CN113067071B - Battery module frame, battery module and battery package - Google Patents
Battery module frame, battery module and battery package Download PDFInfo
- Publication number
- CN113067071B CN113067071B CN202110309003.3A CN202110309003A CN113067071B CN 113067071 B CN113067071 B CN 113067071B CN 202110309003 A CN202110309003 A CN 202110309003A CN 113067071 B CN113067071 B CN 113067071B
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- plate
- battery module
- outer frame
- plates
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
Abstract
The invention belongs to the technical field of batteries, and discloses a battery module outer frame, a battery module and a battery pack, wherein the strength of the battery module outer frame is higher, when a battery core in the battery module outer frame expands, the battery module outer frame can effectively resist the expansion of the battery core, prevent the deformation of the module, and effectively protect the battery core in the battery module outer frame; the battery module comprises the electric core assembly and the battery module outer frame, the electric core assembly is arranged in the battery module outer frame, and two ends of the electric core assembly are respectively bonded and connected with the two groups of side plates of the battery module outer frame, so that the electric core assembly is installed and fixed in the battery module outer frame, and the installation efficiency and the use safety of the battery module are improved; the safety of the battery pack is high, the production efficiency of the battery pack is high, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a battery module outer frame, a battery module and a battery pack.
Background
Along with the development of new energy automobiles, the demand for power batteries is continuously increased, and meanwhile, the performance requirements for the power batteries are also continuously increased, generally, a power battery pack is composed of a plurality of battery modules, the battery modules are composed of a plurality of battery cells, the battery cells in the battery modules generally adopt square-shell battery cells or soft-package battery cells, and because the outside of the soft-package battery cells are coated by aluminum-plastic films, compared with the square-shell battery cells (aluminum shells or steel shells), the soft-package battery cells are weaker in structure, and therefore the battery modules need to be protected by an outer frame of the battery modules; in the prior art, the outer frame of the battery module generally has the following three forms: 1) the battery module outer frame is composed of the U-shaped frame and the upper cover, the U-shaped frame and the upper cover are spliced and then welded, the requirement of the battery module outer frame on a welding process is high, the yield is low, the cost is high, in addition, in the using process of the soft-package battery cell, the soft-package battery cell can expand, the battery module outer frame can not resist the expansion force of the battery cell, and further the battery module outer frame deforms, even the welding line of the module outer frame is damaged; 2) be the battery module frame of square font, this battery module frame is very inconvenient in that the electric core pile body goes into the shell, can destroy the aluminum-plastic film of soft-packaged electrical core because of the inner wall emergence friction of soft-packaged electrical core and battery module frame even; 3) four frame's battery module frame, upper cover, bottom plate and the curb plate of this battery module frame weld through four welding seams, when soft-packaged electrical core took place the inflation, very easily caused destruction to the welding seam, lead to the damage of battery module even, and the yields of this battery module frame's welding process is lower.
Disclosure of Invention
The invention aims to provide a battery module outer frame, a battery module and a battery pack so as to improve the strength of the battery module outer frame.
In order to achieve the purpose, the invention adopts the following technical scheme:
the present invention provides a battery module outer frame, comprising:
the U-shaped frame comprises a main body and two groups of first connecting plates, wherein the main body comprises a first plate, a second plate and a bottom plate, the first plate and the second plate are arranged in a spaced and parallel mode, the bottom plate is connected to one ends of the first plate and the second plate to form a U-shaped structure, the two groups of first connecting plates are respectively connected to one ends, far away from the bottom plate, of the first plate and the second plate, and the two groups of first connecting plates are parallel to the bottom plate;
the two groups of side plates are arranged at intervals and comprise main plates and second connecting plates, the main plates of one group of side plates are abutted against one side, opposite to the second plate, of the first plate, the main plates of the other group of side plates are abutted against one side, opposite to the first plate, of the second plate, and the second connecting plates are arranged on one sides, close to the corresponding first connecting plates, of the main plates;
the first connecting pieces can penetrate through the first connecting plate and the second connecting plate so as to connect the side plates with the U-shaped frame;
the upper cover is covered on the two groups of side plates, and the upper cover, the U-shaped frame and the two groups of side plates form a square structure;
the two groups of end plates are arranged at intervals, and the end plates are covered at the opening of the square structure;
the ribbon is sleeved on the two groups of side plates and the two groups of end plates.
Preferably, a clamping groove is formed in the side plate, and the binding belt can be contained in the clamping groove.
Preferably, the cable tie is made of a metal material.
Preferably, the thickness of one side of the main board close to the upper cover is greater than that of one side of the main board far from the upper cover.
Preferably, the upper cover is connected with the two groups of side plates in a welding mode.
Preferably, a structural adhesive is arranged on a contact surface of the side plate and the U-shaped frame.
Preferably, the side plates are integrally formed.
The invention also provides a battery module, which comprises a battery core assembly and a battery module outer frame, wherein the battery core assembly is arranged in the battery module outer frame, and two ends of the battery core assembly are respectively bonded and connected with the two groups of side plates of the battery module outer frame.
Preferably, the electric core subassembly includes a plurality of soft-packaged electric core, and is a plurality of soft-packaged electric core piles up the setting to form the electric core subassembly.
The invention also provides a battery pack which is characterized by comprising a shell, a heat management assembly and a plurality of battery modules.
The invention has the beneficial effects that:
the battery module outer frame comprises a U-shaped frame, two groups of side plates, a plurality of groups of first connecting pieces, an upper cover, two groups of end plates and a binding belt, wherein the U-shaped frame comprises a main body and two groups of first connecting plates, the main body comprises a first plate, a second plate and a bottom plate, the first plate and the second plate are arranged in a spaced and parallel mode, the bottom plate is connected to one ends of the first plate and the second plate to form a U-shaped structure, the two groups of first connecting plates are respectively connected to one ends, far away from the bottom plate, of the first plate and the second plate, and the two groups of first connecting plates are parallel to the bottom plate; the two groups of side plates are arranged at intervals, each side plate comprises a main plate and a second connecting plate, the main plate of one group of side plates is abutted against one side of the first plate opposite to the second plate, the main plate of the other group of side plates is abutted against one side of the second plate opposite to the first plate, and the second connecting plates are arranged on one sides of the main plates close to the corresponding first connecting plates; the first connecting piece can penetrate through the first connecting plate and the second connecting plate so as to enable the side plates to be connected with the U-shaped frame, and in addition, the first connecting plate and the second connecting plate are connected through the first connecting piece so that the battery module can be conveniently installed in the battery pack; the upper cover is covered on the two groups of side plates, and the upper cover, the U-shaped frame and the two groups of side plates form a square structure; the two groups of end plates are arranged at intervals, the end plate covers are arranged at the opening of the square-shaped structure, and the two groups of side plates and the two groups of end plates are sleeved with the binding belts so as to fix the two groups of end plates with the U-shaped frame and the two groups of side plates and improve the rigidity of the outer frame of the battery module; when the inflation takes place for electric core in the battery module frame, because the intensity of this battery module frame is higher, this battery module frame can effectively resist electric core inflation, prevents that the module from warping to can protect the electric core in the battery module frame effectively, in addition, because the installation of the electric core subassembly of still being convenient for of this battery module frame.
The battery module provided by the invention comprises the electric core assembly and the battery module outer frame, wherein the electric core assembly is arranged in the battery module outer frame, and two ends of the electric core assembly are respectively bonded and connected with the two groups of side plates of the battery module outer frame, so that the electric core assembly is installed and fixed in the battery module outer frame, and the installation efficiency and the use safety of the battery module are improved.
The battery pack provided by the invention comprises the shell, the thermal management assembly and the plurality of battery modules, the safety of the battery pack is higher, the production efficiency of the battery pack is high, and the production cost is further reduced.
Drawings
Fig. 1 is a schematic view of a battery module according to the present invention;
fig. 2 is an exploded view of a battery module according to the present invention;
fig. 3 is a schematic view of a U-shaped frame proposed by the present invention.
In the figure:
100. a battery module; 101. an electrical core assembly;
1. a U-shaped frame; 2. a side plate; 3. an upper cover; 4. an end plate; 5. binding a belt;
11. a first plate; 12. a second plate; 13. a base plate; 14. a first connecting plate; 21. a main board; 22. a second connecting plate; 23. a card slot; 41. and (4) a notch.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment provides a battery pack, and this battery pack includes shell, thermal management subassembly and a plurality of battery module, and thermal management subassembly and a plurality of battery module all set up in the shell, and the thermal management subassembly is used for controlling and adjusts the temperature in the battery pack to make this battery pack be in the best operating condition, this battery pack's security is higher, and this battery pack's production efficiency is high, and then has reduced manufacturing cost.
As shown in fig. 1-2, the battery module 100 includes a battery module 101 and a battery module frame, the battery pack 101 is disposed in the battery module frame, and two ends of the battery pack 101 are respectively bonded to two sets of side plates 2 of the battery module frame, so as to install and fix the battery pack 101 in the battery module frame, thereby improving the installation efficiency and the safety of the battery module 100.
Further, the electric core assembly 101 includes a plurality of soft-packaged cells, and a plurality of soft-packaged cells stack up the setting to form electric core assembly 101.
As shown in fig. 1 to 3, the outer frame of the battery module in this embodiment includes a U-shaped frame 1, two sets of side plates 2, multiple sets of first connecting members, an upper cover 3, two sets of end plates 4, and a binding band 5, where the U-shaped frame 1 includes a main body and two sets of first connecting plates 14, the main body includes a first plate 11, a second plate 12, and a bottom plate 13, the first plate 11 and the second plate 12 are spaced and arranged in parallel, the bottom plate 13 is connected to one ends of the first plate 11 and the second plate 12 to form a U-shaped structure, the U-shaped frame 1 is integrally formed, the two sets of first connecting plates 14 are respectively connected to one ends of the first plate 11 and the second plate 12 far away from the bottom plate 13, and the two sets of first connecting plates 14 are both parallel to the bottom plate 13 and located outside the U-shaped structure; the two groups of side plates 2 are arranged at intervals, each side plate 2 comprises a main plate 21 and a second connecting plate 22, the main plate 21 of one group of side plates 2 is abutted against one side, opposite to the second plate 12, of the first plate 11, the main plate 21 of the other group of side plates 2 is abutted against one side, opposite to the first plate 11, of the second plate 12, and the second connecting plates 22 are arranged on one sides, close to the corresponding first connecting plates 14, of the main plates 21; the first connecting piece can penetrate through the first connecting plate 14 and the second connecting plate 22, so that the side plate 2 is connected with the U-shaped frame 1, and in addition, the first connecting plate 14 is connected with the second connecting plate 22 through the first connecting piece, so that the battery module 100 can be conveniently installed in a battery pack; the upper cover 3 is covered on the two groups of side plates 2, and the upper cover 3, the U-shaped frame 1 and the two groups of side plates 2 form a square structure; the two groups of end plates 4 are arranged at intervals, the end plates 4 cover the openings of the square-shaped structures, and the binding belts 5 are sleeved on the two groups of side plates 2 and the two groups of end plates 4 so as to fix the two groups of end plates 4 with the U-shaped frame 1 and the two groups of side plates 2 and improve the rigidity of the outer frame of the battery module; when the inflation takes place for electric core in the battery module frame, because the intensity of this battery module frame is higher, this battery module frame can effectively resist electric core inflation, prevents that the module from warping, can protect the electric core in the battery module frame effectively, in addition, because the installation of the still convenient for electric core subassembly 101 of this battery module frame.
In order to facilitate the connection between the first connecting plate 14 and the second connecting plate 22, a plurality of first connecting holes are formed in the first connecting plate 14, and a plurality of second connecting holes are formed in the second connecting plate 22, in this embodiment, the first connecting holes are threaded holes, the second connecting holes are through holes, the first connecting members are bolts, and the bolts can penetrate through the second connecting holes to be in threaded connection with the first connecting holes, so that the side plates 2 are connected with the U-shaped frame 1; it should be noted that the first coupling holes on the first coupling plate 14 and the second coupling holes on the second coupling plate 22 can also be used to mount the battery module 100 in a battery pack.
For the convenience of ribbon 5 is fixed two sets of end plates 4 and U-shaped frame 1 and two sets of curb plate 2 mutually, this embodiment has set up breach 41 on the side that contacts with curb plate 2 of end plate 4, still be provided with draw-in groove 23 on curb plate 2, this draw-in groove 23 link up this curb plate 2 along the length direction of curb plate 2, breach 41 on the end plate 4 is linked together with draw-in groove 23 on the curb plate 2, so that ribbon 5 can the holding in draw-in groove 23, so that ribbon 5 is fixed two sets of end plates 4 and U-shaped frame 1 and two sets of curb plate 2 mutually, and then promote the rigidity and the intensity of battery module frame.
In order to avoid the ribbon 5 from breaking during use, the ribbon 5 has to have sufficient tensile and shear strength, and therefore the ribbon 5 in this embodiment is made of a metal material, and optionally the ribbon 5 is a steel ribbon 5.
In order to facilitate the installation of the side plate 2 in the U-shaped frame 1, structural adhesive is arranged on the contact surface of the side plate 2 and the U-shaped frame 1 so as to pre-fix the side plate 2 in the U-shaped frame 1 and install the side plate 2 in the U-shaped frame 1; it is conceivable that, because the structural adhesive is a colloid or a liquid before being solidified, when the side plate 2 is installed in the U-shaped frame 1, the structural adhesive can lubricate the side plate 2 to some extent so as to install the side plate 2 in the U-shaped frame 1.
In the present embodiment, the side plate 2 is welded to the upper cover 3, and in order to make the side plate 2 and the upper cover 3 welded more firmly, in the present embodiment, the thickness of one side of the main plate 21 of the side plate 2 close to the upper cover 3 is set to be greater than the thickness of one side of the main plate 21 away from the upper cover 3, so as to increase the contact area and the welding area between the main plate 21 and the upper cover 3, so that the side plate 2 and the upper cover 3 are welded more firmly; in addition, the thicker side of the main board 21 is convenient for processing the clamping groove 23 on the side board 2, so the clamping groove 23 for accommodating the binding belt 5 is arranged on the thicker side of the main board 21.
The strength and the rigidity of the outer frame of the battery module in the embodiment are high, the electric core assembly 101 can be effectively protected, and the influence of expansion of a soft-package electric core on the outer frame of the battery module can be resisted, so that the outer frame of the battery module is prevented from deforming; the battery module outer frame is simple in structure and convenient for installation of the battery module assembly 101; in addition, the welding seams of the outer frame of the battery module are fewer, the use of welding processes can be reduced, the yield is improved, the production process of the outer frame of the battery module is simplified, and the production cost is reduced.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a battery module frame which characterized in that includes:
the U-shaped frame (1) comprises a main body and two groups of first connecting plates (14), wherein the main body comprises a first plate (11), a second plate (12) and a bottom plate (13), the first plate (11) and the second plate (12) are arranged in a spaced and parallel mode, the bottom plate (13) is connected to one ends of the first plate (11) and the second plate (12) to form a U-shaped structure, the two groups of first connecting plates (14) are respectively connected to one ends, far away from the bottom plate (13), of the first plate (11) and the second plate (12), and the two groups of first connecting plates (14) are parallel to the bottom plate (13);
the two groups of side plates (2) are arranged at intervals, each side plate (2) comprises a main plate (21) and a second connecting plate (22), the main plate (21) of one group of side plates (2) is abutted against one side, opposite to the second plate (12), of the first plate (11), the main plate (21) of the other group of side plates (2) is abutted against one side, opposite to the first plate (11), of the second plate (12), and the second connecting plates (22) are arranged on one sides, close to the corresponding first connecting plates (14), of the main plates (21);
a plurality of groups of first connecting pieces, wherein the first connecting pieces can penetrate through the first connecting plate (14) and the second connecting plate (22) so as to connect the side plate (2) with the U-shaped frame (1);
the upper cover (3) is covered on the two groups of side plates (2), and the upper cover (3), the U-shaped frame (1) and the two groups of side plates (2) form a square structure;
the two end plates (4) are arranged at intervals, and the end plates (4) are covered at the opening of the square structure;
and the binding belts (5) are sleeved on the two groups of side plates (2) and the two groups of end plates (4).
2. The battery module outer frame according to claim 1, wherein a slot (23) is provided on the side plate (2), and the tie (5) can be accommodated in the slot (23).
3. The battery module outer frame according to claim 1, wherein the tie (5) is made of a metal material.
4. The battery module outer frame according to claim 1, wherein a thickness of a side of the main plate (21) close to the upper cover (3) is greater than a thickness of a side of the main plate (21) away from the upper cover (3).
5. The battery module outer frame according to claim 1, wherein the upper cover (3) is welded to the two sets of side plates (2).
6. The battery module outer frame according to claim 1, wherein a structural adhesive is arranged on the contact surface of the side plate (2) and the U-shaped frame (1).
7. The battery module outer frame according to any one of claims 1 to 6, wherein the side plates (2) are integrally formed.
8. A battery module, comprising a battery module assembly (101) and the battery module outer frame according to any one of claims 1 to 7, wherein the battery module assembly (101) is arranged in the battery module outer frame, and two ends of the battery module assembly (101) are respectively connected with two sets of side plates (2) of the battery module outer frame in an adhesion manner.
9. The battery module according to claim 8, characterized in that the core assembly (101) comprises a plurality of laminate polymer cells, which are stacked to form the core assembly (101).
10. A battery pack, comprising a housing, a thermal management assembly, and a plurality of battery modules (100) according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110309003.3A CN113067071B (en) | 2021-03-23 | 2021-03-23 | Battery module frame, battery module and battery package |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110309003.3A CN113067071B (en) | 2021-03-23 | 2021-03-23 | Battery module frame, battery module and battery package |
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| Publication Number | Publication Date |
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| CN113067071A CN113067071A (en) | 2021-07-02 |
| CN113067071B true CN113067071B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110309003.3A Active CN113067071B (en) | 2021-03-23 | 2021-03-23 | Battery module frame, battery module and battery package |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114447490A (en) * | 2021-12-16 | 2022-05-06 | 上海兰钧新能源科技有限公司 | Improvement type electricity core module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208189678U (en) * | 2018-05-03 | 2018-12-04 | 常州普莱德新能源电池科技有限公司 | A kind of electric automobile power battery mould group and electric car |
| CN111785883A (en) * | 2020-07-22 | 2020-10-16 | 远景动力技术(江苏)有限公司 | Battery module and assembling method thereof |
| CN212136544U (en) * | 2020-05-19 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | High efficiency laminate polymer battery module in groups |
-
2021
- 2021-03-23 CN CN202110309003.3A patent/CN113067071B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208189678U (en) * | 2018-05-03 | 2018-12-04 | 常州普莱德新能源电池科技有限公司 | A kind of electric automobile power battery mould group and electric car |
| CN212136544U (en) * | 2020-05-19 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | High efficiency laminate polymer battery module in groups |
| CN111785883A (en) * | 2020-07-22 | 2020-10-16 | 远景动力技术(江苏)有限公司 | Battery module and assembling method thereof |
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