CN215578808U - Battery with a battery cell - Google Patents
Battery with a battery cell Download PDFInfo
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- CN215578808U CN215578808U CN202122085200.XU CN202122085200U CN215578808U CN 215578808 U CN215578808 U CN 215578808U CN 202122085200 U CN202122085200 U CN 202122085200U CN 215578808 U CN215578808 U CN 215578808U
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- support
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- casing
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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 battery comprising: first casing, second casing, electric core module. Particularly, the border of first casing is formed with the recess, and the border of second casing is equipped with the chimb, and the sealed cooperation of chimb is in the recess, and first casing and second casing are injectd jointly and are held the chamber, and electric core module is located and is held the intracavity. From this, set up the recess on first casing, set up the chimb on the second casing, through the adaptation of recess and chimb, increase the leakproofness of being connected between first casing and the second casing, can avoid dust among the external environment etc. to get into inside the influence to battery life of casing, simultaneously, can improve the reliability of first casing and second casing installation, and then can do benefit to the installation reliability who improves electric core module to make the overall structure's of battery reliability higher.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery.
Background
In the related art, batteries such as PACK batteries have advantages of high energy density, high power density, high cycle number, long storage time, and the like, and have been widely used in electric vehicles, mobile devices, or electric tools. The battery can include a plurality of electric cores, in the battery use, because casing and electric core fixed back stability and structural strength are not enough, lead to electric core to appear becoming flexible in battery inside easily, the reliability of installation is lower, and if the casing is the battery of compriseing two parts, two parts lead to producing the dislocation because the circumstances such as vibration that appear in the use, the leakproofness of casing can not obtain the assurance, the casing is not enough to the support intensity of electric core module, influence the normal life of battery.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a battery that can increase the sealability between the cases to which the winding core is attached.
A battery according to an embodiment of the present invention includes: the battery shell comprises a first shell, a second shell and a battery cell module, wherein a groove is formed in the edge of the first shell, a convex edge is arranged at the edge of the second shell, the convex edge is in sealing fit with the groove, a containing cavity is defined by the first shell and the second shell together, and the battery cell module is arranged in the containing cavity.
According to the battery provided by the embodiment of the utility model, the groove is formed in the first shell, the convex edge is formed in the second shell, the sealing property of the connection between the first shell and the second shell is improved through the matching of the groove and the convex edge, the influence of dust and the like in the external environment entering the shell on the service life of the battery can be avoided, meanwhile, the installation reliability of the first shell and the second shell can be improved, the installation reliability of the battery cell module can be further improved, and the reliability of the whole structure of the battery is higher.
In some embodiments, the thickness of the flange is smaller than the thickness of the rim of the second housing, and two sides of the flange in the thickness direction and corresponding sides of the rim of the second housing are spaced apart from each other;
the width of the groove is smaller than the thickness of the edge of the first shell, and two side walls of the groove and corresponding sides of the edge of the first shell are spaced from each other.
In some embodiments, the groove is formed as an annular groove and the rim is an annular rim.
In some embodiments, an adhesive member is disposed between the groove and the flange.
In some embodiments, at least one guide portion is disposed on at least one of the first casing and the second casing, the battery cell module includes a mounting bracket and at least one battery cell mounted on the mounting bracket, and at least one avoidance notch for avoiding the guide portion is formed on the mounting bracket.
In some embodiments, the inner surface of the first housing has at least one extending portion extending toward the second housing, the extending portion has a locking hole formed thereon, the extending portion is opposite to the avoiding notch, and the inner surface of the second housing has at least one locking buckle fitted in the locking hole.
In some embodiments, the number of the battery cells is multiple, and the avoidance gap is located between two adjacent battery cells.
In some embodiments, the mounting bracket comprises: the battery cell protection device comprises a first support and a second support, wherein the second support is detachably connected with the first support, a plurality of battery cells are arranged between the first support and the second support, the avoidance notch comprises a first notch formed in the first support and a second notch formed in the second support, the first notch and the second notch are oppositely arranged, and the guide part is matched in at least one of the first notch and the second notch.
In some embodiments, at least one first insertion column extending toward the second support is disposed on the first support, an insertion hole is formed in the first insertion column, at least one second insertion column extending toward the first support is disposed on the second support, the second insertion column is fitted in the insertion hole, and the first insertion column and the second insertion column are abutted against the adjacent battery cell.
In some embodiments, the avoidance gaps include at least one third gap and at least one fourth gap, the third gap and the fourth gap are respectively formed on two opposite side surfaces of the mounting bracket, and the third gap and the fourth gap are arranged in a staggered manner along the length direction of the mounting bracket.
Additional aspects and advantages of the utility model 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 utility model.
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 diagram of a battery according to an embodiment of the present invention.
Fig. 2 is a schematic perspective exploded view of a battery according to an embodiment of the present invention.
Fig. 3 is a schematic perspective exploded view of a battery according to another embodiment of the present invention.
Fig. 4 is a schematic view of a first housing according to an embodiment of the utility model.
Fig. 5 is an enlarged view of the region P in fig. 4.
Fig. 6 is a schematic view of a second housing according to an embodiment of the utility model.
Fig. 7 is an enlarged view of the region Q in fig. 6.
Reference numerals:
a battery 100;
a first housing 10; a groove 11; a guide part 12; a first guide portion 121; an extension 13; a chucking hole 131;
a second housing 20; a flange 21; the second guide portion 22; a buckle 23;
a cell module 30; a mounting bracket 31; avoiding the notch 311; a first notch a; a second notch b; a third notch c; a fourth gap d; a first bracket 312; a first mating post 312 a; a second bracket 313; a second mating post 313 a; an electrical core 32;
a housing chamber 40;
a first direction a.
Detailed Description
Embodiments of the present invention are described in detail below, the embodiments described with reference to the drawings being exemplary, and a battery 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 7, the battery 100 including: first casing 10, second casing 20, electric core module 30.
Specifically, the edge of the first casing 10 is formed with a groove 11, the edge of the second casing 20 is provided with a convex edge 21, the convex edge 21 is in sealing fit in the groove 11, the first casing 10 and the second casing 20 jointly define a containing cavity 40, and the battery cell module 30 is arranged in the containing cavity 40.
As shown in fig. 1 to 7, a concave groove 11 that is concave inward (along the central axis direction of the battery cell 32) is provided on the edge where the first casing 10 and the second casing 20 are assembled, and a convex edge 21 that is convex outward (along the central axis direction of the battery cell 32) is provided on the edge where the second casing 20 is opposite thereto, and the concave groove 11 may be fitted with the convex edge 21.
According to the battery provided by the embodiment of the utility model, the groove 11 is arranged on the first shell 10, the convex edge 21 is arranged on the second shell 20, and the sealing property of the connection between the first shell 10 and the second shell 20 is improved through the matching of the groove 11 and the convex edge 21, so that the influence of dust and the like in the external environment entering the shell on the service life of the battery 100 can be avoided, meanwhile, the mounting reliability of the first shell 10 and the second shell 20 can be improved, and the mounting reliability of the battery cell module 30 can be further improved, so that the reliability of the whole structure of the battery 100 is higher.
Alternatively, as shown in fig. 5 and 7, the thickness of the rim 21 is smaller than that of the rim of the second housing 20, and both side surfaces in the thickness direction (direction perpendicular to the rim 21) of the rim 21 and the corresponding sides of the rim of the second housing 20 are spaced apart from each other, the width of the groove 11 is smaller than that of the rim of the first housing 10, and both side walls of the groove 11 and the corresponding sides of the rim of the first housing 10 are spaced apart from each other.
It can be understood that, the flange 21 of the second housing 20 is disposed in a direction (the first direction a) perpendicular to the edge of the second housing 20, and the thickness of the flange 21 is smaller than the thickness of the edge in the same direction, that is, two sides of the flange 21 in the first direction a are parallel to the plane where the edge is located, but not in the same plane, two sides of the flange 21 are located between two sides, and a space is provided between adjacent sides. Also, the groove 11 is in the direction perpendicular to the edge of the first housing 10, the thickness of the groove 11 is smaller than the thickness of the edge in the first direction a, the groove 11 can be fitted with the flange 21, and there is a space between the groove 11 and the edge of the first housing 10.
