CN208256867U - Battery modules - Google Patents
Battery modules Download PDFInfo
- Publication number
- CN208256867U CN208256867U CN201820055535.2U CN201820055535U CN208256867U CN 208256867 U CN208256867 U CN 208256867U CN 201820055535 U CN201820055535 U CN 201820055535U CN 208256867 U CN208256867 U CN 208256867U
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- China
- Prior art keywords
- battery modules
- heat
- flat part
- conducting plate
- heating component
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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 comprising: two cell assemblies, in the width direction side by side and each cell assembly includes multiple batteries along its length side by side；And heating component, it is set between described two cell assemblies and for being heated to each battery in described two cell assemblies.When heating component simultaneously heats each battery in described two cell assemblies, since any one in described two cell assemblies only has width direction side adjacent with heating component, thus described two cell assemblies in battery modules are heated evenly.When multiple battery modules of this structure are applied in battery pack simultaneously lay out in parallel simultaneously, since two cell assemblies in each battery modules are heated evenly and cell assembly in each battery modules is not influenced by the heating component in battery modules adjacent thereto, thus all battery modules are heated evenly.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of battery modules.
Background technique
The charge-discharge magnification of battery modules (such as lithium battery mould group) is usually limited by temperature, such as in cold season,
Since environment temperature is lower, it is bad or even the phenomenon that can not start that electric car can generally have performance.In order to solve above-mentioned ask
Heating membrane is arranged usually in battery modules to heat to the battery in battery modules in topic.Specifically, existing heating
The set-up mode of diaphragm is as follows: (1) using heating membrane in battery modules two sides, but use the cost of this setup
It is higher；(2) heating membrane only is used in the wherein side of battery modules, when the battery modules using this setup are in battery
It will lead to the uneven heating of different battery modules in packet when lay out in parallel, as shown in Figure 7 (when battery modules A, B, C, D are in battery
In packet when lay out in parallel, battery modules A, B, C are closer due to temperature drift because with two panels heating membrane S, and in most right
The battery modules D of side temperature due to only adjacent with a piece of heating membrane S is relatively low).
Utility model content
In view of the problems in the background art, the purpose of this utility model is to provide a kind of battery modules, battery moulds
Two cell assemblies in group are heated evenly, and when it is applied in battery pack, all battery modules side by side are heated equal
It is even.
To achieve the goals above, the utility model provides a kind of battery modules comprising: two cell assemblies,
In the width direction side by side and each cell assembly includes multiple batteries along its length side by side；And heating component, it is set to
Between described two cell assemblies and for being heated to each battery in described two cell assemblies.
The beneficial effects of the utility model are as follows:
In battery modules according to the present utility model, battery modules include two side-by-side cell assembly and are set to
Heating component between described two cell assemblies, when heating component is simultaneously to each battery in described two cell assemblies
When being heated, since any one in described two cell assemblies only has width direction side and heating component phase
Neighbour, thus described two cell assemblies in battery modules are heated evenly.When this structure multiple battery modules simultaneously
Applied in battery pack and when lay out in parallel, since two cell assemblies in each battery modules are heated evenly and each battery mould
Cell assembly in group is not influenced by the heating component in battery modules adjacent thereto, thus all battery modules
It is heated evenly.In addition, the setting of heating component enhances the overall structural strength of battery modules, without in battery modules
Two cell assemblies between add other reinforcement structures.
Detailed description of the invention
Fig. 1 is the installation diagram of battery modules according to the present utility model.
Fig. 2 be from view opposite with Fig. 1's to installation diagram.
Fig. 3 is the exploded view of Fig. 1.
Fig. 4 is the perspective view of the heating component in Fig. 3, and wherein heating component is in the state after assembly.
Fig. 5 is the perspective view before the heating component in Fig. 4 is unassembled.
Fig. 6 is the exploded view of the heating component in Fig. 5.
Fig. 7 is the positional diagram of several battery modules of battery pack in the prior art, wherein each battery modules
Unilateral side is provided with heating membrane.
Wherein, the reference numerals are as follows:
1 cell assembly, 231 jack
11 battery, 3 framework
2 heating component, 31 end plate
21 heat-conducting plate, 311 mounting hole
211 laminate, 32 side plate
2111 first flat part, 4 heat conductive pad
2112 second flat part W width directions
2113 groove portion L length directions
22 heater H short transverses
23 conductive terminals
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. 6, battery modules according to the present utility model include: two cell assemblies 1, in the width direction W
Side by side and each cell assembly 1 includes the multiple batteries 11 of L side by side along its length；And heating component 2, it is set to described two
Between a cell assembly 1 and for being heated to each battery 11 in described two cell assemblies 1.
In battery modules according to the present utility model, battery modules include two side-by-side cell assembly 1 and setting
Heating component 2 between described two cell assemblies 1, when heating component 2 is simultaneously in described two cell assemblies 1
When each battery 11 is heated, since any one in described two cell assemblies 1 only has the side width direction W and adds
Hot component 2 is adjacent, thus described two cell assemblies 1 in battery modules are heated evenly.When multiple electricity of this structure
Chi Mo group is applied to simultaneously in battery pack and when lay out in parallel, since two cell assemblies 1 in each battery modules are heated equal
Cell assembly 1 in even and each battery modules is not influenced by the heating component 2 in battery modules adjacent thereto, thus
All battery modules are heated evenly.
In addition, the setting of heating component 2 enhances the overall structure of battery modules in the battery modules of the utility model
Intensity, without adding other reinforcement structures between two cell assemblies 1 of battery modules.
Referring to figs. 1 to Fig. 6, heating component 2 can include: heat-conducting plate 21, between described two cell assemblies 1 and shape
At there is cavity；Heater 22, wears and L is protruded from along its length the cavity for being fixed on heat-conducting plate 21 and one end of heater 22
The cavity；And conductive terminal 23, it is fixed on described one end of heater 22 and is electrically connected to power supply unit so that heater
22 generate heat and heat heat-conducting plate 21.Wherein, power supply unit can be battery modules itself or be external other power supply units.Heating group
Part 2 is in energized state under the action of power supply unit, and when electric current flows through the heater 22 of heating component 2, heater 22 is produced
Heat amount and generate heat, heater 22 transfers heat to heat-conducting plate 21 at the same time, and heat-conducting plate 21 transfers heat to described again
Each battery 11 in two cell assemblies 1 is achieved in heating component 2 to each battery in described two cell assemblies 1
11 heating.
Referring to Fig.1 and Fig. 3 to Fig. 6, conductive terminal 23 can be with there are two jacks 231.Wherein, described two jacks 231
Electric polarity on the contrary, being achieved in being electrically connected between heating component 2 and power supply unit.
Since the sensitivity of thermal resistor is higher, small in size, operating temperature range is wide, overload capacity is strong, stability is good
And can detect the variation of temperature, thus the heater 22 of heating component 2 can be thermal resistor (such as PTC).
In battery modules assembling process, after heater 22 wears the cavity of heat-conducting plate 21, heater 22 can be by solid
Determine gluing and is affixed on the cavity of heat-conducting plate 21 to realize being fixedly connected between heater 22 and heat-conducting plate 21.
Referring to figs. 1 to Fig. 3, battery modules may also include that framework 3, accommodate and described two cell assemblies that are fixedly clamped
1.The heat-conducting plate 21 of heating component 2 is fixed on framework 3, and described one end of heater 22 is (i.e. for fixed conductive terminals 23
One end) it passes through framework 3 and extend out to outside framework 3.Wherein, in battery modules assembling process, when described the one of heater 22
It holds across framework 3 and after extending out to 3 outside of framework, then conductive terminal 23 is fixed on to the one end of heater 22.
With further reference to Fig. 1 to Fig. 3, framework 3 can include: two end plates 31 are located at two side-by-side batteries integrated
The two sides length direction L of body 1, each end plate 31 are fixedly connected with the heat-conducting plate 21 of heating component 2；And two side plates 32, difference position
In the two sides width direction W of two side-by-side cell assembly 1, each side plate 32 is fixedly connected with two end plates 31 to be fixedly clamped
State two cell assemblies 1.
Referring to Fig. 3, each end plate 31 has the mounting hole 311 being inserted into for heat-conducting plate 21.Wherein, the heater of heating component 2
22 described one end passes through the mounting hole while mounting hole 311 of a corresponding end plate 31 as heat-conducting plate 21 is inserted into together
311 and extend out to outside framework 3, and the other end of heater 22 is inserted into the mounting hole 311 of another corresponding end plate 31 and not
Across the mounting hole 311.
Referring to fig. 4 to fig. 6, heat-conducting plate 21 can include: two laminates 211 are laminated and are fixed together.Specifically,
Each laminate 211 can include the first flat part 2111；Second flat part 2112, L protrudes from the first flat part along its length
2111, and the part for protruding from the first flat part 2111 of the second flat part 2112 is stretched via the mounting hole 311 of corresponding end plate 31
It reclines face-to-face to 31 outside of end plate and via bending out, be fixed on the end plate 31 (as shown in Figure 1)；And groove portion
2113, between the first flat part 2111 and the second flat part 2112 and it is connected to the first flat part 2111 and the second flat part
2112.Wherein, 2112 shape of the second flat part of the groove portion 2113 of a laminate 211 in heat-conducting plate 21 and another laminate 211
At the cavity of heat-conducting plate 21.
Here it remarks additionally, in battery modules assembling process, the first flat part of each laminate 211 of heat-conducting plate 21
The Justified part with the first flat part 2111 at 2111 both ends, the both ends of groove portion 2113 and the second flat part 2112
It is inserted into the mounting hole 311 of corresponding end plate 31, and the second flat part 2112 of each laminate 211 protrudes from the first flat part 2111
Part extend out to 31 outside of end plate via the mounting hole 311 of corresponding end plate 31 and recline, fix face-to-face via bending
(as welded) is in the end plate 31.At the same time, described one end of heater 22 is also stretched out via the mounting hole 311 of corresponding end plate 31
To the end plate 31.
Each laminate 211 of heat-conducting plate 21 can be first separately formed using Sheet Metal Forming Technology, and then two laminates 211 are laminated and are consolidated
Surely heat-conducting plate 21 can be formed by linking together.
Certainly, heating component 2 is not limited only to above-mentioned double panel structure, and the heat-conducting plate 21 of heating component 2 can also be lamina
Structure, the cavity of heat-conducting plate 21 is the long through-hole that L penetrates through heat-conducting plate 21 along its length at this time, and heater 22 wears and is fixed on
L protrudes from the long through-hole along its length in the long through-hole of heat-conducting plate 21 and described one end of heater 22.
In order to enhance the laminating degree between each battery 11 in heating component 2 and each cell assembly 1, battery modules are also
Can include: heat conductive pad 4 is set between heating component 2 and each cell assembly 1, as shown in Figure 3.It is based on heat conductive pad 4 as a result,
Setting, improve heating component 2 to all batteries in the heating effect and each cell assembly 1 of each cell assembly 1
11 heated uniformities.
Claims (9)
1. a kind of battery modules characterized by comprising
Two cell assemblies (1), (W) is side by side in the width direction and each cell assembly (1) includes that (L) side by side along its length
Multiple batteries (11)；And
Heating component (2) is set between described two cell assemblies (1) and for described two cell assemblies (1)
In each battery (11) heated；
Heating component (2) includes: heat-conducting plate (21), between described two cell assemblies (1) and is formed with cavity；Fever
Body (22), wear and be fixed on heat-conducting plate (21) cavity and heater (22) one end along its length (L) protrude from it is described
Cavity；And conductive terminal (23), it is fixed on described one end of heater (22) and is electrically connected to power supply unit so that heater
(22) it generates heat and heats heat-conducting plate (21).
2. battery modules according to claim 1, which is characterized in that heater (22) is thermistor.
3. battery modules according to claim 1, which is characterized in that heater (22) is affixed on heat-conducting plate by fixed gluing
(21) cavity.
4. battery modules according to claim 1, which is characterized in that
Battery modules further include: framework (3) accommodates and is fixedly clamped described two cell assemblies (1)；
The heat-conducting plate (21) of heating component (2) is fixed on framework (3), and described one end of heater (22) passes through framework (3) simultaneously
It is external to extend out to framework (3).
5. battery modules according to claim 4, which is characterized in that framework (3) includes:
Two end plates (31) are located at two sides length direction (L) of two side-by-side cell assembly (1), each end plate (31)
It is fixedly connected with the heat-conducting plate (21) of heating component (2)；And
Two side plates (32) are located at two sides width direction (W) of two side-by-side cell assembly (1), each side plate (32)
Two end plates (31) are fixedly connected with be fixedly clamped described two cell assemblies (1).
6. battery modules according to claim 5, which is characterized in that each end plate (31), which has, is inserted into for heat-conducting plate (21)
Mounting hole (311).
7. battery modules according to claim 6, which is characterized in that heat-conducting plate (21) includes: two laminates (211), layer
It folds and is fixed together.
8. battery modules according to claim 7, which is characterized in that each laminate (211) includes
First flat part (2111)；
Second flat part (2112), (L) is protruded from the first flat part (2111) along its length, and the second flat part (2112)
The part for protruding from the first flat part (2111) is extend out to outside the end plate (31) and via curved via corresponding mounting hole (311)
It rolls over and reclines face-to-face, is fixed on the end plate (31)；And
Groove portion (2113) between the first flat part (2111) and the second flat part (2112) and is connected to the first flat part
(2111) and the second flat part (2112)；
Wherein, the second flat part of the groove portion (2113) of a laminate (211) in heat-conducting plate (21) and another laminate (211)
(2112) cavity of heat-conducting plate (21) is formed.
9. battery modules according to claim 1, which is characterized in that battery modules further include: heat conductive pad (4) is set to
Between heating component (2) and each cell assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820055535.2U CN208256867U (en) | 2018-01-12 | 2018-01-12 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820055535.2U CN208256867U (en) | 2018-01-12 | 2018-01-12 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256867U true CN208256867U (en) | 2018-12-18 |
Family
ID=64619367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820055535.2U Active CN208256867U (en) | 2018-01-12 | 2018-01-12 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256867U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133761A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | 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 |
| CN111952693A (en) * | 2020-08-21 | 2020-11-17 | 华霆（合肥）动力技术有限公司 | Battery module and electric vehicle |
-
2018
- 2018-01-12 CN CN201820055535.2U patent/CN208256867U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133761A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | 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 |
| US11251500B2 (en) | 2019-04-30 | 2022-02-15 | Contemporary Amperex Technology Co., Limited | Battery module and battery pack |
| CN111952693A (en) * | 2020-08-21 | 2020-11-17 | 华霆（合肥）动力技术有限公司 | Battery module and electric vehicle |
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| GR01 | Patent grant |