CN209133586U - Cylindrical electrical core battery module and battery modules - Google Patents
Cylindrical electrical core battery module and battery modules Download PDFInfo
- Publication number
- CN209133586U CN209133586U CN201920122718.6U CN201920122718U CN209133586U CN 209133586 U CN209133586 U CN 209133586U CN 201920122718 U CN201920122718 U CN 201920122718U CN 209133586 U CN209133586 U CN 209133586U
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- China
- Prior art keywords
- battery
- cylindrical electrical
- thermally conductive
- electrical core
- core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of cylindrical electrical core battery module and battery modules, the battery module includes battery core unit and bracket, and the branch is provided with two and is located at the both ends of battery core unit, and thermally conductive skeleton is equipped between the battery core unit and the bracket；The battery core unit includes having gap between the monomer cylindrical electrical core of several laid out in parallel and the adjacent monomer cylindrical electrical core, and the thermally conductive skeleton includes several thermally conductive through-holes, and the thermally conductive through-hole and the monomer cylindrical electrical core correspond.The utility model discloses a kind of cylindrical electrical core battery module and battery modules, add thermally conductive skeleton, and cooling effect is good, improve the service life of battery module and battery modules.
Description
Technical field
The utility model belongs to cylindrical electrical core battery technology field, more particularly to a kind of cylindrical electrical core battery module and electricity
Chi Mo group.
Background technique
In recent years, pure electric automobile and hybrid vehicle can substantially eliminate even zero-emission vehicle tail gas with it
Advantage, the attention by government and each Automobile Enterprises.However, the battery in pure electric vehicle and hybrid vehicle
And capacity attenuation is urgent problem.
The service life and capacity attenuation of battery and the temperature difference of battery system and temperature elevation amplitude have closely
Relationship.Battery modules can generate a large amount of heat at work, if the heat can not be discharged in time, will make battery modules
Interior temperature constantly rises, and influences the service life of battery modules.
The mould group of cylindrical cell mostly model comparision is in groups the natural type of cooling at present.Liquid cooling mould group is than more typical
Scheme is exactly the coiled pipe liquid cooling scheme of tesla, but the coiled pipe liquid cooling scheme of tesla has the disadvantages that as shown in Figure 1
18650 battery cores 37P9S mould group, (1), its 18650 battery core 2 need battery core positive and negative anodes to assemble alternatively up and down in series and parallel, every
Upward, downward, this increases difficulty to assembling process is manufactured to 37 adjacent battery core anodes to the anode of 37 battery cores, so that
Being easy to the loading error of battery core direction causes entire mould group to scrap；(2) 3 assembling process of coiled pipe is more troublesome, assembles in battery core
To after lower bracket, because coiled pipe needs insulation processing and needs to paste thermal conductive silicon rubber mat to eliminate manufacturing tolerance its side wall,
Therefore it causes to need elastic conjunction between coiled pipe and battery core, causes the assembly difficulty of coiled pipe, be difficult to realize automatic metaplasia
It produces, causes the low cost of production efficiency excessively high；(3) bridging copper sheet of connecting therefore is needed because needing to connect between battery core positive and negative anodes
4, cause copper sheet to need excessive, weight increases, so that the group efficiency of entire mould group reduces.
Utility model content
The utility model is added thermally conductive mainly solving the technical problems that a kind of cylindrical electrical core battery module and battery modules
Skeleton, cooling effect is good, improves the service life of battery module and battery modules.
In order to solve the above technical problems, a technical solution of the use of the utility model is as follows:
The utility model provides a kind of cylindrical electrical core battery module, and the battery module includes battery core unit and bracket,
The branch is provided with two and is located at the both ends of battery core unit, and thermally conductive bone is equipped between the battery core unit and the bracket
Frame；
The battery core unit includes between the monomer cylindrical electrical core of several laid out in parallel and the adjacent monomer cylindrical electrical core
With gap, the thermally conductive skeleton includes several thermally conductive through-holes, and the thermally conductive through-hole and the monomer cylindrical electrical core correspond.
It further says, the thermally conductive skeleton overlaps riveting by several thermally conductive sheets.
It further says, the 1/3-1/2 with a thickness of distance between adjacent column battery core of the thermally conductive sheet, the thermally conductive bone
5-10 times with a thickness of distance between adjacent monomer cylindrical electrical core of frame.
It further says, the thermally conductive sheet is cold rolling aluminium flake；The euphotic belt in the punching press aperture of the thermally conductive through-hole is greater than
90%.
It further says, the battery module further includes nickel sheet, and the nickel sheet is set to the outside of the bracket, the bracket
With several and one-to-one rack ventilating hole of monomer cylindrical electrical core, the both ends of the monomer cylindrical electrical core sequentially pass through respectively is led
It is fixedly connected after hot skeleton and bracket with nickel sheet.
The utility model additionally provides a kind of battery modules with above-mentioned cylindrical electrical core battery module, the battery modules
Including battery main body and fastener, the battery main body includes several concatenated battery modules, and the fastener passes through several strings
Battery module and fastening locking after connection.
It further says, the battery modules further include both ends insulation board and two mould group end plates, two overhang insulations
Plate is respectively arranged on the two sides of battery main body, and the two mould group end plates are respectively arranged on the outside of both ends insulation board.
It further says, the battery modules further include connecting cathode metal piece and the connection battery master of battery main body anode
The negative metal piece of body cathode, the cathode metal piece and negative metal piece are respectively arranged on the end of battery main body and are located at battery
Between main body and overhang insulation plate.
It further says, the sheet metal is copper sheet or aluminium flake.
It further says, the fastener is equipped with several.
The beneficial effects of the utility model are as follows:
Battery module is equipped with thermally conductive skeleton in the utility model, and raising cooling effect is good, improves battery module and battery mould
The service life of group；
More preferably, since the distance between thermally conductive through-hole is 1mm, and the radiating efficiency of the thermally conductive skeleton of 5-10mm thickness
It is balanced compared with energy density；And make the thermally conductive skeleton of 5-10mm thickness, can only using single heat conduction piece using 0.3 or
The aluminium sheet of 0.5mm is stamped to form, and is then riveted by several thermally conductive sheets overlapping, is avoided thermally conductive sheet is too thick punching press is caused to tear,
Such design has practicability；
More preferably, several concatenated battery modules are passed through by fastener and locked, cancel battery module series connection bridging
Copper sheet or aluminium flake, modular structure is compact, improves the groups of energy density of mould group；Furthermore each battery module includes several monomers
Cylindrical electrical core, several monomer cylindrical electrical core laid out in parallel, battery module assembly is simple, and automation easy to accomplish improves production effect
Rate.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tesla's coiled pipe water-cooled cells mould group；
Fig. 2 is the structural schematic diagram of the battery module of the utility model；
Fig. 3 is the structural schematic diagram of the thermally conductive skeleton of the utility model；
Fig. 4 is the structural schematic diagram of the battery modules of the utility model；
Each section label is as follows in attached drawing:
Battery modules 1, battery module 10, battery core unit 101, thermally conductive skeleton 102, thermally conductive through-hole 1021, thermally conductive sheet 1022,
Bracket 103, nickel sheet 104, overhang insulation plate 11, mould group end plate 12, cathode metal piece 13, negative metal piece 14 and fastener 20.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Embodiment 1: a kind of cylindrical electrical core battery module, as shown in Fig. 2-Fig. 3, the battery module 10 includes battery core unit
101 and bracket 103, the branch be provided with two and be located at the both ends of battery core unit, the battery core unit and the bracket
Between be equipped with thermally conductive skeleton 102；
The battery core unit includes between the monomer cylindrical electrical core of several laid out in parallel and the adjacent monomer cylindrical electrical core
With gap, the thermally conductive skeleton includes several thermally conductive through-holes 1021, and the thermally conductive through-hole and the monomer cylindrical electrical core are one by one
It is corresponding.
The thermally conductive skeleton overlaps riveting by several thermally conductive sheets 1022.
The 1/3-1/2 with a thickness of distance between adjacent column battery core of the thermally conductive sheet, the thermally conductive skeleton with a thickness of
5-10 times of distance between adjacent monomer cylindrical electrical core.
In the present embodiment, 18650 cylindrical electrical cores are selected, the spacing between monomer cylindrical electrical core is in 1mm or so, then described
Thermally conductive sheet with a thickness of 0.3-0.5mm, thermally conductive skeleton thickness control in 5-10mm, radiating efficiency is equal compared with energy density
Weighing apparatus.
The thermally conductive sheet is cold rolling aluminium flake；The euphotic belt in the punching press aperture of the thermally conductive through-hole is greater than 90%.
The cold rolled aluminum is 3 systems or 5 system cold-rolled aluminium sheets, this aluminium sheet has many advantages, such as thermal conductivity height, and punch forming is easier to.
The battery module further includes nickel sheet 104, and the nickel sheet is set to the outside of the bracket, and the bracket has several
With the one-to-one rack ventilating hole of monomer cylindrical electrical core (not shown go out), the both ends of the monomer cylindrical electrical core sequentially pass through respectively
It is fixedly connected after thermally conductive skeleton and bracket with nickel sheet.
Monomer cylindrical electrical core uses cardioid Heterogeneous Permutation and rectangular array in the battery core unit.
Monomer cylindrical electrical core uses cardioid Heterogeneous Permutation in the battery core unit, and the thermally conductive through-hole of the thermally conductive skeleton uses
Cardioid Heterogeneous Permutation, compact-sized, energy density is high.
The bracket is plastic stent.
Embodiment 2: a kind of battery modules, as shown in figure 4, the battery modules 1 include battery main body and fastener 20, institute
Stating battery main body includes battery module 10 described in several concatenated embodiments 1, after the fastener passes through several series connection
Battery module and fastening locking.
The battery modules further include both ends insulation board 11 and two mould group end plates 12, and the two overhang insulation plates are set respectively
In the two sides of battery main body, the two mould group end plates are respectively arranged on the outside of both ends insulation board.
The battery modules further include the cathode metal piece 13 and connection battery main body cathode for connecting battery main body anode
Negative metal piece 14, the cathode metal piece and negative metal piece be respectively arranged on the end of battery main body and be located at battery main body with
Between overhang insulation plate.
The sheet metal is copper sheet or aluminium flake.
The fastener is equipped with several.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure transformation made by the utility model specification, it is applied directly or indirectly in other relevant technical fields,
It is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of cylindrical electrical core battery module, it is characterised in that: the battery module (10) includes battery core unit (101) and bracket
(103), the branch is provided with two and is located at the both ends of battery core unit, is equipped between the battery core unit and the bracket
Thermally conductive skeleton (102)；
The battery core unit includes having between the monomer cylindrical electrical core of several laid out in parallel and the adjacent monomer cylindrical electrical core
Gap, the thermally conductive skeleton include several thermally conductive through-holes (1021), and the thermally conductive through-hole and the monomer cylindrical electrical core one are a pair of
It answers.
2. cylindrical electrical core battery module according to claim 1, it is characterised in that: the thermally conductive skeleton is by several thermally conductive sheets
(1022) riveting is overlapped.
3. cylindrical electrical core battery module according to claim 2, it is characterised in that: the thermally conductive sheet with a thickness of adjacent circle
The 1/3-1/2 of distance between column battery core, 5-10 times with a thickness of distance between adjacent monomer cylindrical electrical core of the thermally conductive skeleton.
4. cylindrical electrical core battery module according to claim 2, it is characterised in that: the thermally conductive sheet is cold rolling aluminium flake；Institute
The euphotic belt for stating the punching press aperture of thermally conductive through-hole is greater than 90%.
5. cylindrical electrical core battery module according to claim 1, it is characterised in that: the battery module further includes nickel sheet
(104), the nickel sheet is set to the outside of the bracket, and the bracket has several and one-to-one bracket of monomer cylindrical electrical core
Through-hole, the both ends of the monomer cylindrical electrical core are fixedly connected after sequentially passing through thermally conductive skeleton and bracket respectively with nickel sheet.
6. a kind of battery modules with any cylindrical electrical core battery module of claim 1-5, it is characterised in that: described
Battery modules (1) include battery main body and fastener (20), and the battery main body includes several concatenated battery modules (10), institute
State battery module and fastening locking of the fastener after several series connection.
7. cylindrical electrical core battery modules according to claim 6, it is characterised in that: the battery modules further include both ends
Insulation board (11) and two mould group end plates (12), the two overhang insulation plates are respectively arranged on the two sides of battery main body, the two mould groups
End plate is respectively arranged on the outside of both ends insulation board.
8. cylindrical electrical core battery modules according to claim 7, it is characterised in that: the battery modules further include connection electricity
The cathode metal piece (13) of tank main body anode and the negative metal piece (14) for connecting battery main body cathode, the cathode metal piece and
Negative metal piece is respectively arranged on the end of battery main body and between battery main body and overhang insulation plate.
9. cylindrical electrical core battery modules according to claim 8, it is characterised in that: the sheet metal is copper sheet or aluminium flake.
10. cylindrical electrical core battery modules according to claim 6, it is characterised in that: the fastener is equipped with several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122718.6U CN209133586U (en) | 2019-01-24 | 2019-01-24 | Cylindrical electrical core battery module and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122718.6U CN209133586U (en) | 2019-01-24 | 2019-01-24 | Cylindrical electrical core battery module and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133586U true CN209133586U (en) | 2019-07-19 |
Family
ID=67250106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122718.6U Expired - Fee Related CN209133586U (en) | 2019-01-24 | 2019-01-24 | Cylindrical electrical core battery module and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793978A (en) * | 2021-09-28 | 2021-12-14 | 广东博力威科技股份有限公司 | Assembly structure and method of large cylindrical battery cell |
-
2019
- 2019-01-24 CN CN201920122718.6U patent/CN209133586U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793978A (en) * | 2021-09-28 | 2021-12-14 | 广东博力威科技股份有限公司 | Assembly structure and method of large cylindrical battery cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |