CN212725451U - Side plate assembly of battery module and battery module - Google Patents
Side plate assembly of battery module and battery module Download PDFInfo
- Publication number
- CN212725451U CN212725451U CN202021963339.9U CN202021963339U CN212725451U CN 212725451 U CN212725451 U CN 212725451U CN 202021963339 U CN202021963339 U CN 202021963339U CN 212725451 U CN212725451 U CN 212725451U
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- China
- Prior art keywords
- side plate
- battery module
- separator
- rib
- curb 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 discloses a curb plate subassembly and battery module of battery module, the curb plate subassembly includes: a side plate having a plurality of reinforcement portions; the separator, the separator is established in the one side that is close to electric core of curb plate, and the one side that is close to the curb plate of separator has a plurality of cooperation portions, and a plurality of cooperation portions are suitable for the cooperation on a plurality of rib, and except that arbitrary cooperation portion outside both ends agrees with two adjacent rib to make the separator closely laminate on the curb plate, the opposite side of keeping away from the curb plate of separator is the plane, is used for ending to support on electric core. According to the battery module, the matching part is arranged on the isolating piece, and the matching part can be in complementary fit with the reinforcing part on the side plate, so that a pit cannot be formed due to the reinforcing part arranged on the side plate when the battery core expands, and the battery module can be protected.
Description
Technical Field
The utility model relates to a battery module technical field especially relates to a curb plate subassembly and battery module of battery module.
Background
In the module design development process, during module design end life, the bulging force in the module is 0.2Mpa, and in order to increase the intensity of module curb plate, the rib has been done to the module curb plate, and there is 0.8 mm's PP division board module curb plate and electric core before. Under the effect of expansive force, laminate polymer battery extrudes darker pit by the pit of module curb plate easily in the module to lead to electric core to warp and damage, be unfavorable for the safety of battery module.
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, the utility model provides a curb plate assembly of battery module, the curb plate assembly of battery module has improved the degree of protection of battery module, maintains battery module electricity core normal work, can prevent that the electricity core of battery module from taking place to warp.
The utility model discloses still provide a battery module of the curb plate subassembly of using above-mentioned battery module, battery module protection degree is high, and the security is good.
According to the utility model discloses battery module's curb plate subassembly, battery module's curb plate subassembly includes: a side plate having a plurality of reinforcement portions; the separator, the separator is established one side of being close to electric core of curb plate, the separator is close to one side of curb plate has a plurality of cooperation portions, and is a plurality of cooperation portion is suitable for the cooperation to be in a plurality of on the rib, and except that both ends arbitrary cooperation portion and adjacent two the rib agrees with, so that the separator closely laminates on the curb plate, keeping away from of separator one side of curb plate is the plane, the plane is used for ending to be supported on the electric core.
According to the utility model discloses the curb plate subassembly of battery module through setting up cooperation portion on the separator, cooperation portion can realize complementary cooperation with the rib on the curb plate to make electric core can not appear the pit because of setting up the rib on the curb plate when the inflation, can play the effect of the electric core of protection battery module.
In some embodiments, the reinforcement portion is a concave rib that is located along a thickness direction of the side plate and away from the spacer, and the fitting portion is a convex portion that fits over the concave rib; the reinforcing part is along the thickness direction of the side plate and close to the convex rib of the isolating piece, the matching part is a groove, and the groove is matched on the convex rib.
In some embodiments, a plurality of the reinforcement portions are configured as wave-shaped concave portions on the side plates, a plurality of the engagement portions are configured as wave-shaped convex portions on the separator, and the wave-shaped concave portions and the wave-shaped convex portions are engaged with each other.
In some embodiments, the length of the reinforcing part is equal to that of the matching part, and two ends of the reinforcing part are abutted against two ends of the matching part in a one-to-one correspondence manner.
In some embodiments, a plurality of the reinforcing parts are arranged at intervals along the length direction of the side plate, and the long sides of the reinforcing parts are arranged perpendicular to the long sides of the side plate.
In some embodiments, the spacer and the plurality of mating portions are integrally injection molded.
In some embodiments, the thickness of the thinnest portion of the spacer is 0.8 to 1.2 mm, and the thickness of the thickest portion of the spacer is 2.8 to 3.6 mm.
In some embodiments, the isolation member is an isolation plate made of PP.
In some embodiments, the side panel comprises: a body on which the plurality of reinforcing parts are provided; the top plate is connected to the upper end of the main body and extends out towards one side close to the battery core; the bottom plate is connected to the lower end of the main body, extends towards one side close to the battery cell, and can be correspondingly abutted to the top plate and the bottom plate at the upper end and the lower end of the isolating piece.
According to the utility model discloses battery module, battery module uses the curb plate subassembly of above-mentioned battery module.
