CN218242036U - Battery pack and battery pack - Google Patents
Battery pack and battery pack Download PDFInfo
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- CN218242036U CN218242036U CN202222228038.7U CN202222228038U CN218242036U CN 218242036 U CN218242036 U CN 218242036U CN 202222228038 U CN202222228038 U CN 202222228038U CN 218242036 U CN218242036 U CN 218242036U
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- battery
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- thermal insulation
- elastic arm
- battery pack
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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 group battery and battery package, the group battery includes: the battery comprises a plurality of battery cells, a plurality of battery cells and a plurality of battery cells, wherein the plurality of battery cells are arranged at intervals and are arranged along a first direction; the heat insulation piece is arranged between two adjacent electric cores and comprises a heat insulation main body and elastic arms, and the elastic arms are arranged in the heat insulation main body and elastically matched with the electric cores. From this, through setting up the heat insulating part between two adjacent electric cores, make elastic arm and electric core elastic fit, can completely cut off the heat transfer of two adjacent electric cores guaranteeing the thermal-insulated main part of heat insulating part like this, under the security performance's of assurance group battery prerequisite, the elastic arm can correspond the thickness variation who absorbs the thickness tolerance of electric core and inflation production, promotes the working property of group battery.
Description
Technical Field
The utility model belongs to the technical field of the battery technique and specifically relates to a group battery and battery package are related to.
Background
The group battery comprises a plurality of electric cores, for avoiding a plurality of electric cores to influence each other, prevents that the thermal runaway phenomenon from taking place the diffusion, is provided with heat insulating part more between the electric core.
In the prior art, the structural function of the heat insulation piece is single, so that the working performance of the battery pack is poor.
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 battery pack, the heat insulating part of this battery pack can absorb electric core thickness tolerance and inflation size, and the structure is more excellent.
The utility model further provides a battery package.
According to the utility model discloses group battery, include: the battery comprises a plurality of battery cells, wherein the plurality of battery cells are arranged at intervals and are arranged along a first direction; the heat insulation piece is arranged between every two adjacent electric cores and comprises a heat insulation main body and elastic arms, and the elastic arms are arranged in the heat insulation main body and matched with the electric cores in an elastic mode.
From this, through setting up the heat insulating part between two adjacent electric cores, make elastic arm and electric core elastic fit, guarantee that the thermal-insulated main part of heat insulating part can completely cut off the heat transfer of two adjacent electric cores like this, under the prerequisite of the security performance of assurance group battery, the elastic arm can correspond the thickness tolerance who absorbs electric core and the thickness change that the inflation produced, promotes the working property of group battery.
According to the utility model discloses a some embodiments, electric core is in the both sides that the first direction is relative are provided with big face respectively, big face does the biggest face of surface area in the electric core, the heat insulating part sets up in adjacent two electric core between the big face.
According to some embodiments of the utility model, the elastic arm includes relative first end and the second end that sets up, the elastic arm by first end extremely the second end extends the setting to a lopsidedness of keeping away from the thermal-insulated main part, first end with the thermal-insulated main part links to each other, the second end keep away from the thermal-insulated main part and with the cooperation of big face elasticity butt.
According to some embodiments of the utility model, the second end of elastic arm is provided with butt portion, butt portion is relative elastic arm buckles and sets up, butt portion with the laminating of big face.
According to some embodiments of the invention, the second end of the resilient arm is adjacent to a centerline of the thermally insulating body compared to the first end of the resilient arm.
According to some embodiments of the utility model, the thermal-insulated main part orientation at least one side of electricity core is provided with at least one the elastic arm, works as one side of thermal-insulated main part is provided with a plurality of when the elastic arm, it is a plurality of the elastic arm is in interval setting is gone up in the thermal-insulated main part.
According to some embodiments of the utility model, the thermal-insulated main part orientation at least one side of electricity core is provided with two the elastic arm, two the elastic arm sets up along the relative and interval of second direction, two the elastic arm the second end is close to each other, and two the elastic arm about the thermal-insulated main part perpendicular to the median plane symmetry of second direction sets up, the second direction perpendicular to first direction.
According to some embodiments of the utility model, the thermal-insulated main part includes first side and the second side relative with the first direction, first side and adjacent two one in the electric core the big face is laminated mutually, the second side is provided with at least one the elastic arm, the elastic arm with adjacent two another in the electric core big face elasticity butt cooperation, or the thermal-insulated main part includes first side and the second side relative with the first direction, first side and second side all are provided with at least one the elastic arm, first side the elastic arm with adjacent two one in the electric core big face elasticity butt cooperation, the second side the elastic arm with adjacent two another in the electric core big face elasticity butt cooperation.
According to some embodiments of the present invention, the heat insulation main body comprises a heat insulation plate and a frame, the frame is disposed at two ends of the heat insulation plate in a second direction, the frame extends toward the battery cell and is adapted to the battery cell, and two ends of the heat insulation plate in a third direction form a release notch; and/or the frame is also arranged at one end of the heat insulation plate in a third direction, a release notch is formed at the other end of the heat insulation plate in the third direction, and the third direction is perpendicular to the first direction and the second direction.
According to the utility model discloses battery package, include: the battery pack described above.
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 partial schematic view of a battery pack according to an embodiment of the present invention;
fig. 2 is a partial exploded view of a battery pack according to an embodiment of the present invention;
FIG. 3 is a schematic view of a thermal shield according to an embodiment of the present invention;
fig. 4 is a partial schematic view of a battery pack according to another embodiment of the present invention;
FIG. 5 is a schematic view of an insulation element according to another embodiment of the present invention;
fig. 6 is a schematic view of an insulation element according to another embodiment of the present invention.
Reference numerals:
100. a battery pack;
10. an electric core; 11. large surface;
20. a thermal insulation member; 21. a thermally insulating body; 211. a heat insulation plate; 212. a frame; 2121. releasing the notch; 213. a first side; 214. a second side; 22. a resilient arm; 221. a first end; 222. a second end; 2221. an abutment portion.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
The battery pack 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6, and the battery pack 100 may employ a battery pack.
As shown in fig. 1 to 6, a battery pack 100 according to an embodiment of the present invention may mainly include: the battery cell comprises a plurality of battery cells 10 and a heat insulating part 20, wherein the battery cells 10 are arranged in a plurality of intervals and are arranged along a first direction, the heat insulating part 20 is arranged between two adjacent battery cells 10, the heat insulating part 20 may mainly comprise a heat insulating main body 21 and an elastic arm 22, and the elastic arm 22 is arranged in the heat insulating main body 21 and is elastically matched with the battery cells 10.
Specifically, a plurality of battery cells 10 in the battery pack 100 are arranged at intervals and arranged along a first direction, heat of the plurality of battery cells 10 may affect each other, and by arranging the heat insulating member 20 between two adjacent battery cells 10, the heat insulating main body 21 of the heat insulating member 20 may effectively insulate heat transfer between two adjacent battery cells 10, and if any adjacent battery cell 10 is out of control, the heat insulating main body 21 may insulate that the out of control spreads to the adjacent battery cell 10, so that the safety performance of the battery pack 100 may be improved.
Further, by disposing the elastic arm 22 on the heat insulation main body 21, and making the elastic arm 22 elastically fit with the battery cell 10, on the one hand, the elastic arm 22 can absorb the thickness tolerance of the battery cell 10, so as to reduce the assembly difficulty of the battery pack 100, and on the other hand, when the battery cell 10 expands due to long-term use, the elastic arm 22 can elastically deform to correspondingly absorb the thickness change caused by the expansion of the battery cell 10, so as to improve the working performance of the battery pack 100.
From this, through setting up heat insulating part 20 between two adjacent electric cores 10, make elastic arm 22 and electric core 10 elastic fit, guarantee that heat insulating body 21 of heat insulating part 20 can completely cut off the heat transfer of two adjacent electric cores 10 like this, guarantee under the prerequisite of the security performance of group battery 100, elastic arm 22 can correspond the thickness variation who absorbs the thickness tolerance of electric core 10 and inflation production, promote the working property of group battery 100.
Referring to fig. 1, 2 and 4, the battery cells 10 are respectively provided with large surfaces 11 at two opposite sides in the first direction, the large surfaces 11 are surfaces with the largest surface area in the battery cells 10, and the heat insulation member 20 is disposed between the large surfaces 11 of two adjacent battery cells 10. Specifically, two sides of the battery cell 10 in the first direction are respectively provided with the large surfaces 11, where the large surfaces 11 are surfaces with the largest surface area in the battery cell 10, on one hand, the large surfaces 11 may serve as main heat dissipation surfaces of the battery cell 10, and by disposing the heat insulation member 20 between the large surfaces 11 of two adjacent battery cells 10, the heat insulation member 20 may effectively isolate heat transfer between the two adjacent battery cells 10, so as to improve safety performance of the battery pack 100, and on the other hand, in long-term use, the large surfaces 11 of the battery cells 10 may expand along the first direction, and by disposing the heat insulation member 20 between the two large surfaces 11 of the adjacent battery cells 10, the heat insulation member 20 may correspondingly absorb thickness changes in the first direction caused by expansion of the battery cells 10, so as to further improve working performance of the battery pack 100.
As shown in fig. 1, 2 and 4, the elastic arm 22 may include a first end 221 and a second end 222, which are oppositely disposed, the elastic arm 22 is disposed to extend obliquely from the first end 221 to the second end 222 to a side away from the insulating main body 21, the first end 221 is connected to the insulating main body 21, and the second end 222 is away from the insulating main body 21 and is elastically abutted to and engaged with the large surface 11. Specifically, the first end 221 of the elastic arm 22 is connected to the heat insulation body 21, and the elastic arm 22 extends obliquely from the first end 221 to the second end 222 to a side away from the heat insulation body 21, so that when the heat insulation member 20 is disposed between two adjacent battery cells 10, the second end 222 of the elastic arm 22 can be elastically abutted and matched with the large surface 11 of the battery cell 10, and the second end 222 of the elastic arm 22 can be elastically deformed to a side close to the heat insulation body 21 under the action of pressure, different points in the length of the elastic arm 22 can provide different moments, so that the elastic arm 22 can correspondingly absorb thickness variations caused by the thickness tolerance and expansion of the battery cell 10, and the structure of the elastic arm 22 can be made simpler.
Further, as shown in fig. 1 to 6, the second end 222 of the elastic arm 22 is provided with an abutting portion 2221, the abutting portion 2221 is bent relative to the elastic arm 22, and the abutting portion 2221 is attached to the large surface 11. Specifically, the second end 222 of the elastic arm 22 cooperates with the elastic abutment of the battery cell 10, the abutting portion 2221 is disposed on the second end 222 of the elastic arm 22, and the abutting portion 2221 is bent relative to the elastic arm 22, so that the abutting portion 2221 can be fitted to the large surface 11 of the battery cell 10, and the abutting area between the elastic arm 22 and the large surface 11 is increased, so that the elastic cooperation between the second end 222 of the elastic arm 22 and the large surface 11 of the battery cell 10 is more stable and reliable, the elastic deformation process of the elastic arm 22 is more stable, and the structural design of the elastic arm 22 can be further optimized.
Referring to fig. 1-6, second end 222 of resilient arm 22 is proximate to the centerline of insulating body 21 as compared to first end 221 of resilient arm 22. Specifically, under the condition of long-term use of the battery cell 10, the expansion amount of the middle portion is the largest, the expansion amount of the edge is relatively smaller, and the second end 222 of the elastic arm 22 is closer to the center line of the insulating main body 21 than the first end 221, so that when the elastic arm 22 deforms, the deformable amount of the elastic arm 22 gradually increases from the first end 221 to the second end 222, and the maximum deformation amount is close to the center line of the insulating main body 21, so that the elastic arm 22 can provide gradually decreasing torque from the middle portion to the edge for the large surface 11 of the battery cell 10, and the elastic arm 22 can conform to the expansion amounts of different portions of the battery cell 10, thereby improving the thickness uniformity of different portions of the battery cell 10, and thus improving the working performance of the battery cell 10 and thus the battery pack 100.
As shown in fig. 3, 5 and 6, at least one elastic arm 22 is disposed on at least one side of the insulating body 21 facing the battery cell 10, and when a plurality of elastic arms 22 are disposed on one side of the insulating body 21, the plurality of elastic arms 22 are disposed at intervals on the insulating body 21. Specifically, at least one elastic arm 22 may be disposed on at least one side of the thermal insulation body 21 facing the battery cells 10, so that when the thermal insulation member 20 is disposed between the large faces 11 of two adjacent battery cells 10, the at least one elastic arm 22 on at least one side of the thermal insulation body 21 may elastically abut against the large face 11 of the battery cell 10, thereby enabling the thermal insulation member 20 to absorb thickness tolerance of the battery cells 10 and thickness variation after expansion.
Further, when the plurality of elastic arms 22 are disposed on one side of the heat insulation main body 21, the plurality of elastic arms 22 are disposed on the heat insulation main body 21 at intervals, so that the plurality of elastic arms 22 can provide pressure for the large surface 11 of the battery cell 10, and the pressure distribution of the plurality of elastic arms on the large surface 11 of the battery cell 10 can be more uniform, thereby improving the effect of absorbing the thickness variation caused by the thickness tolerance and expansion of the battery cell 10 by the heat insulation member 20, and improving the working performance of the heat insulation member 20.
Further, as shown in fig. 3, 5 and 6, at least one side of the thermal insulation main body 21 facing the electric core 10 is provided with two elastic arms 22, the two elastic arms 22 are disposed oppositely and at intervals along the second direction, the second ends 222 of the two elastic arms 22 are close to each other, and the two elastic arms 22 are symmetrically disposed about a perpendicular plane perpendicular to the second direction perpendicular to the first direction of the thermal insulation main body 21.
Specifically, two elastic arms 22 may be disposed on at least one side of the thermal insulation body 21 facing the battery cell 10, a direction in which the two elastic arms 22 are disposed at intervals is defined as a second direction, the second direction is perpendicular to the first direction, by disposing the two elastic arms 22 opposite to each other along the second direction, the second ends 222 of the two elastic arms 22 are close to each other, and the two elastic arms 22 are disposed symmetrically with respect to a perpendicular plane of the thermal insulation body 21 perpendicular to the second direction, such that the second ends 222 of the two elastic arms 22 can both correspond to a middle position of the battery cell 10, that is, a maximum expansion position of the battery cell 10, and due to the inclined disposition of the elastic arms 22, such that moments of the two elastic arms 22 to the battery cell 10 can be made to conform to expansion amounts of different portions of the battery cell 10, thereby further enhancing an effect of the thermal insulation member 20 on absorbing thickness changes caused by expansion of the battery cell 10, enhancing the working performance of the thermal insulation member 20, and enhancing the working performance of the battery pack 100.
In some embodiments of the present invention, as shown in fig. 1 to fig. 3, the thermal insulation main body 21 may include a first side 213 and a second side 214 opposite to the first direction, the first side 213 is attached to the large surface 11 of one of the two adjacent electric cores 10, the second side 214 is provided with at least one elastic arm 22, the elastic arm 22 is in elastic abutting fit with the large surface 11 of the other of the two adjacent electric cores 10, so that the thermal insulation main body 21 can isolate heat transfer between the two adjacent electric cores 10, and the elastic arm 22 on the second side 214 can absorb thickness tolerance and expansion size of the electric core 10, so as to effectively reduce the size of the battery pack 100 in the first direction, improve the structural compactness of the battery pack 100, and reduce the volume of the battery pack 100.
In other embodiments of the present invention, as shown in fig. 4 to fig. 6, the thermal insulation main body 21 may include a first side 213 and a second side 214 opposite to the first direction, the first side 213 and the second side 214 are both provided with at least one elastic arm 22, the elastic arm 22 of the first side 213 is in elastic abutting fit with the large surface 11 of one of the two adjacent battery cells 10, and the elastic arm 22 of the second side 214 is in elastic abutting fit with the large surface 11 of the other of the two adjacent battery cells 10, so that on the premise that the thermal insulation main body 21 can isolate heat transfer between the two adjacent battery cells 10, the elastic arms 22 on the first side 213 and the second side 214 can absorb the thickness tolerance and the expansion dimension of the battery cells 10, so as to improve the absorption effect of the thermal insulation member 20 on the thickness tolerance and the collision dimension of the battery cells 10, and further improve the working performance of the battery pack 100.
As shown in fig. 1, fig. 3, fig. 4 and fig. 6, the thermal insulation body 21 may mainly include a thermal insulation board 211 and a frame 212, where the frame 212 is disposed at two ends of the thermal insulation board 211 in the second direction, the frame 212 extends toward the battery cell 10 and is adapted to the battery cell 10, and two ends of the thermal insulation board 211 in the third direction form release notches 2121; and/or the frame 212 is further disposed at one end of the heat insulation board 211 in a third direction, and the other end of the heat insulation board 211 in the third direction is formed with a release notch 2121, the third direction being perpendicular to the first direction and perpendicular to the second direction.
Specifically, when the thermal insulation main body 21 is disposed between the large surfaces 11 of two adjacent battery cells 10, the thermal insulation board 211 corresponds to the large surface 11, and the frame 212 extends toward the battery cell 10, so that the frame 212 is adapted to the battery cell 10, and thus when the battery cell 10 expands, the frame 212 may contact the large surface 11, and a sealed space may be formed between the thermal insulation main body 21 and the battery cell 10, so as to prevent thermal runaway from spreading to the adjacent battery cell 10, and improve the safety performance of the battery pack 100.
Further, it is defined that the third direction is perpendicular to the first direction and perpendicular to the second direction, and optionally, two ends of the third direction of the thermal insulation board 211 form a release notch 2121, or one end of the third direction of the thermal insulation board 211 is further provided with a frame 212, and the other end of the third direction of the thermal insulation board 211 forms the release notch 2121, so that not only the formation of the release notch 2121 is simpler and more convenient, and the structure of the thermal insulation board 211 is simpler, but also when the thermal runaway occurs in the electric core 10 adjacent to the thermal insulation piece 20, the thermal runaway thermal flow can be released from the release notch 2121 in time, thereby realizing the directional release of the thermal flow, reducing the spread range of the thermal runaway, and further improving the safety performance of the battery pack 100.
In some embodiments of the present invention, the thermal insulation body 21 and the elastic arm 22 are configured as an integrally formed thermal insulation member 20. Specifically, the thermal insulation main body 21 may be set as a modified plastic thermal insulation main body, and the elastic arm 22 may be set as a modified plastic elastic arm, at this time, the thermal insulation main body 21 and the elastic arm 22 may be configured as the thermal insulation element 20 formed integrally, so as to simplify the production process of the thermal insulation element 20, reduce the production cost of the thermal insulation element 20, and further simplify the structure of the thermal insulation element 20, thereby facilitating the assembly of the thermal insulation element 20 in the battery pack 100.
In other embodiments of the present invention, the thermal insulation body 21 and the elastic arm 22 are welded. Specifically, the heat insulation body 21 may be a metal heat insulation body, and the elastic arm 22 may be a metal elastic arm, and at this time, the heat insulation body 21 and the elastic arm 22 may be welded and connected, so that the heat insulation member 20 as a whole participates in the assembly of the battery pack 100, and the assembly of the heat insulation member 20 in the battery pack 100 is more simple and convenient.
In still other embodiments of the present invention, the heat insulating body 21 and the elastic arm 22 are connected by a snap-fit, or the heat insulating body 21 and the elastic arm 22 are connected by an adhesive. Specifically, the thermal insulation body 21 may be configured as a modified plastic thermal insulation body, and the elastic arm 22 may be configured as a metal elastic arm, at this time, the thermal insulation body 21 and the elastic arm 22 may be clamped or bonded, so that the thermal insulation member 20 as a whole participates in the assembly of the battery pack 100, and the assembly of the thermal insulation member 20 in the battery pack 100 is simpler and more convenient.
When the heat insulating body 21 is a metal heat insulating body and/or the elastic arm 22 is a metal elastic arm, insulation and heat conduction of metal parts need to be considered, so that the heat insulating performance of the heat insulating material 20 is ensured, and the normal operation of the heat insulating material 20 is ensured.
According to the utility model discloses battery package can include: the battery pack 100 described above. Specifically, the assembly of the battery pack 100 is simple, thermal runaway can be effectively prevented, thickness variation caused by thickness tolerance and expansion of the battery cell 10 is absorbed, and the battery pack 100 is applied to a battery pack, so that not only can the assembly of the battery pack be simplified, but also the working performance of the battery pack can be effectively improved, and the safety performance of the battery pack is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for 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 thus, should not be construed as limiting the present invention.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
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 battery pack (100), comprising:
the battery comprises a plurality of battery cells (10), wherein the battery cells (10) are arranged at intervals and are arranged along a first direction;
the battery cell structure comprises a heat insulation piece (20), wherein the heat insulation piece (20) is arranged between two adjacent battery cells (10), the heat insulation piece (20) comprises a heat insulation main body (21) and an elastic arm (22), and the elastic arm (22) is arranged in the heat insulation main body (21) and matched with the battery cells (10) in an elastic mode.
2. The battery pack (100) according to claim 1, wherein the battery cells (10) are respectively provided with large faces (11) at two opposite sides in the first direction, the large faces (11) are the faces with the largest surface area in the battery cells (10), and the thermal insulation member (20) is arranged between the large faces (11) of two adjacent battery cells (10).
3. The battery pack (100) according to claim 2, wherein the elastic arm (22) comprises a first end (221) and a second end (222) which are oppositely arranged, the elastic arm (22) extends obliquely from the first end (221) to the second end (222) to a side far away from the thermal insulation main body (21), the first end (221) is connected with the thermal insulation main body (21), and the second end (222) is far away from the thermal insulation main body (21) and is in elastic abutting fit with the large surface (11).
4. The battery pack (100) according to claim 3, wherein the second end of the elastic arm (22) is provided with an abutting part (2221), the abutting part (2221) is bent relative to the elastic arm (22), and the abutting part (2221) is in face fit with the large surface (11).
5. Battery pack (100) according to claim 3, characterized in that the second end (222) of the resilient arm (22) is adjacent to the median line of the insulating body (21) compared to the first end (221) of the resilient arm (22).
6. The battery pack (100) according to claim 3, wherein the at least one side of the thermal insulation body (21) facing the battery cell (10) is provided with at least one of the resilient arms (22), and when one side of the thermal insulation body (21) is provided with a plurality of the resilient arms (22), the plurality of resilient arms (22) are spaced apart on the thermal insulation body (21).
7. The battery pack (100) according to claim 6, wherein the thermal insulation body (21) is provided with two of the elastic arms (22) toward at least one side of the battery cell (10), the two elastic arms (22) are oppositely and spaced apart in a second direction, the second ends (222) of the two elastic arms (22) are close to each other, and the two elastic arms (22) are symmetrically arranged with respect to a median normal of the thermal insulation body (21) perpendicular to the second direction, which is perpendicular to the first direction.
8. The battery pack (100) of claim 6, wherein the insulating body (21) comprises a first side (213) and a second side (214) opposite to the first direction, the first side (213) abutting against the large face (11) of one of the two adjacent cells (10), the second side (214) being provided with at least one of the resilient arms (22), the resilient arm (22) being in resilient abutting engagement with the large face (11) of the other of the two adjacent cells (10), or
The heat insulation main body (21) comprises a first side (213) and a second side (214) opposite to the first direction, the first side (213) and the second side (214) are respectively provided with at least one elastic arm (22), the elastic arm (22) of the first side (213) is in elastic butt fit with the large face (11) of one of the two adjacent battery cells (10), and the elastic arm (22) of the second side (214) is in elastic butt fit with the large face (11) of the other one of the two adjacent battery cells (10).
9. The battery pack (100) according to claim 6, wherein the thermal insulation body (21) comprises a thermal insulation board (211) and a frame (212), the frame (212) is disposed at two ends of the thermal insulation board (211) in the second direction, the frame (212) extends towards the electric core (10) and is adapted to the electric core (10), and two ends of the thermal insulation board (211) in the third direction form a release notch (2121); and/or
The frame (212) is further arranged at one end of the heat insulation board (211) in a third direction, a release notch (2121) is formed at the other end of the heat insulation board (211) in the third direction, and the third direction is perpendicular to the first direction and perpendicular to the second direction.
10. A battery pack, comprising: the battery pack (100) of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222228038.7U CN218242036U (en) | 2022-08-23 | 2022-08-23 | Battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222228038.7U CN218242036U (en) | 2022-08-23 | 2022-08-23 | Battery pack and battery pack |
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| Publication Number | Publication Date |
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| CN218242036U true CN218242036U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222228038.7U Active CN218242036U (en) | 2022-08-23 | 2022-08-23 | Battery pack and battery pack |
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| CN (1) | CN218242036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022129116A1 (en) | 2022-11-03 | 2024-05-08 | Huhn Holding GmbH | Battery cell device |
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2022
- 2022-08-23 CN CN202222228038.7U patent/CN218242036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022129116A1 (en) | 2022-11-03 | 2024-05-08 | Huhn Holding GmbH | Battery cell device |
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