CN210245571U - Battery module protection architecture, battery package and electric motor car - Google Patents
Battery module protection architecture, battery package and electric motor car Download PDFInfo
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- CN210245571U CN210245571U CN201921015952.5U CN201921015952U CN210245571U CN 210245571 U CN210245571 U CN 210245571U CN 201921015952 U CN201921015952 U CN 201921015952U CN 210245571 U CN210245571 U CN 210245571U
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- buffer
- curb plate
- battery module
- electric core
- side plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery module protection structure, which comprises a battery module, a side plate and a buffer piece; the buffer piece is positioned between the electric core assembly and the side plate; the curb plate includes first curb plate and second curb plate, and first curb plate and second curb plate are located the relative both sides face of electric core subassembly, and just first curb plate and second curb plate all install on the bolster, all are equipped with the arch on the curb plate. The side plate and the cell assembly are separated by the buffer piece, the side plate is in non-rigid contact with the cell assembly, when the side plate is impacted externally, the impact force is not directly transmitted to the cell assembly by the side plate so as not to damage the cell assembly, and the safety performance is greatly improved; the buffer is a soft deformable buffer, when the buffer is impacted by the outside, the side plates transmit impact force to the buffer, and the buffer can deform to buffer the extrusion force applied to the electric core assembly; the side plate is provided with the bulges, so that the performance of the structure is enhanced, and the bulges collapse to absorb energy when the side plate is subjected to external impact force.
Description
Technical Field
The utility model relates to a battery module technical field of electric motor car, in particular to battery module protection architecture, battery package and electric motor car.
Background
With the development of electric automobiles vigorously pushed by the country, the electric automobiles gradually cover taxis and cars. The battery is an important part of the electric automobile as a power source. With the wide application of electric vehicles, people have higher and higher requirements on battery safety.
Traditional battery module among the prior art does not possess any buffer function, can't slow down because of the battery module side receives the impact force that the striking produced, and the electric core subassembly is easily harmed when receiving the side impact for the life-span of battery module shortens, and it is frequent to change.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a battery module protection structure, which can solve the problem that the side of the existing battery module is damaged easily by impact.
In order to solve the technical problem, the utility model provides a battery module protection structure, which comprises a battery module, a side plate and a buffer piece; the buffer is positioned between the electric core assembly and the side plate; the curb plate includes first curb plate and second curb plate, first curb plate and second curb plate are located on the relative both sides face of electric core subassembly, just first curb plate and second curb plate are all installed on the bolster, all be equipped with the arch on the curb plate.
Further, the internal surface of bolster is installed on the electricity core subassembly, the external surface mounting of bolster has the curb plate, the curb plate with electricity core subassembly non-rigid contact.
Further, the buffer piece is of an L-shaped structure, and the buffer piece is installed at the bent part of the electric core assembly.
Further, the buffer is an insulating, deformable, soft buffer.
Furthermore, the number of the buffer parts is four, and the four buffer parts are fixedly installed at four corners of the electric core assembly respectively.
Further, the protrusions on the side plates are strip-shaped protrusions.
Furthermore, the bulges on the side plates are arc bulges which are uniformly distributed.
Further, the curb plate includes the installation department, the installation department is "L" shape structure, the installation department with the structure cooperation of bolster, so that the installation department is installed on the bolster.
Correspondingly, the utility model also provides a battery package, include as above arbitrary the battery module protection architecture.
Correspondingly, the utility model also provides an electric motor car, include as above the battery package.
Adopt above-mentioned technical scheme, have following beneficial effect:
1) the utility model provides a battery module protection architecture, curb plate and electric core subassembly are separated by the bolster, and non-rigid contact between curb plate and the electric core subassembly, when receiving outside striking the curb plate can not transmit the impact directly to the electric core subassembly and then destroy the electric core subassembly, and the security performance is greatly improved;
2) the utility model provides a battery module protection architecture in bolster be soft deformable bolster, the curb plate transmits the impact to the bolster when receiving outside striking, the bolster can deform the extrusion force that cushions the electric core subassembly and receive;
3) the utility model provides a battery module protection architecture is equipped with the arch on the curb plate, strengthens the performance of structure, and protruding the ulcerate is contracted when the curb plate receives outside impact, absorbed energy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a top view of a battery module protection structure according to the present invention;
fig. 2 is an exploded view of a battery module protection structure according to the present invention.
The following is a supplementary description of the drawings:
1. a side plate; 2. a buffer member; 3. electric core subassembly.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like 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.
Example 1:
as shown in fig. 1-2, a battery module protection structure includes a side plate 1, a buffer member 2, and a cell assembly 3.
The electric core assembly 3 comprises a plurality of electric cores, the number of the electric cores is an even number, the electric core assembly 3 is fixedly formed between the electric cores, and the electric core assembly 3 is square.
Curb plate 1 includes first curb plate and second curb plate, and first curb plate is the same with the second curb plate structure, and is located the relative both sides face of electric core subassembly 3, and first curb plate and second curb plate set up relatively, and bolster 2 and electric core subassembly 3 are between first curb plate and second curb plate, and first curb plate and second curb plate form the centre gripping space, and bolster 2 and electric core 3 are located the centre gripping space, and first curb plate and second curb plate clamp bolster 2 and electric core subassembly 3 tightly.
Preferably, the first side plate and the second side plate both comprise a main body and a mounting portion, the main body and the mounting portion are integrally formed, and the mounting portion is located at two ends of the main body. All be equipped with the bar arch on first curb plate and the second curb plate, the bar arch is located the main part. The number of the strip-shaped bulges is at least two, and a strip-shaped groove is formed between the two strip-shaped bulges. The protruding intensity that can strengthen the curb plate of bar, protruding the ulcerate when the curb plate receives outside impact and contracts, the absorbed energy reduces the impact of outside impact to electric core subassembly 3.
The mounting portion is mounted on the cushion member 2. The mounting portion is shaped to fit the buffer member 2, and in this embodiment, the mounting portion is an L-shaped structure, which can limit the movement of the core assembly 3 in the vertical direction in fig. 2, in addition to being fixedly connected to the L-shaped buffer member 2. Preferably, each side plate 1 is provided with two mounting portions, and the two mounting portions are mounted on the buffer 2 by means of bonding, riveting, welding, screwing and the like.
The buffer parts 2 are located between the electric core assembly 3 and the side plate 1, preferably, the buffer parts 2 are four, each buffer part 2 is of an L-shaped structure, each L-shaped buffer part comprises a first buffer part and a second buffer part, and the included angle between the first buffer part and the second buffer part is 90 degrees, so that the first buffer part and the second buffer part vertically form the L-shaped structure. The bolster of four L shape structures is fixed mounting respectively in four corners of turning over of electric core subassembly 3, and the internal surface mounting of bolster 2 is on electric core subassembly 3, and the surface mounting of bolster 2 is in the internal surface of curb plate 1, specifically, the surface of bolster 2 is connected with the installation department on the curb plate 1. Make curb plate 1 and the non-rigid contact of electric core subassembly 3 for battery module 1 can not give electric core subassembly 3 and then destroy electric core subassembly 3 with impact direct transmission when receiving outside striking, and curb plate 1 and electric core subassembly 3 are under the isolation of bolster 2, and the security performance obtains very big improvement, and in addition, bolster 2 can also be to electric core subassembly 3 play the spacing effect of vertical direction.
Preferably, the buffer member is an insulating, deformable soft buffer member, and the insulating buffer member does not affect the use performance of the battery module. Because the buffering piece is deformable, the side plate 1 transmits the impact force to the buffering piece 2 when the buffering piece is impacted by the outside, and the deformable performance of the buffering piece 2 buffers the extrusion force received by the electric core assembly 3.
Preferably, the inner surface of the L-shaped buffer 2 is provided with a round angle, and the buffer 2 is in smooth contact with the electric core assembly 3, so as to better protect the electric core assembly 3 from being squeezed.
The utility model provides a battery module protection architecture when the installation, installs four bolster 2 earlier on electric core subassembly 3 with modes such as bonding, riveting, welding, installs bolster 2's surface with two 1 installation of curb plate again, and two 1 relative both sides faces of curb plate that are located electric core subassembly 3.
Adopt above-mentioned technical scheme to have following beneficial effect: because the side plate 1 and the electric core assembly 3 are separated by the buffer 2, the side plate 1 is in non-rigid contact with the electric core assembly 3, when the electric core assembly 3 is damaged by external impact, the side plate 1 cannot directly transmit impact force to the electric core assembly 3, and the safety performance is greatly improved; the buffer 2 is a soft deformable buffer, when the buffer is impacted by the outside, the side plate 1 transmits the impact force to the buffer 2, and the buffer 2 can deform to buffer the extrusion force applied to the electric core assembly; the side plate 1 is provided with strip-shaped protrusions to form reinforcing ribs, the performance of the structure is enhanced, and the protrusions collapse to absorb energy when the side plate 1 is subjected to external impact force.
Example 2:
a battery module protection structure includes a side plate, a buffer member, and an electric core assembly. In the second embodiment, the electric core assembly is the same as in the first embodiment.
The side plates comprise a first side plate and a second side plate, the first side plate and the second side plate are the same in structure and are located on two opposite side faces of the battery pack assembly, the first side plate and the second side plate are arranged oppositely, the buffer and the battery pack assembly are arranged between the first side plate and the second side plate, the first side plate and the second side plate form a clamping space, the buffer and the battery pack assembly are located in the clamping space, and the first side plate and the second side plate clamp the buffer and the battery pack assembly tightly.
Preferably, the first side plate and the second side plate both comprise a main body and a mounting portion, the main body and the mounting portion are integrally formed, and the mounting portion is located at two ends of the main body. All be equipped with the arc arch on first curb plate and the second curb plate, the arc arch is located the main part. The number of the arc-shaped bulges on each side plate is at least two, and a groove is formed between every two adjacent arc-shaped bulges. The arc is protruding can strengthen the intensity of curb plate, and protruding the ulcerate when the curb plate receives outside impact contracts, and the energy absorption reduces the impact of outside impact to electric core subassembly.
The mounting portion is mounted on the cushion member. The shape of installation department and bolster cooperation, in this embodiment, the installation department is L shape structure, except with the bolster fixed connection of L shape, can also restrict the motion of electric core subassembly in the vertical direction. Preferably, each side plate is provided with two mounting parts which are mounted on the buffer member by means of bonding, riveting, welding, screwing and the like.
The bolster is located between electric core subassembly and the curb plate, and preferably, the bolster has four, and every bolster all is L shape structure, and every L shape bolster includes first buffer portion and second buffer portion, and first buffer portion and second buffer portion contained angle are 90 degrees for first buffer portion and second buffer portion form L shape structure perpendicularly. The bolster of four L shape structures is fixed mounting respectively in four bend angle departments of electric core subassembly, and the interior surface mounting of bolster is on electric core subassembly, and the surface mounting of bolster is at the internal surface of curb plate, specifically, and the surface of bolster is connected with the installation department on the curb plate. Make curb plate and electric core subassembly non-rigid contact for the battery module when receiving outside striking the curb plate can not give the electric core subassembly and then destroy the electric core subassembly with impact direct transmission, and the curb plate obtains very big improvement with the electric core subassembly under the isolation of bolster, and in addition, the bolster can also be to the electric core subassembly play the spacing effect of vertical direction. Preferably, the buffer member is an insulating, deformable soft buffer member, and the insulating buffer member does not affect the use performance of the battery module. Because the bolster is can be out of shape, the curb plate gives the bolster with the impact transmission when receiving outside striking, the extrusion force that the cell subassembly received has been cushioned to the flexible performance of bolster. Preferably, the inner surface of the L-shaped buffer member is provided with a round angle, and the buffer member is in smooth contact with the electric core assembly, so that the electric core assembly is better protected from being extruded.
In this embodiment, also can be equipped with the arch on the bolster, increase buffering effect, can also be when the bolster bonding core subassembly, the bonding is firm, gathers glue.
The utility model provides a battery module protection architecture when the installation, installs four bolster with modes such as bonding, riveting, welding on the battery pack subassembly earlier, again with the surface of two curb plate installation bolsters, and two curb plates are located the relative both sides face of battery pack subassembly.
Correspondingly, the utility model also provides a battery package, include as above arbitrary the battery module protection architecture.
Correspondingly, the utility model also provides an electric motor car, include as above the battery package.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has: because the side plate and the electric core assembly are separated by the buffer piece and are in non-rigid contact, when the electric core assembly is impacted by the outside, the impact force is not directly transmitted to the electric core assembly by the side plate so as not to damage the electric core assembly, and the safety performance is greatly improved; the buffer is a soft deformable buffer, when the buffer is impacted by the outside, the side plates transmit impact force to the buffer, and the buffer can deform to buffer the extrusion force applied to the electric core assembly; the side plates are provided with arc-shaped bulges, so that the performance of the structure is enhanced, and the bulges collapse to absorb energy when the side plates are subjected to external impact force.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a battery module protection architecture which characterized in that: the buffer comprises a core component, a side plate and a buffer piece; the buffer is positioned between the electric core assembly and the side plate; the curb plate includes first curb plate and second curb plate, first curb plate and second curb plate are located on the relative both sides face of electric core subassembly, just first curb plate and second curb plate are all installed on the bolster, all be equipped with the arch on the curb plate.
2. The battery module protection structure according to claim 1, wherein: the inner surface of the buffer piece is arranged on the battery cell assembly, the outer surface of the buffer piece is provided with the side plate, and the side plate is in non-rigid contact with the battery cell assembly.
3. The battery module protection structure according to claim 1, wherein: the buffer piece is of an L-shaped structure, and the buffer piece is arranged at the bending part of the electric core assembly.
4. The battery module protection structure according to claim 1, wherein: the buffer is an insulating, deformable, soft buffer.
5. The battery module protection structure according to claim 1, wherein: the buffer parts are four and are respectively and fixedly installed at four corners of the electric core component.
6. The battery module protection structure according to claim 1, wherein: the bulges on the side plates are strip-shaped bulges.
7. The battery module protection structure according to claim 1, wherein: the bulges on the side plates are arc bulges which are uniformly distributed.
8. The battery module protection structure according to claim 3, wherein: the curb plate includes the installation department, the installation department is "L" shape structure, the installation department with the structure cooperation of bolster, so that the installation department is installed on the bolster.
9. A battery pack, comprising: comprising the battery module protection structure according to any one of claims 1 to 8.
10. An electric vehicle, characterized in that: comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015952.5U CN210245571U (en) | 2019-07-02 | 2019-07-02 | Battery module protection architecture, battery package and electric motor car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015952.5U CN210245571U (en) | 2019-07-02 | 2019-07-02 | Battery module protection architecture, battery package and electric motor car |
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| CN210245571U true CN210245571U (en) | 2020-04-03 |
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| CN201921015952.5U Active CN210245571U (en) | 2019-07-02 | 2019-07-02 | Battery module protection architecture, battery package and electric motor car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335846A (en) * | 2020-09-27 | 2022-04-12 | 比亚迪股份有限公司 | Battery tray and battery pack |
| DE102020214550A1 (en) | 2020-11-18 | 2022-05-19 | Volkswagen Aktiengesellschaft | Battery arrangement with electrically non-conductive protective plate |
| CN114709535A (en) * | 2022-04-19 | 2022-07-05 | 万向一二三股份公司 | Battery pack shell, battery pack and electric automobile |
| WO2023134535A1 (en) * | 2022-01-17 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Battery module and power-utilization device |
-
2019
- 2019-07-02 CN CN201921015952.5U patent/CN210245571U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335846A (en) * | 2020-09-27 | 2022-04-12 | 比亚迪股份有限公司 | Battery tray and battery pack |
| DE102020214550A1 (en) | 2020-11-18 | 2022-05-19 | Volkswagen Aktiengesellschaft | Battery arrangement with electrically non-conductive protective plate |
| WO2023134535A1 (en) * | 2022-01-17 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Battery module and power-utilization device |
| CN114709535A (en) * | 2022-04-19 | 2022-07-05 | 万向一二三股份公司 | Battery pack shell, battery pack and electric automobile |
| CN114709535B (en) * | 2022-04-19 | 2024-02-02 | 万向一二三股份公司 | Battery pack shell, battery pack and electric automobile |
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