CN207818695U - Battery unit and battery modules - Google Patents
Battery unit and battery modules Download PDFInfo
- Publication number
- CN207818695U CN207818695U CN201820129744.7U CN201820129744U CN207818695U CN 207818695 U CN207818695 U CN 207818695U CN 201820129744 U CN201820129744 U CN 201820129744U CN 207818695 U CN207818695 U CN 207818695U
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- Prior art keywords
- battery
- battery unit
- fixed frame
- rail portion
- thickness
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery unit and battery modules.Battery unit includes：Fixed frame and bag type secondary battery.Bag type secondary battery has：Main part；And peripheral part, it protrudes from main part and is embedded in fixed frame.At least side of fixed frame along the longitudinal direction is formed with：Rail portion extends in transverse direction.Battery modules include：Multiple above-mentioned battery units；Peripheral frame, the host cavity being open in transverse direction surrounded with peripheral wall and by peripheral wall, multiple battery unit through-thickness are arranged and are contained in host cavity, the internal face corresponding with the rail portion of battery unit of peripheral wall is equipped with the spaced apart track groove of multiple through-thickness, each track groove extends in transverse direction, and the rail portion of each battery unit is contained in corresponding track groove.The battery unit of the utility model is avoided to be damaged in assembling process；When battery unit is assembled into battery modules, reduce assembling procedure, improves the packaging efficiency of battery modules.
Description
Technical field
The utility model is related to field of batteries more particularly to a kind of battery unit and battery modules.
Background technology
It is the module group assembling for solving the problems, such as bag type secondary battery at present, it usually needs before and after aluminium sheet or plastic structure
Battery unit formed to card, then multiple battery units are assembled into as module, but makes in this way that there are the following problems：
Module radiating efficiency is low：When by before and after traditional aluminium sheet or plastic cement to the structure of card, the heat dissipation of aluminium sheet side, heat conduction
Area is small, leads to module overall heat dissipation poor performance, serious to lead to bag type secondary battery performance failure.
Module group assembling efficiency is low, manufacturing cost is high：When traditional bag type secondary battery module group assembling, in order to ensure that structure is strong
Degree, aluminium sheet need to form button bit with the fixing bracket many places of bag type secondary battery, and complicated, parts material is more, is manufactured into
The packaging efficiency of this height, module entirety is low, and is needed by repeatedly assembling when formation module, and the assembly process is complicated.
Utility model content
The problem of in view of background technology, the purpose of this utility model is to provide a kind of battery unit and battery moulds
Group can avoid battery unit from being damaged in assembling process, when battery unit is assembled into battery modules, can reduce group
It fills process and assembly is simple, improve packaging efficiency.
To achieve the goals above, in a first aspect, the utility model provides a kind of battery unit comprising：It is fixed
Frame and bag type secondary battery.Bag type secondary battery has：Main part；And peripheral part, it protrudes from main part and is embedded in solid
Determine in frame.At least side of fixed frame along the longitudinal direction is formed with：Rail portion extends in transverse direction.
To achieve the goals above, in second aspect, the utility model provides a kind of battery modules comprising：It is multiple
According to the battery unit described in the utility model first aspect；Peripheral frame has peripheral wall and is surrounded in transverse direction by peripheral wall
The host cavity of opening, multiple battery unit through-thickness are arranged and are contained in host cavity, peripheral wall and battery unit
The corresponding internal face of rail portion be equipped with the spaced apart track groove of multiple through-thickness, each track groove prolongs in transverse direction
It stretches, and the rail portion of each battery unit is contained in corresponding track groove.
The beneficial effects of the utility model are as follows：
In battery unit according to the present utility model, avoid the peripheral part of bag type secondary battery assembling process due to
The problem of collision is damaged and causes leakage, improves the safety of battery unit；When battery unit is assembled into battery modules
When, compared with the assembling mode of the battery modules of the prior art, assembly method is simple, reduces the accuracy of manufacture and assembly precision,
And reduce assembling procedure, improve the packaging efficiency of battery modules.
Description of the drawings
Fig. 1 is the stereogram of the bag type secondary battery of battery unit according to the present utility model.
Fig. 2 is the stereogram of battery unit according to the present utility model.
Fig. 3 is the sectional view of Fig. 2.
Fig. 4 is the enlarged drawing of the encircled portion in Fig. 3.
Fig. 5 is the exploded perspective view of battery modules according to the present utility model.
Fig. 6 is the installation diagram of Fig. 5, and plurality of battery unit is not entirely enclosed in peripheral frame, for the sake of clarity, is only shown
Peripheral frame and multiple battery units.
Fig. 7 is the assembling figure of Fig. 5.
Fig. 8 is the partial sectional view of Fig. 7.
Wherein, the reference numerals are as follows：
1 battery unit T roofs
11 fixed frame B bottom walls
111 rail portion S side walls
112 end, 212 hole for injecting glue
12 bag type secondary battery, 22 host cavity
121 main part, 3 end plate
122 peripheral part, 4 elastic buffering pad
123 lug H horizontal directions
2 peripheral frame L longitudinal directions
21 peripheral wall T thickness directions
211 track grooves
Specific implementation mode
Battery unit according to the present utility model and battery modules are described in detail with reference to the accompanying drawings.
Illustrate the battery unit according to the utility model first aspect first.
As shown in Figures 1 to 4, battery unit 1 according to the present utility model includes：Fixed frame 11 and bag type secondary battery
12.Bag type secondary battery 12 has：Main part 121；And peripheral part 122, it protrudes from main part 121 and is embedded in fixed frame 11
It is interior.Wherein, at least side of the L along the longitudinal direction of fixed frame 11 is formed with：Rail portion 111, in transverse direction H extensions.
In battery unit 1 according to the present utility model, the peripheral part 122 of battery unit 1 is embedded in fixed frame 11, is kept away
Exempted from the peripheral part 122 of bag type secondary battery 12 assembling process due to collision is damaged and the problem of causing leakage, improve
The safety of battery unit 1；When battery unit 1 is assembled into battery modules described below, the rail portion of battery unit 1
111 slide into the track groove 211 of the corresponding internal face of the peripheral wall 21 of battery modules described below, the battery with the prior art
The assembling mode of module is compared, and assembly method (rail portion 111 slides into track groove 211) simply, reduces the accuracy of manufacture and dress
With precision, and reduce assembling procedure, improves the packaging efficiency of battery modules.
As shown in Figure 3 and Figure 4, specifically, the cross sectional shape of the through-thickness T of rail portion 111 is T-shaped.Certain guide rail
The shape in portion 111 is not limited to this, and can also be other shapes.
Bag type secondary battery 12 also has：Lug 123 is located at the both ends of main part 121 and H stretches out fixation in transverse direction
Frame 11.The position of certain lug 123 is not limited to this, such as the horizontal direction H in main part 121 can also be arranged in lug 123
The same end.
In battery unit 1 according to the present utility model, fixed frame 11 and 12 integrated injection molding of soft-package battery.
Referring to Figure 2 to Figure 4, fixed frame 11 further includes：End 112 is located at the both sides of the horizontal direction H of fixed frame 11.
The both ends of the horizontal direction H of rail portion 111 are connected to end 112 and are spaced in the thickness directiont with end 112
It opens so that rail portion 111 can smoothly slide into guide-track groove 211 described below.112 through-thickness T of end protrudes from pouch-type
The main part 121 of secondary cell 12.When battery unit 1 is assembled into battery modules described below, adjacent two battery lists
Two ends 112 in the same sides horizontal direction H of member 1 are abutted together, and make the main body of two adjacent battery units 1
Portion 121 is spaced apart, and when to battery modules filling heat-conductive glue described below, heat-conducting glue can be filled into two adjacent electricity
Between the main part 121 of pool unit 1, to realize heat conduction.
Secondly battery modules of the explanation according to the utility model second aspect.
With reference to Fig. 5 to Fig. 8, battery modules according to the present utility model include：It is multiple according to the utility model first aspect
The battery unit 1；Peripheral frame 2, the host cavity 22 of the openings of H in transverse direction surrounded with peripheral wall 21 and by peripheral wall 21,
1 through-thickness T of multiple battery units is arranged and is contained in host cavity 22, the guide rail with battery unit 1 of peripheral wall 21
111 corresponding internal face of portion is equipped with the spaced apart track grooves 211 of multiple through-thickness T, and each track groove 211 is transversely square
Extend to H, and the rail portion 111 of each battery unit 1 is contained in corresponding track groove 211.
In battery modules according to the present utility model, the rail portion 111 of each battery unit 1 slides into the corresponding of peripheral wall 21
In the track groove 211 of internal face, compared with the assembling mode of the battery modules of the prior art, the assembly method of this chute-type makes
It must assemble simply, reduce the accuracy of manufacture and assembly precision of battery modules, and reduce assembling procedure, improve battery modules
Packaging efficiency.
The cross sectional shape of 211 through-thickness T of each track groove is with the through-thickness T's of the rail portion 111 of battery unit 1
Cross sectional shape is identical.Preferably, the cross sectional shape of the cross sectional shape and track groove 211 of rail portion 111 is T-shaped, to protect
Card rail portion 111 is inserted into and is positioned in track groove 211 to be fixedly connected without additional.
In one embodiment, as shown in Figure 5 and Figure 6, the both sides of the fixed frame 11 of each battery unit 1 L along the longitudinal direction are equal
It is formed with rail portion 111；The peripheral wall 21 of battery modules is made of roof T, bottom wall B and two side walls S, B pairs of roof T and bottom wall
It is equipped with multiple track grooves 211 with answering, the rail portion 111 of the both sides L along the longitudinal direction of each battery unit 1 is accordingly contained in roof
In the track groove 211 of T and bottom wall B.Each battery unit 1 by the rail portion 111 of the both sides of longitudinal direction L be fixed on roof T and
In the corresponding track groove 211 of bottom wall B, effective position of each battery unit 1 in peripheral frame 2 is realized.
In battery modules according to the present utility model, with reference to Fig. 5, Fig. 6 and Fig. 8 and Fig. 2 to Fig. 4, each battery list are combined
Member 1 fixed frame 11 include：End 112 is located at the both sides of the horizontal direction H of fixed frame 11；The horizontal direction H of rail portion 111
Both ends be connected to end 112 and be spaced apart in the thickness directiont with end 112.
Further, 112 through-thickness T of end protrudes from the main part 121 of bag type secondary battery 12, wherein adjacent
Two adjacent ends 112 of horizontal direction side H of two battery units 1 be abutted together and two 121 edges of main part
Thickness direction T is spaced apart.It ensure that there are gaps between two main parts 121 of two adjacent battery units 1, for hereafter
The injection of the heat-conducting glue.
As shown in Figures 5 to 7, the peripheral wall 21 of peripheral frame 2 is equipped with：Hole for injecting glue 212 penetrates through peripheral wall 21 and is communicated in host cavity
22；Battery modules further include heat-conducting glue (not shown), are filled in host cavity 22 and at least connect each bag type secondary battery 12
In peripheral wall 21.The design of heat-conducting glue efficiently utilizes the remaining space of the inside of peripheral frame 2, and the inside for improving battery modules is empty
Between utilization rate.Supplement, heat-conducting glue have elasticity, and the elastic property of heat-conducting glue can be each battery unit 1 in charge and discharge
Electric cyclic process provides enough expansion spaces when expanding, reduce the deformation of peripheral frame 2.The roof of the peripheral wall 21 of peripheral frame 2
T, it is equipped with hole for injecting glue 212 on bottom wall B and two side walls S.Roof T, bottom wall B and two side walls S are equipped with hole for injecting glue 212
It ensure that heat-conducting glue can be full of the gap location of host cavity 22 and be connect with peripheral wall 21, the heat generated to multiple battery units 1
Peripheral wall 21 is passed to via heat-conducting glue, and then passes to external cooling system (not shown), battery modules are dissipated with realizing
Heat.
As shown in Figure 5 and Figure 6, each battery unit 1 also has：Lug 123, positioned at the both ends of main part 121 and transversely
Direction H stretches out fixed frame 11；Wherein, multiple lugs 123 of the side H in transverse direction of adjacent multiple battery units 1 are opposite
It bends and sticks together.
Battery modules further include：Two end plates 3 are fixed on the both ends of the horizontal direction H of peripheral frame 2 to close host cavity 22
The opening at both ends.
The material of peripheral frame 2 is metal.Metal is aluminium.3 laser welding of each end plate is in peripheral frame 2.
Battery modules further include：Elastic buffering pad 4, through-thickness T are located in the peripheral wall 21 of peripheral frame 2 and adjacent battery
Between the end 112 of unit 1.The setting of elastic buffering pad 4 prevents during injecting glue, side wall S of the heat-conducting glue from peripheral wall 21
Gap outflow between the outermost battery unit 1 for the multiple battery units 1 being arranged side by side.Preferably, elastic buffering pad 4
For foam.
Claims (10)
1. a kind of battery unit (1), including：
Fixed frame (11)；And
Bag type secondary battery (12), has：Main part (121)；And peripheral part (122), it protrudes from main part (121) and buries
In fixed frame (11)；
It is characterized in that, at least side of fixed frame (11) (L) along the longitudinal direction is formed with：Rail portion (111), in transverse direction
(H) extend.
2. battery unit (1) according to claim 1, which is characterized in that bag type secondary battery (12) also has：Lug
(123), it is located at the both ends of main part (121) and (H) stretches out fixed frame (11) in transverse direction.
3. battery unit (1) according to claim 1, which is characterized in that fixed frame (11) further includes：End (112), position
In the both sides of the horizontal direction (H) of fixed frame (11).
4. battery unit (1) according to claim 3, which is characterized in that the two of the horizontal direction (H) of rail portion (111)
End is connected to end (112) and is spaced apart with end (112) on thickness direction (T).
5. battery unit (1) according to claim 3, which is characterized in that end (112) through-thickness (T) protrudes from
The main part (121) of bag type secondary battery (12).
6. a kind of battery modules, which is characterized in that including：
Multiple battery units according to claim 1 (1)；
Peripheral frame (2), the host cavity (22) of (H) the in transverse direction opening surrounded with peripheral wall (21) and by peripheral wall (21) are more
A battery unit (1) through-thickness (T), which arranges, to be simultaneously contained in host cavity (22), peripheral wall (21) and battery unit
(1) rail portion (111) corresponding internal face is equipped with multiple through-thickness (T) spaced apart track groove (211), each rail
(H) extends road slot (211) in transverse direction, and the rail portion (111) of each battery unit (1) is contained in corresponding track groove
(211) in.
7. battery modules according to claim 6, which is characterized in that
The both sides of the fixed frame (11) of each battery unit (1) (L) along the longitudinal direction are each formed with rail portion (111)；
The peripheral wall (21) of battery modules is made of roof (T), bottom wall (B) and two side walls (S), and roof (T) and bottom wall (B) are right
It is equipped with multiple track grooves (211) with answering, the rail portion (111) of each battery unit (1) longitudinal direction (L) both sides accordingly accommodates
In the track groove (211) of roof (T) and bottom wall (B).
8. battery modules according to claim 7, which is characterized in that
The fixed frame (11) of each battery unit (1) includes：End (112) is located at the two of the horizontal direction (H) of fixed frame (11)
Side；
The both ends of the horizontal direction (H) of rail portion (111) be connected to end (112) and on thickness direction (T) with end (112)
It is spaced apart.
9. battery modules according to claim 8, which is characterized in that
End (112) through-thickness (T) protrudes from the main part (121) of bag type secondary battery (12), wherein adjacent two
Two adjacent ends (112) of side horizontal direction (H) of battery unit (1) are abutted together and two main parts (121)
Through-thickness (T) is spaced apart.
10. battery modules according to claim 9, which is characterized in that
The peripheral wall (21) of peripheral frame (2) is equipped with：Hole for injecting glue (212), perforation peripheral wall (21) are simultaneously communicated in host cavity (22)；
Battery modules further include heat-conducting glue, are filled in host cavity (22) and each bag type secondary battery (12) is at least connected to week
Wall (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129744.7U CN207818695U (en) | 2018-01-25 | 2018-01-25 | Battery unit and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129744.7U CN207818695U (en) | 2018-01-25 | 2018-01-25 | Battery unit and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818695U true CN207818695U (en) | 2018-09-04 |
Family
ID=63325396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820129744.7U Active CN207818695U (en) | 2018-01-25 | 2018-01-25 | Battery unit and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818695U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670516A (en) * | 2018-12-05 | 2020-09-15 | 株式会社Lg化学 | Battery module and method for manufacturing same |
| CN113597708A (en) * | 2020-06-18 | 2021-11-02 | 东莞新能安科技有限公司 | Battery pack with pressure relief structure |
| CN113646960A (en) * | 2020-06-18 | 2021-11-12 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| WO2021253329A1 (en) * | 2020-06-18 | 2021-12-23 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| CN114744358A (en) * | 2022-04-13 | 2022-07-12 | 中国电子科技集团公司第十八研究所 | Lithium ion battery pack device |
-
2018
- 2018-01-25 CN CN201820129744.7U patent/CN207818695U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670516A (en) * | 2018-12-05 | 2020-09-15 | 株式会社Lg化学 | Battery module and method for manufacturing same |
| US20210057689A1 (en) * | 2018-12-05 | 2021-02-25 | Lg Chem, Ltd. | Battery module and manufacturing method thereof |
| US11749852B2 (en) * | 2018-12-05 | 2023-09-05 | Lg Energy Solution, Ltd. | Battery module and manufacturing method thereof |
| CN113597708A (en) * | 2020-06-18 | 2021-11-02 | 东莞新能安科技有限公司 | Battery pack with pressure relief structure |
| CN113646960A (en) * | 2020-06-18 | 2021-11-12 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| WO2021253330A1 (en) * | 2020-06-18 | 2021-12-23 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| WO2021253329A1 (en) * | 2020-06-18 | 2021-12-23 | 东莞新能安科技有限公司 | Battery pack and electric vehicle |
| WO2021253334A1 (en) * | 2020-06-18 | 2021-12-23 | 东莞新能安科技有限公司 | Battery pack having pressure relief structure |
| US12009542B2 (en) | 2020-06-18 | 2024-06-11 | Dongguan Poweramp Technology Limited | Battery pack and electric vehicle |
| CN114744358A (en) * | 2022-04-13 | 2022-07-12 | 中国电子科技集团公司第十八研究所 | Lithium ion battery pack device |
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| GR01 | Patent grant |