CN213583935U - Air-cooled battery module of hybrid electric vehicle and battery pack - Google Patents
Air-cooled battery module of hybrid electric vehicle and battery pack Download PDFInfo
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- CN213583935U CN213583935U CN202022595743.1U CN202022595743U CN213583935U CN 213583935 U CN213583935 U CN 213583935U CN 202022595743 U CN202022595743 U CN 202022595743U CN 213583935 U CN213583935 U CN 213583935U
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
A hybrid electric vehicle air-cooled battery module and a battery pack are provided, wherein the hybrid electric vehicle air-cooled battery module comprises a plurality of battery cores, a first clapboard, a second clapboard, a first end plate, a second end plate and a plurality of screw rods; the plurality of battery cells are sequentially arranged, and gaps are arranged between the adjacent battery cells to form an air duct; the first end plate and the second end plate are respectively arranged at two ends of the plurality of battery cells, the first clapboard is clamped between one end part of the plurality of battery cells and the first end plate, and the second clapboard is clamped between the other end part of the plurality of battery cells and the second end plate; the first end plate, the first partition plate, the plurality of battery cells, the second partition plate and the second end plate are sequentially connected through the plurality of screw rods. The wind channel is used for flowing through the cold wind that flows in from battery module top, and the heat of electric core is taken away to cold wind and flows out from the below of battery module, has effectively improved hybrid vehicle battery module's thermal management ability, and the application of a plurality of lead screws makes first end plate, first baffle, a plurality of electric cores, second baffle and second end plate effectively connect together.
Description
Technical Field
The utility model belongs to the battery field, more specifically relates to a hybrid vehicle forced air cooling battery module and battery package.
Background
Nowadays, the advantages of hybrid vehicles are obvious: the characteristics of energy conservation and emission reduction, greenhouse effect alleviation, high starting response speed and the like are realized; the hybrid electric vehicle can better realize energy recovery and realize the optimal matching of the engine and the motor. With the continuous development of hybrid electric vehicles, the requirements of the hybrid electric vehicles on the starting speed and the power performance are higher and higher, the existing design can not meet the requirements, a new battery module structure needs to be designed to improve the discharge rate of a lithium ion battery module and the power performance of the whole vehicle, and accordingly, the high-discharge-rate integrated battery module is produced.
At present, the heating value of the existing battery module in the actual use process is more and more, the structure of the battery module is complex, the number of parts is more, and the manufacturing cost is high, so that higher requirements are provided for the thermal management and the structural optimization of the battery module of the hybrid electric vehicle.
Therefore, the air-cooled battery module of the hybrid electric vehicle is expected to be provided, so that the heat management capability of the battery module of the hybrid electric vehicle can be effectively improved, and the structure of the battery module can be simplified.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hybrid vehicle forced air cooling battery module to improve hybrid vehicle battery module's thermal management ability and simplify the battery module structure.
In order to achieve the above object, the utility model provides a hybrid electric vehicle air-cooled battery module, which comprises a plurality of electric cores, a first baffle, a second baffle, a first end plate, a second end plate and a plurality of screw rods;
the plurality of battery cells are sequentially arranged, and gaps are arranged between the adjacent battery cells to form air ducts;
the first end plate and the second end plate are respectively arranged at two ends of the plurality of battery cells, the first partition plate is clamped between one end of the plurality of battery cells and the first end plate, and the second partition plate is clamped between the other end of the plurality of battery cells and the second end plate; the first end plate, the first partition plate, the plurality of battery cells, the second partition plate and the second end plate are sequentially connected through the plurality of screw rods.
Optionally, the battery cell is rectangular, and at least one corner of the battery cell is provided with a first through hole matched with the diameter of the lead screw; the corners of the first partition plate, the second partition plate, the first end plate and the second end plate corresponding to the battery cell are respectively provided with a second through hole, a third through hole, a fourth through hole and a fifth through hole which are matched with the diameter of the screw rod;
the screw rod sequentially penetrates through the fourth through hole, the second through hole, the first through hole, the third through hole and the fifth through hole.
Optionally, the first end plate and the second end plate are respectively provided with a tab leading-out row, and the tab leading-out row is used for being electrically connected with an external circuit.
Optionally, the tab lead-out row is made of copper.
Optionally, the two ends of each of the battery cells are respectively provided with tabs with opposite bending directions, and the adjacent battery cells are electrically connected through the tabs.
Optionally, a pair of flexible circuit boards is further included;
the pair of flexible circuit boards are respectively arranged at positions, close to two sides, of the upper surfaces of the plurality of battery cores and used for collecting the temperature and the voltage of the battery module.
Optionally, the flexible circuit board is provided with a plurality of collecting parts matched with the tabs, and two ends of each collecting part are respectively connected with the flexible circuit board and one tab.
Optionally, the material of the first end plate and the second end plate is plastic.
Optionally, the battery further comprises a pair of insulation protection plates, wherein the pair of insulation protection plates are respectively arranged on opposite sides of the plurality of battery cells;
and two ends of the insulation protection plate are respectively screwed on the first end plate and the second end plate.
The air-cooled battery pack for the hybrid electric vehicle comprises a box body, a box cover and the air-cooled battery module for the hybrid electric vehicle.
The beneficial effects of the utility model reside in that:
the plurality of battery cells are sequentially arranged, and gaps are arranged between the adjacent battery cells to form an air duct; the air duct is used for flowing cold air flowing in from the upper part of the battery module, and the cold air takes away heat of the battery core and flows out from the lower part of the battery module, so that the heat management capability of the battery module of the hybrid electric vehicle is effectively improved; meanwhile, a first end plate and a second end plate are respectively arranged at two ends of the plurality of battery cells, the first clapboard is clamped between one end part of the plurality of battery cells and the first end plate, and the second clapboard is clamped between the other end part of the plurality of battery cells and the second end plate; the first end plate, the first partition plate, the plurality of battery cells, the second partition plate and the second end plate are sequentially connected through a plurality of screw rods; the application of a plurality of lead screws enables the first end plate, the first partition plate, the plurality of electric cores, the second partition plate and the second end plate to be effectively connected, so that the use of a shell structure is avoided, and the structure of the battery module is effectively simplified.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows an exploded view of an air-cooled battery module for a hybrid vehicle according to an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of an air-cooled battery module of a hybrid electric vehicle according to an embodiment of the present invention.
Fig. 3 shows a side view of a plurality of battery cells of a hybrid electric vehicle air-cooled battery module welded together according to an embodiment of the present invention.
Fig. 4 shows a schematic structural diagram of a flexible circuit board of an air-cooled battery module of a hybrid electric vehicle according to an embodiment of the present invention.
Fig. 5 shows a schematic structural diagram of a first end plate of a hybrid vehicle air-cooled battery module according to an embodiment of the present invention.
1. A first end plate; 2. a first separator; 3. an electric core; 4. a flexible circuit board; 41. a collecting part; 5. a second separator; 6. a second end plate; 7. a screw rod; 8. an insulating protection plate; 9. leading out a tab; 10. and (7) a tab.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The air-cooled battery module of the hybrid electric vehicle comprises a plurality of battery cores, a first baffle, a second baffle, a first end plate, a second end plate and a plurality of lead screws;
the plurality of battery cells are sequentially arranged, and gaps are arranged between the adjacent battery cells to form an air duct;
the first end plate and the second end plate are respectively arranged at two ends of the plurality of battery cells, the first clapboard is clamped between one end part of the plurality of battery cells and the first end plate, and the second clapboard is clamped between the other end part of the plurality of battery cells and the second end plate; the first end plate, the first partition plate, the plurality of battery cells, the second partition plate and the second end plate are sequentially connected through the plurality of screw rods.
Specifically, a plurality of battery cells are sequentially arranged, and a gap is formed between adjacent battery cells to form an air duct; the air duct is used for flowing cold air flowing in from the upper part of the battery module, and the cold air takes away heat of the battery core and flows out from the lower part of the battery module, so that the heat management capability of the battery module of the hybrid electric vehicle is effectively improved; meanwhile, a first end plate and a second end plate are respectively arranged at two ends of the plurality of battery cells, the first clapboard is clamped between one end part of the plurality of battery cells and the first end plate, and the second clapboard is clamped between the other end part of the plurality of battery cells and the second end plate; the first end plate, the first partition plate, the plurality of battery cells, the second partition plate and the second end plate are sequentially connected through a plurality of screw rods; the application of a plurality of lead screws enables the first end plate, the first partition plate, the plurality of electric cores, the second partition plate and the second end plate to be effectively connected, so that the use of a shell structure is avoided, and the structure of the battery module is effectively simplified.
In one example, the battery cell is rectangular, and at least one corner of the battery cell is provided with a first through hole matched with the diameter of the lead screw; the corners of the first partition plate, the second partition plate, the first end plate and the second end plate corresponding to the battery cell are respectively provided with a second through hole, a third through hole, a fourth through hole and a fifth through hole which are matched with the diameter of the screw rod;
the screw rod sequentially penetrates through the fourth through hole, the second through hole, the first through hole, the third through hole and the fifth through hole.
In one example, the first end plate and the second end plate are respectively provided with a tab leading-out row which is used for being electrically connected with an external circuit;
the material of the tab lead-out row is copper.
Specifically, the design of the first end plate and the second end plate replaces the design that the end plates are a single partition plate and a metal welding clamping plate which are sequentially connected with each other in the prior art; this kind of first end plate and second end plate integration structure have effectively reduced battery module weight, have reduced the equipment degree of difficulty of battery module, have reduced the cost of production battery.
In one example, two ends of each cell are respectively provided with tabs with opposite bending directions, and adjacent cells are electrically connected through the tabs.
Specifically, connect through utmost point ear electricity between the adjacent electric core, the utmost point ear of an electric core passes through on the utmost point ear of laser welding technology welding to adjacent electric core, realizes the electricity through utmost point ear welding together between a plurality of electric cores and connects, respectively draws forth one at the both ends of a plurality of batteries and buckles opposite direction's utmost point ear, and these two utmost point ears weld respectively on the baffle to cancel the busbar among the prior art, simplified the structure of battery module, the utility model provides a preferred copper utmost point ear and aluminium utmost point ear of utmost point ear.
In one example, the air-cooled battery module of the hybrid electric vehicle further comprises a pair of flexible circuit boards;
the pair of flexible circuit boards are respectively arranged on the upper surfaces of the plurality of battery cores and close to the two sides of the upper surfaces of the plurality of battery cores and are used for collecting the temperature and the voltage of the battery module;
the flexible circuit board is provided with a plurality of collecting parts matched with the lugs, and two ends of each collecting part are respectively connected with the flexible circuit board and one lug.
Specifically, a pair of flexible circuit board locates the position that the upper surface of a plurality of electric cores is close to both sides respectively, and flexible circuit board and collection portion pass through the laser welding technology integration together, and flexible circuit board arranges required circuit in the polycarbonate membrane, and the structural design of this kind of flexible circuit board can effectively solve the problem of dragging the welding part because of the vibration in the battery use, makes more firm of connection, strengthens the life of battery module.
In one example, the material of the first end plate and the second end plate is plastic.
Specifically, the material of first end plate and second end plate is plastics, and the insulating problem of battery module has fundamentally been solved to the plastics end plate, and the plastics end plate has the quality light, the intensity is high and integrate characteristics such as strong, can effectively alleviate the weight of battery module.
In one example, the air-cooled battery module of the hybrid electric vehicle further comprises a pair of insulation protection plates, wherein the pair of insulation protection plates are respectively arranged on the opposite sides of the plurality of battery cells;
and two ends of the insulation protection plate are respectively screwed on the first end plate and the second end plate.
According to the utility model discloses a hybrid vehicle forced air cooling battery package, including box, case lid and hybrid vehicle forced air cooling battery module.
Examples
As shown in fig. 1 to 5, an air-cooled battery module for a hybrid electric vehicle includes a plurality of battery cells 3, a first separator 2, a second separator 5, a first end plate 1, a second end plate 6, and a plurality of lead screws 7; the plurality of battery cells 3 are sequentially arranged, and gaps are arranged between the adjacent battery cells 3 to form air ducts; the first end plate 1 and the second end plate 6 are respectively arranged at two ends of the plurality of battery cells 3, the first partition plate 2 is clamped between one end of the plurality of battery cells 3 and the first end plate 1, and the second partition plate 5 is clamped between the other end of the plurality of battery cells 3 and the second end plate 6; the first end plate 1, the first partition plate 2, the plurality of battery cells 3, the second partition plate 5 and the second end plate 6 are sequentially connected through a plurality of screw rods 7.
The battery cell 3 is rectangular, and at least one corner of the battery cell 3 is provided with a first through hole matched with the diameter of the screw rod 7; the corners of the first partition board 2, the second partition board 5, the first end board 1 and the second end board 6 corresponding to the battery core 3 are respectively provided with a second through hole, a third through hole, a fourth through hole and a fifth through hole which are matched with the diameter of the screw rod 7; the screw rod 7 sequentially penetrates through the fourth through hole, the second through hole, the first through hole, the third through hole and the fifth through hole. The first end plate 1 and the second end plate 6 are respectively provided with a tab leading-out row 9, and the tab leading-out row 9 is used for being electrically connected with an external circuit; the tab lead-out row 9 is made of copper. The two ends of each electric core 3 are respectively provided with a tab 10 with opposite bending directions, and the adjacent electric cores 3 are electrically connected through the tabs 10. The material of the first end plate 1 and the second end plate 6 is plastic.
The air-cooled battery module of the hybrid electric vehicle also comprises a pair of flexible circuit boards 4 and a pair of insulation protection plates 8; the pair of flexible circuit boards 4 are respectively arranged at positions, close to two sides, of the upper surfaces of the plurality of battery cells 3 and used for collecting the temperature and the voltage of the battery module, the flexible circuit boards 4 are provided with a plurality of collecting parts 41 matched with the lugs 10, and two ends of each collecting part 41 are respectively connected with the flexible circuit board 4 and one lug 10; the pair of insulation protection plates 8 are respectively arranged on the opposite sides of the plurality of electric cores 3; two ends of the insulation protection plate 8 are respectively screwed on the first end plate 1 and the second end plate 6.
A hybrid electric vehicle air-cooled battery pack (not shown) comprises a box body, a box cover and the hybrid electric vehicle air-cooled battery module.
In summary, a plurality of battery cells are sequentially arranged, and a gap is formed between adjacent battery cells to form an air duct; the air duct is used for flowing cold air flowing in from the upper part of the battery module, and the cold air takes away heat of the battery core and flows out from the lower part of the battery module, so that the heat management capability of the battery module of the hybrid electric vehicle is effectively improved; meanwhile, a first end plate and a second end plate are respectively arranged at two ends of the plurality of battery cells, the first clapboard is clamped between one end part of the plurality of battery cells and the first end plate, and the second clapboard is clamped between the other end part of the plurality of battery cells and the second end plate; the first end plate, the first partition plate, the plurality of battery cells, the second partition plate and the second end plate are sequentially connected through a plurality of screw rods; the application of a plurality of lead screws enables the first end plate, the first partition plate, the plurality of electric cores, the second partition plate and the second end plate to be effectively connected, so that the use of a shell structure is avoided, and the structure of the battery module is effectively simplified.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The air-cooled battery module of the hybrid electric vehicle is characterized by comprising a plurality of battery cores (3), a first partition plate (2), a second partition plate (5), a first end plate (1), a second end plate (6) and a plurality of screw rods (7);
the plurality of the electric cores (3) are sequentially arranged, and gaps are arranged between the adjacent electric cores (3) to form air ducts;
the first end plate (1) and the second end plate (6) are respectively arranged at two ends of the plurality of battery cells (3), the first partition plate (2) is clamped between one end of the plurality of battery cells (3) and the first end plate (1), and the second partition plate (5) is clamped between the other end of the plurality of battery cells (3) and the second end plate (6); the first end plate (1), the first partition plate (2), the plurality of battery cores (3), the second partition plate (5) and the second end plate (6) are sequentially connected through the plurality of screw rods (7).
2. The air-cooled battery module for the hybrid electric vehicle as defined in claim 1, wherein the battery core (3) is rectangular, and at least one corner of the battery core (3) is provided with a first through hole matching with the diameter of the screw rod (7); the corners of the first partition plate (2), the second partition plate (5), the first end plate (1), the second end plate (6) and the battery core (3) corresponding to each other are respectively provided with a second through hole, a third through hole, a fourth through hole and a fifth through hole which are matched with the diameter of the screw rod (7);
the screw rod (7) sequentially penetrates through the fourth through hole, the second through hole, the first through hole, the third through hole and the fifth through hole.
3. The air-cooled battery module for the hybrid electric vehicle as defined in claim 1, wherein the first end plate (1) and the second end plate (6) are respectively provided with a tab lead-out row (9), and the tab lead-out row (9) is used for being electrically connected with an external circuit.
4. The air-cooled battery module for hybrid electric vehicles as defined in claim 3, wherein the tab lead-out row (9) is made of copper.
5. The air-cooled battery module for the hybrid electric vehicle as defined in claim 1, wherein tabs (10) with opposite bending directions are respectively disposed at two ends of the electric cores (3), and the adjacent electric cores (3) are electrically connected through the tabs (10).
6. The air-cooled battery module for hybrid electric vehicles according to claim 5, further comprising a pair of flexible circuit boards (4);
the pair of flexible circuit boards (4) are respectively arranged at positions, close to two sides, of the upper surfaces of the plurality of battery cores (3) and used for collecting the temperature and the voltage of the battery module.
7. The air-cooled battery module for hybrid electric vehicles according to claim 6, characterized in that the flexible circuit board (4) is provided with a plurality of collecting parts (41) matched with the tabs (10), and both ends of each collecting part (41) are respectively connected with the flexible circuit board (4) and one tab (10).
8. The air-cooled battery module for hybrid electric vehicles according to claim 1, characterized in that the material of the first end plate (1) and the second end plate (6) is plastic.
9. The air-cooled battery module for the hybrid electric vehicle as defined in claim 1, further comprising a pair of insulation protection plates (8), wherein the pair of insulation protection plates (8) are respectively disposed on opposite sides of the plurality of battery cells (3);
and two ends of the insulation protection plate (8) are respectively screwed on the first end plate (1) and the second end plate (6).
10. The air-cooled battery pack for the hybrid electric vehicle is characterized by comprising a box body, a box cover and the air-cooled battery module for the hybrid electric vehicle as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022595743.1U CN213583935U (en) | 2020-11-11 | 2020-11-11 | Air-cooled battery module of hybrid electric vehicle and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022595743.1U CN213583935U (en) | 2020-11-11 | 2020-11-11 | Air-cooled battery module of hybrid electric vehicle and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583935U true CN213583935U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022595743.1U Active CN213583935U (en) | 2020-11-11 | 2020-11-11 | Air-cooled battery module of hybrid electric vehicle and battery pack |
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| CN (1) | CN213583935U (en) |
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- 2020-11-11 CN CN202022595743.1U patent/CN213583935U/en active Active
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