CN209029503U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
- Publication number
- CN209029503U CN209029503U CN201822110580.6U CN201822110580U CN209029503U CN 209029503 U CN209029503 U CN 209029503U CN 201822110580 U CN201822110580 U CN 201822110580U CN 209029503 U CN209029503 U CN 209029503U
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- Prior art keywords
- battery
- temperature sensor
- battery modules
- battery core
- metal row
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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 discloses a kind of battery modules, including battery core, cathode metal row and negative metal row；Each battery core is arranged along predetermined direction, and the anode of all battery cores is arranged by cathode metal to be electrically connected, and cathode passes through negative metal row's electrical connection；Battery modules further include flexible print circuit board and at least one temperature sensor, each temperature sensor independently of flexible print circuit board outside, the corresponding collection terminal of signal output end electrical connection flexible print circuit board of each temperature sensor；The relatively independent setting of FPC and temperature sensor in the utility model, it is connected by intermediate member, it can choose suitable acquisition point to be acquired, improve the accuracy of temperature signal collection, it facts have proved the outside that temperature sensor is set to FPC, temperature acquisition precision improves 0.5% or so, greatly facilitates the accuracy for improving heat management system control, and then battery pack is within the scope of optimum working temperature always and is worked, extend the service life of battery pack.
Description
Technical field
The utility model relates to battery technology fields, more particularly to a kind of battery modules.
Background technique
New energy battery pack is one by the big of the Highgrade integrations such as power battery, electrical control system, heat management system
Type energy storage device.Battery pack is installed as unit of mould group, before installation, it is necessary first to which multiple battery cores are assembled to form battery mould
Group.
The battery core service life is one of battery pack core examination factor, in the whole life cycle of new energy battery pack, heat pipe
Reason system can control power battery within the scope of optimum working temperature, to promote battery life.One in heat management system
Important parameter is exactly temperature signal, i.e., the operating temperature of each battery core.
The measurement of battery core operating temperature be by temperature sensor realize acquire, temperature sensor acquire signal reliability and
Accuracy directly affects the functional reliability and safety of new energy battery.
Therefore the accuracy of temperature sensor detection how is improved, and then improve battery life, it is those skilled in that art
The target pursued always.
Utility model content
The utility model provides a kind of battery modules, including battery core, cathode metal row and negative metal row；The battery core
Quantity at least two, each battery core are arranged along predetermined direction, and the anode of all battery cores is electrically connected by cathode metal row
It connects, cathode passes through negative metal row's electrical connection；The battery modules further include flexible print circuit board and at least one temperature
Spend sensor, each temperature sensor independently of the flexible print circuit board outside, the signal of each temperature sensor
Output end is electrically connected the corresponding collection terminal of the flexible print circuit board.
FPC and temperature sensing compared with FPC in the prior art and temperature sensor are integrated in one, in the utility model
The relatively independent setting of device, is connected by intermediate member, can select suitable position according to battery modules interior spatial structure in this way
Mounting temperature sensor is set, temperature sensor Installation Flexibility is substantially increased, and can choose suitable acquisition point and adopted
Collection, improves the accuracy of temperature signal collection, in practice it has proved that temperature sensor is set to the outside of FPC, temperature acquisition precision
0.5% or so are improved, greatly facilitates the accuracy for improving heat management system control, and then battery pack is in best work always
Make work in temperature range, extends the service life of battery pack.
Optionally, the temperature sensor further includes ontology, be provided on the ontology signal detection end and with the letter
The signal output end of number test side connection, the signal detection end are welded to connect the cathode metal row or the cathode
Metal row.
Optionally, the temperature sensor is at least three, along the battery core arrangement direction, the two of the battery modules
End is provided at least one described temperature sensor, and the middle position of the battery modules is also at least provided with described in one
Temperature sensor.
Optionally, the signal output end of the temperature sensor and the flexible print circuit board are solid by tin-welding process
Fixed connection.
Optionally, the flexible print circuit board is fixed on wiring board by hot molten column mode.
Optionally, the battery modules still further comprise insulation sticker, pass through the insulation between the adjacent battery core
Sticker, which is pasted, to be fixed.
Optionally, the battery modules still further comprise two aluminum profile end plates, two aluminum profile end plate difference
Positioned at the outside of two outermost battery cores, end plate PC is provided between the aluminum profile end plate and the battery core adjacent thereto
Film.
It optionally, further include two aluminium lateral plates, two aluminium lateral plates are located at each battery core and form whole two sides, and
And the both ends of the aluminium lateral plate are connected with the corresponding aluminum profile end plate by laser welding；The battery core that each battery core is formed
Group is whole to be fixed in described two aluminium lateral plates and described two aluminum profile end plates formation space interior.
Optionally, the cathode metal row is by being welded to connect the anode of the corresponding battery core to form each battery core
In series and parallel；The cathode that the negative metal row passes through each battery core of welded connecting；And the cathode metal row bears with described
The end of pole metal row is supported in the aluminum profile end plate by insulating element.
It optionally, further include wiring board and cover board, the wiring board is arranged by the cathode metal or cathode gold
Belong to row pressure and connect positioning, the cover board snaps connection the peripheral wall of battery modules
Detailed description of the invention
Fig. 1 is battery modules perspective view of the explosion in a kind of embodiment of the utility model；
Fig. 2 is the schematic top plan view of battery modules shown in Fig. 1；
Fig. 3 is battery modules assembling schematic diagram in a kind of embodiment of the utility model.
Wherein, Fig. 1 is into Fig. 3:
1- battery core, 2- insulation sticker, 3- aluminium lateral plate, 4- insulating paper, 5- aluminum profile end plate, 6- wiring board, 7- metal row, 8-
Temperature sensor, 9-FPC, 10- cover board, 11- protection cap, 12- insulating element, 13-L type bending part.
Specific embodiment
With battery modules process modification, more and more mould groups sampling lines start using FPC (full name in English:
Flexible printed Circuit；Chinese are as follows: flexible print circuit board, hereinafter referred to as FPC).Temperature sensor usually collects
In in FPC.Although the application, which has found that temperature sensor is wrapped in inside FPC, simplifies installation, its temperature measurement value and electricity
The actual temperature of core has certain error, this leverages the reliability of heat management system work, and then battery modules are not
It can work in optimum working temperature, finally affect the service life of battery pack.
It for the above discovery, has made intensive studies herein and a large number of experiments, above-mentioned technology can be improved by proposing one kind
Problem extends the technical solution of service life of battery pack.
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is battery modules perspective view of the explosion in a kind of embodiment of the utility model；Fig. 2 is Fig. 1
The schematic top plan view of shown battery modules；Fig. 3 is battery modules assembling schematic diagram in a kind of embodiment of the utility model.
The utility model provides a kind of battery modules, including battery core 1, cathode metal row, negative metal row, end plate, side
The main components such as plate and cover board 10.The quantity at least two of battery core 1, the anode connection cathode metal row of each battery core 1, so as to each
The anode of battery core 1 is connected by cathode metal row.The cathode electrical connection negative metal row of each battery core 1, so as to bearing for each battery core 1
Pole is connected by negative metal row.Connection as described herein can be understood as being electrically connected, for each battery core 1 to be electrically connected as one
Body, to realize the series-parallel of each battery core 1.
The material of cathode metal row can be copper bar, and negative metal row can arrange for aluminium, the material of certainly positive and negative metal row
It may be other conductive metallic materials, be not limited only to material herein-above set forth.Each battery core 1 in battery modules by just,
Negative metal is arranged to form power supply.A metal row 7 is only marked in Fig. 1, but this does not interfere those skilled in that art
Understanding to this paper technical solution.
It is additionally provided with wiring board 6 in usual battery modules, wiring board 6 extends along each 1 arranged direction of battery core.Wiring board 6 can
To connect fixation by cathode metal row or negative metal row pressure.Certainly, the fixed form of wiring board 6 is not limited to retouch herein
It states, can also be other modes.
Specific structure about wiring board 6 does not do specific introduction herein, can refer to the prior art.
It can be mounted on side plate in the left and right sides of each battery core 1, and then the left and right sides of each battery core 1 is protected
And positioning.The material of side plate preferentially selects aluminium, i.e. aluminium lateral plate 3.Cover board 10 is installed on the top of all battery cores 1 to form upper guarantor
Protecting cover 11 can form the protective shell of the internal parts such as battery core 1 with peripheral wall, bottom plate.
Further, insulating paper 4 can also be set between side plate and battery core 1, side plate and battery core 1 is further isolated, increased
Battery pack safety in utilization.
Cover board 10 can be connected and fixed the peripheral wall of battery modules by snap connection means, install reliable premise
Under, it can also realize the removable unloading functions of cover board 10.
Battery modules in the utility model still further comprise flexible print circuit board (hereafter referred to collectively as FPC9) and temperature
Sensor 8 is spent, the quantity of FPC9 can be depending on the tie point being arranged in 1 quantity of battery core and FPC9, and temperature sensor 8 is main
It is used to detect the temperature of battery core 1 in battery modules, is strictly speaking, 1 maximum temperature of battery core, i.e., all battery cores in battery modules
Temperature highest numerical value in 1.8 quantity of temperature sensor can be with one, or two or more, when temperature sensor 8
When quantity is multiple, selection temperature maximum is control parameter.Although the quantity of temperature sensor 8 is more, temperature obtained
May be more accurate, the setting larger, therefore that temperature sensor 8 can be selected as the case may be but the space occupied also compares
Quantity.
FPC9 and at least one relatively independent setting of temperature sensor 8 in the utility model, i.e., each temperature sensor 8 are independent
Outside FPC9, the corresponding collection terminal of the signal output end electrical connection FPC9 of each temperature sensor 8.That is, FPC9 and temperature
The setting of 8 non-integration of sensor is spent, but realizes the connection of the two, temperature sensor 8 by connecting component or Joining Technology means
It can be dismantled with respect to FPC9.FPC9 has multiple printing gathering lines, and the acquisition port of part gathering line is connected to corresponding battery core 1,
For voltage signal acquisition, the signal output end of the acquisition port electrical connection respective temperature sensor 8 of part gathering line is all to adopt
Circuit board inside the other end connection battery modules of line concentration.
FPC9 and temperature compared with FPC9 in the prior art and temperature sensor 8 are integrated in one, in the utility model
The relatively independent setting of sensor 8, is connected by intermediate member, and it is suitable to select in this way according to battery modules interior spatial structure
Position mounting temperature sensor 8, substantially increase 8 Installation Flexibility of temperature sensor, and can choose suitable acquisition point
It is acquired, improves the accuracy of temperature signal collection, in practice it has proved that temperature sensor 8 is set to the outside of FPC9, temperature
Acquisition precision improves 0.5% or so, greatly facilitates the accuracy for improving heat management system control, and then battery pack is located always
In working within the scope of optimum working temperature, extend the service life of battery pack.
Temperature sensor 8 in the utility model includes ontology, is provided with signal detection end and and signal detection on ontology
The signal output end of connection is held, (cathode metal row or cathode are arranged by being welded to connect the metal of battery modules in signal detection end
Metal row) on, signal detection end can be installed on cathode metal row, can also be installed on negative metal row.Temperature sensor 8 is logical
The temperature of detection cathode metal row or negative metal row are crossed, and then obtains the temperature of battery core 1.
Certainly, the signal detection end of temperature sensor 8 is also connected in other fixation members inside battery modules,
Such as cell polar ear, battery core body etc..The temperature of battery core 1 is obtained by detecting coupled component.
In above-described embodiment, the signal detection end detection anode of temperature sensor 8 or the temperature manner of negative metal row,
The confidence level of acquired temperature is relatively high, and the control precision of corresponding heat management system is relatively high.
In a kind of specific embodiment, the quantity of temperature sensor 8 is at least three, along 1 orientation of battery core, electricity
The both ends of Chi Mo group are provided at least one temperature sensor 8, and the middle position of battery modules is also at least provided with one
Temperature sensor 8 carries out in comprehensive descision battery modules in this way, battery modules both ends and intermediate temperature signal can be acquired
The maximum temperature of portion's battery core 1, and then improve the control precision of heat management system.
In the various embodiments described above, the acquisition corresponding to FPC9's of temperature sensor 8 port can be electrically connected using welding manner,
Preferably, temperature sensor 8 can be fixedly connected with FPC9 by tin-welding process.Certainly the mode of the two electrical connection is not limited to
It can also be other, such as connected by crimping or intermediate member in hereinbefore description.
In the various embodiments described above, FPC9 can be fixed on wiring board by hot molten column mode.
It needs to carry out relative positioning between each battery core 1 in battery modules, to be spliced to form whole 1 group of a battery core.Herein
A kind of fixed form of battery core 1 is additionally provided, is described in detail below.
In a specific embodiment, the battery modules in the various embodiments described above still further comprise insulation sticker 2, phase
It is pasted and is fixed by insulation sticker 2 between adjacent battery core 1.Insulation sticker 2 can only account for the part of the surface of battery core 1, i.e. insulation sticker 2
Paste the part apparent surface of battery core 1, naturally it is also possible to the setting insulation sticker 2 on the entire opposite face of battery core 1.
It is strip there is shown herein insulation sticker 2, is set to the specific embodiment of 1 two sides of battery core.Certainly, insulate sticker
2 shape and location arrangements mode is not limited to be recorded herein, can also be other modes, for example, insulation sticker 2 is strip, if
Three, four embodiments for being distributed in 1 apparent surface of battery core are set, the sticker 2 that either insulate is round or other shapes, uniformly distributed
In 1 surface of battery core etc..Those skilled in that art are on the basis of disclosure, it is clear that can be derived that a variety of realizations can
Numerous embodiments by fixing the insulation sticker 2 of two adjacent battery cores 1.
The mode structure of the fixed battery core 1 of the sticker 2 that insulate is simple, takes up space small, and fixed Reliability comparotive is high.
It is fixed relatively between each battery core 1 after forming a battery core component entirety, which is integrally also to need into one
Step positioning, avoids being displaced, guarantees the safety that battery pack uses.Therefore, it has also carried out herein arranged below.
Battery modules in the various embodiments described above still further comprise two aluminum profile end plates 5, that is to say, that battery modules
End plate be aluminium profile structure, two aluminum profile end plates 5 are located at the outside of two outermost battery cores 1, aluminum profile end plate 5 with
End plate PC film is provided between its adjacent battery core 1.
The tip plate configurations intensity of aluminium profile structure in the embodiment is high, and weight is smaller, meets battery pack lightweight
Design requirement.
As described above, battery modules further include two aluminium lateral plates 3, two aluminium lateral plates 3 are located at each battery core 1 and form entirety
Two sides, and the both ends of aluminium lateral plate 3 are connected with corresponding aluminum profile end plate 5 by laser welding；The battery core that each battery core 1 is formed
1 group is integrally fixed in two aluminium lateral plates 3 and two formation space interiors of aluminum profile end plates 5.
It, can be with for convenient welding specifically, aluminum profile end plate 5 is straight flange with the side that aluminium lateral plate 3 mutually closes on
The intermediate L-type bending part 13 connected is set, and L-type bending part 13 includes the first wall and connect by bending part with the first wall
Second wall, the first wall and the second wall are in vertical plane, the first wall and 5 sealing welding of aluminum profile end plate, and second is vertical
Wall and 3 sealing welding of aluminium lateral plate.
Aluminum profile end plate 5 and aluminium lateral plate 3 form frame structure using welding manner, battery core component is integrally carried out protection and
Positioning.And aluminum profile end plate 5 and aluminium lateral plate 3 under the premise of meeting structural strength, can satisfy using laser welding mode
The cripling power generated in 1 working cycle process of battery core.
In the various embodiments described above, the end of cathode metal row and negative metal row are supported in aluminium by insulating element 12
Profile end plate 5, such aluminum profile end plate 5 can play the supporting role to metal row, and gold is isolated by insulating element 12
Belong to row and aluminum profile end plate 5, guarantees each component normal use.
Of course for protection metal row, protection cap 1111 can also be set, and 1111 hamper of protection cap is in insulating element 12
Top.The specific structure of protection cap 1111 and insulating element 12 can be set according to specific structure.
Refer to the prior art for the other structures of battery modules and battery pack, does not do excessively repeat herein.
A kind of battery modules provided by the utility model are described in detail above.It is used herein specifically a
Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand
With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen
Enter in the protection scope of the utility model claims.
Claims (10)
1. a kind of battery modules, including battery core (1), cathode metal row and negative metal row；The quantity of the battery core (1) is at least
Two, each battery core (1) arranges along predetermined direction, and the anode of all battery cores (1) is born by cathode metal row's electrical connection
Pole passes through negative metal row's electrical connection；It is characterized in that, the battery modules further include flexible print circuit board (9) and extremely
A few temperature sensor (8), each temperature sensor (8) is external independently of the flexible print circuit board (9), each described
The signal output end of temperature sensor (8) is electrically connected the corresponding collection terminal of the flexible print circuit board (9).
2. battery modules as described in claim 1, which is characterized in that the temperature sensor (8) further includes ontology, and described
The signal output end for being provided with signal detection end on body and being connect with the signal detection end, the signal detection end welding
Connect the cathode metal row or negative metal row.
3. battery modules as claimed in claim 2, which is characterized in that the temperature sensor (8) is at least three, along described
The direction of battery core (1) arrangement, the both ends of the battery modules are provided at least one described temperature sensor (8), described
The middle position of battery modules is also at least provided with a temperature sensor (8).
