CN210325937U - Novel battery module - Google Patents
Novel battery module Download PDFInfo
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- CN210325937U CN210325937U CN201921622460.2U CN201921622460U CN210325937U CN 210325937 U CN210325937 U CN 210325937U CN 201921622460 U CN201921622460 U CN 201921622460U CN 210325937 U CN210325937 U CN 210325937U
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- end cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a novel battery module, which comprises a module body, wherein a stacking battery core is movably arranged in the module body, a rear plastic end cover plate assembly body is movably mounted on the outer surface of one side of the stacking battery core, a rear insulating cover is movably mounted on the outer surface of one side of the rear plastic end cover plate assembly body, an end cover plate is movably arranged on the outer surface of one side of the rear insulating cover, a front plastic end cover plate assembly body is movably arranged on the outer surface of the other side of the stacking battery core, a front insulating cover is movably arranged on one side of the outer surface of one side of the front plastic end cover plate assembly body, which is far away from the stacking battery core, an electrode outlet insulating cover is movably arranged on one side of the outer surface of one side of the front insulating cover, which is far away from the stacking battery core, lower enveloping parts are arranged on the front side and the rear side of the stacking battery core, the lower enveloping parts are welded with the end cover plate, and the upper enveloping parts are fixedly arranged on the two sides of the outer surface of the upper end of the lower enveloping parts. The utility model discloses, can reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency.
Description
Technical Field
The utility model relates to a battery field, more specifically the utility model relates to a battery module.
Background
In recent years, with the development of new energy automobiles, people have higher and higher requirements on endurance mileage. Furthermore, as subsidies move back, the cost performance of a00 and a0 class vehicles decreases and market share decreases. The system energy requirements for battery systems are therefore significantly increased. The battery system based on 355/390 module design, because the module quantity is more, not only the battery system design degree of difficulty increases, and production manufacturing process also can be more and more complicated. Through simulation and experimental analysis, it can be known that as the number of modules is increased, the natural frequency of the battery system is reduced, and the possibility that the battery system fails in a vibration test is increased. In the process of manufacturing, the number of modules increases, which increases the number of bolts to be fastened, and this inevitably reduces the manufacturing efficiency of the battery system.
Therefore, a novel battery module is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel battery module, reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel battery module comprises a module body, wherein a stacking battery core is movably arranged in the module body, a rear plastic end cover plate assembly body is movably arranged on the outer surface of one side of the stacking battery core, a rear insulating cover is movably arranged on the outer surface of one side of the rear plastic end cover plate assembly body, an end cover plate is movably arranged on the outer surface of one side of the rear insulating cover, a front plastic end cover plate assembly body is movably arranged on the outer surface of the other side of the stacking battery core, a front insulating cover is movably arranged on one side of the outer surface of one side of the front plastic end cover plate assembly body, which is far away from the stacking battery core, a leading-out insulating cover is movably arranged on one side of the outer surface of one side of the front insulating cover, a lower enveloping member is arranged on the front side and the rear side of the stacking battery core, an upper enveloping member is fixedly arranged on, and the outer surface of the upper end of the FPC acquisition line is provided with buffering foam.
The front plastic end cover plate is provided with a positioning block which is matched and positioned with the lower enveloping member, the front plastic end cover plate assembly is arranged at the front side of the stacking battery core, the battery core lug is bent, the FPC acquisition line is pasted at an accurate position, then the battery core lug and the voltage acquisition sheet are respectively welded on the series copper bar by laser welding, then the front insulating cover and the rear insulating cover are arranged, the front insulating cover and the rear insulating cover are positioned by the lower enveloping member and the front plastic end cover plate assembly, the end cover plate is positioned and arranged by the front insulating cover and the rear insulating cover and keeps the position of the end cover plate and the voltage acquisition sheet fixed by a tool, then the end cover plate and the lower enveloping member are welded, the battery module is arranged on a special welding tool, the two sides and the bottom of the end cover plate are respectively welded on the lower enveloping member by a butt welding mode, and the buffering foam is pasted at the accurate position of the upper side of the, on will going up the envelope and installing battery module, the bolt is screwed up at both ends to guarantee to go up the envelope and wrap at the top with envelope down, accomplish the penetration weld of envelope and envelope down at last, guarantee holistic welding strength, reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency.
