CN207398245U - Battery modules - Google Patents
Battery modules Download PDFInfo
- Publication number
- CN207398245U CN207398245U CN201721267874.9U CN201721267874U CN207398245U CN 207398245 U CN207398245 U CN 207398245U CN 201721267874 U CN201721267874 U CN 201721267874U CN 207398245 U CN207398245 U CN 207398245U
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- China
- Prior art keywords
- fpc
- thermistor
- battery modules
- electric connecting
- afterbody
- Prior art date
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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 provides a kind of battery modules, including：Multiple batteries, along its length side by side；Multiple electric connecting sheets, for being electrically connected the multiple battery and outwards exporting；FPC, the top that all batteries are located at along short transverse are simultaneously interior equipped with circuit；And at least one thermistor, each thermistor are fixed on FPC and are electrically connected to the circuit of FPC.The afterbody of each thermistor is fixed on the exposed surface outside FPC of FPC and afterbody coated with marine glue S, and FPC is stretched out on head and is fixedly connected on a corresponding electric connecting sheet.Since each thermistor is electrically connected to the circuit of FPC and is fixedly connected on a corresponding electric connecting sheet, so as to fulfill the sampling of the temperature to the battery in battery modules.Simultaneously because the afterbody for being fixed on FPC of each thermistor is coated with marine glue, therefore when there is steam in the inside of battery modules, the contact portion of each thermistor and FPC will not be disturbed be subject to steam, so that the temperature that each thermistor collects is more accurate.
Description
Technical field
The utility model is related to battery technology field more particularly to a kind of battery modules.
Background technology
With the raising of electric automobile energy density, the requirement to sampling harness installation space is more and more stringenter, flexibility print
Printed circuit board (Flexible Printed Circuits Board, be abbreviated as FPC) is exactly that one kind can take in narrow space
For the product of harness isolation board.And thermistor (such as Negative Temperature Coefficient are abbreviated as NTC) is made
For the temperature-sensing element on FPC, arrangement concerning temperature sampling it is accurate whether.
At present, arrangements of the NTC on FPC mainly has the following two kinds：(1) NTC passes through surface installation technique
(Surface Mount Technology, be abbreviated as SMT) is attached on FPC, then by nickel sheet heat conduction to NTC；(2) pass through
NTC is placed on electric connecting sheet (Busbar), is then connected the etching copper line on NTC and FPC using the techniques such as welding, bonding
It is connected together.
It is generated since the box house of battery modules often has steam, and in arrangement (1) and arrangement side
It does not do any water-proofing treatment in formula (2), therefore " short circuit " occurs easily between NTC and pad, at this time the battery of battery modules
Management system is often offered a high price temperature abnormality, and then the temperature that NTC is collected is inaccurate.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of battery modules, temperature-sensitives
The part that resistance is connected with FPC has water proofing property, improves the accuracy of thermistor collecting temperature.
To achieve these goals, the utility model provides a kind of battery modules, including：Multiple batteries, along length
Direction is side by side；Multiple electric connecting sheets, for being electrically connected the multiple battery and outwards exporting；FPC is located at institute along short transverse
There is the top of battery and interior equipped with circuit；And at least one thermistor, each thermistor are fixed on FPC and are electrically connected to
The circuit of FPC.Wherein, the afterbody of each thermistor is fixed on FPC and the exposed surface outside FPC of afterbody is coated with waterproof
Glue, and FPC is stretched out on head and is fixedly connected on a corresponding electric connecting sheet.
The beneficial effects of the utility model are as follows：
In battery modules according to the present utility model, since each thermistor is electrically connected to the circuit of FPC and fixed company
A corresponding electric connecting sheet is connected to, so as to fulfill the sampling of the temperature to the battery in battery modules.Simultaneously because each temperature-sensitive electricity
The afterbody for being fixed on FPC of resistance is coated with marine glue, therefore when there is steam in the inside of battery modules, each temperature-sensitive
The contact portion of resistance and FPC will not be disturbed be subject to steam, so that the temperature that each thermistor collects is more accurate.
Description of the drawings
Fig. 1 is the general assembly drawing of battery modules according to the present utility model.
Fig. 2 is the exploded view of Fig. 1.
Fig. 3 is the enlarged drawing of the encircled portion in Fig. 2, wherein not illustrating marine glue.
Fig. 4 is figure corresponding with Fig. 3, and illustrates marine glue.
Fig. 5 is the variation of Fig. 3.
Wherein, the reference numerals are as follows：
1 battery, 42 head
11 coping plate, 5 end plate
12 electrode terminal, 51 location hole
13 explosion-proof valve, 6 band
2 electric connecting sheet, 7 pad
21 recess portion, 8 connector
3 FPC, 9 press strips
31 main parts 91 are perforated
32 extension S marine glues
33 first through hole F plastic frames
34 second through hole T heat conduction plastic cement
4 thermistor L length directions
41 afterbody H short transverses
411 opening W widths
412 connecting portions
Specific embodiment
It is described in detail battery modules according to the present utility model with reference to the accompanying drawings.
Referring to figs. 1 to Fig. 5, battery modules according to the present utility model include：Multiple batteries 1, L is side by side along its length；
Multiple electric connecting sheets 2, for being electrically connected the multiple battery 1 and (being used to implement the series connection and/or parallel connection between multiple batteries 1)
And it outwards exports；FPC 3, the top that all batteries 1 are located at along short transverse H are simultaneously interior equipped with circuit；And at least one temperature-sensitive
Resistance 4, each thermistor 4 fix (as welded) in FPC 3 and are electrically connected to the circuit of FPC 3.Wherein, each thermistor 4
Afterbody 41 is fixed on the exposed surface outside FPC 3 of FPC 3 and afterbody 41 coated with marine glue S (such as hydrophobic glue), and head
42 stretching FPC 3 are simultaneously fixedly connected on a corresponding electric connecting sheet 2.
In battery modules according to the present utility model, since each thermistor 4 is electrically connected to circuit and the fixation of FPC 3
A corresponding electric connecting sheet 2 is connected to, so as to fulfill the sampling of the temperature to the battery 1 in battery modules.Simultaneously because each heat
The afterbody 41 for being fixed on FPC 3 of quick resistance 4 is coated with marine glue S, therefore has the feelings such as steam in the inside of battery modules
During condition, the contact portion of each thermistor 4 and FPC 3 will not be disturbed (i.e. at welding point) be subject to steam, so that each heat
The temperature that quick resistance 4 collects is more accurate.
Here, each thermistor 4 can be made of thermo-sensitive material, and each thermistor 4 can be not only NTC, and each thermistor 4 is also
Can be platinum resistance thermometer sensor, such as pt100 or pt1000.
Referring to Figures 1 and 2, FPC 3 can have：Main part 31, positioned at the top of all batteries 1；And extension 32, from
One end of main part 31 is extended downwardly along short transverse H, for being electrically connected external device (ED) (such as battery management control system).
Wherein, the afterbody 41 of each thermistor 4 is fixed on the main part 31 of FPC 3.
With reference to Fig. 3 to Fig. 5, the afterbody 41 of each thermistor 4 may be provided with opening 411 so that each thermistor 4 has two
A connecting portion 412, two connecting portions 412 are welded in the (welding there are one being correspondingly formed between each connecting portion and FPC 3 of FPC 3
Point).Here, two connecting portions 412 together with opening 411 can approximation regard as "U" shaped structure.
Marine glue S may be disposed between the exposed surface and two connecting portions 412 outside FPC 3 of each connecting portion 412
Opening 411 in, so as to add the creepage distance between two welding points that two connecting portions 412 and FPC 3 formed so that
" short circuit " phenomenon is not susceptible between two connecting portions 412 of each thermistor 4, so that each thermistor 4 collected
Temperature is more accurate.
Referring to figs. 1 to Fig. 5, battery modules may also include：Multiple pads 7, fixed (as welded) is in the main part of FPC 3
31；And multiple connectors 8, each connector 8 are fixedly connected with a pad 7 and a corresponding electric connecting sheet 2.Here, each connection
The both ends of part 8 can be bonded one pad 7 of connection and a corresponding electric connecting sheet 2 respectively, to realize battery modules to each battery 1
The sampling of voltage.Each connector can be metal tape or wire, such as aluminium strip or aluminium wire.
Here remark additionally, in traditional battery modules, the afterbody 41 of each thermistor 4 is generally welded to FPC
3 main part 31, and pad 7 is also welded in the main part 31 of FPC 3, therefore situations such as generate steam in the inside of battery modules
When, " short circuit " phenomenon easily occurs between each thermistor 4 and pad 7, the temperature collected so as to cause each thermistor 4 is not allowed
Really.And in the battery modules of the utility model, traditional battery modules are improved, by each thermistor 4
The afterbody 41 for being fixed on FPC 3 coats marine glue S so that the contact portion (i.e. welding point) of each thermistor 4 and FPC 3 will not
It is disturbed be subject to steam, so as to avoid " short circuit " phenomenon occurs between each thermistor 4 and pad 7, so that each heat
The temperature that quick resistance 4 collects is more accurate.
Due to, marine glue S it is uncured it is preceding there is mobility, it is exposed in FPC 3 when the afterbody 41 to each thermistor 4
When outer surface coats marine glue S, marine glue S can flow around.In order to control making for marine glue S sinuous flows and marine glue S
Dosage, referring to figs. 1 to Fig. 4, battery modules may also include：At least one plastic frame F, each plastic frame F surround each thermistor 4
Afterbody 41 accommodates marine glue S and is fixed on FPC 3.Wherein, each plastic frame F can be pasted on FPC by fixing glue (such as double faced adhesive tape)
3, the afterbody 41 in each plastic frame F of each thermistor 4 is wrapped up by marine glue S, and the head of each thermistor 4 is stretched out respectively
Plastic frame F and FPC 3 is simultaneously fixedly connected on a corresponding electric connecting sheet 2.
Plastic frame F can be made of flame resistant material.Specifically, each plastic frame F can add glass fibre to be made by plastics.
The shape of plastic frame F can be rectangle, as shown in Figures 1 to 5.But the shape of each plastic frame F is not limited only to this, may be used also
For other shapes.In addition, in order to achieve the purpose that the usage amount for controlling marine glue S, the big I of each plastic frame F is needed according to reality
Border situation is rationally set.
With reference to Fig. 3 to Fig. 5, the shape on the head 42 of each thermistor 4 can be lamellar.Laminal thermistor 4 is just
It is fixed in electric connecting sheet 2, and so that fixation is more secured, so that the temperature that each thermistor 4 collects is more accurate
Really.
Battery modules may also include：A corresponding electricity is fixed in the head 42 of each thermistor 4 by heat-conducting glue (not shown)
In connection sheet 2.
With reference to Fig. 3 to Fig. 5, each electric connecting sheet 2 is provided with recess portion 21, and the head 42 of each thermistor 4 is fixed on corresponding one
In the recess portion 21 of a electric connecting sheet 2.
With further reference to Fig. 5, the shape of the bottom surface of recess portion 21 can be rectangle, and heat-conducting glue is directly arranged at each thermistor
Between 4 head 42 and the recess portion 21 of a corresponding electric connecting sheet 2.Specifically, heat-conducting glue can be coated in each thermistor 4 and right
It answers on the marginal portion that the recess portion 21 of an electric connecting sheet 2 contacts, can so make each thermistor 4 and a corresponding electric connecting sheet
2 recess portion 21 contacts directly face-to-face, so that the temperature that each thermistor 4 collects is more accurate；Heat-conducting glue can also be coated in each
In the whole surface that thermistor 4 and a corresponding electric connecting sheet 2 contact, it can so make each thermistor 4 and a corresponding electricity
The fixation of connection sheet 2 is more secured, and each thermistor 4 is not susceptible to drift about in sampling process, so as to solve each temperature-sensitive electricity
The problem of resistance 4 is not allowed in temperature sampling by the sampling caused by drift.
With further reference to Fig. 3 and Fig. 4, the shape of the bottom surface of recess portion 21 can be arc, the head 42 of each thermistor 4
Heat conduction plastic cement T is coated with, the shape of the outer surface of heat conduction plastic cement T is consistent with the shape of the bottom surface of recess portion 21, heat-conducting glue
It is arranged between the outer surface of heat conduction plastic cement T and the bottom surface of the recess portion 21 of a corresponding electric connecting sheet 2.Wherein, heat conduction plastic cement T
It can be made of plastics.
Here, by setting heat conduction plastic cement T, connecing between the head 42 of each thermistor 4 and arc-shaped depression portion 21 is added
Contacting surface is accumulated, so that the fixation of each thermistor 4 and a corresponding electric connecting sheet 2 is more secured, each heat in sampling process
Quick resistance 4 is not susceptible to drift about, so as to solve each thermistor 4 in temperature sampling by drift about caused by sampling be not allowed
Problem.
The main part 31 of FPC 3 can be pasted on each battery 1 by fixing glue (not shown), and two adjacent batteries 1
Big face can be also pasted together by fixing glue.
Referring to Figures 1 and 2, battery modules may also include：Two end plates 5, positioned at the length direction of all batteries 1 side by side
Battery 1 of the L both ends to be fixedly clamped all, and one of end plate 5 is in the inside of the extension 32 of FPC3.Here, each end
Plate 5 and the big face of adjacent battery 1 can be also pasted together by fixing glue.
Each end plate 5 is fixedly attached to, is such as bolted with reference to Fig. 1, FPC 3.Specifically, with reference to Fig. 2, each 5 edge of end plate
Short transverse H is provided with location hole 51, and FPC 3 is provided with the first through hole 33 alignd with each location hole 51.Wherein, two first
Through hole 33 is located at the both ends of the main part 31 of FPC 3 and corresponds to the location hole 51 of an end plate 5 respectively respectively.
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.Wherein, the quantity of band 6 can make choice according to actual conditions, specifically, should when band 6 is one
One band 6 can surround all batteries 1 and the end plate 5 at both ends in battery modules in the center section of short transverse H；When
When band 6 is two, two bands 6 can surround all batteries 1 and two in battery modules in short transverse H both ends respectively
The end plate 5 at end.
Referring to Figures 1 and 2, each battery 1 may include：Coping plate 11；And two electrode terminals 12, it is arranged at coping plate
11.The main part 31 of FPC 3 is located at the upper of the part between two electrode terminals 12 of the coping plate 11 of all batteries 1
Side.
With further reference to Fig. 2, each battery 1 can have explosion-proof valve 13.FPC 3 may be provided with：Multiple second through holes 34, for each
The explosion-proof valve 13 of battery 1 is worn.
In order to further prevent FPC 3 during the use of battery modules, generate and rock since foreign impacts shake,
Referring to Figures 1 and 2, battery modules may also include：Press strip 9 is arranged at the top of the main part 31 of FPC 3 and is fixedly connected on each
End plate 5.Wherein, press strip 9 can be made of plastics.
With reference to Fig. 2, press strip 9 may be provided with：Perforation 91, with the location hole 51 of end plate 5 and 33 edge of first through hole of FPC 3
Short transverse H is alignd.
In assembled battery module, the explosion-proof valve 13 of each battery 1 wears correspondence one the second through hole 34, press strip 9 of FPC 3
The first through hole 33 corresponding with FPC's 3 of perforation 91 and the location hole 51 of corresponding end plate 5 align, then bolt is inserted into
In the perforation 91 of alignment, first through hole 33 and location hole 51, so as to lock connection trim strip 9, FPC 3 and each end plate 5.
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 being electrically connected the multiple battery (1) and outwards exporting；
FPC (3), the top that all batteries (1) are located at along short transverse (H) are simultaneously interior equipped with circuit；And
At least one thermistor (4), each thermistor (4) are fixed on FPC (3) and are electrically connected to the circuit of FPC (3)；
It is characterized in that, the afterbody (41) of each thermistor (4) be fixed on FPC (3) and afterbody (41) it is exposed in FPC (3) outside
Surface coated with marine glue (S), and head (42) stretch out FPC (3) and are fixedly connected on a corresponding electric connecting sheet (2).
2. battery modules according to claim 1, which is characterized in that the afterbody (41) of each thermistor (4) is welded in FPC
(3)。
3. battery modules according to claim 1, which is characterized in that FPC (3) has：
Main part (31), positioned at the top of all batteries (1)；And
Extension (32) is extended downwardly from one end of main part (31) along short transverse (H), for being electrically connected external dress
It puts；
The afterbody (41) of each thermistor (4) is fixed on the main part (31) of FPC (3).
4. battery modules according to claim 3, which is characterized in that battery modules further include：
Multiple pads (7) are fixed on the main part (31) of FPC (3)；And
Multiple connectors (8), each connector (8) are fixedly connected with a pad (7) and a corresponding electric connecting sheet (2).
5. battery modules according to claim 1, which is characterized in that battery modules further include：At least one plastic frame
(F), each plastic frame (F) surrounds the afterbody (41) of each thermistor (4), accommodates marine glue (S) and be fixed on FPC (3).
6. battery modules according to claim 1, which is characterized in that the afterbody (41) of each thermistor (4) is provided with out
There are two connecting portions (412) so that each thermistor (4) has for mouth (411).
7. battery modules according to claim 1, which is characterized in that battery modules further include：Heat-conducting glue, by each temperature-sensitive electricity
A corresponding electric connecting sheet (2) is fixed on the head (42) of resistance (4).
8. battery modules according to claim 7, which is characterized in that
Each electric connecting sheet (2) is provided with recess portion (21)；
The head (42) of each thermistor (4) is fixed on by heat-conducting glue in the recess portion (21) of a corresponding electric connecting sheet (2).
9. battery modules according to claim 8, which is characterized in that
The shape of the bottom surface of recess portion (21) is rectangle；
Heat-conducting glue be directly arranged at the heads (42) of each thermistor (4) and a corresponding electric connecting sheet (2) recess portion (21) it
Between.
10. battery modules according to claim 8, which is characterized in that
The shape of the bottom surface of recess portion (21) is arc；
The head (42) of each thermistor (4) is coated with heat conduction plastic cement (T), the shape of the outer surface of heat conduction plastic cement (T)
It is consistent with the shape of the bottom surface of recess portion (21)；
Heat-conducting glue is arranged between heat conduction plastic cement (T) and the recess portion (21) of a corresponding electric connecting sheet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267874.9U CN207398245U (en) | 2017-09-29 | 2017-09-29 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267874.9U CN207398245U (en) | 2017-09-29 | 2017-09-29 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398245U true CN207398245U (en) | 2018-05-22 |
Family
ID=62330767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721267874.9U Active CN207398245U (en) | 2017-09-29 | 2017-09-29 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398245U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| EP4156402A4 (en) * | 2020-06-18 | 2024-02-14 | Dongguan Poweramp Tech Limited | Battery pack |
| 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 |
-
2017
- 2017-09-29 CN CN201721267874.9U patent/CN207398245U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| EP4156402A4 (en) * | 2020-06-18 | 2024-02-14 | Dongguan Poweramp Tech Limited | Battery pack |
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| GR01 | Patent grant |