4. battery modules as described in claim 1, which is characterized in that the signal output end of the temperature sensor (8) and institute
Flexible print circuit board (9) is stated to be fixedly connected by tin-welding process.
5. battery modules as described in claim 1, which is characterized in that the flexible print circuit board (9) passes through hot molten column side
Formula is fixed on wiring board.
6. battery modules as described in claim 1, which is characterized in that the battery modules still further comprise insulation sticker
(2), it is pasted and is fixed by the insulation sticker (2) between the adjacent battery core (1).
7. such as battery modules as claimed in any one of claims 1 to 6, which is characterized in that the battery modules still further comprise
Two aluminum profile end plates (5), two aluminum profile end plates (5) are located at the outside of two outermost battery cores (1), the aluminium
End plate PC film is provided between profile end plate (5) and the battery core (1) adjacent thereto.
8. battery modules as claimed in claim 7, which is characterized in that further include two aluminium lateral plates (3), two aluminium lateral plates (3)
It is located at each battery core (1) and forms whole two sides, and the both ends of the aluminium lateral plate (3) and the corresponding aluminum profile
End plate (5) is connected by laser welding；Battery core (1) group that each battery core (1) is formed is whole to be fixed in described two aluminum sides
Plate (3) and described two aluminum profile end plates (5) form space interior.
9. battery modules as claimed in claim 7, which is characterized in that the cathode metal row is corresponding described by being welded to connect
The anode of battery core (1) is to form the series-parallel of each battery core (1)；The negative metal row is by being welded to connect each battery core
(1) cathode；And the end of the cathode metal row and negative metal row are supported in described by insulating element (12)
Aluminum profile end plate (5).
10. such as battery modules as claimed in any one of claims 1 to 6, which is characterized in that it further include wiring board and cover board (10),
The wiring board is arranged by the cathode metal or the negative metal row pressure connects positioning, and the cover board (10) snaps connection electricity
The peripheral wall of Chi Mo group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110580.6U CN209029503U (en) | 2018-12-14 | 2018-12-14 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110580.6U CN209029503U (en) | 2018-12-14 | 2018-12-14 | A kind of battery modules |
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| Publication Number | Publication Date |
|---|---|
| CN209029503U true CN209029503U (en) | 2019-06-25 |
Family
ID=66911032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822110580.6U Active CN209029503U (en) | 2018-12-14 | 2018-12-14 | A kind of battery modules |
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| CN (1) | CN209029503U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970679A (en) * | 2019-12-26 | 2020-04-07 | 重庆长安新能源汽车科技有限公司 | Battery pack temperature sensor rationality diagnosis method based on thermal symmetry |
| CN113675517A (en) * | 2021-08-20 | 2021-11-19 | 重庆超米新能源有限公司 | Power lithium battery pack |
| CN114792833A (en) * | 2022-03-25 | 2022-07-26 | 东风汽车集团股份有限公司 | High-voltage assembly, fuel cell module and vehicle |
| CN115327393A (en) * | 2021-11-04 | 2022-11-11 | 广汽埃安新能源汽车有限公司 | Battery parameter acquisition device and battery management system |
| WO2023145584A1 (en) * | 2022-01-26 | 2023-08-03 | 株式会社Ｇｓユアサ | Power storage device |
-
2018
- 2018-12-14 CN CN201822110580.6U patent/CN209029503U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970679A (en) * | 2019-12-26 | 2020-04-07 | 重庆长安新能源汽车科技有限公司 | Battery pack temperature sensor rationality diagnosis method based on thermal symmetry |
| CN110970679B (en) * | 2019-12-26 | 2022-06-17 | 重庆长安新能源汽车科技有限公司 | Battery pack temperature sensor rationality diagnosis method based on thermal symmetry |
| CN113675517A (en) * | 2021-08-20 | 2021-11-19 | 重庆超米新能源有限公司 | Power lithium battery pack |
| CN115327393A (en) * | 2021-11-04 | 2022-11-11 | 广汽埃安新能源汽车有限公司 | Battery parameter acquisition device and battery management system |
| WO2023145584A1 (en) * | 2022-01-26 | 2023-08-03 | 株式会社Ｇｓユアサ | Power storage device |
| CN114792833A (en) * | 2022-03-25 | 2022-07-26 | 东风汽车集团股份有限公司 | High-voltage assembly, fuel cell module and vehicle |
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