CN209183627U - A kind of battery pack FPC fixed structure and battery pack - Google Patents
A kind of battery pack FPC fixed structure and battery pack Download PDFInfo
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- CN209183627U CN209183627U CN201920113190.6U CN201920113190U CN209183627U CN 209183627 U CN209183627 U CN 209183627U CN 201920113190 U CN201920113190 U CN 201920113190U CN 209183627 U CN209183627 U CN 209183627U
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- Prior art keywords
- fpc
- battery pack
- upper cover
- fixed structure
- protrusion
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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 relates to battery modules technical fields, more particularly to a kind of battery pack FPC fixed structure and battery pack, wherein fixed structure includes FPC and battery pack upper cover, FPC and the busbar connector of battery pack are welded by aluminium wire, its weld forms multiple solder joints, multiple protrusions are correspondingly provided on battery pack upper cover inner wall, the position of multiple protrusions and multiple solder joints correspond, and raised lower end surface is contacted with the upper surface of FPC.After battery pack upper cover installs, raised butt welding point is contacted with FPC extruding, fixed effect is played to FPC, especially to the solder joint of FPC at, ensure that the stability of FPC, in addition the long-term effectiveness of physical structure, it ensure that FPC stablizes for a long time in battery pack work, it ensure that the normal work of battery pack, while process and equipment need not additionally be increased using the fixation device, saved production cost and improved production efficiency.
Description
Technical field
The utility model relates to battery modules technical fields, and in particular to a kind of battery pack FPC fixed structure and battery pack.
Background technique
For the energy density for promoting loose pattern group, more battery cores are placed as far as possible, mostly using aluminium wire welding technique confluence
Row links together with FPC (flexible circuit board), to realize the acquisition of single string number battery core voltage.
The reliability and the material of busbar connector and the fixation reliability of FPC of aluminium wire welding, which have, directly to be contacted, and busbar connector
It is opened for fine aluminium by mold, the precision various aspects of material and product can match aluminium wire weldering in whole life cycle
Requirement, if FPC falls off in use, it will cause the risk of aluminium wire weld failure, if aluminium wire welding failure, mould
Group will be unable to work normally, and electric vehicle will be out of service, it is seen that and it is how reliable, long periodicity that FPC is fixed, meet
The requirement of aluminium wire welding will become key.
Existing FPC is fixed on the upper surface of busbar connector, and fixed form is mostly two kinds, and one is add partial points using whole gum
The mode of glue, another kind is by the way of rivet hot.Both fixed forms are primarily present following problems, using gum plus partial points
The mode of glue, colloid fails over time, and FPC is caused to fall off, and when in addition fixed using mode for dispensing glue, needs using automatic
Dispenser carry out dispensing processing, due to being limited to the situation of structure space deficiency, can not design point glue groove to dispensing, there are glue
Risk of the water flowing to battery core electrode；Meanwhile next step operation can be just carried out after needing glue curing, virtually delay in this way
Productive temp causes the production efficiency not high.In addition it by the way of rivet hot when fixed FPC, needs to throw when from production line simulation
Enter rivet hot machine equipment, the cost that producing line establishes investment is excessive, and uses on industry or energy storage before hot riveting technique, does not have
Have and used in vehicle-mounted upper batch, if using it to fixed FPC, the stability of technique and long-term reliability can not be protected
Card.
Utility model content
The application provides a kind of battery pack FPC fixed structure and battery pack, it is intended to solve above-mentioned FPC in the prior art and remittance
The fixed technical problem of stream row.
A kind of battery pack FPC fixed structure, including FPC and battery pack upper cover；
The FPC and the busbar connector of battery pack are welded by aluminium wire, and weld forms multiple solder joints, in the battery pack
Multiple protrusions are correspondingly provided on lid inner wall, the lower end surface of the protrusion is contacted with the upper surface of the FPC.
Preferably, the position of multiple solder joints corresponds on the position of the multiple protrusion and the FPC.
Wherein, the protrusion is one of round, semicircle, rectangle or ellipse.
A kind of battery pack, including battery core, busbar connector, FPC and battery pack upper cover, the busbar connector is welded by aluminium wire to be distinguished
It is connect with the battery core and FPC；
Wherein, multiple solder joints are formed on the PFC with the weld of the aluminium wire, are corresponded on the battery pack upper cover inner wall
Equipped with multiple protrusions, the lower end surface of the protrusion is contacted with the upper surface of the FPC.
Preferably, the position of multiple solder joints corresponds on the position of the multiple protrusion and the FPC.
Wherein, the protrusion is one of round, semicircle, rectangle or ellipse.
According to the FPC fixed structure of above-described embodiment, solder joint pair on multiple and FPC is set by covering on the battery pack
The protrusion answered, after upper cover is installed, raised lower end surface is contacted with the upper surface FPC, and certain extruding is carried out to FPC,
The problem of stability for guaranteeing FPC avoids PFC movement or falls off, causes aluminium wire weldering failure.Fixed structure provided by the present application
Add local dispensing with existing gum and compared by the way of rivet hot, ensure that the fixed stability of FPC and permanently effective,
The investment that not will increase additional process and production equipment simultaneously, improves production efficiency and has saved production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under a kind of visual angle of battery pack upper cover of the embodiment of the present application；
Fig. 2 is the structural schematic diagram under the battery pack upper cover another kind visual angle of the embodiment of the present application；
Fig. 3 is the FPC fixed structure assembling schematic diagram of the embodiment of the present application.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.It is wherein different to implement
Similar component uses associated similar element numbers in mode.In the following embodiments, many datail descriptions are
In order to enable the application can be better understood.However, those skilled in the art can recognize without lifting an eyebrow, it is part of
Feature is dispensed in varied situations, or can be substituted by other elements, material, method.In some cases,
The relevant some operations of the application are there is no display in the description or describe, this is the core in order to avoid the application
It is flooded by excessive description, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary,
They can completely understand relevant operation according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
When adding part mode for dispensing glue to fix FPC using gum in the prior art to overcome, colloid can be lost over time
Effect causes FPC to fall off, additionally, due to being limited to battery pack insufficient space, can not design point glue groove to dispensing, there are glue streams
Move the risk of battery core electrode；Meanwhile next step operation can be just carried out after needing glue curing, virtually delay life in this way
Producing beat causes production efficiency not high.If fixed FPC, needs to put into rivet hot machine equipment, in this way meeting by the way of rivet hot
Increase production cost, moreover hot riveting technique was not applied in on-vehicle battery group field, there are stability and long-term reliabilities
Risk.For the excessive technical problem of long-time stability risk of the existing technology and cost input, the application is proposed
A kind of FPC fixed structure using physical structure, due to after FPC is welded by aluminium wire, space very little in battery pack,
If redesigning the volume that additional physics fixed structure will increase battery pack, the application is proposed on the inner wall covered on the battery pack
Increase fixed structure, for fixing PFC, specifically, increase multiple protrusions on the inner wall covered on the battery pack, raised position with
Bond pad locations on PFC correspond, and in this way after battery pack upper cover installs, raised butt welding point is contacted with FPC extruding, right
FPC plays fixed effect, especially to the solder joint of FPC at, ensure that the stability of FPC, and physical structure for a long time have
Effect property ensure that FPC stablizes for a long time in battery pack work, ensure that the normal work of battery pack, while filling using the fixation
Process and equipment need not additionally be increased by setting, and saved production cost and improved production efficiency.
Embodiment 1
The present embodiment provides a kind of battery pack FPC fixed structures, as shown in Figure 1, Figure 2 and on Fig. 3, including FPC2 and battery pack
Lid 1, wherein FPC2 and the busbar connector of battery pack 3 are welded by aluminium wire, and weld forms multiple solder joints, in battery pack upper cover 1
Multiple raised 11 are correspondingly provided on wall, multiple solder joints on multiple raised 11 positions and FPC2 correspond, under protrusion 11
End face is contacted with the upper surface of FPC2, and after battery pack upper cover 1 installs, raised 11 butt welding points are contacted with FPC2 extruding, right
FPC2 plays fixed effect, especially to the solder joint of FPC2 at, ensure that the stability of FPC2, in addition physical structure is long-term
Validity ensure that FPC2 stablizes for a long time in battery pack work, ensure that the normal work of battery pack, while fixing using this
Device need not additionally increase process and equipment, saved production cost and improved production efficiency.
Preferably, multiple raised 11 positions and the one-to-one correspondence of multiple solder joints on FPC2 in battery pack upper cover 1, work as electricity
After pond group upper cover 1 is installed, squeezes and contact at the lower end surface of protrusion 11 and the solder joint on FPC2, fixed work is played to FPC2
With preventing from disconnecting at the solder joint of FPC2 and busbar connector 3 since FPC2 is mobile, influence battery pack work.
Wherein, the protrusion 11 in the present embodiment on 1 inner wall of battery pack upper cover is provided in round, in other embodiments,
The protrusion may be arranged as semicircle, rectangle or ellipse etc..
Embodiment 2
The present embodiment provides a kind of battery pack, such as Fig. 3, which includes shell and is arranged in the intracorporal multiple electricity of shell
Core 4, busbar connector 3 and FPC2 further include battery pack upper cover 1, are used for sealed cell group shell.Wherein, modeling is installed in battery core 4
Expect bracket 5, for installing busbar connector 3, busbar connector 3 is welded by aluminium wire and connect with battery core 4, and FPC2 passes through aluminium wire weldering and busbar connector 3
Connection, FPC2 are used to acquire the voltage and temperature information of each battery core 4, and by aluminium wire weldering, (anode is negative with 4 output stage of battery core
Pole) connection realization high-pressure and overflowing function.Wherein, the upper weld with aluminium wire weldering of PFC2 forms multiple solder joints, on the battery pack lid 1
Multiple raised 11 are correspondingly provided on inner wall, the lower end surface of protrusion 11 is contacted with the upper surface of FPC2, in assembly battery pack upper cover 1
When, raised 11 butt welding points are contacted with FPC2 extruding, fixed effect is played to FPC2, especially to the solder joint of FPC2 at, guarantee
The stability of FPC2, in addition the long-term effectiveness of physical structure, ensure that FPC2 for a long time stablizes in battery pack work, protect
The normal work of battery pack is demonstrate,proved.
Preferably, multiple raised 11 positions and the one-to-one correspondence of multiple solder joints on FPC2 in battery pack upper cover 1, work as electricity
After pond group upper cover 1 is installed, squeezes and contact at the lower end surface of protrusion 11 and the solder joint on FPC2, fixed work is played to FPC2
With preventing from disconnecting at the solder joint of FPC2 and busbar connector 3 since FPC2 is mobile, influence battery pack work.
Wherein, as schemed, the present embodiment protrusions are provided in round, may be arranged as in other embodiments rectangle,
The other shapes such as semicircle or ellipse.
Use above specific case is illustrated the utility model, is merely used to help understand the utility model, and
Not to limit the utility model.Think of for those skilled in the art of the present invention, according to the utility model
Think, several simple deductions, deformation or replacement can also be made.
Claims (6)
1. a kind of battery pack FPC fixed structure, which is characterized in that including FPC and battery pack upper cover；
The FPC and the busbar connector of battery pack are welded by aluminium wire, and weld forms multiple solder joints, in the battery pack upper cover
Multiple protrusions are correspondingly provided on wall, the lower end surface of the protrusion is contacted with the upper surface of the FPC.
2. FPC fixed structure as described in claim 1, which is characterized in that more on the position of the multiple protrusion and the FPC
The position of a solder joint corresponds.
3. FPC fixed structure as described in claim 1, which is characterized in that the protrusion for round, semicircle, rectangle or
One of ellipse.
4. a kind of battery pack, including battery core, busbar connector, FPC and battery pack upper cover, which is characterized in that the busbar connector passes through aluminium
Wire bond connects to be connect with the battery core and FPC respectively；
Wherein, multiple solder joints are formed with the weld of the aluminium wire on the PFC, is correspondingly provided on the battery pack upper cover inner wall
The lower end surface of multiple protrusions, the protrusion is contacted with the upper surface of the FPC.
5. battery pack as claimed in claim 4, which is characterized in that the position of the multiple protrusion and multiple welderings on the FPC
The position of point corresponds.
6. battery pack as claimed in claim 4, which is characterized in that the protrusion is round, semicircle, rectangle or ellipse
One of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113190.6U CN209183627U (en) | 2019-01-23 | 2019-01-23 | A kind of battery pack FPC fixed structure and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920113190.6U CN209183627U (en) | 2019-01-23 | 2019-01-23 | A kind of battery pack FPC fixed structure and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN209183627U true CN209183627U (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920113190.6U Active CN209183627U (en) | 2019-01-23 | 2019-01-23 | A kind of battery pack FPC fixed structure and battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142179A (en) * | 2021-08-24 | 2022-03-04 | 安徽南都华拓新能源科技有限公司 | Method for increasing energy density of module |
-
2019
- 2019-01-23 CN CN201920113190.6U patent/CN209183627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142179A (en) * | 2021-08-24 | 2022-03-04 | 安徽南都华拓新能源科技有限公司 | Method for increasing energy density of module |
| CN114142179B (en) * | 2021-08-24 | 2023-08-25 | 安徽南都华拓新能源科技有限公司 | Method for increasing module energy density |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHAOQING XIAOPENG AUTOMOBILE Co.,Ltd. Assignor: GUANGZHOU XPENG AUTOMOBILE TECHNOLOGY Co.,Ltd. Contract record no.: X2020440000168 Denomination of utility model: A battery pack FPC fixed structure and battery pack Granted publication date: 20190730 License type: Common License Record date: 20210104 |