Therefore, by controlling the thickness of the groove 11 and the flange 21 to make the two housings stop against each other during assembly, the tightness of the connection between the first housing 10 and the second housing 20 is increased, and the assembled battery 100 has good sealing performance.
In the embodiment shown in fig. 4 and 6, the recess 11 is formed as an annular groove and the rim 21 is an annular rim 21. That is, at the edge where the first housing 10 contacts the second housing 20, the groove 11 and the protrusion 21 may extend along the edge.
Therefore, the annular groove and the annular convex edge 21 can restrict the displacement of the first shell 10 and the second shell 20 in the first direction a, so that the first shell 10 and the second shell 20 are connected more tightly, and the structural strength of the battery 100 can be improved.
Optionally, an adhesive member is disposed between the groove 11 and the flange 21. The adhesive may be applied to the end of the flange 21 facing away from the second housing 20, or may be applied to the groove 11 of the first housing 10, and the adhesive may be structural adhesive.
Therefore, the adhesive is arranged on the groove 11 and/or the convex edge 21, so that the connection strength of the convex edge 21 and the groove 11 after being matched is increased, the stability of connection between the first shell 10 and the second shell 20 is higher, and the risk that the battery cell 32 falls off due to insufficient fastening of the groove 11 and the convex edge 21 in the use process of the battery 100 is reduced.
Specifically, at least one guide portion 12 is disposed on at least one of the first casing 10 and the second casing 20, the battery cell module 30 includes a mounting bracket 31 and at least one battery cell 32 mounted on the mounting bracket 31, and at least one avoiding notch 311 for avoiding the guide portion 12 is formed on the mounting bracket 31.
As shown in fig. 2, a mounting bracket 31 is installed at the end of the battery cell 32, the battery cells 32 are detachably connected to the mounting bracket 31, an avoidance notch 311 is formed in the side surface of the mounting bracket 31, the avoidance notch 311 can be matched with the guide portion 12 arranged inside the casing and facing the battery cell module 30, and the central axis of the guide portion 12 is parallel to the central axis of the battery cell 32.
From this, through set up on installing support 31 and dodge breach 311 to and set up relative guide 12 with it on first casing 10, be convenient for electric core module 30 when with the casing adaptation, can carry on spacingly to electric core module 30, be convenient for electric core module 30 and first casing 10, the installation of second casing 20, avoid electric core module 30 holding the inside rocking of chamber 40, increase electric core module 30 and holding the inside stability in chamber 40.
In some embodiments, the inner surface of the first housing 10 has at least one extending portion 13 extending toward the second housing 20, the extending portion 13 has a locking hole 131, the extending portion 13 is opposite to the relief notch 311, and the inner surface of the second housing 20 has at least one locking buckle 23, and the locking buckle 23 is fitted in the locking hole 131.
As shown in fig. 3, an extension portion 13 is disposed on a side of a side wall of the first casing 10 close to the guide portion 12, one end of the extension portion 13 is connected to the side wall, the other end of the extension portion extends out of the first casing 10 along a central axis direction of the battery cell 32, a fastening hole 131 is formed on the end extending out of the first casing 10, a fastening 23 is disposed on a side wall of the second casing 20 opposite to the side wall, and the fastening 23 is formed on the side wall of the second casing 20. In the actual installation process, a side wall of the first housing 10 is provided with a fastening hole 131, another side wall opposite to the fastening hole 131 is provided with a fastening 23, a side wall of the second housing 20 adapted to the side wall of the first housing 10 provided with the fastening hole 131 is provided with the fastening 23, and a side wall of the second housing 20 adapted to the side wall of the first housing 10 provided with the fastening 23 is provided with the fastening hole 131.
Therefore, the clamping hole 131 and the buckle 23 are arranged in the first shell 10 or the second shell 20, so that the first shell 10 and the second shell 20 can be connected through the buckle 23 and the clamping hole 131, the connection and fixation mode is simple and easy to realize, and the connection stability is high.
Optionally, there are a plurality of battery cells 32, and the avoidance gap 311 is located between two adjacent battery cells 32. This is because a certain space is provided between the adjacent battery cells 32, and after the battery cells 32 are connected to the mounting bracket 31, the mounting bracket 31 located between the adjacent battery cells 32 may be provided with an avoidance notch 311.
From this, set up the breach 311 of dodging on installing support 31 between two adjacent electric cores 32 to make guide part 12 can be fully with dodging breach 311 adaptation, improve the utilization ratio to electric core module 30 space, with the compactness that increases battery 100 inner structure.
Specifically, as shown in fig. 2, the mounting bracket 31 includes: the battery pack comprises a first support 312, a second support 313, the second support 313 and the first support 312 are detachably connected, a plurality of battery cells 32 are arranged between the first support 312 and the second support 313, the avoidance notch 311 comprises a first notch a formed in the first support 312 and a second notch b formed in the second support 313, the first notch a and the second notch b are oppositely arranged, and the guide part 12 is matched in at least one of the first notch a and the second notch b.
Therefore, the first notch a and the second notch b are respectively formed in the first bracket 312 and the second bracket 313, and the first notch a and the second notch b are oppositely arranged, so that the guide part 12 positioned in the first casing 10 and the second casing 20 can be matched with the first notch a and the second notch b, the fixation of the guide part 12 to the mounting bracket 31 is increased, and the structure in the battery 100 is strengthened.
In the embodiment shown in fig. 2, at least one first insertion column 312a extending toward the second support 313 is disposed on the first support 312, an insertion hole is formed on the first insertion column 312a, at least one second insertion column 313a extending toward the first support 312 is disposed on the second support 313, the second insertion column 313a is fitted in the insertion hole, and the first insertion column 312a and the second insertion column 313a are abutted against the adjacent battery cell 32.
For example, a first inserting column 312a and a second inserting column 313a are respectively installed between a first gap a and a second gap b which are adjacently arranged at intervals, one end of the first inserting column 312a is fixed with the first bracket 312, the other end is provided with an inserting hole (not shown), one end of the second inserting column 313a is connected with the second bracket 313, and the other end can be matched with the first inserting column 312 a. The first mating post 312a and the second mating post 313a are abutted against each other, and the sidewalls of the two mating posts may contact the sidewalls of the adjacent battery cells 32.
Therefore, the first inserting column 312a and the second inserting column 313a are arranged on the first support 312 and the second support 313, and the first inserting column 312a and the second inserting column 313a are respectively connected with each other on the side departing from the mounting support 31, so that the structural strength between the first casing 10 and the second casing 20 is increased, and the phenomenon that the clamping force of the first casing 10 and the second casing 20 on the battery cell 32 is insufficient, so that the battery cell 32 in the battery cell module 30 falls off is avoided.
Further, as shown in fig. 2 and 3, the avoidance gaps 311 are plural, the plural avoidance gaps 311 include at least one third gap c and at least one fourth gap d, the third gap c and the fourth gap d are respectively formed on two opposite side surfaces of the mounting bracket 31, and the third gap c and the fourth gap d are arranged in a staggered manner along the length direction of the mounting bracket 31.
It can be understood that the plurality of battery cells 32 are uniformly arranged between the first support 312 and the second support 313 along a direction (a first direction a) perpendicular to the central axis of the battery cells 32, in the first direction a, the first notch a and the second notch b are relatively located on one side of the mounting support 31, and the third notch c and the fourth notch d are relatively located on the other side of the mounting support 31. The first notch a and the third notch c are respectively formed on two opposite sides of the first support 312, the second notch b and the fourth notch d are respectively formed on two opposite sides of the second support 313, and a certain included angle is formed between a plane where central lines (parallel to the central axis of the battery cell 32) of the first notch a, the second notch b, the third notch c and the fourth notch d are located and a plane where the bottom surface of the casing is located, or the plane where the central lines are located is parallel to the plane where the bottom surface of the casing is located.
Therefore, the third notch c and the fourth notch d are arranged on the mounting bracket 31 and on the opposite side of the first notch a and the second notch b, so that the gap between two adjacent battery cells 32 can be fully utilized, the internal structure compactness of the battery cell mold 30 is improved, and the problem that the stress on the two sides of the battery 100 along the first direction a is uneven to influence the use safety of the battery 100 is avoided.
In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
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 being "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 utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the utility model 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 utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery, comprising:
the edge of the first shell is provided with a groove;
the edge of the second shell is provided with a convex edge which is in sealing fit with the groove, and the first shell and the second shell jointly define an accommodating cavity;
the battery cell module is arranged in the accommodating cavity.
2. The battery according to claim 1, wherein the flange has a thickness smaller than that of the rim of the second case, and both sides in a thickness direction of the flange and corresponding sides of the rim of the second case are spaced apart from each other;
the width of the groove is smaller than the thickness of the edge of the first shell, and two side walls of the groove and corresponding sides of the edge of the first shell are spaced from each other.
3. The cell defined in claim 1, wherein the groove is formed as an annular groove and the bead is an annular bead.
4. The cell defined in claim 1, wherein an adhesive member is disposed between the groove and the flange.
5. The battery of any of claims 1-4, wherein at least one of the first housing and the second housing is provided with at least one guide;
the battery cell module comprises a mounting support and at least one battery cell mounted on the mounting support, and at least one avoiding notch used for avoiding the guide part is formed in the mounting support.
6. The battery of claim 5, wherein the inner surface of the first shell is provided with at least one extension part extending towards the second shell, the extension part is provided with a clamping hole, and the extension part is opposite to the avoiding notch;
at least one buckle is arranged on the inner surface of the second shell and matched in the clamping hole.
7. The battery of claim 5, wherein the plurality of battery cells are provided, and the avoidance gap is located between two adjacent battery cells.
8. The battery of claim 7, wherein the mounting bracket comprises:
a first bracket; and
the second support, the second support with first support detachably links to each other, and is a plurality of electric core all establishes first support with between the second support, dodge the breach including forming first breach on the first support with form the second breach on the second support, first breach with the second breach sets up relatively, the cooperation of guide part is in at least one in first breach with the second breach.
9. The battery according to claim 8, wherein the first support is provided with at least one first plug-in post extending toward the second support, the first plug-in post is formed with a plug-in hole, the second support is provided with at least one second plug-in post extending toward the first support, the second plug-in post is fitted into the plug-in hole, and the first plug-in post and the second plug-in post are abutted against the adjacent battery cell.
10. The battery according to claim 5, wherein the avoidance gaps are plural, the plural avoidance gaps include at least one third gap and at least one fourth gap, the third gap and the fourth gap are respectively formed on two opposite side surfaces of the mounting bracket, and the third gap and the fourth gap are arranged in a staggered manner along a length direction of the mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122085200.XU CN215578808U (en) | 2021-08-31 | 2021-08-31 | Battery with a battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122085200.XU CN215578808U (en) | 2021-08-31 | 2021-08-31 | Battery with a battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215578808U true CN215578808U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122085200.XU Active CN215578808U (en) | 2021-08-31 | 2021-08-31 | Battery with a battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215578808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976426A (en) * | 2022-05-31 | 2022-08-30 | 东莞新能安科技有限公司 | Battery case, battery and power consumption device |
-
2021
- 2021-08-31 CN CN202122085200.XU patent/CN215578808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976426A (en) * | 2022-05-31 | 2022-08-30 | 东莞新能安科技有限公司 | Battery case, battery and power consumption device |
| WO2023231670A1 (en) * | 2022-05-31 | 2023-12-07 | 东莞新能安科技有限公司 | Battery case, battery and electric apparatus |
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Address after: 361100 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Province Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: Room 201-1, Comprehensive Building 5#, No. 11, Butang Middle Road, Industrial Base, Xiamen Torch High-tech Zone (Tongxiang), Xiamen City, Fujian Province, 361012 Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |