core to be in suitable temperature environment, thereby be favorable to promoting the security performance and the life of electric core, simultaneously, heat dissipation channel simple structure, occupation space are little, the radiating efficiency is high, in order to realize when guaranteeing battery module cooling performance, reduce battery module's volume.

According to some embodiments of the invention, the heat dissipation channel is formed in the bottom plate and/or in the side plate, which side plate is provided with outwardly extending heat dissipation fins.

According to some embodiments of the invention, the side plate of each side comprises: the vertical plate section is fixed with the bottom plate, the overhanging plate section is located at the top of the vertical plate section, and the overhanging plate section is bent towards the direction far away from the accommodating groove.

Further, the included angle between the overhanging plate section and the vertical plate section is 120-170 degrees.

Further, a fillet transition section is arranged between the overhanging plate section and the vertical plate section on the surface facing the accommodating groove.

According to the utility model discloses a some embodiments, the both ends of bounding wall are provided with the end plate, so will the both ends of holding tank are sealed, be provided with end plate installation position on the end plate.

Furthermore, the battery cell is a plurality of, be provided with the insulating board pad between battery cell and the end plate and adjacent two between the battery cell.

According to the utility model discloses a some embodiments, two distance between the curb plate is greater than the width of electricity core, with electricity core with form the encapsulating district between the curb plate.

Furthermore, the battery cores are multiple, a heat conduction plate is arranged between every two adjacent battery cores, or heat conduction plates are arranged between every two adjacent battery cores in a specific number, and the heat conduction plates extend to the glue pouring area.

According to another aspect of the present invention, a vehicle includes the above battery module.

The vehicle and the battery module have the same advantages compared with the prior art, and are not described in detail herein.

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

Fig. 1 is a perspective view of a battery module;

FIG. 2 is a perspective view of the fence;

FIG. 3 is a front view of the fence;

FIG. 4 is a perspective view of the end plate;

fig. 5 is a plan view of the battery module;

FIG. 6 is a cross-sectional view at A-A of FIG. 5;

fig. 7 is an exploded view of the battery module.

Reference numerals:

the battery comprises a surrounding plate 1, a bottom plate 11, a heat dissipation channel 111, an end plate fixing point 112, a side plate 21, a heat dissipation fin 211, a vertical plate section 212, an outward extending plate section 213, a containing groove 31, a glue filling area 311, a battery core 2, an end plate 3, an end plate mounting point 30, an insulating plate pad 4, a heat conduction plate 5 and a battery module 10.

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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "width", "top", "bottom", "inner", "outer", and the like refer to an orientation or positional relationship based on that shown in the drawings, and are used merely for convenience of description and simplification of the 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 thus, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The battery module 10 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 7.

Referring to fig. 1 to 3, the battery module 10 includes: coaming 1 and electric core 2.

The shroud 1 includes: bottom plate 11 and the curb plate 21 that is located bottom plate 11 both sides, heat dissipation channel 111 with external intercommunication has in bounding wall 1's the inboard wall, heat dissipation channel 111 is through heat dissipation channel 111, a structure is simple, and a small space is occupied, external cold wind can flow into heat dissipation channel 111 from heat dissipation channel 111's one end, flow out at heat dissipation channel 111's the other end after carrying out the heat exchange with bounding wall 1, optionally, bounding wall 1 adopts section bar extrusion integrated into one piece, bottom plate 11 encloses into holding tank 31 with the curb plate 21 of both sides, holding tank 31 is the U-shaped structure, electric core 2 is located holding tank 31, bottom plate 11 has the effect of supporting electric core 2, electric core 2 can be with the heat transfer to bounding wall 1 that the during operation produced.

According to the utility model discloses a battery module 10, electricity core 2 is with heat transfer to bounding wall 1 that the during operation produced, bounding wall 1 dispels the heat through the heat dissipation passageway 111 with external intercommunication to the realization keeps electricity core 2 to be in the suitable temperature environment, thereby is favorable to promoting the security performance and the life of electricity core 2, and simultaneously, heat dissipation passageway 111 simple structure, occupation space is little, the radiating efficiency is high, in order to realize guaranteeing battery module 10 cooling performance, reduce battery module 10's volume.

In some embodiments of the present invention, the heat dissipation channel 111 is formed in the bottom plate 11 and/or the side plate 21 to dissipate heat from the bottom plate 11 and/or the side plate 21, and the side plate 21 is provided with the outwardly extending heat dissipation fins 211 to increase the heat exchange area of the side plate 21, thereby improving the heat dissipation efficiency of the side plate 21.

Referring to the embodiment shown in fig. 3, the heat dissipation channel 111 is formed in the bottom plate 11, the side plate 21 is provided with a heat dissipation fin 211 extending outward, and heat generated by the battery cell 2 is transferred to the surrounding plate 1 and then is subjected to heat exchange with external cold air through the heat dissipation channel 111 and the heat dissipation fin 211 to reduce the temperature.

Referring to fig. 3, the side plate 21 of each side includes: vertical board section 212 and overhanging board section 213, vertical board section 212 is fixed with bottom plate 11, and overhanging board section 213 is located the top of vertical board section 212, and overhanging board section 213 is buckled towards the direction of keeping away from holding tank 31, and overhanging board section 213 has the guide effect to be favorable to piling up electric core 2 and put into holding tank 31 in, the injection of the heat conduction structure of being convenient for simultaneously is glued.

Referring to fig. 3, an included angle between the overhanging plate segment 213 and the vertical plate segment 212 is 120 ° to 170 ° to form a certain guiding angle, so that the overhanging plate segment 213 has guiding functions of mounting the battery cell 2 and injecting the heat-conducting structural adhesive.

Preferably, on the surface towards holding tank 31, be provided with the fillet changeover portion between overhanging board section 213 and the vertical board section 212 to prevent that electric core 2 from colliding with, fish tail electric core 2 in the in-process of putting into holding tank 31.

Referring to fig. 1, 4 and 5, the end plates 3 are disposed at two ends of the surrounding plate 1 to close two ends of the accommodating tank 31, so as to fix and protect the electric core 2 in the accommodating tank 31, the end plates 3 are disposed with end plate mounting points 30, two ends of the surrounding plate 1 are disposed with end plate fixing points 112 corresponding to the end plate mounting points 30, so as to position and fix the end plates 3 on the surrounding plate 1, preferably, the end plates 3 are formed by extrusion of sectional materials, and after the end plates 3 are fixed to the surrounding plate 1, the end plates are fixed by welding, so as to enhance the reliability of the whole structure of the surrounding plate 1 and the end plates 3.

Referring to fig. 7, the battery cells 2 are multiple, the insulating plate pads 4 are disposed between the battery cells 2 and the end plate 3 and between two adjacent battery cells 2, and the insulating plate pads 4 have an insulating function, so as to improve the safety performance of the battery module 10.

Referring to fig. 5 and 6, the distance between the two side plates 21 is greater than the width of the battery cell 2, so as to form a glue filling region 311 between the battery cell 2 and the side plates 21, a heat conducting structure glue is filled into the glue filling region 311, heat generated by the battery cell 2 during operation can be transferred to the side plates 21 through the heat conducting structure glue, and meanwhile, the heat conducting structure glue can also fix the battery cell 2 in the casing.

The utility model discloses an in some implementations, electricity core 2 is a plurality of, is provided with heat-conducting plate 5 between two adjacent electricity cores 2, and heat-conducting plate 5 extends to encapsulating district 311, and heat-conducting plate 5 is the better metal sheet of thermal conductivity, and heat-conducting plate 5 can glue electric core 2 and heat conduction structure not glue heat transfer to the heat conduction structure on the side of direct contact and glue, and then promote the heat dispersion of battery module 10.

Optionally, according to the calorific capacity of electric core 2 and the heat dissipation condition of battery module 10, be provided with heat-conducting plate 5 between every specific quantity electric core 2 to be favorable to reducing the cost of battery module 10, for example the embodiment shown in fig. 7 is provided with heat-conducting plate 5 between two electric cores 2 of every, can guarantee the heat transfer of electric core 2 side, can reduce the quantity of heat-conducting plate 5 again.

In some embodiments, the end plate mounting points 30 and the end plate fixing points 112 are mounting holes, and in the case of using fasteners, the end plate mounting points 30 can be used for fixing the end plate 3 to other parts (such as a case of a battery pack), and the end plate fixing points 112 can be used for fixing the enclosure plate 1 to other parts (such as a case of a battery pack), so that the battery module 10 can be fixed to other parts (such as a case of a battery pack).

Optionally, the coaming 1 and the end plate 3 can form a water tank type lower shell structure, and the structure can form a cooling mode capable of directly performing liquid cooling on the electric core 2 with a semi-immersed battery module.

According to another aspect of the present invention, a vehicle includes the battery module 10 of the above embodiment.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A battery module, comprising:

a shroud (1), the shroud (1) comprising: the heat dissipation structure comprises a bottom plate (11) and side plates (21) positioned on two sides of the bottom plate (11), wherein a heat dissipation channel (111) communicated with the outside is formed in the wall of the enclosing plate (1), and the bottom plate (11) and the side plates (21) on the two sides enclose an accommodating groove (31);

the battery cell (2) is located in the accommodating groove (31).

2. The battery module (10) according to claim 1, wherein the heat dissipation channel (111) is formed in the bottom plate (11) and/or the side plate (21), and the side plate (21) is provided with heat dissipation fins (211) extending outward.

3. The battery module (10) according to claim 1 or 2, wherein the side plate (21) of each side comprises: the vertical plate section (212) is fixed with the bottom plate (11), the outward extending plate section (213) is located at the top of the vertical plate section (212), and the outward extending plate section (213) is bent towards a direction away from the accommodating groove (31).

4. The battery module (10) according to claim 3, wherein the included angle between the outer extending plate section (213) and the vertical plate section (212) is 120-170 °.

5. The battery module (10) according to claim 3, wherein a rounded transition is provided between the overhanging plate segment (213) and the vertical plate segment (212) at the surface facing the receiving groove (31).

6. The battery module (10) according to claim 1, wherein the end plates (3) are provided at both ends of the surrounding plate (1) to close both ends of the receiving groove (31), and the end plates (3) are provided with end plate mounting points (30).

7. The battery module (10) according to claim 6, wherein the battery cells (2) are plural, and insulating plate pads (4) are arranged between the battery cells (2) and the end plate (3) and between two adjacent battery cells (2).

8. The battery module (10) according to claim 1 or 6, characterized in that the distance between the two side plates (21) is greater than the width of the cell (2) to form a potting region (311) between the cell (2) and the side plates (21).

9. The battery module (10) according to claim 8, wherein the number of the battery cells (2) is multiple, a heat conducting plate (5) is arranged between two adjacent battery cells (2), or a heat conducting plate (5) is arranged between every predetermined number of the battery cells (2), and the heat conducting plate (5) extends to the potting region (311).

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