CN215184284U - End plate of battery module - Google Patents
End plate of battery module Download PDFInfo
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- CN215184284U CN215184284U CN202121029624.8U CN202121029624U CN215184284U CN 215184284 U CN215184284 U CN 215184284U CN 202121029624 U CN202121029624 U CN 202121029624U CN 215184284 U CN215184284 U CN 215184284U
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- end plate
- battery
- plate
- plate body
- battery module
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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 utility model provides an end plate of a battery module, which comprises an end plate body and an insulating cover, wherein one side of the insulating cover is connected with the end plate body, and the other side is abutted with a battery cell module; the inner side wall of the end plate body is provided with a fixed seat; and the top end of the insulating cover is provided with a mounting rack. The utility model discloses well end plate body is used die-casting aluminium to make, the insulating boot is made by insulating material, uses the end plate body to resist the inflation in electric core later stage at the both ends of electric core module, adopts the insulating boot to insulate between end plate body and the electric core, has greatly ensured the safety in utilization of battery module in the later stage use.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery, concretely relates to end plate of battery module.
Background
With the continuous popularization of new energy automobiles, the use requirements of power batteries in the new energy automobiles become higher and higher, and particularly, the requirements of users on the continuous mileage of the new energy automobiles are continuously improved. In order to meet the power requirement of an automobile, a plurality of lithium batteries need to be connected in series and parallel to form a battery module, then the plurality of battery modules are connected in series and parallel to form a large module, and the length or the width of a lithium battery pack finally used on the automobile generally exceeds 1 m.
The battery module includes a plurality of battery cells and is used for end plate and the curb plate at a plurality of battery cell both ends of fixed, and end plate and curb plate surround all battery cell settings. In the prior art, the end plate is a plastic injection piece, so that the strength is not enough, and as the capacity of the battery module is continuously improved, the single battery can expand under some conditions, so that expansion force can be applied to the end plate, and the end plate is deformed; in addition, the end plate is made of aluminum, and the performance of the battery cell is seriously influenced because the end plate is in direct contact with the battery cell to conduct electricity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an end plate of battery module makes it still have insulating nature when possessing intensity, reaches the purpose of protection electric core.
The utility model discloses a concrete technical scheme as follows:
the end plate of the battery module comprises an end plate body and an insulating cover, wherein one side of the insulating cover is connected with the end plate body, and the other side of the insulating cover is abutted to the battery cell module; the inner side wall of the end plate body is provided with a fixed seat; and the top end of the insulating cover is provided with a mounting rack.
In a further scheme, the end plate body comprises a frame body, two ends of the top end face of the frame body are respectively and fixedly provided with a reinforcing frame, a mounting groove for mounting the fixing seat is formed between the two reinforcing frames, and the bottom end face of the frame body is provided with a fixing hole.
According to a further scheme, a binding belt limiting groove is formed in the outer edge of the frame body. The fixing bands are limited, so that the fixing bands can be conveniently bundled up and prevented from deviating.
In a further scheme, the battery cell module comprises at least two battery cell assemblies, the battery cell assemblies are overlapped in the width direction of the battery cell assemblies, and every two adjacent battery cell assemblies are bonded into a whole through an adhesive-backed epoxy plate; the electric core assembly comprises at least two electric cores, the electric cores are overlapped in the thickness direction of the electric cores, and every two adjacent electric cores are connected into a whole through a gum polycarbonate spacer.
Namely the utility model discloses the quantity of well electric core and electric core subassembly can design according to actual electric quantity needs and installation space size, and the size of battery module, shape can be designed along with installation space promptly, have improved its suitability. Use gum polycarbonate spacer to bond each electric core, use gum epoxy board to separate between two electric core subassemblies, play fixed and insulating effect.
According to the further scheme, a collecting plate and an upper cover are sequentially arranged on the top end face of the battery cell module, and the collecting plate is used for serially connecting positive and negative poles of all battery cells in the battery cell module; the upper cover is fixedly connected with the acquisition board through a bolt.
According to a further scheme, the collecting plate comprises a bus bar and insulating films thermally compounded on two sides of the collecting plate, one end of the bus bar is fixedly connected with an output bar, and the other end of the bus bar is connected with a temperature sensing collecting joint.
Preferably, the two ends of the collecting plate are connected with the mounting frame through bolts, and the output row and the temperature sensing collecting joint are respectively connected with the fixing seats on the end plates.
The utility model discloses well end plate body is made, the insulating boot is made by insulating material using die-casting aluminium, uses the end plate body to resist the inflation in electric core later stage at the both ends of electric core module, adopts the insulating boot to insulate between end plate body and the electric core, uses gum epoxy board between two electric core subassemblies, plays insulating and thermal-insulated effect, in the use of later stage, has greatly ensured the safety in utilization of battery module.
The reinforcing frame positioned at the top end of the end plate body serves as a reinforcing rib reinforcing structure, so that the expansion resistance is achieved; the fixing hole on the end plate body is used for installing the battery module.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is an exploded schematic view of figure 1,
figure 3 is a schematic view of the usage state of the utility model,
figure 4 is a schematic structural diagram of the cell module of figure 3,
figure 5 is a schematic view of the acquisition plate of figure 3,
in the figure: 1-battery cell module, 11-battery cell module, 12-battery cell, 13-gum epoxy plate and 14-gum polycarbonate spacer;
2-fixing band, 21-steel band, 22-plastic band;
3-end plate, 31-end plate body, 32-mounting frame, 33-insulating cover, 331-frame body, 332-reinforcing frame, 333-ribbon limiting groove, 334-mounting groove, 335-fixing hole and 34-fixing seat;
4-collection plate, 41-bus bar, 42-temperature-sensing collection connector, 43-output bar;
and 5, covering.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention.
As shown in fig. 1 to 5, an end plate of a battery module, where the end plate 3 includes an end plate body 31 and an insulating cover 33, and one side of the insulating cover 33 is connected to the end plate body 31, and the other side is abutted to the cell module 1; a fixed seat 34 is arranged on the inner side wall of the end plate body 31; a mounting bracket 32 is mounted on the top end of the insulating cover 33).
The utility model discloses well end plate body is made, the insulating boot is made by insulating material using die-casting aluminium, uses the end plate body to resist the inflation in electric core later stage at the both ends of electric core module, adopts the insulating boot to insulate between end plate body and the electric core, uses gum epoxy board between two electric core subassemblies, plays insulating and thermal-insulated effect, in the use of later stage, has greatly ensured the safety in utilization of battery module.
Further, the end plate body 31 includes a frame body 331, two ends of a top end surface of the frame body 331 are respectively and fixedly provided with a reinforcing frame 332, a mounting groove 334 for mounting the fixing seat 34 is respectively formed between the two reinforcing frames 332, and a bottom end surface of the frame body 331 is provided with a fixing hole 335.
The reinforcing frame positioned at the top end of the end plate body serves as a reinforcing rib reinforcing structure, so that the expansion resistance is achieved; the fixing hole on the end plate body is used for installing the battery module.
In a further scheme, a binding belt limiting groove 333 is formed in the outer edge of the frame body 331. The fixing bands are limited, so that the fixing bands can be conveniently bundled up and prevented from deviating.
In a further scheme, the battery cell module 1 comprises at least two battery cell assemblies 11, the battery cell assemblies 11 are stacked in the width direction of the battery cell assemblies, and every two adjacent battery cell assemblies 11 are bonded into a whole through an adhesive-backed epoxy plate 13; the battery core assembly 11 comprises at least two battery cores 12, the battery cores 12 are overlapped in the thickness direction of the battery cores, and every two adjacent battery cores 12 are connected into a whole through a back adhesive polycarbonate spacer 14.
Namely the utility model discloses the quantity of well electric core and electric core subassembly can design according to actual electric quantity needs and installation space size, and the size of battery module, shape can be designed along with installation space promptly, have improved its suitability. Use gum polycarbonate spacer to bond each electric core, use gum epoxy board to separate between two electric core subassemblies, play fixed and insulating effect.
In a further scheme, a collecting plate 4 and an upper cover 5 are sequentially arranged on the top end face of the battery cell module 1, and the collecting plate 4 connects the positive and negative poles of all battery cells 12 in the battery cell module 1 in series; the upper cover 5 is fixedly connected with the acquisition plate 4 through bolts.
Furthermore, the collecting plate 4 includes a bus bar 41 and insulating films thermally compounded on two sides of the collecting plate 4, one end of the bus bar 41 is fixedly connected with an output bar 43, and the other end is connected with a temperature-sensing collecting joint 42.
Preferably, the two ends of the collecting plate 4 are connected with the mounting frame 32 through bolts, and the output row 43 and the temperature sensing collecting joint 42 are respectively connected with the fixing seat 34 on the end plate.
The fixed seat 34 connected with the output row 43 and the temperature-sensing collecting joint 42 on the collecting plate and the mounting frame 32 connected with the collecting plate are mounted on the end plate in advance. During assembly, the two end plates 3 are assembled at two ends of the cell module 1 (the right end plate is not drawn in fig. 3), convex ribs extending outwards are arranged around the outer side of the insulating cover 31 in the end plate 3, and the convex ribs are just clamped around the first row of cells in the cell module 1; still can use the double faced adhesive tape to bond end plate 3 and electric core module 1, be equivalent to with end plate 3 and electric core module 1 pre-fixation, made things convenient for the fixed operation of following fixed band 2. Then use fixed band 2 to tie up fixedly, it is fixed that the first half uses steel ribbon 21, the latter half uses PET plastics ribbon 22 fixed promptly at electric core module, has improved the fastness of fixed band, has also avoided damaging the danger of fixed band because of electric core inflation simultaneously. Then, the acquisition board 4 is arranged on the top end face of the battery cell module 1, and the output row 43 and the temperature sensing acquisition connector 42 on the acquisition board are respectively connected with the fixed seat 34 on the end plate; then, two ends of the collecting plate 4 are fixedly connected with a mounting rack 32 on the end plate through bolts; and finally, installing an upper cover 5, and fixedly connecting the upper cover 5 with the acquisition plate 4 through bolts to assemble the battery module.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An end plate of battery module which characterized in that: the end plate (3) comprises an end plate body (31) and an insulating cover (33), one side of the insulating cover (33) is connected with the end plate body (31), and the other side of the insulating cover (33) is abutted to the battery cell module (1); a fixed seat (34) is arranged on the inner side wall of the end plate body (31); and a mounting rack (32) is mounted at the top end of the insulating cover (33).
2. The end plate of a battery module according to claim 1, wherein: the end plate body (31) comprises a frame body (331), two ends of the top end face of the frame body (331) are respectively and fixedly provided with a reinforcing frame (332), a mounting groove (334) used for mounting the fixing seat (34) is formed between the two reinforcing frames (332), and a fixing hole (335) is formed in the bottom end face of the frame body (331).
3. The end plate of a battery module according to claim 2, wherein: and a binding belt limiting groove (333) is formed in the outer edge of the frame body (331).
4. The end plate of a battery module according to claim 1, wherein: the battery core module (1) comprises at least two battery core assemblies (11), the battery core assemblies (11) are overlapped in the width direction of the battery core assemblies, and every two adjacent battery core assemblies (11) are bonded into a whole through a back adhesive epoxy plate (13); the battery core assembly (11) comprises at least two battery cores (12), the battery cores (12) are overlapped in the thickness direction of the battery cores, and every two adjacent battery cores (12) are connected into a whole through a back adhesive polycarbonate spacer (14).
5. The end plate of a battery module according to claim 1, wherein: the battery cell module is characterized in that a collecting plate (4) and an upper cover (5) are sequentially arranged on the top end face of the battery cell module (1), and positive and negative poles of all battery cells (12) in the battery cell module (1) are connected in series through the collecting plate (4); the upper cover (5) is fixedly connected with the acquisition plate (4) through bolts.
6. The end plate of a battery module according to claim 5, wherein: the collecting plate (4) comprises a bus bar (41) and insulating films thermally compounded on two sides of the collecting plate (4), one end of the bus bar (41) is fixedly connected with an output bar (43), and the other end of the bus bar is connected with a temperature-sensing collecting joint (42).
7. The end plate of a battery module according to claim 6, wherein: gather the both ends of board (4) pass through the bolt with mounting bracket (32) are connected, output row (43) and temperature are gathered and are connected with fixing base (34) on the end plate respectively with temperature sensing collection joint (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121029624.8U CN215184284U (en) | 2021-05-13 | 2021-05-13 | End plate of battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121029624.8U CN215184284U (en) | 2021-05-13 | 2021-05-13 | End plate of battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215184284U true CN215184284U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121029624.8U Active CN215184284U (en) | 2021-05-13 | 2021-05-13 | End plate of battery module |
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| CN (1) | CN215184284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021209A1 (en) * | 2022-07-26 | 2024-02-01 | 湖北亿纬动力有限公司 | Battery module and battery pack |
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2021
- 2021-05-13 CN CN202121029624.8U patent/CN215184284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021209A1 (en) * | 2022-07-26 | 2024-02-01 | 湖北亿纬动力有限公司 | Battery module and battery pack |
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