Preferably, the front plastic end cover plate is arranged inside the front plastic end cover plate assembly body, the series copper bars are welded inside the front plastic end cover plate, and the battery cell lug and the voltage acquisition piece are welded on the outer surface of one side of each series copper bar.
And the traditional bolt type connection is avoided by adopting hot melting type connection, so that the process production efficiency is improved.
Preferably, the lower enveloping member is of a U-shaped structure, the stacking battery cell is located inside the U-shaped structure, and the stacking battery cell and the lower enveloping member are fixed through an adhesive structure.
And the U-shaped structure in the lower enveloping part is used for accommodating the stacking battery core.
Preferably, the front plastic end cover plate assembly and the rear plastic end cover plate assembly connect the tabs of the battery cell in series or in parallel by laser welding.
And the tab of the battery cell is prevented from falling off for a long time by using laser welding.
Preferably, the end cover plate is of a cast aluminum structure, and butt welding seams are welded between the two side faces and the bottom face of the assembly and the lower enveloping member respectively by laser.
The cast aluminum structure enables the device body to have high strength and high processing efficiency.
Preferably, the lower enveloping part and the upper enveloping part are of aluminum stamping structures, and the lower enveloping part and the upper enveloping part are fixed by penetration welding on a joint surface by laser welding.
The aluminum product has strong plasticity and good machinability, and reduces the design difficulty of a battery system to a certain extent.
Preferably, the lower enveloping part and the upper enveloping part are respectively punched with long ribs in the length direction of the two parts.
For increasing the strength of the part.
Compared with the prior art, the beneficial effects of the utility model are that:
the front plastic end cover plate is provided with a positioning block which is matched and positioned with the lower enveloping member, the front plastic end cover plate assembly is arranged at the front side of the stacking battery core, the battery core lug is bent, the FPC acquisition line is pasted at an accurate position, then the battery core lug and the voltage acquisition sheet are respectively welded on the series copper bar by laser welding, then the front insulating cover and the rear insulating cover are arranged, the front insulating cover and the rear insulating cover are positioned by the lower enveloping member and the front plastic end cover plate assembly, the end cover plate is positioned and arranged by the front insulating cover and the rear insulating cover and keeps the position of the end cover plate and the voltage acquisition sheet fixed by a tool, then the end cover plate and the lower enveloping member are welded, the battery module is arranged on a special welding tool, the two sides and the bottom of the end cover plate are respectively welded on the lower enveloping member by a butt welding mode, and the buffering foam is pasted at the accurate position of the upper side of the, on will going up the envelope and installing battery module, the bolt is screwed up at both ends to guarantee to go up the envelope and wrap at the top with envelope down, accomplish the penetration weld of envelope and envelope down at last, guarantee holistic welding strength, reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency.
Drawings
Fig. 1 is an exploded view of a battery module according to the present invention;
fig. 2 is an exploded view of the front plastic cover plate assembly of the battery module of the present invention;
fig. 3 is a side view of the lower enveloping member of the battery module of the present invention.
