CN207183388U - Battery modules - Google Patents
Battery modules Download PDFInfo
- Publication number
- CN207183388U CN207183388U CN201721215783.0U CN201721215783U CN207183388U CN 207183388 U CN207183388 U CN 207183388U CN 201721215783 U CN201721215783 U CN 201721215783U CN 207183388 U CN207183388 U CN 207183388U
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- Prior art keywords
- thermistor
- fpc
- kink
- main part
- battery modules
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of battery modules, and it includes：Multiple batteries；Multiple electric connecting sheets；FPC, it is interior to be provided with circuit；And at least one thermistor, it is fixed on FPC and is electrically connected to FPC circuit.FPC has：Main part, positioned at the top of all batteries；And at least one kink, one end of each kink is integrally connected to main part, the other end is fixedly connected with a thermistor, each kink is bent from main part to a corresponding electric connecting sheet so that the thermistor is fixed on described one electric connecting sheet of correspondence, so as to which each thermistor is sandwiched and fixed by FPC one kink of correspondence and a corresponding electric connecting sheet.This fixed form is firm, solve the problems, such as thermistor in temperature sampling existing drift and cause to sample inaccurate, improve the connection reliability of thermistor.Because FPC each kink is integrally connected to main part, and main part and each kink are all fully utilized, so as to improve FPC service efficiency.
Description
Technical field
It the utility model is related to cell art, more particularly to a kind of battery modules.
Background technology
At present, flexible printed circuit board (Flexible Printed Circuits Board, be abbreviated as FPC) is in battery
Utilization rate more and more higher in module, and temperature sampling is the basis of battery thermal management, battery management system is to battery temperature pipe
The requirement more and more higher of control.At this stage, in battery modules, it is common to use by water droplet head NTC (Negative Temperature
Coefficient) it is welded to FPC or carries out temperature sampling by being bonded pre-buried NTC.
But traditional water droplet head NTC be welded to FPC carry out temperature sampling when, have a disadvantage that：(1) FPC and NTC
, easily there is rosin joint situation in the bad management and control of wire welding process；(2) the exposed easy leak of FPC and NTC wire weld interface,
The problems such as in turn resulting in sampling drift；(3) FPC producing levels are low, i.e., many places on FPC are not used, service efficiency
It is low；(4) contact impedance increases after water droplet head NTC is welded, and causes temperature sampling to have deviation.And entered using pre-buried bonding NTC
When trip temperature samples, easily there are short-circuit risks in NTC, and bonding technology to the dependence of the structural stability of battery modules very
Height, so it is also high to the failure risk that battery modules are brought.
Utility model content
In view of problem present in background technology, a purpose of the present utility model is to provide a kind of battery modules, its
Solve the problems, such as NTC in temperature sampling it is existing drift and cause to sample inaccurate, NTC connection when improving temperature sampling
Reliability.
Another purpose of the present utility model is to provide a kind of battery modules, and which raises the service efficiency to FPC.
To achieve these goals, the utility model provides a kind of battery modules, and it includes：Multiple batteries, along length
Direction is side by side；Multiple electric connecting sheets, for realizing the connection in series-parallel between multiple batteries and outwards exporting；FPC, along short transverse position
In the top of all batteries and in be provided with circuit；And at least one thermistor, it is fixed on FPC and is electrically connected to FPC electricity
Road.FPC has：Main part, positioned at the top of all batteries；And at least one kink, one end of each kink integrally connect
Main part is connected to, the other end is fixedly connected with a thermistor, and each kink is from main part to corresponding electric connecting sheet bending
So that the thermistor is fixed on described one electric connecting sheet of correspondence.
The beneficial effects of the utility model are as follows：
According in battery modules of the present utility model, FPC has main part and is integrally connected at least the one of main part
Individual kink, each kink is fixedly connected with a thermistor and bent using the flexibility of itself, so that the thermistor
A corresponding electric connecting sheet is fixed on, so as to which each thermistor is by FPC one kink of correspondence and a corresponding electric connecting sheet
Sandwich and fix.This fixed form of thermistor is firm, solve thermistor in temperature sampling it is existing drift and lead
The problem of causing sampling inaccurate, the connection reliability of thermistor when improving temperature sampling.Simultaneously as FPC each kink
Main part is integrally connected to, and main part and each kink are all fully utilized, so as to improve FPC service efficiency.
Brief description of the drawings
Fig. 1 is the stereogram according to battery modules of the present utility model.
Fig. 2 is Fig. 1 exploded view.
Fig. 3 is the stereogram of the battery in Fig. 2.
Fig. 4 is the stereogram that the FPC in Fig. 2 observes from lower surface.
Fig. 5 is the enlarged drawing of the encircled portion in Fig. 4.
Fig. 6 is the stereogram that the FPC in Fig. 2 observes from upper surface.
Fig. 7 is the enlarged drawing of the encircled portion in Fig. 6.
Fig. 8 is the stereogram after the kink flattening of the FPC in Fig. 4.
Fig. 9 is the stereogram after the kink flattening of the FPC in Fig. 6.
Wherein, description of reference numerals is as follows：
The thermistor of 1 battery 4
The end plate of 11 coping plate 5
The positioning hole of 12 electrode terminal 51
The band of 13 explosion-proof valve 6
The pad of 2 electric connecting sheet 7
The insulating trips of 3 FPC 8
31 main parts 81 first are perforated
32 kinks 82 second are perforated
33 recess H short transverses
34 extension L length directions
35 first through hole W widths
36 second through holes
Embodiment
Describe in detail with reference to the accompanying drawings according to battery modules of the present utility model.
Referring to figs. 1 to Fig. 9, included according to battery modules of the present utility model：Multiple batteries 1, L is side by side along its length；
Multiple electric connecting sheets (Busbar) 2, (it is used to realize the series connection between multiple batteries 1 for the multiple battery 1 to be electrically connected
And/or in parallel) and outwards export；FPC 3, along short transverse H be located at all batteries 1 top and in be provided with circuit；And extremely
A few thermistor 4 (such as NTC), is fixed on FPC 3 and is electrically connected to FPC 3 circuit.Wherein, FPC 3 has：Main part
31, positioned at the top of all batteries 1；And at least one kink 32, one end of each kink 32 are integrally connected to main part
31, the other end is fixedly connected with (as welded) thermistor 4, and each kink 32 is from main part 31 to a corresponding electric connecting sheet
2 bendings are so that the thermistor 4 is fixed on described one electric connecting sheet 2 of correspondence.
According in battery modules of the present utility model, FPC 3 has main part 31 and is integrally connected to main part 31
At least one kink 32, each kink 32 are fixedly connected with a thermistor 4 and bent using the flexibility of itself, so that
The thermistor 4 is fixed on a corresponding electric connecting sheet 2, so as to which each thermistor 4 is by FPC 3 one He of kink 32 of correspondence
A corresponding electric connecting sheet 2, which sandwiches, to be fixed.This fixed form of thermistor 4 is firm, solves thermistor 4 and is adopted in temperature
During sample it is existing drift and cause to sample the problem of inaccurate, the connection reliability of thermistor 4 when improving temperature sampling.Together
When, because FPC 3 each kink 32 is integrally connected to main part 31, (i.e. all kinks 32 are subordinate to main part 31 same
Block FPC 3), and main part 31 and each kink 32 are all fully utilized, so as to improve FPC service efficiency.
Here, each thermistor 4 can be made up of thermo-sensitive material, and thermistor 4 can be not only NTC, and thermistor 4 can also be
Platinum resistance thermometer sensor, such as pt100 or pt1000.
Reference picture 4 is to Fig. 7, and different according to the length of kink 32 and bending mode, thermistor 4 may be provided at kink
On 32 first surface 321 with the upper surface integrally connected of main part 31, may also be arranged on kink 32 with main part 31
Lower surface integrally connected second surface 322 on.
Reference picture 8 and Fig. 9, main part 31 are provided with least one recess 33, the corresponding kink 32 of a recess 33.
In actual production, FPC 3, which can be cut out FPC 3 by cutting process, to be divided into main part 31 and is connected to each bending of main part 31
Portion 32, when each inflection of kink 32, flatten and when being contained in a corresponding recess 33, the lateral margin of each kink 32 and main part
31 lateral margin is coplanar.
The shape of each thermistor 4 can be lamellar.Laminal thermistor 4 be easy to FPC 3 kink 32 and
Electric connecting sheet 2 is fixed, and makes fixation more firm.
Each thermistor 4 can be fixed on corresponding electric connecting sheet 2 by heat-conducting glue (not shown).Here, heat-conducting glue can make
Thermistor 4 is attached on electric connecting sheet 2 face-to-face, improves the connection reliability of thermistor 4, and solves thermistor
The problem of 4 collecting temperature inaccuracy.
Specifically, heat-conducting glue can be coated on the marginal portion that thermistor 4 and electric connecting sheet 2 contact, and can so make heat
Quick resistance 4 and electric connecting sheet 2 directly contact face-to-face, so that the temperature that thermistor 4 collects is more accurate；Heat-conducting glue can also apply
Overlay in the whole surface that thermistor 4 and electric connecting sheet 2 contact, can so make the fixation of thermistor 4 and electric connecting sheet 2 more
To be firm, thermistor 4 is not susceptible to drift about in sampling process, so as to solve thermistor 4 in temperature sampling by floating
The problem of sampling caused by moving is inaccurate.
Reference picture 4, Fig. 6, Fig. 8 and Fig. 9, FPC 3 can also have：Extension 34, from one end of main part 31 along height side
Extend downwardly and form to H, for electrically connecting external device (ED) (not shown).Wherein, external device (ED) can be battery management control system,
Battery management control system realizes the temperature to battery 1 by the circuit, thermistor 4 and multiple electric connecting sheets 2 that are set in FPC 3
Degree sampling, to be fixedly connected with the temperature that mode collects accurate by this, relatively the actual temperature of battery 1.
Referring to Figures 1 and 2, battery modules may also include：Two end plates 5, positioned at the length direction L of all batteries side by side
Both ends are with all batteries that is fixedly clamped, and one of end plate 5 is in the inner side of FPC 3 extension 34.Here, adjacent two
The big face of individual battery 1 can be fixedly connected by adhesive glue, will not be in battery modules so as to ensure that the big face of adjacent cell 1 is close to
Separation is produced during work.
Reference picture 1, FPC 3 is fixedly attached to each end plate 5, such as bolt connection.Specifically, reference picture 2, each edge of end plate 5
Short transverse H is provided with positioning hole 51, and FPC 3 is provided with the first through hole 35 alignd with each positioning hole 51.Two first through hole
35 are located at the both ends of the main parts 31 of FPC 3 and correspond to the positioning hole 51 of an end plate 5 respectively respectively, such as Fig. 4, Fig. 6, Fig. 8 and Fig. 9
It is shown.
Referring to Figures 1 and 2, battery modules may also include：Band 6 (such as steel band), by all batteries 1 and the end plate at both ends
5 band together.Specifically, when band 6 is one, a band 6 being in short transverse H in battery modules
Between partially surround all batteries 1 and the end plate 5 at both ends；When band 6 is two, two bands 6 can be respectively in battery modules
The end plate 5 in short transverse H both ends around all batteries 1 and both ends.
Referring to figs. 1 to Fig. 3, each battery 1 may include：Coping plate 11；And two electrode terminals 12, it is arranged at coping plate
11.FPC 3 main part 31 is located at the upper of the part between two electrode terminals 12 of the coping plate 11 of all batteries 1
Side.
Wherein, each electrode terminal 12 of each battery 1 is electrically connected to a corresponding electric connecting sheet 2.Specifically, electric connecting sheet 2
Corresponding relation with electrode terminal 12 can be：One electric connecting sheet 2 only electrically connects (i.e. an electrode with an electrode terminal 12
An electric connecting sheet 2 is used alone in terminal 12), for use as the output of battery modules；One electric connecting sheet 2 and adjacent electrode terminals
12 electrical connections (i.e. adjacent electrode terminals 12 share an electric connecting sheet 2), to realize the connection in series-parallel between adjacent cell 1.
Referring to figs. 1 to Fig. 3, each battery 1 also has explosion-proof valve 13.Reference picture 4, Fig. 6, Fig. 8 and Fig. 9, FPC 3 are settable
Have：Multiple second through holes 36, worn for the explosion-proof valve 13 of each battery 1.
Reference picture 2, battery modules may also include：Insulating trip 8, it is arranged at FPC 3 main part 31 and the top of all batteries 1
Between cover plate 11.It is in order to which the circuit for preventing from setting in FPC 3 directly contacts with the coping plate 11 of each battery 1 to set insulating trip 8, is had
Beneficial to the risk for reducing battery modules failure.
Insulating trip 8 is fixedly connected on FPC 3 and two end plates 5.Insulating trip 8 is provided with：First perforation 81, with end plate 5
Positioning hole 51 aligns；And second perforation 82, worn for the explosion-proof valve 13 of each battery 1.
In assembled battery module, the 81 and FPC of the first perforation corresponding with insulating trip 8 of positioning hole 51 of each end plate 5
3 corresponding first through hole 35 is alignd, the explosion-proof valve of each battery 1 13 wear insulating trip 8 the perforation of correspondence one second 82 and
FPC 3 one the second through hole 36 of correspondence, then bolt is inserted to the perforation of first through hole 35, first 81 and the positioning hole of alignment
In 51, so as to lock connection FPC 3, insulating trip 8 and each end plate 5.
Referring to figs. 1 to Fig. 3, battery modules may also include：Multiple pads 7, it is fixed on FPC 3 main part 31；It is and more
Individual connector (not shown), each connector are fixedly connected with a pad 7 and a corresponding electric connecting sheet 2.Wherein, each connector can
For metal tape or wire, such as aluminium strip or aluminium wire.
Here, the both ends of each connector can be bonded the corresponding pad 7 of connection and a corresponding electric connecting sheet 2 respectively, with
Realize sampling of the battery modules to the voltage of each battery 1.Because FPC 3 is firmly fixed at each end plate 5, therefore FPC 3 exists
It is not easy to produce relative displacement with electric connecting sheet 2 under external shock impact, so as to which connector is not easy to break in sampling process, ensures
The reliabilities of battery modules voltage sample processes.
Claims (10)
1. a kind of battery modules, including：
Multiple batteries (1), (L) side by side along its length；
Multiple electric connecting sheets (2), for electrically connecting the multiple battery (1) and outwards exporting；
FPC (3), along short transverse (H) be located at all batteries (1) top and in be provided with circuit；And
At least one thermistor (4), it is fixed on FPC (3) and is electrically connected to the circuit of FPC (3)；
Characterized in that, FPC (3) has：
Main part (31), positioned at the top of all batteries (1)；And
At least one kink (32), one end of each kink (32) are integrally connected to main part (31), and the other end is fixedly connected
One thermistor (4), each kink (32) is from main part (31) to a corresponding electric connecting sheet (2) bending so that the temperature-sensitive is electric
Described one electric connecting sheet (2) of correspondence is fixed in resistance (4).
2. battery modules according to claim 1, it is characterised in that
First surface (321) the setting thermistor (4) with the upper surface integrally connected of main part (31) of kink (32)；Or
Person
Second surface (322) the setting thermistor (4) with the lower surface integrally connected of main part (31) of kink (32).
3. battery modules according to claim 1, it is characterised in that main part (31) is provided with least one recess
(33), when each kink (32) inflection, flatten and when being contained in a corresponding recess (33), the lateral margin of each kink (32) with
The lateral margin of main part (31) is coplanar.
4. battery modules according to claim 1, it is characterised in that the other end of each kink (32) is welded to connect
One thermistor (4).
5. battery modules according to claim 1, it is characterised in that each thermistor (4) is fixed on pair by heat-conducting glue
The electric connecting sheet (2) answered.
6. battery modules according to claim 1, it is characterised in that
Thermistor (4) is platinum resistance thermometer sensor,；Or
Thermistor (4) is the thermistor with negative temperature coefficient.
7. battery modules according to claim 1, it is characterised in that being shaped as thermistor (4) is lamellar.
8. battery modules according to claim 1, it is characterised in that each battery (1) includes：
Coping plate (11)；And
Two electrode terminals (12), are arranged at coping plate (11)；
FPC (3) main part (31) be located at the coping plate (11) of all batteries (1) between two electrode terminals (12)
Partial top.
9. battery modules according to claim 1, it is characterised in that battery modules also include：
Multiple pads (7), it is fixed on the main part (31) of FPC (3)；And
Multiple connectors, each connector are fixedly connected with a pad (7) and a corresponding electric connecting sheet (2).
10. battery modules according to claim 1, it is characterised in that
Each battery has explosion-proof valve (13)；
FPC (3) is provided with：Multiple second through holes (36), worn for the explosion-proof valve (13) of each battery (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215783.0U CN207183388U (en) | 2017-09-21 | 2017-09-21 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215783.0U CN207183388U (en) | 2017-09-21 | 2017-09-21 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183388U true CN207183388U (en) | 2018-04-03 |
Family
ID=61747999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721215783.0U Active CN207183388U (en) | 2017-09-21 | 2017-09-21 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183388U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323380A (en) * | 2019-05-09 | 2019-10-11 | 上海航天电源技术有限责任公司 | A kind of float type fire-type ferric phosphate lithium cell group system and its charging method |
| WO2020125502A1 (en) * | 2018-12-21 | 2020-06-25 | 宁德时代新能源科技股份有限公司 | Battery module and manufacturing method therefor, battery pack, and vehicle |
| WO2020134979A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN111599955A (en) * | 2019-03-22 | 2020-08-28 | 骆驼集团新能源电池有限公司 | Non-module aluminum-shell battery module and aluminum-shell battery |
| WO2020220570A1 (en) * | 2019-04-30 | 2020-11-05 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
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| WO2020259171A1 (en) * | 2019-06-28 | 2020-12-30 | 宁德时代新能源科技股份有限公司 | Battery module and device |
| WO2021098387A1 (en) * | 2019-11-19 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Battery module and vehicle |
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| WO2020125502A1 (en) * | 2018-12-21 | 2020-06-25 | 宁德时代新能源科技股份有限公司 | Battery module and manufacturing method therefor, battery pack, and vehicle |
| CN111430826A (en) * | 2018-12-21 | 2020-07-17 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN111430826B (en) * | 2018-12-21 | 2022-06-14 | 宁德时代新能源科技股份有限公司 | Battery module |
| US11302990B2 (en) | 2018-12-21 | 2022-04-12 | Contemporary Amperex Technology Co., Limited | Battery module |
| WO2020134979A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN111599955A (en) * | 2019-03-22 | 2020-08-28 | 骆驼集团新能源电池有限公司 | Non-module aluminum-shell battery module and aluminum-shell battery |
| CN111599955B (en) * | 2019-03-22 | 2024-04-30 | 骆驼集团新能源电池有限公司 | No module class aluminum hull battery module and aluminum hull battery |
| US11251500B2 (en) | 2019-04-30 | 2022-02-15 | Contemporary Amperex Technology Co., Limited | Battery module and battery pack |
| WO2020220570A1 (en) * | 2019-04-30 | 2020-11-05 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
| CN110323380A (en) * | 2019-05-09 | 2019-10-11 | 上海航天电源技术有限责任公司 | A kind of float type fire-type ferric phosphate lithium cell group system and its charging method |
| CN112151895A (en) * | 2019-06-28 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN112151895B (en) * | 2019-06-28 | 2022-01-07 | 宁德时代新能源科技股份有限公司 | Battery module |
| WO2020259171A1 (en) * | 2019-06-28 | 2020-12-30 | 宁德时代新能源科技股份有限公司 | Battery module and device |
| US11923565B2 (en) | 2019-06-28 | 2024-03-05 | Contemporary Amperex Technology Co., Limited | Battery module and device |
| WO2021098387A1 (en) * | 2019-11-19 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Battery module and vehicle |
| EP3920310A4 (en) * | 2019-11-19 | 2022-05-25 | Contemporary Amperex Technology Co., Limited | Battery module and vehicle |
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