CN211828880U - Module-free frame type square-shell power battery system structure - Google Patents
Module-free frame type square-shell power battery system structure Download PDFInfo
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- CN211828880U CN211828880U CN202020236770.7U CN202020236770U CN211828880U CN 211828880 U CN211828880 U CN 211828880U CN 202020236770 U CN202020236770 U CN 202020236770U CN 211828880 U CN211828880 U CN 211828880U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a non-module frame type square-shell power battery system structure, which comprises a box body frame, wherein the box body frame comprises a plurality of battery cell accommodating cavities; at least one square-shell battery cell is vertically placed in each battery cell accommodating cavity; the bottom of the box body frame is fixed on the top of a box body chassis which is horizontally distributed through bolts; for any square-shell battery cell, structural glue is uniformly coated between the side surface of the square-shell battery cell and the inner wall of the battery cell accommodating cavity, between the side surface of the square-shell battery cell and the contact surface of the adjacent square-shell battery cell, and between the bottom surface of the square-shell battery cell and the bottom surface of the chassis of the box body; the left side and the right side of the bottom of the box body frame are respectively welded with longitudinally distributed mounting beams; the front end, the rear end and the middle part of each mounting beam are respectively provided with a whole vehicle fixing hole; each whole automobile fixing hole is fixedly connected with an external whole automobile through a fastener. The structure of the utility model can greatly improve the energy density and grouping efficiency of the system; meanwhile, the cycle life of the battery system can be prolonged by adopting a frame type structure.
Description
Technical Field
The utility model relates to a new energy automobile battery technical field especially relates to a no module frame type square shell power battery system structure.
Background
With the popularization of new energy automobiles, power batteries become more and more important. The traditional battery pack consists of a battery box body, a battery module and a corresponding connector.
Under the dual driving of policy and cost competition, new energy technologies are continually moving toward low cost, modularity, and standardization. The traditional power battery pack has the problems of low energy density, low grouping efficiency and the like, brings great challenges to product planning of battery factories and whole automobile factories, and easily causes waste of resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a no module frame formula square shell power battery system structure to the technical defect that prior art exists.
Therefore, the utility model provides a non-module frame type square-shell power battery system structure, which comprises a box body frame, wherein the box body frame comprises a plurality of mutually spaced battery cell accommodating cavities;
at least one square-shell battery cell is vertically placed in each battery cell accommodating cavity;
the bottom of the box body frame is fixed on the top of a box body chassis which is horizontally distributed through bolts;
for any square-shell battery cell, structural glue is uniformly coated between the side surface of the square-shell battery cell and the inner wall of the battery cell accommodating cavity, between the side surface of the square-shell battery cell and the contact surface of the adjacent square-shell battery cell, and between the bottom surface of the square-shell battery cell and the bottom surface of the box body chassis, and bonding is realized through the structural glue;
the left side and the right side of the bottom of the box body frame are respectively welded with longitudinally distributed mounting beams;
the front end, the rear end and the middle part of each mounting beam are respectively provided with a whole vehicle fixing hole;
each whole vehicle fixing hole is fixedly connected with an external whole vehicle through a fastening piece.
Wherein, in every electric core holds the cavity, pile up from top to bottom and be provided with a plurality of square shell electricity cores.
Wherein, the bottom of the box body frame is welded with the top of the box body chassis.
The box body frame and the box body chassis are made of aluminum alloy.
The box body frame comprises a plurality of longitudinal partition plates distributed at equal intervals and a plurality of transverse partition plates distributed at equal intervals;
the longitudinal partition board and the transverse partition board are mutually and vertically connected;
each joint of the longitudinal partition board and the transverse partition board is provided with an auxiliary fixing hole;
each auxiliary fixing hole is fixedly connected with the whole external automobile through a fixing piece.
Compared with the prior art, the utility model provides a non-module frame type square-shell power battery system structure (namely, a battery pack), which has scientific structural design and is compared with the traditional battery pack, the utility model integrates the battery core into the box body (CTP technology) directly, thus greatly improving the energy density and grouping efficiency of the system;
meanwhile, the frame type structure adopted by the utility model is flexible in design, can reserve space for solving the problems of overlarge expansion force of the battery cell and the like, and can prolong the cycle life of the battery system;
furthermore, the utility model provides a no module frame type square shell power battery system structure has saved a lot of auxiliary materials in the module, can reduce cost by a wide margin and improve production efficiency, has certain foresight.
Drawings
Fig. 1 is a schematic structural diagram of a structure of a module-free frame type square-casing power battery system provided by the present invention;
in the figure: the structure comprises a square-shell battery cell 1, a box body frame 2, a box body chassis 3 and a mounting beam 4;
6 is an auxiliary fixing hole, and 7 is a fixing hole of the whole vehicle.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides a non-module frame type square-shell power battery system structure, which comprises a box body frame 2, wherein the box body frame 2 comprises a plurality of mutually spaced battery cell accommodating cavities 20;
at least one square-shelled cell 1 (e.g., one or both of the two side views shown in fig. 1) is vertically disposed in each cell-accommodating cavity 20;
it should be noted that the specific number of the battery cells can be adjusted according to the height of the box frame and the actual requirement.
The bottom of the box body frame 2 is fixed on the top of a box body chassis 3 which is horizontally distributed through bolts;
for any square-shell battery cell 1, structural glue is uniformly coated between the side surface of the square-shell battery cell 1 and the inner wall of the battery cell accommodating cavity 20, between the side surface of the square-shell battery cell 1 and the contact surface of the adjacent square-shell battery cell, and between the bottom surface of the square-shell battery cell 1 and the bottom surface of the box body chassis 3, and bonding is realized through the structural glue. Therefore, it is possible to secure the fixing strength of the cell and the flatness of the top surface of the square-shell cell 1 for the welding of the bus bar (buss bar).
It should be noted that, the utility model discloses a battery system is "no module" battery package, is about to directly integrate to the battery package in the electric core.
The utility model discloses in, on specifically realizing, every electric core holds in the cavity 20, can pile up from top to bottom and be provided with a plurality of square shell electricity cores 1.
The utility model discloses in, on specifically realizing, for the bulk strength of guaranteeing battery package (being battery system architecture), the bottom of box frame 2 still with 3 top welding on box chassis together, further strengthen the fastness and the reliability of connecting.
The utility model discloses in, on specifically realizing, the material of box frame 2 and box chassis 3, preferably aluminum alloy to can be when guaranteeing the performance, furthest carries out lightweight design and handles.
The utility model discloses in, on specifically realizing, box frame 2 structure can carry out the flexible design according to influence factors such as model, size, expansibility of square shell electricity core 1.
In the utility model, in the concrete implementation, the left and right sides of the bottom of the box body frame 2 are respectively welded with the mounting beams 4 which are longitudinally distributed;
the front end, the rear end and the middle part of each mounting beam 4 are respectively provided with a whole vehicle fixing hole 7;
each vehicle fixing hole 7 is fixedly connected with an external vehicle through a fastener (such as a bolt, a screw and the like). Therefore, the battery pack (namely, the battery system structure) of the utility model can be fixed on the whole automobile.
In the present invention, in a specific implementation, the box frame 2 includes a plurality of longitudinal partitions 21 (not limited to four shown in fig. 1) distributed at equal intervals and a plurality of transverse partitions 22 (not limited to five shown in fig. 1) distributed at equal intervals;
the longitudinal partition boards 21 and the transverse partition boards 22 are mutually and vertically connected;
each joint (namely a cross joint) of the longitudinal partition 21 and the transverse partition 22 is provided with an auxiliary fixing hole 6;
each auxiliary fixing hole 6 is fixedly connected with the external whole automobile through a fixing piece (such as a screw).
Therefore, it is right the utility model discloses, can be through supplementary fixed orifices 6, will the utility model discloses a battery package (be the battery system structure) is connected with the whole car of outside car, carries out the auxiliary fixation, strengthens the bulk strength of battery package.
It should be noted that, the structures and positions of the mounting beam 4 and the vehicle fixing hole 7 can be designed in an adaptive manner according to the requirements of different vehicle types.
It should be noted that, the utility model discloses a many spare parts in the battery box have been saved to no module frame type square shell power battery system structure, and box structure and assembly process are simple, have improved battery system volume utilization, and the percentage of formation is high to the cost of battery package has been reduced by a wide margin. The utility model discloses, through the dual fixed of structure glue and fastener, improved the bulk strength and the rigidity of battery package. Frame rack construction can be according to factors such as the concrete size of electric core, expansibility headspace, the utility model discloses a structural design has high flexibility ratio to can match different motorcycle types according to the demand.
In summary, compared with the prior art, the utility model provides a no module frame type square shell power battery system structure (namely battery pack), its structural design science, compare with traditional battery pack, the utility model discloses integrate the electric core directly to the box (CTP technique), can improve the energy density and the group efficiency of system by a wide margin;
meanwhile, the frame type structure adopted by the utility model is flexible in design, can reserve space for solving the problems of overlarge expansion force of the battery cell and the like, and can prolong the cycle life of the battery system;
furthermore, the utility model provides a no module frame type square shell power battery system structure has saved a lot of auxiliary materials in the module, can reduce cost by a wide margin and improve production efficiency, has certain foresight.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A non-module frame type square-shell power battery system structure is characterized by comprising a box body frame (2), wherein a plurality of battery cell accommodating cavities (20) which are mutually spaced are arranged in the box body frame (2);
at least one square-shell battery cell (1) is vertically arranged in each battery cell accommodating cavity (20);
the bottom of the box body frame (2) is fixed on the top of a box body chassis (3) which is horizontally distributed through bolts;
for any square-shell battery cell (1), structural glue is uniformly coated between the side surface of the square-shell battery cell and the inner wall of the battery cell accommodating cavity (20), between the side surface of the square-shell battery cell and the contact surface of the adjacent square-shell battery cell (1), and between the bottom surface of the square-shell battery cell and the bottom surface of the box body chassis (3), and bonding is realized through the structural glue;
the left side and the right side of the bottom of the box body frame (2) are respectively welded with mounting beams (4) which are longitudinally distributed;
the front end, the rear end and the middle part of each mounting beam (4) are respectively provided with a whole vehicle fixing hole (7);
each whole vehicle fixing hole (7) is fixedly connected with an external whole vehicle through a fastening piece.
2. The modular frame-less square-casing power battery system structure of claim 1, characterized in that a plurality of square-casing cells (1) are stacked one above the other in each cell housing cavity (20).
3. The modular frame-less square-casing power battery system structure of claim 1, wherein the bottom of the tank frame (2) is further welded to the top of the tank chassis (3).
4. The modular frame-less square-casing power battery system structure according to any of claims 1 to 3, characterized in that the material of the tank frame (2) and the tank chassis (3) is aluminum alloy.
5. A modular frame-less square-casing power battery system structure as in any of claims 1 to 3, characterized in that the tank frame (2) comprises a plurality of equally spaced longitudinal partitions (21) and a plurality of equally spaced transverse partitions (22);
the longitudinal partition plate (21) and the transverse partition plate (22) are mutually and vertically connected;
each joint of the longitudinal partition plate (21) and the transverse partition plate (22) is provided with an auxiliary fixing hole (6);
each auxiliary fixing hole (6) is fixedly connected with the whole external automobile through a fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236770.7U CN211828880U (en) | 2020-03-02 | 2020-03-02 | Module-free frame type square-shell power battery system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236770.7U CN211828880U (en) | 2020-03-02 | 2020-03-02 | Module-free frame type square-shell power battery system structure |
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| CN211828880U true CN211828880U (en) | 2020-10-30 |
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| CN202020236770.7U Active CN211828880U (en) | 2020-03-02 | 2020-03-02 | Module-free frame type square-shell power battery system structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114614073A (en) * | 2022-03-29 | 2022-06-10 | 中国科学技术大学 | Silicon-based lithium cell is with no module battery system |
| CN115275481A (en) * | 2022-07-01 | 2022-11-01 | 力神（青岛）新能源有限公司 | Battery system |
| WO2022227774A1 (en) * | 2021-04-30 | 2022-11-03 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
-
2020
- 2020-03-02 CN CN202020236770.7U patent/CN211828880U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227774A1 (en) * | 2021-04-30 | 2022-11-03 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
| EP4167366A4 (en) * | 2021-04-30 | 2024-07-10 | Contemporary Amperex Technology Co Ltd | Battery and electric device |
| CN114614073A (en) * | 2022-03-29 | 2022-06-10 | 中国科学技术大学 | Silicon-based lithium cell is with no module battery system |
| CN114614073B (en) * | 2022-03-29 | 2023-08-25 | 中国科学技术大学 | No module battery system for silicon-based lithium battery |
| CN115275481A (en) * | 2022-07-01 | 2022-11-01 | 力神（青岛）新能源有限公司 | Battery system |
| CN115275481B (en) * | 2022-07-01 | 2023-09-05 | 力神（青岛）新能源有限公司 | Battery system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220119 Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |
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| TR01 | Transfer of patent right |