In the figure: 1. assembling a body; 2. a rear insulating cover; 3. a rear plastic end cover assembly; 4. an FPC acquisition line; 5. buffering foam; 6. an upper enveloping member; 7. a front plastic end cover assembly; 8. a front insulating cover; 9. an electrode outlet insulating cover; 10. a lower envelope; 11. stacking the battery cores; 12. an end cover plate; 701. a front plastic end cover plate; 702. Copper bars are connected in series.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a novel battery module is shown in figures 1-2 and comprises a module body 1, a stacking battery core 11 is movably mounted in the module body 1, a rear plastic end cover plate assembly body 3 is movably mounted on the outer surface of one side of the stacking battery core 11, a rear insulating cover 2 is movably mounted on the outer surface of one side of the rear plastic end cover plate assembly body 3, an end cover plate 12 is movably mounted on the outer surface of one side of the rear insulating cover 2, a front plastic end cover plate assembly body 7 is movably mounted on the outer surface of the other side of the stacking battery core 11, a front insulating cover 8 is movably mounted on one side of the front plastic end cover plate assembly body 7, which is far away from the stacking battery core 11, an electrode insulating cover 9 is movably mounted on one side of the front insulating cover 8, which is far away from the stacking battery core 11, lower enveloping members 10 are arranged on the front and rear sides of the stacking battery core, FPC acquisition lines 4 are arranged on the upper side of the stacking battery cell 11 and on two sides of the front plastic end cover plate assembly body 7 and the rear plastic end cover plate assembly body 3, and buffering foam 5 is arranged on the outer surface of the upper end of each FPC acquisition line 4;
as shown in fig. 3, a front plastic end cover plate 701 is arranged inside the front plastic end cover plate assembly body 7, a serial copper bar 702 is welded inside the front plastic end cover plate 701, and a battery core tab and a voltage collecting plate are welded on the outer surface of one side of the serial copper bar 702.
By adopting the technical scheme, a positioning block is arranged on the front plastic end cover plate 701 to be matched and positioned with the lower enveloping member 10, the front plastic end cover plate assembly 7 is installed behind the front side of the stacking battery cell 11, the battery cell tab is bent, the FPC acquisition line 4 is pasted to an accurate position, then the battery cell tab and the voltage acquisition sheet are respectively welded on the series copper bar 702 by means of laser welding, then the front insulating cover 8 and the rear insulating cover 2 are installed, the front insulating cover 8 and the rear insulating cover 2 are positioned by means of the lower enveloping member 10 and the front plastic end cover plate assembly 7, the end cover plate 12 is positioned and installed by means of the front insulating cover 8 and the rear insulating cover 2 and is kept in a fixed position by means of a tool, then the end cover plate 12 and the lower enveloping member 10 are welded, a battery module is installed on a special welding tool, the two sides and the bottom of the end cover plate 12 are respectively welded on the lower enveloping member 10 by means of butt welding, after the welding is accomplished, will cushion the bubble cotton 5 and paste the accurate position of 11 upsides of pile up neatly electricity core, will go up on envelope 6 installs the battery module, the bolt is screwed up at both ends to guarantee that envelope 6 will be wrapped at the top down envelope 10, accomplish the penetration welding of envelope 6 and envelope 10 down at last, guarantee holistic welding strength, reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency.
Specifically, as shown in fig. 3, a front plastic end cover plate 701 is arranged inside the front plastic end cover plate assembly 7, a serial copper bar 702 is welded inside the front plastic end cover plate 701, and a battery core tab and a voltage collecting plate are welded on the outer surface of one side of the serial copper bar 702.
By adopting the technical scheme, the hot-melting connection is adopted, the traditional bolt connection is avoided, and the process production efficiency is improved.
Specifically, as shown in fig. 1, the lower envelope member 10 is a U-shaped structure, the stacking battery cell 11 is located inside the U-shaped structure, and the stacking battery cell 11 and the lower envelope member 10 are fixed by using an adhesive structure.
Through adopting above-mentioned technical scheme, the inside U type structure of lower envelope 10 is accomodate pile of neatly electricity core 11.
Specifically, as shown in fig. 1, the front plastic end cover assembly 7 and the rear plastic end cover assembly 3 connect the tabs of the battery cells in series or in parallel by laser welding.
Through adopting above-mentioned technical scheme, use laser welding, prevent that the utmost point ear of electric core from droing for a long time because of the time.
Specifically, as shown in fig. 2, the end cover plate 12 is made of cast aluminum, and butt-welding seams are respectively welded between two side surfaces and a bottom surface of the assembly 1 and the lower enveloping member 10 by using laser.
Through adopting above-mentioned technical scheme, cast aluminium structure and make device body intensity high, machining efficiency is high.
Specifically, as shown in fig. 2, the lower enveloping member 10 and the upper enveloping member 6 are made of an aluminum stamping structure, and the lower enveloping member 10 and the upper enveloping member 6 are fixed by penetration welding at a joint surface by laser welding.
By adopting the technical scheme, the aluminum product has strong plasticity and good machinability, and the design difficulty of a battery system is reduced to a certain extent.
Specifically, as shown in fig. 1, the lower enveloping member 10 and the upper enveloping member 6 are respectively punched with long ribs in the length direction of the two parts.
Through adopting above-mentioned technical scheme for increase part intensity.
The working principle is as follows: the novel battery module is characterized in that a positioning block is arranged on a front plastic end cover plate 701 to be matched and positioned with a lower enveloping member 10, a front plastic end cover plate assembly 7 is arranged behind the front side of a stacking battery cell 11 to bend a battery cell tab, an FPC acquisition line 4 is pasted to an accurate position, then the battery cell tab and a voltage acquisition sheet are respectively welded on a series copper bar 702 by means of laser welding, a front insulating cover 8 and a rear insulating cover 2 are arranged, the front insulating cover 8 and the rear insulating cover 2 are positioned by means of the lower enveloping member 10 and the front plastic end cover plate assembly 7, an end cover plate 12 is positioned and installed by means of the front insulating cover 8 and the rear insulating cover 2 and is kept in a fixed position by means of a tool, then the end cover plate 12 and the lower enveloping member 10 are welded, the battery module is arranged on a special welding tool, the two sides and the bottom of the end cover plate 12 are respectively welded on the lower enveloping member 10 in a butt welding mode, after the welding is accomplished, will cushion the bubble cotton 5 and paste the accurate position of 11 upsides of pile up neatly electricity core, will go up on envelope 6 installs the battery module, the bolt is screwed up at both ends to guarantee that envelope 6 will be wrapped at the top down envelope 10, accomplish the penetration welding of envelope 6 and envelope 10 down at last, guarantee holistic welding strength, reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency.
The using method comprises the following steps: when in use, a positioning block is arranged on the front plastic end cover plate 701 to be matched and positioned with the lower enveloping member 10, the front plastic end cover plate assembly 7 is arranged behind the front side of the stacking battery cell 11, the battery cell tab is bent, the FPC acquisition line 4 is pasted to an accurate position, then the battery cell tab and the voltage acquisition sheet are respectively welded on the series copper bar 702 by means of laser welding, then the front insulating cover 8 and the rear insulating cover 2 are arranged, the front insulating cover 8 and the rear insulating cover 2 are positioned by means of the lower enveloping member 10 and the front plastic end cover plate assembly 7, the end cover plate 12 is positioned and arranged by means of the front insulating cover 8 and the rear insulating cover 2 and is kept in a fixed position by means of a tool, then the end cover plate 12 and the lower enveloping member 10 are welded, a battery module is arranged on a special welding tool, the two sides and the bottom of the end cover plate 12 are respectively welded on the lower enveloping member 10 in a butt welding mode, after the welding is accomplished, will cushion the bubble cotton 5 and paste the accurate position of 11 upsides of pile up neatly electricity core, will go up on envelope 6 installs the battery module, the bolt is screwed up at both ends to guarantee that envelope 6 will be wrapped at the top down envelope 10, accomplish the penetration welding of envelope 6 and envelope 10 down at last, guarantee holistic welding strength, reduce battery system's the design degree of difficulty to a certain extent, improve technology production efficiency.
The installation method comprises the following steps:
firstly, a positioning block is arranged on a front plastic end cover plate 701 to be matched and positioned with a lower enveloping member 10, a front plastic end cover plate assembly 7 is installed at the front side of a stacking battery cell 11, a battery cell lug is bent, an FPC acquisition line 4 is pasted to an accurate position, and then the battery cell lug and a voltage acquisition piece are respectively welded on a series copper bar 702 by means of laser welding;
secondly, mounting a front insulating cover 8 and a rear insulating cover 2, wherein the front insulating cover 8 and the rear insulating cover 2 are positioned by a lower enveloping part 10 and a front plastic end cover plate assembly body 7, and an end cover plate 12 is positioned and mounted by the front insulating cover 8 and the rear insulating cover 2;
thirdly, welding the end cover plate 12 and the lower enveloping member 10, installing the battery module on a special welding tool, and respectively welding the two sides and the bottom of the end cover plate 12 to the lower enveloping member 10 in a butt welding mode;
and fourthly, pasting the buffering foam 5 to the accurate position of the upper side of the stacking battery core 11 after the welding is completed, installing the upper enveloping member 6 on the battery module, screwing bolts at two ends, ensuring that the upper enveloping member 6 wraps the lower enveloping member 10 at the top, and finally completing the penetrating welding of the upper enveloping member 6 and the lower enveloping member 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel battery module, includes the group body (1), its characterized in that: the stacking type battery pack is characterized in that a stacking battery cell (11) is movably mounted in the pack (1), a rear plastic end cover plate assembly body (3) is movably mounted on the outer surface of one side of the stacking battery cell (11), a rear insulating cover (2) is movably mounted on the outer surface of one side of the rear plastic end cover plate assembly body (3), an end cover plate (12) is movably mounted on the outer surface of one side of the rear insulating cover plate (2), a front plastic end cover plate assembly body (7) is movably mounted on the outer surface of the other side of the stacking battery cell (11), a front insulating cover (8) is movably mounted on one side, away from the stacking battery cell (11), of the outer surface of one side of the front insulating cover (8) is movably mounted with an electrode outlet insulating cover (9), lower enveloping members (10) are arranged on the front and rear sides of the stacking battery cell (11), and upper enveloping members (6) are fixedly mounted on, pile up neatly electric core (11) upside and preceding plastics end cover assembly body (7) and back plastics end cover assembly body (3) both sides are provided with FPC and gather line (4), and FPC gathers line (4) upper end surface and is provided with buffering bubble cotton (5).
2. The novel battery module according to claim 1, wherein: preceding plastics end cover board assembly body (7) inside is provided with preceding plastics end cover board (701), and the inside butt fusion of preceding plastics end cover board (701) has series connection copper bar (702), the outer surface welding of one side of series connection copper bar (702) has electric core utmost point ear and voltage acquisition piece.
3. The novel battery module according to claim 1, wherein: the lower enveloping member (10) is of a U-shaped structure, the stacking battery cell (11) is located inside the U-shaped structure, and the stacking battery cell (11) and the lower enveloping member (10) are fixed through an adhesive structure.
4. The novel battery module according to claim 1, wherein: the front plastic end cover plate assembly body (7) and the rear plastic end cover plate assembly body (3) are used for connecting the lugs of the battery cell in series or in parallel in a laser welding mode.
5. The novel battery module according to claim 1, wherein: the end cover plate (12) is of a cast aluminum structure, and butt welding seams are welded between the two side faces and the bottom face of the assembly (1) and the lower enveloping member (10) through laser respectively.
6. The novel battery module according to claim 1, wherein: the lower enveloping part (10) and the upper enveloping part (6) are of aluminum stamping structures, and the lower enveloping part (10) and the upper enveloping part (6) are fixed by penetration welding on a joint surface by laser welding.
7. The novel battery module according to claim 1, wherein: the lower enveloping part (10) and the upper enveloping part (6) are respectively provided with a long rib in the length direction of the two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921622460.2U CN210325937U (en) | 2019-09-27 | 2019-09-27 | Novel battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921622460.2U CN210325937U (en) | 2019-09-27 | 2019-09-27 | Novel battery module |
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| Publication Number | Publication Date |
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| CN210325937U true CN210325937U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921622460.2U Active CN210325937U (en) | 2019-09-27 | 2019-09-27 | Novel battery module |
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| CN (1) | CN210325937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276654A (en) * | 2020-02-10 | 2020-06-12 | 荣盛盟固利新能源科技有限公司 | Battery module |
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2019
- 2019-09-27 CN CN201921622460.2U patent/CN210325937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276654A (en) * | 2020-02-10 | 2020-06-12 | 荣盛盟固利新能源科技有限公司 | Battery module |
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