CN213936461U - Battery module connecting plate assembly and battery module thereof - Google Patents
Battery module connecting plate assembly and battery module thereof Download PDFInfo
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- CN213936461U CN213936461U CN202022599710.4U CN202022599710U CN213936461U CN 213936461 U CN213936461 U CN 213936461U CN 202022599710 U CN202022599710 U CN 202022599710U CN 213936461 U CN213936461 U CN 213936461U
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- 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 relates to a battery module connecting plate assembly and a battery module thereof in the technical field of battery modules, which comprises a female insulating sheet, a sub insulating sheet, an electric connecting plate and a sampling plate; the main body of the female insulating sheet is provided with a first welding hole, the side surface of the main body of the female insulating sheet is provided with a tab diaphragm, and the sub insulating sheet is provided with a second welding hole; the utility model discloses a sampling board, including female insulating piece, electric connection plate, sampling board, sub-insulating piece lower surface cover in the electric connection plate with on the sampling board back with female insulating piece upper surface bonds, utmost point ear diaphragm cover and bond in on the second welding hole. The utility model discloses realize again through predetermined utmost point ear diaphragm that electric core welded connection accomplishes the back that the cladding is insulating, can omit insulating structure such as module upper cover, simplified module structure and preparation technology, reduced module weight and manufacturing cost.
Description
Technical Field
The utility model relates to a battery module technical field specifically, relates to a battery module connecting plate assembly and battery module thereof.
Background
The electric connection structure of power battery module is usually including connecting piece (electricity connection board), PCB or FPC sampling board, and the two passes through the nickel strap and connects, and this system architecture relies on plastics pencil division board or PET insulating film pressfitting technology to realize location and insulating to realize being connected between the electric core.
In the existing electric connection structure of the power battery module, the number of parts in the form of plastic wire harness isolation plates is large, the structure is complex, and the overall size of the module is increased; the plastic wire harness isolation plate has certain rigidity, has no size flexibility, and is easy to break and lose efficacy under the deformation condition; the production process has complex process, difficult assembly and low production efficiency.
The lamination form of the PET insulating film adopts a lamination process to realize structure integration, and due to high lamination temperature, unexpected influence may be generated on electronic devices of a PCB or an FPC sampling board. In addition, the pressing equipment has high power and energy consumption, long pressing time and lower production efficiency.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a battery module connects assembly and battery module thereof.
According to the utility model provides a battery module connecting plate assembly, which comprises a female insulating sheet, a sub insulating sheet, an electric connecting plate and a sampling plate;
the main body of the female insulating sheet is provided with a first welding hole, the side surface of the main body of the female insulating sheet is provided with a tab diaphragm, and the sub insulating sheet is provided with a second welding hole;
the utility model discloses a sampling board, including female insulating piece, electric connection plate, sampling board, sub-insulating piece lower surface cover in the electric connection plate with on the sampling board back with female insulating piece upper surface bonds, utmost point ear diaphragm cover and bond in on the second welding hole.
In some embodiments, the primary insulating sheet is provided with a first avoidance hole, and/or the secondary insulating sheet is provided with a second avoidance hole, and the primary insulating sheet is provided with the tab membrane matched with the second avoidance hole.
In some embodiments, the tab membrane located on the main body side of the female insulating sheet is a plurality of independent membranes, or
The lug diaphragm is a single diaphragm which is positioned on the side surface of the main body of the female insulation sheet and covers the second welding hole and/or the second avoiding hole.
In some embodiments, the main body size of the female insulation sheet is equal to or larger than the overall size of the male insulation sheet.
In some embodiments, the female insulating sheet and the male insulating sheet are an integral structure.
In some embodiments, the parent insulating sheet and/or the child insulating sheet is a PET film or a PC film.
In some embodiments, the release paper is adhered to the back glue of the mother insulation sheet and/or the son insulation sheet.
In some embodiments, the release paper on the female insulation sheet is a split structure, and the female insulation sheet main body and the release paper on the tab membrane can be torn off separately.
The utility model also provides a battery module, including adopting battery module connecting plate assembly.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses realize again through predetermined utmost point ear diaphragm that electric core welded connection accomplishes the back that the cladding is insulating, can omit insulating structure such as module upper cover, also need not to paste alone and cover, simplified module structure and preparation technology, reduced module weight and manufacturing cost.
2. The utility model discloses an insulating piece is flexible structure, not only can effectively solve the inefficacy problem of vibration deformation, can effectively reduce the stress at electric core electrode department simultaneously, reduces electric core welding inefficacy problem.
3. The utility model discloses an insulating piece forms the closed structure with the electric connection structure cladding, can effectively reduce the electromagnetic interference of connecting electric core and near electric core.
4. The utility model discloses a to the improvement of female insulating piece and sub-insulating piece glue film structure, further promote the assembly process and the product quality of battery module connecting plate assembly structure.
5. The utility model discloses a to both structural shape's of female insulating piece and son insulating piece improvement, promote the cladding effect of battery module connecting plate assembly.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is an exploded view of the battery module connecting plate assembly structure of the present invention;
FIG. 2 is a schematic view of the structure of the female insulating sheet of the present invention;
FIG. 3 is a schematic view of the structure of the sub-insulating sheet of the present invention;
fig. 4 is a schematic diagram of the battery module according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
The utility model provides a battery module connecting plate assembly, including female insulating piece 1, sub-insulating piece 2, electric connecting plate 3 and sampling board 4. The electric connecting plate 3 is electrically connected with the sampling plate 4 and then is adhered to the surface of the female insulating sheet 1, and then the sub insulating sheet 2 is covered on the electric connecting plate 3 and the sampling plate 4 in an adhering mode. Female insulating piece 1 and sub-insulating piece 2 are through adhesive connection, wrap up electric link plate 3 and sampling board 4 through female insulating piece 1 and sub-insulating piece 2 then and form battery module connecting plate assembly structure. Specifically, the method comprises the following steps:
Welding holes are also formed in the sub-insulating sheet 2, and here, the welding holes for welding the connecting plate 3 and the cell electrode on the sub-insulating sheet 2 are referred to as second welding holes 21. The sub-insulating sheet 2 may also be provided with a positioning hole or a functional structure avoiding hole for avoiding assembly according to the process requirements, for example, if the fuse structure on the FPC needs to be notched for heat dissipation, the avoiding hole is referred to as a second avoiding hole 22.
When sub-insulating piece 2 covers on connecting plate 3 and sampling board 4 and with the bonding back of female insulating piece 1, will distribute in the utmost point ear diaphragm 13 of 1 main part side of female insulating piece and turn over to cover on second welding hole 21 and second dodge hole 22 to adopt the mode of cementing to bond utmost point ear diaphragm 13 and sub-insulating piece 2, realize insulating cladding and handle. In the above embodiment, the female insulation sheet 1 and the male insulation sheet 2 may be provided with an adhesive layer in advance, or may be bonded by gluing.
The utility model discloses an insulating piece and bonding process are integrated as integrative the assembly structure that forms of whole electric connection structure, adopt plastics pencil division board or PET insulating film pressfitting technology to have apparent advantage among the prior art:
(1) realize again that the cladding is insulating through predetermined utmost point ear diaphragm after realizing electric core welded connection and accomplishing, can omit insulating structure such as module upper cover, also need not to paste alone and cover, simplified module structure and manufacturing process, reduced module weight and manufacturing cost.
(2) The insulating piece that uses is flexible structure, not only can effectively solve the inefficacy problem of vibration deformation, can effectively reduce the stress at electric core electrode department simultaneously, reduces electric core welding inefficacy problem.
(3) The electric connection structure is coated by the insulating sheet to form a closed structure, so that the electromagnetic interference between the connection electric core and the nearby electric core can be effectively reduced.
In a preferred embodiment, the main insulating sheet 1 and the sub insulating sheet 2 are insulating films made of polyester resin (PET) or polycarbonate Plastic (PC), and are formed into structures with matching shapes by a pre-cutting process. The material of the main insulating sheet 1 and the sub insulating sheet 2 may be the same material or different materials.
In the above, the connecting board is a PCB (printed circuit board), and the sampling board is a FPC (flexible circuit board).
Example 2
This embodiment 2 forms on embodiment 1's basis, through the improvement to female insulating piece and sub-insulating piece glue film structure, further promotes the assembly process and the product quality of battery module connecting plate assembly structure. Specifically, the method comprises the following steps:
the female insulation sheet 1 and the sub insulation sheet 2 are adhered with release paper through a preset adhesive layer. Female insulating piece 1 and son insulating piece 2 can further simplify the assembly process of battery module connecting plate assembly through predetermineeing the adhesive layer, and the female insulating piece 1 that has the adhesive layer simultaneously is pasted from type paper with son insulating piece 2 on predetermineeing the adhesive layer, when battery module connecting plate assembly equipment, only need to tear from type paper can, when promoting the packaging efficiency, prevent the damage when female insulating piece 1 and son insulating piece 2 assemble.
Furthermore, the release paper on the surface of the mother insulating sheet 1 is of a split structure, and the main body of the mother insulating sheet 1 and the tab membrane 13 are separated by a preset cutting line, so that when the child insulating sheet 1 is pasted to cover the electric connection structure, the main body part of the release paper can be torn off by the mother insulating sheet 1 in advance, and the release paper on the tab membrane 13 is reserved. After the connection plate 3 and the battery core are welded, the release paper on the tab membrane 13 is torn off, and then the tab membrane is bonded and covered on the second welding hole 21 and the second avoiding hole 22. Set up in female insulating piece 1 surface from type paper and adopt the components of a whole that can function independently structure, conveniently bond at different processes, through the glue film that has protected utmost point ear diaphragm 13 from type paper simultaneously, improved product quality.
Example 3
This embodiment 3 forms on the basis of embodiment 1 or embodiment 2, through the improvement to both structural shape of female insulating piece and sub-insulating piece, promotes the cladding effect of battery module connecting plate assembly. Specifically, the method comprises the following steps:
the size of the main body portion of the parent insulating sheet 1 is equal to or larger than the entire size of the child insulating sheet 2, and it is particularly preferable that the size of the main body portion of the parent insulating sheet 1 is larger than the entire size of the child insulating sheet 2. The size here is the size of length of a side, and when son insulating piece 2 and female insulating piece 1 glue together, the length on every limit of corresponding is not more than the length of a side of female insulating piece 1 for after son insulating piece 2 bonds with female insulating piece 1 mutually, the border of son insulating piece 2 is located within the border of female insulating piece 1, and bonding effect between them is better, and is more firm.
As a modified embodiment, both the parent insulation sheet 1 and the child insulation sheet 2 may be an integral structure, i.e., one side of the parent insulation sheet 1 and the child insulation sheet 2 is connected. The female insulating sheet 1 is used as a parent body, after the connecting plate 2 and the sampling plate 4 are bonded, the connected sub-insulating sheets 2 are closed to be bonded and coated, and the coated closed effect is better. At this time, the sub-insulating sheets 2 can be a single sheet located on one side of the main insulating sheet 1, or two sheets, and are respectively located on two sides of the main insulating sheet 1 and cover the main insulating sheet 1 in a folding manner.
Example 4
This embodiment 4 is a battery module formed on the basis of any one of embodiments 1 to 3, and includes a battery module connecting plate assembly as described in any one of embodiments 1 to 3, and further includes a battery core and other structural members.
This bonding process is integrated integrative with whole electric connection structure, in module production, keeps female insulating piece 1 from type paper upwards place on arranging good electric core, and the electricity core series-parallel connection is realized with electric core electrode to the welded connection board. The connecting terminals and the output positive and negative electrodes of the PCB/FPC can be connected with other systems. Through the battery module that adopts this assembly structure, the location is accurate, and assembly is simple and convenient, and production is high-efficient.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A battery module connecting plate assembly is characterized by comprising a female insulation sheet (1), a sub insulation sheet (2), an electric connection plate (3) and a sampling plate (4);
a first welding hole (11) is formed in the main body of the mother insulation sheet (1), a tab diaphragm (13) is arranged on the side face of the main body of the mother insulation sheet (1), and a second welding hole (21) is formed in the sub insulation sheet (2);
electric connection board (3) with connect after the sampling board (4) electricity bond in the surface of female insulating piece (1), sub-insulating piece (2) lower surface cover in electric connection board (3) with sampling board (4) go up the back with female insulating piece (1) upper surface bonds, utmost point ear diaphragm (13) cover and bond in on second welding hole (21).
2. The battery module connecting plate assembly of claim 1, wherein the female insulating sheet (1) is provided with a first avoiding hole (12), and/or the sub-insulating sheet (2) is provided with a second avoiding hole (22), and the female insulating sheet (1) is provided with the tab membrane (13) adapted to the second avoiding hole (22).
3. The battery module connecting plate assembly of claim 2, wherein the tab membrane (13) on the main body side of the female insulating sheet (1) is a plurality of independent membranes, or
The tab diaphragm (13) is a single diaphragm which is positioned on the side surface of the main body of the female insulation sheet (1) and covers the second welding hole (21) and/or the second avoiding hole (22).
4. The battery module connecting plate assembly according to claim 1, wherein the main sheet body size of the female insulating sheet (1) is equal to or greater than the overall size of the male insulating sheet (2).
5. The battery module connecting plate assembly according to claim 1, wherein the female insulating sheet (1) and the male insulating sheet (2) are of an integral structure.
6. The battery module connecting plate assembly of claim 1, wherein the female insulating sheet (1) and/or the male insulating sheet (2) is a PET film or a PC film.
7. The battery module connecting plate assembly of claim 1, wherein release paper is adhered to the back adhesive of the female insulation sheet (1) and/or the sub-insulation sheet (2).
8. The battery module connecting plate assembly of claim 7, wherein the release paper on the female insulation sheet (1) is a split structure, and the release paper on the female insulation sheet (1) main body and the tab membrane (13) can be torn off separately.
9. A battery module comprising the battery module connecting plate assembly according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599710.4U CN213936461U (en) | 2020-11-11 | 2020-11-11 | Battery module connecting plate assembly and battery module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599710.4U CN213936461U (en) | 2020-11-11 | 2020-11-11 | Battery module connecting plate assembly and battery module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936461U true CN213936461U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022599710.4U Active CN213936461U (en) | 2020-11-11 | 2020-11-11 | Battery module connecting plate assembly and battery module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213936461U (en) |
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2020
- 2020-11-11 CN CN202022599710.4U patent/CN213936461U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room b105, 1st floor, building 4, 1255 Jinhai Road, Pudong New Area Free Trade Zone, Shanghai 200135 Patentee after: SHANGHAI RUIPU ENERGY Co.,Ltd. Patentee after: Ruipu Lanjun Energy Co., Ltd Address before: Room b105, 1st floor, building 4, 1255 Jinhai Road, Pudong New Area Free Trade Zone, Shanghai 200135 Patentee before: SHANGHAI RUIPU ENERGY Co.,Ltd. Patentee before: Ruipu Energy Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |