CN218568982U - Battery module, battery package and vehicle - Google Patents
Battery module, battery package and vehicle Download PDFInfo
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- CN218568982U CN218568982U CN202222750444.XU CN202222750444U CN218568982U CN 218568982 U CN218568982 U CN 218568982U CN 202222750444 U CN202222750444 U CN 202222750444U CN 218568982 U CN218568982 U CN 218568982U
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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 relates to the technical field of batteries, and provides a battery module, a battery pack and a vehicle, wherein the battery module comprises at least two battery cores and a heat conducting component; the heat conduction assembly is arranged between the adjacent electric cores, the surface of the heat conduction assembly is in contact with the surface of the electric core, and the heat conduction assembly is arranged to be in heat conduction connection with the liquid cooling plate. So set up, derive the heat between the adjacent electric core to the liquid cooling board through heat-conducting component, prevent the heat gathering between adjacent electric core, improve cooling effect, solved among the prior art to the poor problem of the cooling effect of the cooling of battery module.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery module, battery package and vehicle.
Background
With the popularization of new energy vehicles, the use of lithium batteries in the new energy vehicles is more and more common. For lithium batteries, a plurality of lithium ion cells are generally connected in series and in parallel to form a large battery module, so as to form a battery pack. In order to improve the energy density of the energy storage system, the battery cell of the battery pack generally adopts a square aluminum shell large battery cell, the thickness of the battery cell is thicker, the height of the battery cell is higher, the whole size of the battery cell is larger, and higher requirements are provided for controlling the temperature rise and the heating balance of the battery cell in the operation.
In the prior art, a liquid cooling plate is generally disposed outside a battery module, so that the liquid cooling plate contacts with a bottom surface and/or a side surface of the battery module, and the battery module is cooled by heat exchange between the liquid cooling plate and the bottom surface of the battery module and/or heat exchange between the liquid cooling plate and the side surface of the battery module. Its heat transfer area is less relatively, and the cooling effect is relatively poor, and the temperature of battery module can not obtain effective control for the use of battery package receives the influence.
Therefore, how to solve the problem of poor cooling effect of the battery module in the prior art becomes an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery module, battery package and vehicle for solve among the prior art to the poor defect of the cooling effect of battery module.
The utility model provides a battery module, include:
the battery cell is provided with at least two battery cells;
the heat conduction assembly is arranged between the adjacent electric cores, the surface of the electric core is contacted with the heat conduction assembly, and the heat conduction assembly is arranged to be connected with the liquid cooling plate in a heat conduction mode.
According to the utility model provides a battery module, the heat conduction assembly comprises a heat conduction plate and a buffer plate, the distribution directions of the heat conduction plate and the buffer plate are consistent with the distribution direction of the adjacent electric core, and the surface of the heat conduction plate is in laminating contact with the surface of the buffer plate;
the heat-conducting plate with the buffer board all has thermal conductivity, and the surface atress of buffer board can deform, at least one in the heat-conducting plate with the buffer board with the heat conduction contact of liquid cooling board.
According to the utility model provides a pair of battery module is adjacent dispose one between the electric core the heat-conducting plate, heat-conducting plate and every all be provided with between the electric core the buffer board, the surface of heat-conducting plate with the surface of electric core respectively with two relative surface laminating contacts of buffer board.
According to the utility model provides a pair of battery module is adjacent dispose two between the electricity core the heat-conducting plate, the buffer board includes first buffer board, first buffer board sets up in two between the heat-conducting plate, two the surface of heat-conducting plate respectively with two relative surface laminating contacts of first buffer board.
According to the utility model provides a pair of battery module, the buffer board still includes the second buffer board, the second buffer board set up in the heat-conducting plate with between the electric core, the surface of electric core with the surface of heat-conducting plate respectively with the surface laminating contact of second buffer board.
According to the utility model provides a pair of battery module, the surface of electricity core the surface of heat-conducting plate with in the surface of buffer board, adjacent two splice fixedly.
According to the utility model provides a pair of battery module, the material of heat-conducting plate is aluminium, the buffer board is the heat conduction pad.
The utility model also provides a battery pack, including battery module and liquid cooling board, the battery module is foretell battery module, the liquid cooling board set up in the outside of battery module, just the thermal conductivity component of battery module with liquid cooling board heat conduction is connected.
According to the utility model provides a pair of battery package still includes heating element, heating element sets up to right the liquid cooling board heats.
The utility model also provides a vehicle, including foretell battery module, perhaps, including foretell battery package.
The utility model provides a battery module, including electric core and heat-conducting component, electric core is provided with at least two, and heat-conducting component sets up between adjacent electric core, and the surface of heat-conducting component and electric core contacts, can take place heat exchange between heat-conducting component and electric core, makes the heat transfer of electric core to heat-conducting component. The heat conduction assembly can be connected with the liquid cooling plate in a heat conduction mode, so that heat of the heat conduction assembly is transmitted to the liquid cooling plate, the heat between the adjacent electric cores is led out to the liquid cooling plate, and the heat is prevented from being gathered between the adjacent electric cores. The surface of the electric core that combines to contact with the liquid cooling board and the heat exchange between the liquid cooling board carry out cooling to electric core jointly, improve cooling effect, solved among the prior art to the poor problem of the cooling effect of the cooling of battery module.
In addition, the inside of liquid cooling plate has the runner that supplies the medium circulation, through liquid cooling plate and the heat exchange that is located between its inside medium, can reduce the temperature of liquid cooling plate to continuously derive the heat between the electric core, ensure the continuation and the validity to the cooling effect of battery module.
Further, the present invention provides a battery pack including the battery module described above, and therefore having various advantages as described above.
Further, the present invention provides a vehicle having the battery module or the battery pack as described above, and therefore having various advantages as described above.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a side view of a battery pack provided by the present invention;
fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of the battery pack shown in fig. 1;
FIG. 3 is an enlarged view of I in FIG. 2;
fig. 4 is a cross-sectional view of a battery pack provided by the present invention;
FIG. 5 is an enlarged view of X in FIG. 4;
fig. 6 is a schematic view of an exploded structure of a battery pack provided by the present invention.
Reference numerals:
1. an electric core; 2. a heat conducting component; 3. a liquid-cooled plate; 4. a heat conducting plate; 5. a buffer plate; 6. heating the film; 7. a steel band; 8. an end plate; 9. and the heat-conducting adhesive layer.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The battery module according to the present invention will be described with reference to fig. 1 to 6.
As shown in fig. 1 to fig. 6, an embodiment of the present invention provides a battery module, which includes an electrical core 1 and a heat conducting assembly 2.
Specifically, at least two battery cells 1 are provided, and the battery cells 1 are distributed at intervals.
Set up heat conduction assembly 2 between adjacent electric core 1, and heat conduction assembly 2 contacts with the surface of electric core 1, can take place the heat exchange between heat conduction assembly 2 and electric core 1, makes the heat transfer of electric core 1 to heat conduction assembly 2.
The outside of battery module is provided with liquid cooling board 3, and liquid cooling board 3 contacts with the surface of battery module, utilizes the surface of liquid cooling board 3 and battery module to carry out the heat exchange.
In addition, the inside of liquid cooling plate 3 has the runner that supplies the medium circulation, through liquid cooling plate 3 and the heat exchange between the medium that is located the runner, can reduce liquid cooling plate 3's temperature to continuously derive the heat between electric core 1, ensure the continuation and the validity to the cooling effect of the cooling of battery module.
In the prior art, the surfaces with the largest areas of two adjacent battery cells 1 are generally arranged to face each other. In this implementation, set up heat conduction assembly 2 between adjacent electric core 1, heat conduction assembly 2 contacts with the biggest surface of the area of electric core 1, can make heat conduction assembly 2 carry out the heat exchange with the biggest surface of the area of electric core 1, can derive the heat between adjacent electric core 1 effectively, can greatly improve the cooling effect to the battery module.
Arranging the heat conduction assembly 2 between the adjacent electric cores 1, adjusting the relative position between the electric cores 1 and the heat conduction assembly 2, and then binding and fixing the electric cores 1 and the heat conduction assembly 2 together by using a steel binding belt 7.
In this embodiment, heat-conducting component 2 includes heat-conducting plate 4 and buffer board 5, and heat-conducting plate 4 and 5 range upon range of settings of buffer board, and heat-conducting plate 4 is unanimous with the distribution direction of buffer board 5 and the distribution direction of adjacent electric core 1, and the surface laminating contact of heat-conducting plate 4 and buffer board 5.
Above-mentioned heat-conducting plate 4 and buffer board 5 all have thermal conductivity, set up heat-conducting component 2 between adjacent electric core 1 time, no matter be located heat-conducting plate 4 or buffer board 5 of 2 surfaces of heat-conducting component, all can with the electric core 1 between produce the heat exchange. And heat exchange can be generated between the heat conduction plate 4 and the buffer plate 5, so that the heat of the battery cell 1 can be effectively transferred to the heat conduction assembly 2.
At least one of the heat conducting plate 4 and the buffer plate 5 is in heat-conducting contact with the liquid cooling plate 3, and both can transfer heat to the liquid cooling plate 3.
Specifically, the edge of the heat conducting plate 4 and/or the edge of the buffer plate 5 may be in contact with the liquid cooling plate 3, or the edge of the heat conducting plate 4 and/or the edge of the buffer plate 5 may be fixedly connected to the liquid cooling plate 3 by a heat conducting adhesive.
In this embodiment, the heat conducting plate 4 and the buffer plate 5 are fixedly connected to the liquid cooling plate 3 through the heat conducting glue, and the heat conducting glue layers 9 are formed between the heat conducting plate 4 and the liquid cooling plate 3 and between the buffer plate 5 and the liquid cooling plate 3, as shown in fig. 3 and 5.
The surface stress of the buffer plate 5 can deform, and the electric core 1 and the heat conducting plate 4 which are good in adaptation and poor in surface flatness can fully contact the electric core 1 and the heat conducting assembly 2, so that the heat conducting performance between the electric core 1 and the heat conducting assembly 2 is ensured. Moreover, the deformation problems such as bulge can appear in the overheat of the battery core 1, when the battery core 1 is heated and deforms such as bulge, the buffer plate 5 is extruded and compressed, so that the influence on the adjacent battery core 1 can be prevented, and the influence on the overall shape and size of the battery module can be avoided.
In some embodiments, the heat-conducting assembly 2 includes a heat-conducting plate 4 and two buffer plates 5, and the heat-conducting plate 4 is disposed between the adjacent battery cells 1, so that two battery cells 1 share one heat-conducting plate 4, as shown in fig. 2 and 3. Two buffer plates 5 are respectively arranged between the heat conduction plate 4 and each electric core 1, so that the surface of the heat conduction plate 4 and the surface of the electric core 1 are respectively in contact with two opposite surfaces of the buffer plates 5 in a laminating manner. The heat of two electricity core 1 passes through buffer board 5 all can be to the transmission of heat-conducting plate 4, utilizes same heat-conducting plate 4 to derive the outside to the battery module with the heat of two electricity core 1.
The corresponding buffer plate 5 is configured on the surface of each battery cell 1, so that the shape change caused by heating of each position of each battery cell 1 can be adapted. When the bulge problem appears in a certain position of the battery cell 1, the position on the buffer board 5 corresponding to the bulge position is deformed under pressure, and other positions of the buffer board 5 are still in contact with the battery cell 1 in an attaching manner. The problem of position dislocation of the heat conducting plate 4 due to compression can be avoided, and the buffer plate 5 can be in full contact with the battery core 1.
The buffer plate 5 includes a first buffer plate and a second buffer plate.
In other embodiments, the heat-conducting assembly 2 comprises two heat-conducting plates 4 and a buffer plate 5, wherein the buffer plate 5 is a first buffer plate. Two heat-conducting plates 4 set up between adjacent electric core 1, make the surface that two heat-conducting plates 4 deviate from mutually respectively with the surface laminating contact of two electric cores 1. The first buffer plate is disposed between the two heat-conducting plates 4, so that the facing surfaces of the two heat-conducting plates 4 are respectively in close contact with the facing surfaces of the first buffer plate, as shown in fig. 4 and 5. All dispose heat-conducting plate 4 to the surface of every electric core 1, make the heat of two electric cores 1 respectively through the outside transmission of respective corresponding heat-conducting plate 4 to battery module, have higher heat and derive efficiency.
The first buffer plate arranged between the two heat-conducting plates 4 can adapt to the problem of position dislocation of the heat-conducting plates 4 caused by the shape change of the electric core 1 when being heated.
In a further embodiment, the heat conducting assembly 2 further includes a second buffer plate, and the second buffer plate is disposed between the heat conducting plate 4 and the battery cell 1, so that the surface of the battery cell 1 and the surface of the heat conducting plate 4 are respectively in contact with the surface of the second buffer plate. The second buffer plate can further adapt to the shape change of the battery cell 1, and the position dislocation of the heat conducting plate 4 is reduced.
The embodiment of the utility model provides an in, make among the surface of electric core 1, the surface of heat-conducting plate 4 and the surface of buffer board 5, adjacent two splice fixedly. Specifically, the surfaces of the two adjacent parts may be coated with a heat conductive adhesive, and the two adjacent parts may be fixed together by the heat conductive adhesive.
The heat-conducting glue has excellent heat conduction and heat dissipation performance, can provide high-guarantee heat dissipation coefficient for the battery module, and moreover, the heat-conducting glue has excellent bonding strength, and can ensure the stability of the relative position among the battery core 1, the heat-conducting plate 4 and the buffer plate 5.
The heat transfer plate 4 may be made of any material capable of transferring heat. In this embodiment, the heat conducting plate 4 is made of aluminum, i.e., an aluminum plate is selected as the heat conducting plate 4. The aluminum plate has excellent heat-conducting property, and can effectively lead out the heat of the battery cell 1. Moreover, aluminum plate's density is little, and the quality is light, can reduce the influence to the holistic weight of battery module.
In this embodiment, select for use the heat conduction pad as buffer board 5, the heat conduction pad has good flexibility, good compressive property and good thermal conductivity, not only can ensure that heat-conducting component 2 fully contacts with electric core 1, can also ensure heat-conducting component 2's heat conductivility, is favorable to improving the cooling effect to the battery module.
In addition, the surface of the heat conducting pad is provided with the gum, and the gum can be directly bonded with the battery core 1 and the heat conducting plate 4, so that the use of the heat conducting gum can be reduced.
When the battery cells 1 and the heat conducting assembly 2 are bundled together, end plates 8 are required to be disposed on two sides of the battery cells 1 located at two ends, as shown in fig. 6. At this time, the heat conduction assembly 2 may be further disposed between the battery cells 1 and the end plates 8 at both ends.
It should be noted that the above description is directed to the process of cooling and dissipating heat of the battery module. When the temperature is lower, need heat the battery module, improve the temperature back of liquid cooling board 3, utilize heat conduction assembly 2 also can increase the heat from liquid cooling board 3 to the transmission efficiency of electric core 1, can improve the heating efficiency to battery module equally, no longer give consideration to here.
On the other hand, the embodiment of the utility model provides a still provide a battery package, including the battery module that liquid cooling plate 3 and above-mentioned arbitrary embodiment provided. The liquid cooling plate 3 is arranged outside the battery module, and the heat conducting component 2 of the battery module is in heat conducting connection with the liquid cooling plate 3. The battery module in the above-mentioned embodiment can derive the heat between the adjacent electric core 1 to liquid cooling plate 3, prevents the heat gathering between adjacent electric core 1, improves cooling effect. Therefore, the battery pack in the embodiment has excellent cooling effect and excellent usability. The embodiment of the utility model provides an in beneficial effect's of battery package derivation process is similar with the derivation process of the beneficial effect of above-mentioned battery module by a wide margin, and it is no longer repeated here.
In an embodiment, the liquid cooling plate 3 may be disposed at the bottom of the battery module, or at the side of the battery module.
The battery pack in this embodiment further includes a heating unit for heating the liquid cooling plate 3. When the temperature is lower, need heat battery module, can heat liquid cooling plate 3 through heating element. Some heats of liquid cold plate 3 are direct to the surface transmission with electric core 1 of liquid cold plate 3 contact, and some heats can be transmitted to electric core 1 through heat conduction assembly 2 in addition, have increased area and way to electric core 1 heat transmission, are favorable to improving the heating efficiency to the battery module.
Moreover, for among the prior art through heating the medium in the liquid cooling plate 3, utilize the heat exchange between medium and the liquid cooling plate 3 to increase the mode of the temperature of liquid cooling plate 3, utilize heating element directly to heat liquid cooling plate 3 in this embodiment, heating efficiency is higher, can further improve the heating efficiency to battery module.
In a specific embodiment, the heating assembly may be a heating film 6, and the heating film 6 is disposed on one side of the liquid cooling plate 3 away from the battery module, and the heating film 6 is attached to and in contact with the liquid cooling plate 3.
In another aspect, the embodiment of the present invention further provides a vehicle, including the battery module or the battery pack provided in any of the above embodiments. The advantages of the battery module or the battery pack are all provided, and are not described in detail herein. The embodiment of the utility model provides an in beneficial effect's of vehicle derivation process is similar with the derivation process of the beneficial effect of above-mentioned battery module or battery package is general, and it is no longer repeated here.
The vehicle in the embodiment may be, but is not limited to, an engineering vehicle such as a commercial automobile, a fire truck, a mixer truck, and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A battery module, comprising:
the battery cell is provided with at least two battery cells;
the heat conduction assembly is arranged between the adjacent electric cores, the surface of the electric core is contacted with the heat conduction assembly, and the heat conduction assembly is arranged to be connected with the liquid cooling plate in a heat conduction mode.
2. The battery module according to claim 1, wherein the heat-conducting component comprises a heat-conducting plate and a buffer plate, the distribution direction of the heat-conducting plate and the buffer plate is consistent with the distribution direction of the adjacent battery cells, and the surface of the heat-conducting plate is in fit contact with the surface of the buffer plate;
the heat-conducting plate with the buffer board all has thermal conductivity, and the surface atress of buffer board can deform, at least one in the heat-conducting plate with the buffer board with the heat conduction contact of liquid cooling board.
3. The battery module of claim 2, wherein one heat-conducting plate is disposed between adjacent cells, the buffer plate is disposed between the heat-conducting plate and each cell, and a surface of the heat-conducting plate and a surface of the cell are respectively in contact with two opposite surfaces of the buffer plate.
4. The battery module according to claim 2, wherein two thermally conductive plates are disposed between adjacent electric cores, and the buffer plate comprises a first buffer plate disposed between the two thermally conductive plates, and surfaces of the two thermally conductive plates are in close contact with two opposite surfaces of the first buffer plate, respectively.
5. The battery module of claim 4, wherein the buffer plate further comprises a second buffer plate, the second buffer plate is disposed between the heat-conducting plate and the battery core, and the surface of the battery core and the surface of the heat-conducting plate are respectively in contact with the surface of the second buffer plate in a fitting manner.
6. The battery module of claim 2, wherein adjacent two of the surface of the battery core, the surface of the heat-conducting plate and the surface of the buffer plate are glued and fixed.
7. The battery module according to claim 2, wherein the heat-conductive plate is made of aluminum, and the buffer plate is a heat-conductive pad.
8. A battery pack, comprising a battery module and a liquid cooling plate, wherein the battery module is the battery module as claimed in any one of claims 1 to 7, the liquid cooling plate is disposed outside the battery module, and a heat conducting component of the battery module is in heat conducting connection with the liquid cooling plate.
9. The battery pack of claim 8, further comprising a heating assembly configured to heat the liquid-cooled plate.
10. A vehicle characterized by comprising the battery module according to any one of claims 1 to 7 or the battery pack according to any one of claims 8 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222750444.XU CN218568982U (en) | 2022-10-18 | 2022-10-18 | Battery module, battery package and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222750444.XU CN218568982U (en) | 2022-10-18 | 2022-10-18 | Battery module, battery package and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218568982U true CN218568982U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222750444.XU Active CN218568982U (en) | 2022-10-18 | 2022-10-18 | Battery module, battery package and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218568982U (en) |
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2022
- 2022-10-18 CN CN202222750444.XU patent/CN218568982U/en active Active
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