CN210123771U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
- Publication number
- CN210123771U CN210123771U CN201921513527.9U CN201921513527U CN210123771U CN 210123771 U CN210123771 U CN 210123771U CN 201921513527 U CN201921513527 U CN 201921513527U CN 210123771 U CN210123771 U CN 210123771U
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- battery
- cooling
- plate
- battery module
- battery cell
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery module and battery package. This battery module includes: the upper plate and the lower plate are oppositely arranged in a first direction; the cooling plates are arranged between the upper plate and the lower plate at intervals in a second direction perpendicular to the first direction, and a plurality of battery cell accommodating spaces distributed at intervals in the second direction are defined among the upper plate, the lower plate and the cooling plates; the battery cell comprises a plurality of battery cell monomers, wherein the battery cell monomers are arranged in battery cell accommodating spaces, a plurality of battery cell monomers are arranged in each battery cell accommodating space in a stacking mode along a first direction, and a plurality of cooling plates can cool the battery cell monomers in a heat dissipation mode. The battery module of the utility model has compact structure, fewer parts and higher structural strength; the battery pack assembled by the battery modules has the advantages of short heat dissipation path, good heat dissipation and cooling functions, high heat dissipation efficiency, long service life and high use safety.
Description
Technical Field
The utility model belongs to the technical field of the battery and specifically relates to a battery module and battery package are related to.
Background
At present, lithium ion batteries are widely used in video cameras, mobile phones, notebook computers, electric vehicles and other devices due to their advantages of stable voltage, high capacity, high energy density, long cycle life, environmental friendliness and the like. As people have higher and higher requirements for battery endurance of devices such as electric vehicles, the number of battery modules used in the devices such as electric vehicles is increasing. However, due to the limitation of the mounting space in the electric vehicle and the like, the arrangement of the battery modules in the battery pack is becoming more and more compact as the number of the battery modules increases. Under different driving states, the battery generates a large amount of heat at different heat generating rates, the generated heat is accumulated in time and space, uneven heat distribution in the battery pack can be caused, the charge and discharge efficiency of the battery can be reduced, the power and the energy of the battery can be influenced, thermal runaway can be seriously caused, and the service life and the use safety of the battery pack are seriously influenced. Therefore, the heat dissipation function of the battery pack has an important influence on the use performance, the service life, the use safety and the like of the battery pack.
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, an object of the utility model is to provide a battery module and battery package, this battery module compact structure, spare part is less, and structural strength is higher, and the heat dissipation route of battery module is shorter, and the heat dissipation function is better, and the whole radiating efficiency of battery package that this battery module constitutes is higher, and life and safety in utilization are higher.
In an aspect of the utility model, the utility model provides a battery module, according to the utility model discloses an embodiment, this battery module includes: an upper plate and a lower plate, the upper plate and the lower plate being disposed opposite to each other in a first direction; the cooling plates are arranged between the upper plate and the lower plate at intervals in a second direction perpendicular to the first direction, and a plurality of battery cell accommodating spaces distributed at intervals in the second direction are defined among the upper plate, the lower plate and the cooling plates; the battery cell comprises a plurality of battery cell monomers, wherein the battery cell monomers are arranged in battery cell accommodating spaces, each battery cell accommodating space is internally provided with a plurality of battery cell monomers which are arranged in a stacking mode along the first direction, and the plurality of battery cell monomers can be cooled by the plurality of cooling plates in a heat dissipation mode.
Battery module, through relative upper plate and the hypoplastron that sets up in the first direction to and the cooling plate that the interval set up in the second direction, inject jointly and can hold a plurality of electric core free electric core accommodation space of the range upon range of setting of electric core along the first direction, and can directly dispel the heat and cool off a plurality of electric core monomers through a plurality of cooling plates. Therefore, the battery module has a compact structure, fewer parts and higher structural strength; the battery pack formed by the battery modules has the advantages of short heat dissipation path, good heat dissipation and cooling functions, high overall heat dissipation efficiency, long service life and high use safety.
