CN116093523B - Modularized rapid splicing type lithium battery pack - Google Patents
Modularized rapid splicing type lithium battery pack Download PDFInfo
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- CN116093523B CN116093523B CN202310383373.0A CN202310383373A CN116093523B CN 116093523 B CN116093523 B CN 116093523B CN 202310383373 A CN202310383373 A CN 202310383373A CN 116093523 B CN116093523 B CN 116093523B
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- shell
- liquid outlet
- outlet pipe
- liquid inlet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/269—Mechanical means for varying the arrangement of batteries or cells for different uses, e.g. for changing the number of batteries or for switching between series and parallel wiring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a modularized rapid spliced lithium battery pack, which comprises a shell, wherein electric cores are arranged in the shell, four vertical side surfaces of the shell are the same in size, a liquid inlet and a liquid outlet pipe are respectively arranged on two adjacent vertical side surfaces of the shell, two parallel clamping grooves are formed in one surface of the liquid outlet pipe of the shell, and two clamping tongues which can be inserted into the clamping grooves are formed in one surface of the liquid inlet of the shell; compared with the prior art, the invention realizes the quick connection among a plurality of battery packs and the circulation of cooling liquid, and has simple and convenient operation and diversified splicing modes so as to adapt to different application scenes and accommodating space requirements, thereby improving the flexibility and adaptability of the battery packs.
Description
Technical Field
The invention relates to the technical field of lithium battery packs, in particular to a modularized rapid spliced lithium battery pack.
Background
With the rapid development of the fields of mobile power sources, electric automobiles and the like, the weight, the capacity, the charge and discharge performance and the like of the lithium battery pack serving as an important energy storage device are continuously improved. However, in the use process of the lithium battery pack, a plurality of battery packs are often required to be connected quickly so as to meet the requirements of different scenes, for example, the electric automobile needs to connect the plurality of battery packs together, the endurance mileage and the performance are improved, and the mobile power supply needs to splice the plurality of battery packs together quickly so as to improve the output power and the service time. The prior battery pack connection technology has some defects, and mainly focuses on the aspects of quick connection, connection reliability and cooling liquid circulation. The traditional battery pack connection mode often needs to use fasteners such as bolts and nuts, has long connection time, has the problems of looseness, corrosion and the like, and influences the connection reliability. In addition, the conventional connection method is difficult to realize the circulation of the cooling liquid among the plurality of battery packs, and the overheating and the shortened service life of the battery packs are easily caused. Therefore, a novel battery pack connection technology is needed, which can be quickly connected, is reliable in connection, and can realize cooling liquid circulation among a plurality of battery packs at the same time so as to meet the requirements of the battery packs in different application scenes.
Therefore, there is a need to provide a modular and fast-splice lithium battery pack to solve the above-mentioned problems in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a modularization concatenation formula lithium cell group fast, includes the casing, it has the electric core to arrange in the casing, four perpendicular sides of casing are the same in size, be equipped with inlet and drain pipe respectively on two adjacent perpendicular sides of casing, the casing is equipped with two parallel draw-in grooves in the one side of drain pipe, the casing is equipped with two block tongues that can insert the draw-in groove in the one side of inlet.
Further, preferably, the liquid outlet pipe is telescopically connected with the vertical side wall of the shell, the outer wall of the liquid outlet pipe is in threaded connection with a collar, and the collar is rotatably arranged on the vertical side wall of the shell.
Further, preferably, a sector gear piece is fixed above and below the collar, and racks are slidably disposed on the upper side and the lower side of the casing corresponding to one side of the liquid outlet pipe, and the racks are respectively meshed with the gear piece.
Further, as an optimization, through holes are formed in one sides, close to the liquid outlet pipe, of the two clamping grooves, insertion holes are formed in one sides, close to the liquid inlet, of the two clamping tongues, and a slidable plug pin is arranged on one side, close to the through holes, of the shell.
Further, as an preference, one end of the latch, which is far away from the clamping groove, is hinged with a connecting rod, the connecting rod is hinged to the lantern ring, and the two connecting rods corresponding to the two latches are arranged in the lantern ring in a vertically staggered manner.
Further, preferably, two sides of each gear plate are respectively provided with a limiting block, and the limiting blocks can limit the rotation angle of the gear plates.
Further, preferably, a circle of sealing ring is arranged at the edge of the liquid outlet pipe.
Further, as an optimization, each electric core in the shell is sleeved with a battery sleeve, two sides of each battery sleeve are provided with cooling channels, the upper surface and the lower surface of the shell are respectively provided with a liquid outlet layer and a liquid inlet layer, the upper end and the lower end of each cooling channel respectively penetrate through the liquid outlet layer and the liquid inlet layer, the liquid outlet layer is communicated into the liquid outlet pipe through a liquid outlet groove on the vertical side surface of the shell, and the liquid inlet layer is communicated into the liquid inlet through a liquid inlet groove on the vertical side surface of the shell.
The modularized rapid spliced lithium battery pack realizes connection among a plurality of battery packs and circulation of cooling liquid; the advantages are that:
the connection of the multiple battery packs is reliable; the clamping tongue of one battery pack is inserted into the clamping groove of the other battery pack and fixed by the bolt, so that firm and reliable connection among a plurality of battery packs can be ensured.
The cooling liquid flows smoothly; the liquid outlet pipe stretches out and draws back through stirring the rack for the coolant liquid can circulate between a plurality of group batteries, thereby reduces the operating temperature of group battery effectively, improves group battery's life-span and performance.
The operation is simple and convenient; the design of the bolt and the rack makes the splicing and the disassembly of the battery pack simple and convenient, can quickly realize the replacement and the maintenance of the battery pack, and improves the service efficiency and the reliability of the battery pack.
Diversified splicing modes; the battery pack is identical in upper surface and lower surface, so that the battery pack can be connected in an up-down overturning mode, eight different directions of the liquid inlet and the liquid outlet pipe are combined randomly, a diversified splicing mode is realized, different accommodating spaces and mounting requirements are met, the battery pack can be formed into different shapes by selecting different directions, different application scenes and accommodating space requirements are met, and therefore the flexibility and the adaptability of the battery pack are improved.
In summary, the invention realizes the modularized rapid splicing of the battery packs, has the advantages of reliability, smoothness, simplicity, convenience and the like, and is suitable for application scenes requiring the cooperative work of a plurality of battery packs.
Drawings
Fig. 1 is a schematic structural diagram of a modular fast-splice lithium battery pack;
FIG. 2 is a schematic cross-sectional view of the housing;
FIG. 3 is a schematic view of the structure of the housing in longitudinal section;
FIG. 4 is a schematic illustration of coolant flow through a two-row arrangement of a battery;
FIG. 5 is a schematic view of coolant flow through a four-row arrangement of battery packs;
in the figure: 1. a housing; 2. a liquid inlet; 21. a liquid inlet tank; 22. a liquid inlet layer; 3. a liquid outlet pipe; 31. a liquid outlet groove; 32. a liquid outlet layer; 4. a seal ring; 5. a clamping tongue; 6. a clamping groove; 7. a collar; 8. a gear plate; 9. a rack; 10. a plug pin; 11. a connecting rod; 12. a battery case; 13. a cooling channel; 14. and a limiting block.
Detailed Description
Referring to fig. 1-5, in the embodiment of the invention, a modularized rapid spliced lithium battery pack comprises a shell 1, wherein electric cores are arranged in the shell 1, four vertical sides of the shell 1 are identical in size, a liquid inlet 2 and a liquid outlet pipe 3 are respectively arranged on two adjacent vertical sides of the shell 1, two parallel clamping grooves 6 are arranged on one surface of the liquid outlet pipe 3 of the shell 1, and two clamping tongues 5 capable of being inserted into the clamping grooves 6 are arranged on one surface of the liquid inlet 2 of the shell 1.
In this embodiment, the liquid outlet pipe 3 is telescopically connected with the vertical side wall of the housing 1, the outer wall of the liquid outlet pipe 3 is in threaded connection with a collar 7, and the collar 7 is rotatably arranged on the vertical side wall of the housing 1.
In this embodiment, a sector gear piece 8 is fixed above and below the collar 7, and racks 9 are slidably disposed on the upper side and the lower side of the casing 1 corresponding to one side of the liquid outlet pipe 3, and the racks 9 are respectively meshed with the gear piece 8 correspondingly. That is, when one of the racks 9 is shifted, the collar 7 can be rotated, so that the liquid outlet pipe 3 is expanded and contracted to insert the liquid outlet pipe 3 into the liquid inlet 2 of the other battery pack, so that the cooling liquid can circulate in the plurality of battery packs.
In this embodiment, a ring of sealing ring 4 is provided at the edge of the liquid outlet pipe 3. When the liquid outlet pipe 3 is inserted into the liquid inlet 2 of another battery pack, the liquid outlet pipe 3 and the liquid inlet 2 can be sealed through the sealing ring 4, and sliding friction between the liquid outlet pipe 3 and the liquid inlet 2 is reduced.