According to the utility model discloses battery module, through improving the curb plate subassembly, because set up cooperation portion on the separator, cooperation portion can realize complementary cooperation with the rib on the curb plate to make electric core can not appear the pit because of setting up the rib on the curb plate when the inflation, can play the effect of the electric core of protection battery module, strengthened the protection to electric core, improved the security of battery module.
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 perspective view of a side plate assembly of a battery module according to an embodiment of the present invention;
fig. 2 is a top view of fig. 1.
Reference numerals:
1. a side plate assembly of the battery module;
10. a side plate; 100. a main body; 110. a reinforcing portion; 111. a rib is protruded; 120. a top plate;
20. a spacer; 200. a fitting portion; 202. a groove;
2. and (5) battery cores.
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.
In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "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 and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The side plate assembly 1 of the battery module according to the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, according to the side plate assembly 1 of the battery module of the embodiment of the present invention, the side plate assembly 1 of the battery module includes a side plate 10 and a spacer 20.
The side plate 10 has a plurality of reinforcing portions 110, and the reinforcing portions 110 can improve the overall structural strength of the side plate 10 and prevent deformation and damage. The separator 20 is arranged on one side of the side plate 10 close to the electric core 2, one side of the separator 20 close to the side plate 10 is provided with a plurality of matching parts 200, the matching parts 200 are suitable for being matched on the reinforcing parts 110, and any matching part 200 except two ends is matched with two adjacent reinforcing parts 110, so that the separator 20 is tightly attached to the side plate 10, one side of the separator 20 far away from the side plate 10 is a plane, and the plane is used for stopping on the electric core 2. It can be understood that, the separator 20 is disposed between the side plate 10 and the battery cell 2, and is generally made of a softer material, and plays a role of isolation and insulation, the matching portion 200 on the separator 20 and the reinforcing portion 110 on the side plate 10 can realize complementary matching, the whole separator 20 can be filled on the raised reinforcing portion 110 on the side plate 10, or on the raised portion formed by two adjacent recessed reinforcing portions 110, so as to avoid the problem that the battery cell 2 is prone to form a pit on the surface when expanding.
According to the utility model discloses curb plate subassembly 1 of battery module through setting up cooperation portion 200 on the separator 20, cooperation portion 200 can realize complementary cooperation with the rib 110 on the curb plate 10 to make electric core 2 can not be because of setting up rib 110 and appearing the pit on the curb plate 10 when the inflation, can play the effect of electric core 2 of protection battery module.
As shown in fig. 1, in some embodiments, the reinforcing portion 110 is a concave rib (not shown) that is along the thickness direction of the side plate 10 and is far away from the separator 20, the matching portion 200 is a convex portion (not shown) that is matched with the concave rib, that is, a protrusion is formed between two adjacent concave ribs on the side plate 10, the battery core 2 is pressed when the battery core 2 expands, the convex portion formed by the matching portion 200 is embedded in the concave rib, the convex portion and the concave rib are completely contacted without a gap, and the protrusion formed between two adjacent concave ribs can be filled between two adjacent convex portions, so as to avoid the side plate 10 from being pressed on the battery core 2.
As shown in fig. 1, in some embodiments, the reinforcing portion 110 is a rib 111 that is close to the separator 20 along the thickness direction of the side plate 10, the matching portion 200 is a groove 202, the groove 202 is matched on the rib 111, that is, the rib 111 may extrude the battery cell 2 when the battery cell 2 expands, the rib 111 is embedded in the groove 202, the rib 111 completely contacts with the groove 202 without a gap, and the groove 202 on the separator 20 is filled on the rib 111, so as to prevent the side plate 10 from extruding on the battery cell 2.
As shown in fig. 1, in some embodiments, the plurality of reinforcement parts 110 are configured as wave-shaped recesses on the side plate 10, and the plurality of fitting parts 200 are configured as wave-shaped protrusions on the partition 20, and the wave-shaped recesses and the wave-shaped protrusions are fitted to each other. The wave-shaped concave part and the wave-shaped convex part are fit without a gap, and both the wave-shaped concave part and the wave-shaped convex part are wave-shaped, so that the side plate 10 and the partition piece 20 are easy to match, the assembly problem can be reduced, and the assembly difficulty of the side plate 10 and the partition piece 20 is reduced.
As shown in fig. 1, in some embodiments, the length of the reinforcing portion 110 is equal to the length of the fitting portion 200, and two ends of the reinforcing portion 110 are abutted against two ends of the fitting portion 200 in a one-to-one correspondence. That is, since the reinforcing part 110 is complementarily fitted to the fitting part 200 and both ends of the reinforcing part 110 are stopped against both ends of the fitting part 200, the separator 20 is easily positioned and fitted to the side plate 10, facilitating the assembly of the battery module. In addition, the cooperation of rib 110 and cooperation portion 200 is seamless for the atress is balanced between rib 110 and the cooperation portion 200, and no atress concentration point makes the curb plate subassembly 1 of battery module not fragile.