In some embodiments of the present invention, the battery cell unit includes: the battery cell comprises a battery cell body and a plastic package part surrounding the battery cell body, wherein the thickness of the battery cell body is larger than that of the plastic package part, and a gap part is formed between the plastic package part and the cooling plate of the battery cell monomers which are adjacently arranged in the first direction.
Optionally, the gap portion is filled with a thermally conductive paste.
Optionally, the battery cell monomer further includes a first tab and a second tab, the first tab and the second tab all extend from the plastic package portion, the first tab and the second tab are arranged in a third direction which is perpendicular to the first direction and the second direction.
In some embodiments of the present invention, the cooling plate further comprises: a cooling plate body disposed between the upper plate and the lower plate; a cooling pipe penetrating the cooling plate body and extending in the second direction, the cooling pipes of the plurality of cooling plates communicating with each other in the second direction.
Optionally, the cooling pipes are provided at both ends of the cooling plate body in a third direction perpendicular to both the first direction and the second direction.
In some embodiments of the present invention, the cooling plate and the upper plate, the cooling plate and the lower plate are fixedly connected.
In some embodiments of the present invention, the cooling plate is an aluminum alloy plate or a steel plate.
In some embodiments of the present invention, the battery module further comprises: the installation department, the installation department sets up in the outside on the cooling plate, the installation department be used for with battery module and battery package are installed.
In another aspect of the present invention, the utility model provides a battery pack, according to the utility model discloses an embodiment, this battery pack includes preceding arbitrary battery module.
Drawings
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a battery cell unit according to an embodiment of the present invention;
fig. 6 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention;
fig. 7 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention; and
fig. 8 is a schematic view of a partial structure of a battery module according to an embodiment of the present invention.
Reference numerals:
a battery module 100, an upper plate 11, a lower plate 12; a cooling plate 20, a cooling plate body 21, a cooling pipe 22; the battery cell comprises a battery cell monomer 30, a battery cell body 31, a plastic package part 32, a first lug 33 and a second lug 34; a gap portion 40; a mounting portion 50.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "side", "extending", "vertical", "stacking", "relative", "spacing", "adjacent", "through", "upper", "lower", "around", "height", "length", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", may explicitly or implicitly include one or two or more of the features.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled," "connected," "secured," "connected," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In one aspect of the present invention, the utility model provides a battery module. According to an embodiment of the present invention, referring to fig. 1 to 3, the battery module 100 may include: the battery pack comprises an upper plate 11, a lower plate 12, a plurality of cooling plates 20, and a plurality of battery cell units 30, wherein the upper plate 11 and the lower plate 12 are oppositely arranged in a first direction, the plurality of cooling plates 20 are arranged between the upper plate 11 and the lower plate 12, the plurality of cooling plates 20 are arranged at intervals in a second direction perpendicular to the first direction, a plurality of battery cell accommodating spaces (not marked in the figure) distributed at intervals in the second direction are defined among the upper plate 11, the lower plate 12 and the cooling plates 20, the plurality of battery cell units 30 are arranged in the battery cell accommodating spaces, and each battery cell accommodating space is provided with a plurality of battery cell units 30 arranged in a stacking manner along the first direction, wherein the plurality of cooling plates 20 can cool the plurality of battery cell units 30 in a heat dissipation manner.
According to the utility model discloses battery module 100, through upper plate 11 and hypoplastron 12 that set up relatively in the first direction to and the cooling plate 20 that the interval set up in the second direction, inject a plurality of electric core accommodation space along second direction interval distribution jointly, can hold a plurality of electric core monomers 30 along the range upon range of setting of first direction in the electric core accommodation space, and can directly dispel the heat and cool off a plurality of electric core monomers 30 through cooling plate 20. Therefore, the battery module 100 has a compact structure and fewer parts, the cooling plate 20, the upper plate 11 and the lower plate 12 can define a battery cell accommodating space together, that is, the cooling plate 20 has a supporting plate function, and meanwhile, the cooling plate 20 also has a heat dissipation and cooling function, and the cooling plate 20 can directly dissipate and cool the plurality of battery cell monomers 30, so that in the battery module 100, no special heat dissipation fins and heat dissipation fin mounting parts are required to be additionally arranged among the plurality of battery cell monomers 30, and the structure of the battery module 100 is simplified, the battery module 100 has a compact structure, and the number of the battery cell monomers 30 which can be accommodated in a unit volume is large; moreover, the battery module 100 has a short heat dissipation path, a good heat dissipation and cooling function, and a high heat dissipation and cooling efficiency, and the battery pack formed by the battery module has a high overall heat dissipation efficiency, a long service life, and high safety in use.
In some embodiments of the present invention, referring to fig. 5, the battery cell unit 30 may include: the battery cell comprises a battery cell body 31 and a plastic package part 32 arranged around the battery cell body 31, wherein the thickness of the battery cell body 31 can be larger than that of the plastic package part 32. Referring to fig. 3 and 4, a gap portion 40 may be formed between the mold part 32 and the cooling plate 20 of the two battery cells 30 adjacent to each other in the first direction. Specifically, the gap portion 40 may be filled with a thermally conductive paste. From this, the middle part is thick and after thinner electric core monomer 30 stacks up the setting in electric core accommodation space all around, electric core monomer 30's edge also is plastic envelope portion 32, can directly contact with cooling plate 20, the heat that produces in the electric core monomer 30 can directly be derived through cooling plate 20, can also derive in cooling plate 20 through the heat conduction glue of filling in clearance portion 40, consequently, electric core monomer 30's heat dissipation route is shorter, the radiating effect is better, can further improve battery module 100's radiating effect. Moreover, the battery cell unit 30 can be fixedly connected with the cooling plate 20 through the heat-conducting glue, so that the battery cell unit 30 and the cooling part are installed and connected without using special parts, and the structure of the battery module 100 is further simplified.
Specifically, the battery cell unit 30 may further include a first tab 33 and a second tab 34, where the first tab 33 and the second tab 34 extend from the plastic package portion 32, and the first tab 33 and the second tab 34 are disposed in a third direction perpendicular to the first direction and the second direction, so that the battery cell unit 30 may be electrically connected to an external circuit through the tabs, and the use performance of the battery module 100 is further improved.
In some embodiments of the present invention, referring to fig. 6-8, the cooling plate 20 may include: a cooling plate body 21 disposed between the upper plate 11 and the lower plate 12, and a cooling pipe 22 penetrating the cooling plate body 21 and extending in the second direction, the cooling pipes 22 of the plurality of cooling plates 20 communicating with each other in the second direction. Specifically, the cooling plate body 21 may be made of a material with high thermal conductivity, the cooling pipe 22 may be a cascade cooling pipe, the cooling pipe 22 may transmit a cooling medium between the cooling plate bodies 21, and the cooling medium may guide heat transferred to the cooling plate bodies out of the battery module 100 in time. From this, the heat that produces in the electric core monomer 30 among the battery module 100 can in time be derived through cooling plate 20 to, the cooling tube 22 through on the cooling plate 20 derives to the battery module 100 outside, and battery module 100's heat dissipation route is shorter, and the heat dissipation cooling function is better, and heat dissipation cooling efficiency is higher, has further improved battery module 100's security performance and performance.
Specifically, the cooling pipes 22 may be provided at both ends of the cooling plate body 21 in a third direction perpendicular to both the first direction and the second direction. This can further improve the heat dissipation performance of the battery module 100, and further improve the safety performance and usability of the battery module 100.
In some embodiments of the present invention, the cooling plate 20 may be an aluminum alloy plate or a steel plate, and in particular, the upper plate 11 and the lower plate 12 may be made of the same material as the cooling plate, thereby facilitating the connection between the cooling plate 20 and the upper and lower plates 11 and 12. Specifically, the cooling plate 20 and the upper plate 11, and the cooling plate 20 and the lower plate 12 may be fixedly connected, for example, the cooling plate formed of the same material (e.g., an aluminum alloy plate or a steel plate) may be connected to the upper plate and the lower plate by laser welding or argon arc welding, so that the structural strength of the battery module 100 may be improved, and the safety performance and the usability of the battery module 100 may be further improved; further, it is not necessary to provide a special member for assembling the cooling plate 20 with the upper plate 11 and the lower plate 12, and the structure of the battery module 100 is further simplified.
In some embodiments of the present invention, referring to fig. 1 and 2, the battery module 100 may further include an installation part 50, the installation part 50 is disposed on the cooling plate 20 at the outermost side, and the battery module 100 may be installed through the installation part 50 and the battery pack. Therefore, the battery module 100 and the battery pack are simple to install, and the battery pack has good heat dissipation performance and high safety performance.
To sum up, according to the utility model discloses battery module 100, wherein, upper plate 11 and hypoplastron 12 and cooling plate 20 can fix the electric core monomer 30 of range upon range of setting in the electric core accommodation space better, and equipment structure is compact, and equipment structure intensity is higher, and the equipment spare part is less to can directly dispel the heat and cool off through cooling plate 20 to electric core monomer 30 in a plurality of electric core accommodation space, the heat dissipation route is shorter, and the radiating efficiency is higher. This battery module 100 not only can be according to the height requirement of required battery module and assemble the battery cell monomer 30 of corresponding quantity in the first direction, also can be according to the length requirement of required battery module and assemble the battery cell monomer 30 of corresponding quantity and dispose the cooling plate 20 of corresponding quantity in the second direction, consequently, this battery module 100's size is comparatively nimble, can design according to the size and the figure of the electric core body 30 that needs. Moreover, the cooling plate 20 of the battery module 100 can be directly used as a fixing side plate of a conventional battery module, the assembly structure of the battery module 100 is simple, the number of fixing accessories of the battery module 100 is small, the heat dissipation and cooling functions of the battery module 100 are good, the heat dissipation and cooling efficiency is high, the safety performance is high, and the usability of a battery pack provided with the battery module 100 is good.
In another aspect of the present invention, the utility model provides a battery pack. According to the utility model discloses an embodiment, this battery package can include preceding the battery module, from this, this battery package has preceding all characteristics and the advantage that the battery module had, no longer describe herein. Generally speaking, this battery package assembly is simple, and package structure intensity is better, and the equipment spare part is less, and assembly cost is lower, and the heat dissipation route is shorter, and heat dissipation cooling function is better, and heat dissipation cooling efficiency is higher, can effectively prevent thermal runaway, and life and security performance are higher, and performance is better.
In the description herein, references to the description of the term "some embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery module, comprising:
an upper plate and a lower plate, the upper plate and the lower plate being disposed opposite to each other in a first direction;
the cooling plates are arranged between the upper plate and the lower plate at intervals in a second direction perpendicular to the first direction, and a plurality of battery cell accommodating spaces distributed at intervals in the second direction are defined among the upper plate, the lower plate and the cooling plates;
a plurality of cell units disposed in the cell accommodating spaces, each of the cell accommodating spaces having a plurality of the cell units stacked in the first direction, wherein,
the plurality of cooling plates can perform heat dissipation and cooling on the plurality of battery cell monomers.
2. The battery module of claim 1, wherein the cell unit comprises: the battery cell comprises a battery cell body and a plastic packaging part arranged around the battery cell body, wherein the thickness of the battery cell body is larger than that of the plastic packaging part,
and a gap part is formed between the plastic package part and the cooling plate of the two battery cell monomers which are adjacently arranged in the first direction.
3. The battery module according to claim 2, wherein the gap portion is filled with a thermally conductive paste.
4. The battery module of claim 2, wherein the cell unit further includes a first tab and a second tab, the first tab and the second tab both extend from the plastic package portion, and the first tab and the second tab are disposed opposite to each other in a third direction perpendicular to both the first direction and the second direction.
5. The battery module according to claim 1, wherein the cooling plate further comprises:
a cooling plate body disposed between the upper plate and the lower plate;
a cooling pipe penetrating the cooling plate body and extending in the second direction,
the cooling tubes of the plurality of cooling plates communicate with each other in the second direction.
6. The battery module according to claim 5, wherein the cooling pipe is provided at both ends of the cooling plate body in a third direction perpendicular to both the first direction and the second direction.
7. The battery module according to claim 1, wherein the cooling plate and the upper plate, and the cooling plate and the lower plate are fixedly connected to each other.
8. The battery module according to claim 1, wherein the cooling plate is an aluminum alloy plate or a steel plate.
9. The battery module according to claim 1, further comprising:
the installation department, the installation department sets up in the outside on the cooling plate, the installation department be used for with battery module and battery package are installed.
10. A battery pack comprising the battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513527.9U CN210123771U (en) | 2019-09-11 | 2019-09-11 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513527.9U CN210123771U (en) | 2019-09-11 | 2019-09-11 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210123771U true CN210123771U (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921513527.9U Expired - Fee Related CN210123771U (en) | 2019-09-11 | 2019-09-11 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210123771U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477931A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Laminate polymer battery and vehicle |
| CN111477930A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Battery pack and vehicle |
| CN111477932A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Battery pack and vehicle |
| CN111564589A (en) * | 2020-05-29 | 2020-08-21 | 蜂巢能源科技有限公司 | Battery pack |
| CN112086591A (en) * | 2020-07-31 | 2020-12-15 | 昆山宝创新能源科技有限公司 | Battery pack, battery module and flame-retardant heat-insulating plate thereof |
| CN113113710A (en) * | 2020-08-28 | 2021-07-13 | 昆山宝创新能源科技有限公司 | Battery module and have its battery module and car |
| CN113113711A (en) * | 2020-08-28 | 2021-07-13 | 昆山宝创新能源科技有限公司 | Battery module and have its battery module and car |
| CN113193290A (en) * | 2021-05-31 | 2021-07-30 | 湖北亿纬动力有限公司 | Battery module |
| CN113594610A (en) * | 2020-04-30 | 2021-11-02 | 蜂巢能源科技有限公司 | Battery module for vehicle and vehicle |
| CN113745694A (en) * | 2021-08-24 | 2021-12-03 | 三一重工股份有限公司 | Battery module and vehicle |
| CN114597552A (en) * | 2022-03-25 | 2022-06-07 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
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2019
- 2019-09-11 CN CN201921513527.9U patent/CN210123771U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594610A (en) * | 2020-04-30 | 2021-11-02 | 蜂巢能源科技有限公司 | Battery module for vehicle and vehicle |
| CN111477930A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Battery pack and vehicle |
| CN111477932A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Battery pack and vehicle |
| CN113594610B (en) * | 2020-04-30 | 2024-02-23 | 蜂巢能源科技有限公司 | Battery module for vehicle and vehicle |
| CN111477931A (en) * | 2020-04-30 | 2020-07-31 | 昆山宝创新能源科技有限公司 | Laminate polymer battery and vehicle |
| CN111564589A (en) * | 2020-05-29 | 2020-08-21 | 蜂巢能源科技有限公司 | Battery pack |
| CN111564589B (en) * | 2020-05-29 | 2022-05-27 | 蜂巢能源科技有限公司 | Battery pack |
| CN112086591A (en) * | 2020-07-31 | 2020-12-15 | 昆山宝创新能源科技有限公司 | Battery pack, battery module and flame-retardant heat-insulating plate thereof |
| CN113113711A (en) * | 2020-08-28 | 2021-07-13 | 昆山宝创新能源科技有限公司 | Battery module and have its battery module and car |
| CN113113710A (en) * | 2020-08-28 | 2021-07-13 | 昆山宝创新能源科技有限公司 | Battery module and have its battery module and car |
| CN113193290A (en) * | 2021-05-31 | 2021-07-30 | 湖北亿纬动力有限公司 | Battery module |
| CN113745694A (en) * | 2021-08-24 | 2021-12-03 | 三一重工股份有限公司 | Battery module and vehicle |
| CN114597552A (en) * | 2022-03-25 | 2022-06-07 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN114597552B (en) * | 2022-03-25 | 2024-09-03 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
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