CN210006811U - Battery pack's electric core group, battery pack and vehicle - Google Patents
Battery pack's electric core group, battery pack and vehicle Download PDFInfo
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- CN210006811U CN210006811U CN201921425723.0U CN201921425723U CN210006811U CN 210006811 U CN210006811 U CN 210006811U CN 201921425723 U CN201921425723 U CN 201921425723U CN 210006811 U CN210006811 U CN 210006811U
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- circuit board
- electric core
- battery pack
- flexible circuit
- bus bar
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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 an electric core group, battery package and vehicle of battery package the electric core group of this battery package includes electric core group body, electric core group body includes a plurality of electric cores, a plurality of busbar, every busbar electrical connection is two electric core, flexible circuit board with busbar bonding links to each other and electrical connection according to the utility model discloses an electric core group of battery package through linking to each other flexible circuit board and busbar bonding realization flexible circuit board's fixed, need not to set up supporting structure, has effectively alleviateed the weight of electric core group, has reduced manufacturing cost to connection structure is firm reliable, easily simplifies manufacturing procedure.
Description
Technical Field
The utility model relates to an automotive filed particularly, relates to electric core group, battery package and the vehicle of kinds of battery packages.
Background
The current trend in power battery design is to reduce weight and cost, and the module is the key component of the battery pack. The existing module fixes a flexible circuit board (FPC) through a bus bar support, but the design of the bus bar support is often heavy and high in cost, and the design requirement of a power battery is not met.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an electric core set of kinds of battery packs to save the bracket structure and reduce the weight and production cost of the electric core set.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
electric core group of the battery pack comprises an electric core group body, a plurality of busbars and a flexible circuit board, wherein the electric core group body comprises a plurality of electric cores, each busbar is electrically connected with two electric cores, and the flexible circuit board is connected with the busbars in an adhering mode and is electrically connected with the busbars.
According to the utility model discloses an some embodiments, the flexible circuit board paste be fixed in the busbar dorsad the side of plug group body.
According to the utility model discloses an some embodiments, flexible circuit board with the busbar links to each other through the double faced adhesive tape bonding, just flexible circuit board with the busbar passes through the nickel piece welding and links to each other.
According to the utility model discloses an some embodiments, the flexible circuit board includes the circuit board main part, the circuit board main part bonds and is fixed in the busbar, the connector is located the end of circuit board main part, the connector bonds and is fixed in the electric core group body.
, the connector is connected with the electric core assembly body through double-sided adhesive tape bonding.
According to the utility model discloses an some embodiments, it is a plurality of the electricity core is along direction stack setting, the electricity core pack body still includes at least end plates, the end plate is located a plurality ofly the electricity core is followed direction at least end, the connector with the end plate bonds and links to each other.
According to of some embodiments of the present invention, a plurality of the busbars are arranged into two busbar sets spaced apart along a second direction, each of the busbar sets includes a plurality of the busbars spaced apart along a th direction perpendicular to the second direction, the circuit board main body includes two sub circuit board main bodies, in the second direction, of the sub circuit board main bodies are aligned with at least edges of of the busbar sets, wherein another of the sub circuit board main bodies are aligned with at least edges of another of the busbar sets.
According to of some embodiments of the present invention, the upper surface of the plurality of busbars is coplanar with the portion of the flexible circuit board to which it is bonded.
Compared with the prior art, the casing of battery package have following advantage:
through linking to each other the flexible circuit board with the busbar bonding and realizing the fixed of flexible circuit board, need not to set up supporting structure, effectively alleviateed the weight of electric core group, reduced manufacturing cost to connection structure is firm reliable, easily simplifies manufacturing procedure.
The utility model discloses an in addition aim at provide kinds of battery package, including the electric core group of the battery package of above-mentioned embodiment.
Compared with the prior art, the advantage that battery package has is the same with the advantage that electric core group has, no longer gives unnecessary details here.
The utility model discloses a items aim at propose kinds of vehicles again, its characterized in that, including the battery package of above-mentioned embodiment.
Compared with the prior art, the vehicle has the same advantages as the battery pack, and is not repeated here.
Drawings
The accompanying drawings, which form part of the present invention, are provided to provide an understanding of the present invention with respect to step , the exemplary embodiments and descriptions thereof are provided to explain the present invention and not to constitute an undue limitation on the invention, in the accompanying drawings:
fig. 1 is an exploded view of the electric core assembly according to the embodiment of the present invention;
fig. 2 is a partially exploded view of the electric core assembly according to the embodiment of the present invention;
FIG. 3 is a schematic view of the electric core assembly according to the embodiment of the present invention;
fig. 4 is an enlarged schematic view of the structure of fig. 3 at circle a.
Description of reference numerals:
the electric core group 4,
A cell group body 41, a cell 411, an end plate 412,
A bus 42, a bus group 421,
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 4 in conjunction with the embodiments.
Referring to fig. 1 to 4, an electric core pack 4 of a battery pack according to an embodiment of the present invention includes: a core pack body 41, a plurality of bus bars 42, and a flexible circuit board (FPC) 43.
Specifically, the battery cell pack body 41 includes a plurality of battery cells 411, and each bus bar 42 electrically connects two battery cells 411 to transmit electric current, so that the plurality of battery cells 411 may be connected in series or in parallel. The flexible circuit board 43 is electrically connected to the bus bar 42, so that the flexible circuit board 43 can collect information on the voltage of the individual electric cells 411 and the entire electric core pack 4, the maximum temperature and the minimum temperature of the electric core pack 4, and transmit the collected information to a Battery Management System (BMS) of the battery pack, so that the battery management system can control the operation of the electric core pack 4 according to the received information or judge whether the electric core pack 4 is in an optimal operation state, and the like.
In the related art, the flexible circuit board is fixed by the bus bar support, but the design of the bus bar support is often heavy (for example, the weight of the plastic support of the standard 355 module is 60g-100g) and high in cost, and the bus bar support can only play a role in fixing the flexible circuit board after being assembled into the module, so that the weight and the cost cannot be reduced to the maximum extent.
And in this application, bond flexible circuit board 43 and busbar 42 and link to each other to realize flexible circuit board 43's fixed, need not to set up supporting structure, reduced spare part quantity, effectively alleviateed electric core group 4's weight, saved the mould expense, the raw materials expense etc. of plastic support, shortened research and development cycle, reduced manufacturing cost, make electric core group 4's structure compacter simultaneously, the volume is littleer. Moreover, the flexible circuit board 43 is directly bonded with the bus bar 42, so that the flexible circuit board 43 and the bus bar 42 can be electrically connected conveniently, the processing operation is easier, and the structural design is reasonable. In addition, the bonding connection mode is firm and reliable, and the cost is low.
According to the utility model discloses electric core group 4 of battery package through with flexible circuit board 43 and busbar 42 bonding phase even realize flexible circuit board 43 fixed, need not to set up supporting structure, has effectively alleviateed electric core group 4's weight, has reduced manufacturing cost to connection structure is firm reliable, easily simplifies manufacturing procedure.
According to the embodiments of the present invention , as shown in fig. 4, the flexible circuit board 43 is adhered to the side of the busbar 42 facing away from the electric core assembly 41, therefore, in the production process, the busbar 42 can be electrically connected to the electric core 411, for example, the busbar 42 is welded to the electric core 411 by laser welding, so as to realize high voltage connection between a plurality of electric cores 411, then the flexible circuit board 43 is adhered to the busbar 42, and finally, the electrical connection between the flexible circuit board 43 and the busbar 42 is realized by processes such as laser welding, so that the processing steps are simple and orderly, and the production efficiency is easily improved.
In , the flexible circuit board 43 and the bus bar 42 can be bonded together by a double-sided adhesive tape, which is firm in bonding and low in price, and is beneficial to reducing the production cost.
In , as shown in fig. 4, the flexible circuit board 43 and the bus bar 42 can be connected by welding through the nickel sheet 434, the nickel sheet 434 can not only realize the electrical connection between the flexible circuit board 43 and the bus bar 42, but also can further improve the reliability of the fixed connection between the flexible circuit board 43 and the bus bar 42, and the flexible circuit board 43 is double-ensured by the double-sided adhesive and the laser welding of the nickel sheet 434, so that the fixation is more reliable.
According to embodiments of the present invention, as shown in fig. 1, the flexible circuit board 43 may include a circuit board main body 431 and a connector 432, wherein, as shown in fig. 4, the circuit board main body 431 is adhesively fixed to the bus bar 42, the connector 432 is disposed at the end of the circuit board main body 431, and the connector 432 is adhesively fixed to the core assembly body 41, so that the flexible circuit board 43 may be fixed at two positions of the circuit board main body 431 and the connector 432, and the fixing range is and is more secure.
, the connector 432 can be connected with the electric core assembly body 41 through double-sided adhesive tape bonding, so that the bonding structure is firm and reliable, and the cost is reduced.
In the embodiments of the present invention, as shown in fig. 1 and 4, a plurality of battery cells 411 can be stacked along the direction, the battery cell assembly 41 can further include at least end plates 412, the end plates 412 are disposed at least ends of the plurality of battery cells 411 along the direction, and the connector 432 can be connected with the end plates 412 in an adhesive manner.
In , as shown in fig. 1 and 4, the plurality of bus bars 42 may be arranged as two bus bar sets 421, each bus bar set 421 includes a plurality of bus bars 42, and the plurality of bus bars 42 in the same bus bar sets 421 are spaced along the th direction, the two bus bar sets 421 are spaced along the second direction, and the th direction and the second direction are perpendicular to each other.
Correspondingly, the circuit board main body 431 comprises two sub circuit board main bodies 433, the two sub circuit board main bodies 433 are spaced apart along the second direction and are arranged corresponding to the two bus bar groups 421 . furthermore, in the second direction, of the sub circuit board main bodies 433 are aligned with at least edges of of the bus bar groups 421, and of the sub circuit board main bodies 433 are aligned with at least edges of of the bus bar groups 421.
According to the utility model discloses a some embodiments, the part coplane that is used for with flexible circuit board 43 bonding of a plurality of busbar 42's upper surface to make flexible circuit board 43 can be through sticky tiling to busbar 42's surface, flexible circuit board 43 is difficult for taking place the incline, buckling, is favorable to guaranteeing flexible circuit board 43's structural stability, and when flexible circuit board 43 was fixed, it is more firm to bond between glue and the busbar 42, is difficult for appearing the gap.
According to another aspect of the present invention, the battery pack includes the battery pack 4 of the above embodiment.
According to the utility model discloses the vehicle of aspect embodiment again, including the battery package of above-mentioned embodiment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1, kinds of battery pack's electric core group (4), characterized by, includes:
a cell pack body (41), the cell pack body (41) comprising a plurality of cells (411);
a plurality of busbars (42), each busbar (42) electrically connecting two of the cells (411);
a flexible circuit board (43), wherein the flexible circuit board (43) is connected with the bus bar (42) in an adhering mode and is electrically connected.
2. The electric core pack (4) of the battery pack according to claim 1, wherein the flexible circuit board (43) is adhesively fixed to the bus bar (42) at the side facing away from the electric core pack body (41).
3. The electric core pack (4) of the battery pack according to claim 1, wherein the flexible circuit board (43) and the bus bar (42) are connected by double-sided adhesive bonding, and the flexible circuit board (43) and the bus bar (42) are connected by welding through a nickel sheet (434).
4. The battery pack of electric core (4) according to claim 1, wherein the flexible circuit board (43) comprises:
a circuit board main body (431), wherein the circuit board main body (431) is adhered and fixed on the bus bar (42);
the connector (432), the connector (432) is arranged at the end of the circuit board main body (431), and the connector (432) is adhesively fixed on the electric core assembly body (41).
5. The electric core pack (4) of the battery pack according to claim 4, wherein the connector (432) is connected to the electric core pack body (41) by means of double-sided adhesive bonding.
6. The electric core pack (4) of the battery pack according to claim 4, wherein a plurality of the electric cells (411) are stacked in the th direction, and the electric core pack body (41) further comprises:
at least end plates (412), the end plates (412) are arranged at least ends of the battery cells (411) along the direction, and the connector (432) is connected with the end plates (412) in an adhering mode.
7. The electric core pack (4) of the battery pack according to claim 4, wherein a plurality of the bus bars (42) are provided as two bus bar groups (421) spaced apart in a second direction, each of the bus bar groups (421) includes a plurality of the bus bars (42) spaced apart in a th direction perpendicular to the second direction,
the circuit board body (431) includes two sub circuit board bodies (433), wherein in the second direction, of the sub circuit board bodies (433) are aligned with at least edges of of the bus bar groups (421), wherein another of the sub circuit board bodies (433) are aligned with at least edges of another of the bus bar groups (421).
8. The electric core pack (4) of battery pack according to claim 1, wherein the portions of the upper surfaces of the bus bars (42) for bonding with the flexible circuit board (43) are coplanar.
A battery pack of , characterized in that it comprises the battery pack of electric cores (4) of the battery pack of any of of claims 1-8.
A vehicle of , comprising the battery pack of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425723.0U CN210006811U (en) | 2019-08-29 | 2019-08-29 | Battery pack's electric core group, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425723.0U CN210006811U (en) | 2019-08-29 | 2019-08-29 | Battery pack's electric core group, battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210006811U true CN210006811U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921425723.0U Active CN210006811U (en) | 2019-08-29 | 2019-08-29 | Battery pack's electric core group, battery pack and vehicle |
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| Country | Link |
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| CN (1) | CN210006811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467281A (en) * | 2020-11-30 | 2021-03-09 | 远景动力技术(江苏)有限公司 | Battery pack and battery module thereof |
| WO2024055508A1 (en) * | 2022-09-14 | 2024-03-21 | 合肥国轩高科动力能源有限公司 | Battery cell module and battery pack |
-
2019
- 2019-08-29 CN CN201921425723.0U patent/CN210006811U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467281A (en) * | 2020-11-30 | 2021-03-09 | 远景动力技术(江苏)有限公司 | Battery pack and battery module thereof |
| WO2024055508A1 (en) * | 2022-09-14 | 2024-03-21 | 合肥国轩高科动力能源有限公司 | Battery cell module and battery pack |
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