As shown in fig. 1, in some embodiments, a plurality of reinforcing parts 110 are disposed at intervals along the length direction of the side plate 10, and the long sides of the reinforcing parts 110 are disposed perpendicular to the long sides of the side plate 10.
As shown in fig. 1, in some embodiments, the spacer 20 is integrally injection molded with the plurality of mating portions 200. The partition 20 and the plurality of matching parts 200 are integrally injection molded, so that the production process can be reduced, the integrity of the partition 20 is better, and the partition 20 and the matching parts 200 are not easy to deform or damage when being matched with the side plates 10 and the reinforcing parts 110.
In some embodiments, the thinnest portion of the spacer 20 has a thickness of 0.8 to 1.2 mm, and the thickest portion of the spacer 20 has a thickness of 2.8 to 3.6 mm. For example, the fitting portion 200 is a groove 202, the bottom of the groove 202 is 0.8 to 1.2 mm away from the side surface of the separator 20 close to the battery cell 2, preferably 1 mm, and the top of the groove 202 is 2.8 to 3.6 mm away from the side surface of the separator 20 close to the battery cell 2, preferably 3.2 mm, so as to ensure that the thickness of the separator 20 can meet the requirement of filling the side plate 10. For another example, the fitting portion 200 is a convex portion, the bottom of the convex portion is 1 mm from the side surface of the separator 20 close to the battery cell 2, and the top of the convex portion is 3.2 mm from the side surface of the separator 20 close to the battery cell 2, so as to ensure that the thickness of the separator 20 can meet the requirement of being filled on the side plate 10. Secondly, the thinnest department of the isolating piece 20 is 1 millimeter, after the requirement of near use is met, the whole thickness of the isolating piece 20 is reduced, the size can be reduced, meanwhile, the problem that the battery core 2 cannot be protected due to too small thickness is avoided, the thickness of the thickest part of the isolating piece 20 is 3.2 millimeters, and the isolating piece 20 is favorably provided with a matching part 200 to be filled on the side plate 10.
In some embodiments, the spacer 20 is a PP spacer 20. The PP material isolation part 20 plays an insulating role in material per se, and meanwhile, the PP material is soft, and can play a buffering role when vibration occurs. The fitting portion 200 is added to the separator 20 made of PP material, so that the separator 20 can be fitted with the reinforcing portion 110 to prevent the battery cell 2 from being extruded and deformed under the condition of insulating.
As shown in fig. 1, in some embodiments, the side panel 10 includes: a main body 100, a plurality of reinforcing parts 110 provided on the main body 100; a top plate 120, wherein the top plate 120 is connected to the upper end of the main body 100, and the top plate 120 extends out towards one side close to the battery cell 2; a bottom plate (not shown) connected to the lower end of the main body 100 and extending toward a side close to the battery cell 2, wherein the upper and lower ends of the separator 20 can be respectively abutted against the top plate 120 and the bottom plate. That is to say, the upper and lower both ends of separator 20 are corresponding to be stopped on roof 120, bottom plate, and through this mode, the upper end of separator 20 supports on roof 120, and the lower extreme of separator 20 supports on the bottom plate, need not to use the fastener to fasten and just can fix separator 20 on curb plate 10, has reduced the assembly process, also makes things convenient for the installation of separator 20.
A specific embodiment of the side plate assembly 1 of the battery module according to the present invention will be described with reference to fig. 1 and 2.
A side plate assembly 1 of a battery module comprises a side plate 10 and a separator 20.
The separator 20 is between the side plate 10 and the battery cell 2.
The side plate 10 includes: a main body 100, a reinforcement 110, a top plate 120; the main body 100 is provided with a plurality of reinforcing parts 110, the reinforcing parts 110 are uniformly arranged from front to back, and the reinforcing parts 110 form a wave-shaped concave part; the top plate 120 is located at the upper end of the main body 100, and the top plate 120 extends out towards the battery cell 2.
The partition 20 is integrally formed by PP materials, the partition 20 is provided with matching parts 200 matching with the reinforcing parts 110, the matching parts 200 form wave-shaped convex parts, and the wave-shaped convex parts are matched with wave-shaped concave parts constructed by the reinforcing parts 110; the side of the separator 20 close to the cell 2 has no wavy convex portion, and the side close to the cell 2 is a plane.
The separator 20 is buckled on the side plate 10, the wave-shaped convex part is matched with the wave-shaped concave part, the side plate 10 and the separator 20 clamped on the side plate 10 are attached to the battery cell 2, and the battery cell 2 is isolated and protected.
It is worth to be noted that the stacking sequence in the battery module is: firstly, the partition 20 is stacked on the side plate 10, then the battery cells 2 are stacked on the plane of the partition 20, when the module is subjected to an expansion force, the partition 20 is wavy, and after the partition 20 is assembled with the side plate 10, pits formed by the reinforcing parts 110 on the side plate 10 are filled with the solid substances, so that the battery cells 2 are not affected by the reinforcing parts 110 of the side plate 10 when being subjected to the expansion force of 0.2 MP.
According to the utility model discloses a battery module, battery module uses the curb plate subassembly 1 of above-mentioned battery module.
According to the utility model discloses battery module, through the curb plate subassembly 1 that improves battery module, because set up cooperation portion 200 on the separator 20, cooperation portion 200 can realize complementary cooperation with the rib 110 on the curb plate 10 to make electric core 2 can not appear the pit because of setting up rib 110 on the curb plate 10 when the inflation, can play the effect of electric core 2 of protection battery module, strengthened the protection to electric core 2, improved battery module's security.
Other constructions and operations of the side plate assembly 1 of the battery module according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., 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 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 (10)
1. A curb plate subassembly of battery module which characterized in that includes:
a side plate having a plurality of reinforcement portions;
the separator, the separator is established one side of being close to electric core of curb plate, the separator is close to one side of curb plate has a plurality of cooperation portions, and is a plurality of cooperation portion is suitable for the cooperation to be in a plurality of on the rib, and except that both ends arbitrary cooperation portion and adjacent two the rib agrees with, so that the separator closely laminates on the curb plate, keeping away from of separator one side of curb plate is the plane, the plane is used for ending to be supported on the electric core.
2. The side plate assembly of a battery module according to claim 1,
the reinforcing part is a concave rib which is far away from the isolating piece along the thickness direction of the side plate, the matching part is a convex part, and the convex part is matched on the concave rib;
the reinforcing part is along the thickness direction of the side plate and close to the convex rib of the isolating piece, the matching part is a groove, and the groove is matched on the convex rib.
3. The side plate assembly of a battery module according to claim 1, wherein a plurality of the reinforcement portions are configured as wave-shaped recesses on the side plate, a plurality of the engagement portions are configured as wave-shaped protrusions on the separator, and the wave-shaped recesses and the wave-shaped protrusions are engaged with each other.
4. The side plate assembly of a battery module according to claim 1, wherein the length of the reinforcing part is equal to the length of the fitting part, and both ends of the reinforcing part are abutted against both ends of the fitting part in a one-to-one correspondence.
5. The side plate assembly of a battery module according to claim 1, wherein a plurality of the reinforcing parts are provided at intervals in a length direction of the side plate, and long sides of the reinforcing parts are provided perpendicular to the long sides of the side plate.
6. The side plate assembly of a battery module according to claim 1, wherein the spacer is integrally injection-molded with the plurality of fitting portions.
7. The side plate assembly of a battery module according to claim 1, wherein the thickness of the separator at the thinnest point is 0.8 to 1.2 mm, and the thickness of the separator at the thickest point is 2.8 to 3.6 mm.
8. The side plate assembly of a battery module according to claim 1, wherein the separator is a separator made of PP.
9. The side plate assembly of a battery module according to claim 1, wherein the side plate comprises:
a body on which the plurality of reinforcing parts are provided;
the top plate is connected to the upper end of the main body and extends out towards one side close to the battery core;
the bottom plate is connected to the lower end of the main body, extends towards one side close to the battery cell, and can be correspondingly abutted to the top plate and the bottom plate at the upper end and the lower end of the isolating piece.
10. A battery module, comprising: the side plate assembly of a battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021963339.9U CN212725451U (en) | 2020-09-09 | 2020-09-09 | Side plate assembly of battery module and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021963339.9U CN212725451U (en) | 2020-09-09 | 2020-09-09 | Side plate assembly of battery module and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212725451U true CN212725451U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021963339.9U Expired - Fee Related CN212725451U (en) | 2020-09-09 | 2020-09-09 | Side plate assembly of battery module and battery module |
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| Country | Link |
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| CN (1) | CN212725451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123006A1 (en) * | 2021-12-29 | 2023-07-06 | 宁德时代新能源科技股份有限公司 | Battery, electrical apparatus, and battery manufacturing method and device |
-
2020
- 2020-09-09 CN CN202021963339.9U patent/CN212725451U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123006A1 (en) * | 2021-12-29 | 2023-07-06 | 宁德时代新能源科技股份有限公司 | Battery, electrical apparatus, and battery manufacturing method and device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 Termination date: 20210909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |