CN219086079U - Cylindrical battery module and battery pack - Google Patents
Cylindrical battery module and battery pack Download PDFInfo
- Publication number
- CN219086079U CN219086079U CN202222567985.9U CN202222567985U CN219086079U CN 219086079 U CN219086079 U CN 219086079U CN 202222567985 U CN202222567985 U CN 202222567985U CN 219086079 U CN219086079 U CN 219086079U
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- cylindrical battery
- temperature control
- cavity
- battery module
- control plate
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- 238000009434 installation Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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 cylindrical battery module and a battery pack, and relates to the field of battery modules. The cylindrical battery module comprises a temperature control plate and a cylindrical battery, wherein a heat exchange cavity for accommodating a heat exchange medium is formed in the temperature control plate, an installation cavity recessed into the heat exchange cavity is formed in the outer surface of one side wall of the temperature control plate, and one end of the cylindrical battery is embedded into the installation cavity. The cylindrical battery module provided by the utility model has a better thermal management effect.
Description
Technical Field
The utility model relates to the field of battery modules, in particular to a cylindrical battery module and a battery pack.
Background
At present, a cylindrical battery module in the market is generally provided with a flow channel for cooling liquid to flow on the inner side wall of the module, so that the heat exchange between the cooling liquid and the side wall of the cylindrical battery is realized, and the thermal management of the module is realized.
In practical application, the heat exchange is performed only through the side wall of the cylindrical battery, so that the heat exchange efficiency is low, and the heat management effect is poor.
Disclosure of Invention
The utility model aims to provide a cylindrical battery module which has better heat management effect.
Another object of the present utility model is to provide a battery pack having a better thermal management effect.
The utility model provides a technical scheme that:
the utility model provides a cylinder battery module, includes temperature control board and cylinder battery, the inside of temperature control board is provided with the heat transfer cavity that is used for holding heat exchange medium, the surface of one side lateral wall of temperature control board is provided with the recess the installation die cavity of heat transfer cavity, the one end embedding of cylinder battery in the installation die cavity.
Further, the side wall of the cylindrical battery is in contact with the side wall of the mounting cavity, and/or,
the end wall of the cylindrical battery is in contact with the bottom wall of the mounting cavity.
Further, a gap exists between the bottom wall of the installation cavity and the inner surface of the side wall of the temperature control plate, which is away from the installation cavity.
Furthermore, the number of the cylindrical batteries and the number of the installation cavities are multiple, gaps exist between the side walls of any two adjacent installation cavities, and the cylindrical batteries are respectively embedded into the installation cavities correspondingly.
Further, a plurality of mounting cavities form a plurality of cavity rows sequentially arranged along a first horizontal direction on the temperature control plate, the plurality of cavity rows comprise a plurality of mounting cavities sequentially arranged along a second horizontal direction, and the first horizontal direction and the second horizontal direction form an included angle;
and a plurality of installation cavities corresponding to any two adjacent cavity rows are arranged in a staggered manner in the first horizontal direction.
Further, the cylindrical battery module further comprises an upper cover, the upper cover covers the temperature control plate and encloses a storage space with one side of the mounting cavity, which is provided with the control Wen Banao, and the cylindrical battery is accommodated in the storage space.
Further, a positioning notch is concavely arranged on the periphery of the upper cover, a positioning column is convexly arranged on one side of the mounting cavity, which is arranged on the control Wen Banao, and the positioning column is embedded into the positioning notch.
Further, the cylindrical battery module further comprises a heat insulation plate, and the heat insulation plate is arranged on one side, away from the mounting cavity, of the temperature control plate and is connected with the temperature control plate.
Further, the temperature control plate is provided with a liquid inlet and a liquid outlet which are respectively communicated with the heat exchange cavity.
The utility model also provides a battery pack, which comprises the cylindrical battery module, wherein the cylindrical battery module comprises a temperature control plate and a cylindrical battery, a heat exchange cavity for accommodating a heat exchange medium is formed in the temperature control plate, an installation cavity recessed into the heat exchange cavity is formed in the outer surface of one side wall of the temperature control plate, and one end of the cylindrical battery is embedded into the installation cavity.
Compared with the prior art, the cylindrical battery module provided by the utility model has the advantages that the heat exchange cavity for accommodating the heat exchange medium is formed in the temperature control plate, the installation cavity recessed into the heat exchange cavity is formed in the outer surface of the side wall of one side of the temperature control plate, and one end of the cylindrical battery is embedded into the installation cavity. In practical application, heat exchange medium can realize the common heat transfer to the end wall and the lateral wall of cylinder battery through the diapire and the lateral wall of installation die cavity in the heat transfer cavity, compares in the prior art that only can pass through the lateral wall heat transfer, and the heat transfer point position obtains increasing, and heat transfer area obtains promoting, can promote thermal management effect by a wide margin. Therefore, the cylindrical battery module provided by the utility model has the beneficial effects that: has better heat management effect.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. Other relevant drawings may be made by those of ordinary skill in the art without undue burden from these drawings.
Fig. 1 is an exploded view of a cylindrical battery module according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view of a connection structure of the temperature control plate and the cylindrical battery in fig. 1.
Icon: 100-a cylindrical battery module; 110-an upper cover; 111-positioning a notch; 120-cylindrical battery; 130-a temperature control plate; 131-a heat exchange chamber; 132-mounting a cavity; 133-positioning columns; 140-heat insulation board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes specific embodiments of the present utility model in detail with reference to the drawings.
Examples
Referring to fig. 1, fig. 1 is a schematic exploded view of a cylindrical battery module 100 according to the present embodiment.
The battery module that this embodiment provided, including upper cover 110, cylindrical battery 120, accuse temperature board 130 and heat insulating board 140, the quantity of cylindrical battery 120 is a plurality of, a plurality of cylindrical battery 120 installation location are installed on accuse temperature board 130, upper cover 110 cover is established on accuse temperature board 130, enclose into accommodation space with accuse temperature board 130, a plurality of cylindrical battery 120 holding is in this accommodation space, the effect to the heating or the cooling of cylindrical battery 120 is played to accuse temperature board 130, heat insulating board 140 sets up in the bottom of accuse temperature board 130, play thermal-insulated effect, prevent heat or cold volume from leaking.
Referring to fig. 2 in combination, fig. 2 is a cross-sectional view showing a connection structure of the temperature control plate 130 and the cylindrical battery 120.
The inside of the temperature control plate 130 is provided with a heat exchange cavity 131 for accommodating heat exchange media, the outer surface of one side wall of the temperature control plate 130, which is away from the heat insulation plate 140, is concavely provided with a plurality of installation cavities 132, a plurality of entity structures forming the installation cavities 132 extend into the heat exchange cavity 131, and one ends of the cylindrical batteries 120 are respectively embedded into the installation cavities 132, so that positioning and arrangement on the temperature control plate 130 are realized.
The heat exchange medium may be a liquid medium such as water having a certain amount of cooling or heating, and in practical application, when the heat exchange medium is introduced into the heat exchange chamber 131, the side walls and the bottom wall of the installation cavity 132 are surrounded by the heat exchange medium, and the heat exchange medium exchanges heat with the cylindrical battery 120 through the side walls and the bottom wall of the installation cavity 132.
The end wall and the side wall of the cylindrical battery 120 extending into the mounting cavity 132 are subjected to heat exchange, so that the heat exchange efficiency is greatly improved, the heat exchange is more uniform, and the thermal management effect of the battery module is greatly improved.
In order to further improve the heat exchange efficiency, in this embodiment, by presetting the dimensions of the installation cavity 132 and the cylindrical battery 120, the side wall of the cylindrical battery 120 contacts with the side wall of the installation cavity 132, and the end wall of the cylindrical battery 120 contacts with the bottom wall of the installation cavity 132, that is, the side wall and the end wall of the cylindrical battery 120 can directly participate in heat exchange.
In other embodiments, the relative dimensions of the mounting cavity 132 and the cylindrical battery 120 may also be adjusted according to practical application conditions such that only the end wall of the cylindrical battery 120 contacts the bottom wall of the mounting cavity 132, or only the side wall of the cylindrical battery 120 contacts the side wall of the mounting cavity 132.
In order to ensure the heat transfer effect, the side walls and the bottom wall of the mounting cavity 132 need to have good heat conducting performance, so in this embodiment, the temperature control plate 130 is made of aluminum alloy, and in other embodiments, the temperature control plate 130 may be made of other materials with high heat conductivity coefficients according to practical application conditions.
In order to ensure that the bottom wall of the installation cavity 132 can be fully contacted with the heat exchange medium in practical application to increase the heat transfer area, in this embodiment, a gap exists between the bottom wall of the installation cavity 132 and the inner surface of the side wall of the temperature control plate 130 facing away from the installation cavity 132.
Because there is a clearance between the bottom wall of the installation cavity 132 and the inner surface of the side wall of the temperature control plate 130 facing away from the installation cavity 132, in practical application, the heat exchange medium in the heat exchange cavity 131 can be in direct contact with the side wall of the installation cavity 132 and also can be in direct contact with the bottom wall of the installation cavity 132, and the heat exchange effect is further improved.
It should be understood that, in this embodiment, the inner surface refers to the surface of each side wall of the temperature control plate 130 surrounding the heat exchange chamber 131, and the outer surface refers to the surface of each side wall of the temperature control plate 130 away from the heat exchange chamber 131.
In order to make the plurality of cylindrical batteries 120 and the heat exchange medium exchange heat uniformly, the adjacent cylindrical batteries 120 are prevented from interfering with each other, in this embodiment, gaps exist between the side walls of any two adjacent installation cavities 132, and the heat exchange medium flows between the gaps formed by the side walls of the plurality of groups of two adjacent installation cavities 132, so that uniform heat exchange of the plurality of cylindrical batteries 120 is realized.
In order to solve this problem, in the present embodiment, a plurality of mounting cavities 132 form a plurality of cavity rows sequentially arranged along a first horizontal direction on the temperature control plate 130, each of the plurality of cavity rows includes a plurality of mounting cavities 132 sequentially arranged along a second horizontal direction, and a plurality of mounting cavities 132 corresponding to any two adjacent cavity rows are arranged offset in the first horizontal direction, in consideration of that the heat or cold obtained by the upstream cylindrical battery 120 is slightly greater than that obtained by the downstream cylindrical battery 120 in the flow direction of the heat exchange medium.
The first horizontal direction and the second horizontal direction form an included angle, and it should be noted that, the first horizontal direction and the second horizontal direction are both directions parallel to the plane where the temperature control plate 130 is located. In this embodiment, the temperature control plate 130 is located in a horizontal plane, and the first horizontal direction and the second horizontal direction are parallel to the horizontal plane. In other embodiments, the temperature control plate 130 may be in other states that form an angle with the horizontal plane, in which case the first horizontal direction and the second horizontal direction also form an angle with the horizontal plane.
The plurality of installation cavities 132 corresponding to any two adjacent cavity rows are arranged in a staggered manner in the first horizontal direction, namely, any two adjacent cylindrical batteries 120 are arranged in a staggered manner in the first horizontal direction, so that more areas of the fluid section of the heat exchange medium in the first horizontal direction participate in heat exchange, and heat or cold obtained by the two adjacent cylindrical batteries 120 in the first horizontal direction is more balanced.
In this embodiment, the temperature control plate 130 is provided with a liquid inlet (not shown in the figure) and a liquid outlet (not shown in the figure) respectively communicated with the heat exchange chamber 131, the liquid inlet is used for introducing external heat exchange medium into the heat exchange chamber 131 for internal reference and heat exchange, and the liquid outlet is used for outputting the heat exchange medium after the internal reference and heat exchange of the heat exchange chamber 131 to the outside, so that heat exchange circulation can be realized through an external circulation pipeline.
In order to ensure good heat insulation performance, the heat insulation board 140 needs to be made of a material with low heat conductivity coefficient, and may be a plastic material such as PC, PET, or a heat insulation material such as foaming PU. In this embodiment, a plurality of mounting holes are formed on the periphery of the thermal insulation board 140, a plurality of threaded holes are correspondingly formed on the temperature control board 130, and the thermal insulation board 140 is connected with the temperature control board 130 through a plurality of screws.
The upper cover 110 may be made of plastic materials such as PC and PPO with insulating properties. With continued reference to fig. 1, in order to facilitate connection between the upper cover 110 and the temperature control plate 130, in this embodiment, a positioning notch 111 is concavely formed on the periphery of the upper cover 110, and a positioning post 133 is convexly formed on one side of the temperature control plate 130 concavely formed with the mounting cavity 132, where the positioning post 133 is embedded into the positioning notch 111.
In fact, the two opposite sides of the periphery of the upper cover 110 are both concavely provided with positioning notches 111, and correspondingly, the two opposite sides of the periphery of the temperature control plate 130 are both convexly provided with positioning posts 133, and the positioning of the upper cover 110 on the temperature control plate 130 is realized through the respective matching of the two positioning posts 133 and the two positioning notches 111, so that the subsequent further connection and fixation are facilitated.
In the cylindrical battery module 100 provided in this embodiment, when the actual assembly is performed, the thermal insulation board 140 is connected with the temperature control board 130, and then the plurality of cylindrical batteries 120 are correspondingly embedded into the plurality of mounting cavities 132 on the temperature control board 130, so as to complete the fixed arrangement of the plurality of cylindrical batteries 120. And then, performing an electric connection procedure, and covering the upper cover 110 on the temperature control plate 130 after the electric connection is completed, thus completing the assembly.
To sum up, in practical application, the bottom wall and the side wall of the cylindrical battery 120 can participate in heat exchange at the same time, so that the heat exchange efficiency is higher and the heat exchange is more uniform. In addition, the temperature control plate 130 plays a role in heat management of the plurality of cylindrical batteries 120 and positioning and arranging the plurality of cylindrical batteries 120, so that the module structure is greatly simplified, and the assembly and disassembly are more convenient.
Therefore, the cylindrical battery module 100 provided in this embodiment has the characteristics of good thermal management effect, simple structure and convenient disassembly and assembly.
In addition, this embodiment also provides a battery pack, and the battery includes the cylindrical battery module 100, so the battery pack also has the characteristics of good thermal management effect, simple structure and convenient disassembly and assembly.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a cylinder battery module, its characterized in that includes temperature control board and cylinder battery, the inside of temperature control board is provided with the heat transfer cavity that is used for holding heat exchange medium, the surface of one side lateral wall of temperature control board is provided with the recess the installation die cavity of heat transfer cavity, the one end embedding of cylinder battery is in the installation die cavity.
2. The cylindrical battery module according to claim 1, wherein the side walls of the cylindrical battery are in contact with the side walls of the mounting cavity, and/or,
the end wall of the cylindrical battery is in contact with the bottom wall of the mounting cavity.
3. The cylindrical battery module according to claim 1, wherein a gap exists between a bottom wall of the mounting cavity and an inner surface of the side wall of the temperature control plate facing away from the mounting cavity.
4. The cylindrical battery module according to claim 1, wherein the number of the cylindrical batteries and the number of the installation cavities are plural, gaps exist between the side walls of any two adjacent installation cavities, and the plurality of the cylindrical batteries are respectively embedded into the plurality of installation cavities correspondingly.
5. The cylindrical battery module according to claim 4, wherein a plurality of the installation cavities form a plurality of cavity rows sequentially arranged along a first horizontal direction on the temperature control plate, each of the plurality of cavity rows comprises a plurality of the installation cavities sequentially arranged along a second horizontal direction, and the first horizontal direction forms an included angle with the second horizontal direction;
and a plurality of installation cavities corresponding to any two adjacent cavity rows are arranged in a staggered manner in the first horizontal direction.
6. The cylindrical battery module according to claim 1, further comprising an upper cover covering the temperature control plate and enclosing a storage space with one side of the mounting cavity of the temperature control plate Wen Banao, wherein the cylindrical battery is accommodated in the storage space.
7. The cylindrical battery module according to claim 6, wherein a positioning notch is concavely formed in the periphery of the upper cover, and a positioning post is convexly formed on one side of the mounting cavity of the control Wen Banao, and the positioning post is embedded in the positioning notch.
8. The cylindrical battery module according to claim 1, further comprising a heat insulating plate disposed on a side of the temperature control plate facing away from the mounting cavity and connected to the temperature control plate.
9. The cylindrical battery module according to claim 1, wherein the temperature control plate is provided with a liquid inlet and a liquid outlet which are respectively communicated with the heat exchange chamber.
10. A battery pack comprising the cylindrical battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567985.9U CN219086079U (en) | 2022-09-27 | 2022-09-27 | Cylindrical battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567985.9U CN219086079U (en) | 2022-09-27 | 2022-09-27 | Cylindrical battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219086079U true CN219086079U (en) | 2023-05-26 |
Family
ID=86405857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222567985.9U Active CN219086079U (en) | 2022-09-27 | 2022-09-27 | Cylindrical battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219086079U (en) |
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2022
- 2022-09-27 CN CN202222567985.9U patent/CN219086079U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |
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| CP03 | Change of name, title or address |