In this embodiment, two clamping grooves 6 are provided with through holes on one side close to the liquid outlet pipe 3, two clamping tongues 5 are provided with insertion holes on one side close to the liquid inlet 2, and a slidable bolt 10 is provided on one side close to the through holes on the housing 1. When the latch 5 of one battery pack is inserted into the latch 6 of the other battery pack and the through hole is aligned with the jack, the vertical displacement of the two battery pack housings 1 can be limited by inserting the plug 10 into the jack and the through hole, so that the two housings 1 can be spliced together.
In this embodiment, a connecting rod 11 is hinged at one end of the latch 10 away from the clamping groove 6, the connecting rod 11 is hinged to the collar 7, and two connecting rods 11 corresponding to the two latches 10 are staggered up and down in the collar 7. That is, when the collar 7 is rotated to insert the liquid outlet pipe 3 into the liquid inlet 2 of the other battery pack, the two bolts 10 fix the clamping groove 6 and the clamping tongue 5 of the other battery pack together under the action of the connecting rod 11, so as to splice the battery packs together and simultaneously communicate the cooling liquid of the two battery packs.
In this embodiment, two sides of each gear plate 8 are respectively provided with a limiting block 14, and the limiting blocks 14 can limit the rotation angle of the gear plates 8, so as to limit the sliding range of the drain pipe 3 and the plug pin 10.
Referring to fig. 2 and 3, in this embodiment, each cell in the housing 1 is sleeved with a battery sleeve 12, two sides of the battery sleeve 12 are provided with cooling channels 13, the upper and lower surfaces of the housing 1 are respectively provided with a liquid outlet layer 32 and a liquid inlet layer 22, the upper and lower ends of each cooling channel 13 respectively penetrate into the liquid outlet layer 32 and the liquid inlet layer 22, the liquid outlet layer 32 is communicated into the liquid outlet pipe 3 through a liquid outlet groove 31 on the vertical side surface of the housing 1, and the liquid inlet layer 22 is communicated into the liquid inlet 2 through a liquid inlet groove 21 on the vertical side surface of the housing 1. That is, the cooling liquid enters the liquid inlet layer 22 from the liquid inlet 2 through the liquid inlet groove 21, and enters the liquid outlet layer 32 after radiating the electric core through each cooling channel 13, and then flows out of the liquid outlet pipe 3 through the liquid outlet groove 31, and the upper and lower end surfaces of the electric core, the liquid outlet layer 32 and the liquid inlet layer 22 are all spaced apart from each other to connect the circuit.
When the two battery packs are spliced together, the clamping tongue 5 of one battery pack is inserted into the clamping groove 6 of the other battery pack, and when one rack 9 is shifted, the lantern ring 7 can be rotated, so that the liquid outlet pipe 3 stretches out and draws back, the liquid outlet pipe 3 is inserted into the liquid inlet 2 of the other battery pack, so that cooling liquid can flow through the plurality of battery packs, and meanwhile, the clamping groove 6 and the clamping tongue 5 of the other battery pack are fixed together under the action of the connecting rod 11 by the two bolts 10 to splice the battery packs together;
the upper surface and the lower surface of the battery packs are identical, so that the battery packs can be connected in an up-down overturning way, eight different orientations are arranged on the liquid inlet 2 and the liquid outlet 3, and the battery packs can be quickly spliced together by selecting the different orientations, so that the shape formed by the battery packs is suitable for the accommodating space of the battery packs;
referring to fig. 4, in one embodiment, the battery packs can be spliced into two rows;
referring to fig. 5, in one embodiment, the battery packs can be spliced into four rows; similarly, the battery packs can be spliced into any even rows through the arrangement mode;
and, an arbitrary position may be selected as a start point and an end point of the arrangement so that the shape of the battery pack assembly is adapted to the accommodation space thereof.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The modularized rapid spliced lithium battery pack comprises a shell (1), and is characterized in that electric cores are arranged in the shell (1), the sizes of four vertical side walls of the shell (1) are the same, a liquid inlet (2) and a liquid outlet pipe (3) are respectively arranged on two adjacent vertical side walls of the shell (1), two parallel clamping grooves (6) are formed in one surface of the liquid outlet pipe (3) of the shell (1), and two clamping tongues (5) capable of being inserted into the clamping grooves (6) are formed in one surface of the liquid inlet (2) of the shell (1);
the liquid outlet pipe (3) is connected with the vertical side wall of the shell (1) in a telescopic manner, a lantern ring (7) is connected with the outer wall of the liquid outlet pipe (3) in a threaded manner, and the lantern ring (7) is rotatably arranged on the vertical side wall of the shell (1);
a sector gear piece (8) is fixed above and below the lantern ring (7), racks (9) are slidably arranged on the upper side and the lower side of the shell (1) corresponding to one side of the liquid outlet pipe (3), and the racks (9) are respectively meshed with the gear piece (8);
the two clamping grooves (6) are respectively provided with a through hole at one side close to the liquid outlet pipe (3), the two clamping tongues (5) are respectively provided with a jack at one side close to the liquid inlet (2), and a slidable bolt (10) is arranged at one side close to the through holes on the shell (1);
one end of each bolt (10) far away from the corresponding clamping groove (6) is hinged with a connecting rod (11), each connecting rod (11) is hinged to the corresponding sleeve ring (7), and the two connecting rods (11) corresponding to the two bolts (10) are arranged in the corresponding sleeve ring (7) in a staggered mode up and down.
2. The modular rapid splice lithium battery pack according to claim 1, wherein two sides of each gear plate (8) are respectively provided with a limiting block (14), and the limiting blocks (14) can limit the rotation angle of the gear plates (8).
3. The modular fast splice lithium battery pack according to claim 1, wherein the edge of the outlet pipe (3) is provided with a ring of sealing rings (4).
4. The modular rapid splicing type lithium battery pack according to claim 1, wherein each electric core in the shell (1) is sleeved with a battery sleeve (12), two sides of the battery sleeve (12) are provided with cooling channels (13), the upper surface and the lower surface of the shell (1) are respectively provided with a liquid outlet layer (32) and a liquid inlet layer (22), the upper end and the lower end of each cooling channel (13) are respectively communicated with the liquid outlet layer (32) and the liquid inlet layer (22), the liquid outlet layer (32) is communicated with a liquid outlet pipe (3) through a liquid outlet groove (31) of the vertical side wall of the shell (1), and the liquid inlet layer (22) is communicated with a liquid inlet (2) through a liquid inlet groove (21) of the vertical side wall of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310383373.0A CN116093523B (en) | 2023-04-12 | 2023-04-12 | Modularized rapid splicing type lithium battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310383373.0A CN116093523B (en) | 2023-04-12 | 2023-04-12 | Modularized rapid splicing type lithium battery pack |
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| Publication Number | Publication Date |
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| CN116093523A CN116093523A (en) | 2023-05-09 |
| CN116093523B true CN116093523B (en) | 2023-06-20 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116960519B (en) * | 2023-09-21 | 2023-12-01 | 河南锂动电源有限公司 | Modularized spliced lithium battery pack |
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| WO2022214571A1 (en) * | 2021-04-07 | 2022-10-13 | Valeo Systemes Thermiques | Longitudinal plate for a thermal treatment device |
| CN115764066A (en) * | 2022-11-25 | 2023-03-07 | 楚能新能源股份有限公司 | Cylindrical battery liquid cooling module |
| CN115939603A (en) * | 2022-12-13 | 2023-04-07 | 湖北亿纬动力有限公司 | battery pack |
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2023
- 2023-04-12 CN CN202310383373.0A patent/CN116093523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108470869A (en) * | 2018-05-29 | 2018-08-31 | 深圳市统凌科技有限公司 | A kind of combined electrical core support structure |
| CN209843756U (en) * | 2019-07-15 | 2019-12-24 | 四川吉瑞德新能源材料有限公司 | Flame-retardant battery convenient to assemble |
| CN211858736U (en) * | 2020-05-06 | 2020-11-03 | 深圳市海雷新能源有限公司 | Electric automobile power battery pack capable of being quickly recycled and disassembled |
| CN111934053A (en) * | 2020-08-17 | 2020-11-13 | 山东科技大学 | Splicing type battery module for electric automobile and working method thereof |
| WO2022214571A1 (en) * | 2021-04-07 | 2022-10-13 | Valeo Systemes Thermiques | Longitudinal plate for a thermal treatment device |
| CN114006114A (en) * | 2021-12-30 | 2022-02-01 | 深圳市创都科技有限公司 | Assemble combination formula new forms of energy group battery |
| CN115764066A (en) * | 2022-11-25 | 2023-03-07 | 楚能新能源股份有限公司 | Cylindrical battery liquid cooling module |
| CN115939603A (en) * | 2022-12-13 | 2023-04-07 | 湖北亿纬动力有限公司 | battery pack |
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