CN213752879U - Standard module of flexible package battery - Google Patents
Standard module of flexible package battery Download PDFInfo
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- CN213752879U CN213752879U CN202022679536.4U CN202022679536U CN213752879U CN 213752879 U CN213752879 U CN 213752879U CN 202022679536 U CN202022679536 U CN 202022679536U CN 213752879 U CN213752879 U CN 213752879U
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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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Abstract
The utility model relates to a soft-packing battery standard module, including the main casing body and rigid coupling in the left and right fixed end cover at its both ends, characterized by: the main casing body embeds has the battery package that constitutes by a plurality of battery cell series connection, and the anodal ear of a battery cell is as an organic whole rather than the negative pole ear rigid coupling of another adjacent battery cell, and the series connection constitutes the battery package in proper order, main casing body surface is equipped with a plurality of injecting glue aperture, and it is fixed with main casing body to glue through injecting glue aperture injection structure. Has the advantages that: the utility model has the advantages of compact structure, easily equipment, light in weight, encapsulation are effectual, can satisfy the voltage demand of the last stand-by battery of little, medium-sized unmanned aerial vehicle.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery group, especially, relate to a soft-packing battery standard module.
Background
The design of the battery module for the electric automobile is mature day by day. The packaging forms of the single batteries forming the battery module are diversified, and include cylindrical batteries packaged by a steel shell, square batteries packaged by an aluminum shell, soft-package batteries packaged by an aluminum-plastic packaging bag and the like. Several types of batteries are particularly advantageous in terms of the weight ratio of the pouch battery to energy, but the pouch battery module design is often more complicated than that of a cylindrical battery and a square battery, particularly in terms of the electrical connection design and the packaging and fixing design.
The battery for the electric automobile is higher in required energy, the battery capacity is great, and the battery module adopts a string many batteries and many or many strings many batteries to constitute usually, and many parallelly connected electricity of battery are connected with sufficient operating space, can adopt and pass the copper bar with battery utmost point ear, buckle battery utmost point ear, accomplish the electricity connection combination with utmost point ear laser welding on the copper bar. But the voltage demand of the backup battery applied to small and medium unmanned aerial vehicles is higher, the battery capacity requirement is lower than that of batteries for electric vehicles, and only a series connection mode can be adopted. Patent document with publication number CN201620788019.1 discloses a flexible package lithium ion battery module, belonging to the technical field of lithium ion batteries. The flexible package lithium ion battery solves the problems of complex process, difficult disassembly and the like of the existing flexible package lithium ion battery. This soft package lithium ion battery module includes soft package lithium ion battery and shell, soft package lithium ion battery's number is 2 and installs side by side in the shell, the fixed insulation board that is provided with between two soft package lithium ion battery, fixed mounting has the support on the top surface of shell, the left and right sides of support top surface all has utmost point ear pad, the bar through-hole has all been seted up to the both sides of utmost point ear pad, soft package lithium ion battery's top surface both sides all have utmost point ear, the round hole has been seted up on the utmost point ear, utmost point ear passes the bar through-hole, and utmost point ear bends and hugs closely on utmost point ear pad, fixed mounting has the bolt on the utmost point ear, the bolt passes the round hole on the utmost point ear and locks through insulating nut, support top fixed mounting has the support lid. Patent document No. CN204614880U discloses a power soft package lithium ion battery module. This power flexible package lithium ion battery module includes: the system comprises N module expansion frames, a cell current-limiting balancer, a soft-packaged lithium ion cell, a three-side tab connecting strip, positive and negative pole wiring terminals, a module cover and a fixed connecting piece; wherein N is a positive integer; the N module expansion frames, the module cover and the fixed connecting piece form a shell of the power flexible package lithium ion battery module; the positive and negative electrode wiring terminals are arranged at the positive and negative electrode lug output ends of the power flexible package lithium ion battery module; the pole ear of the soft package lithium ion battery cell is connected with the three-side pole ear connecting strip, and the current limiting balancer of the battery cell is arranged on the three-side pole ear connecting strip; therefore, the quick grouping of the power lithium ion batteries is realized. The weight ratio energy of the flexible package lithium ion battery module in the prior art can not meet the voltage requirement of the standby battery on small and medium-sized unmanned aerial vehicles,
along with the market demand, a lightweight battery standard module formed by connecting a plurality of soft package batteries in series is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome not enough among the prior art, provide a soft-packing battery standard module, realized the lightweight of the battery standard module that many soft-packing batteries establish ties and constitute, gravimetric ratio energy has more the advantage.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme, a flexible package battery standard module, including the main casing body and rigid coupling in the left and right fixed end cover at its both ends, characterized by: the main casing body embeds has the battery package that constitutes by a plurality of battery cell series connection, and the anodal ear of a battery cell is as an organic whole rather than the negative pole ear rigid coupling of another adjacent battery cell, and the series connection constitutes the battery package in proper order, main casing body surface is equipped with a plurality of injecting glue aperture, and it is fixed with main casing body to glue through injecting glue aperture injection structure.
The tab of the series single battery of the battery pack is bent at the front edge of the tab of the single battery by adopting a hook-shaped wrapping structure.
The glue injection small holes are arranged corresponding to the gaps of every two single batteries, every row of glue injection small holes are transversely and uniformly distributed along the main shell, the diameter of the glue injection small holes is phi 2mm, and the glue injection small holes are arranged along the longitudinal direction of the main shell and correspond to the gaps of every two series-connected single batteries of the battery pack.
The glue injection small hole is formed in the lower surface of the main shell.
The main casing body both ends are equipped with output insulation end cover and the insulation end cover of establishing ties respectively, main casing body both ends are equipped with the counter bore of installation countersunk screw for fixed output insulation end cover and the insulation end cover of establishing ties.
The output insulation end cover and the series insulation end cover are formed by ABS processing, copper nuts are embedded, the output insulation end cover and the series insulation end cover are installed on the main shell through countersunk screws, positive and negative lead output holes are formed in the output insulation end cover, and signal line output holes are formed in the series insulation end cover.
The fixing end cover is provided with a mounting through hole which can be used for fixing the battery module and the case.
Has the advantages that: compared with the prior art, the utility model has the advantages of compact structure, easily equipment, light in weight, encapsulation effect are good, can satisfy the voltage demand of reserve battery on little, the medium-sized unmanned aerial vehicle.
Drawings
FIG. 1 is a schematic view of an axial side assembly structure of the present invention;
FIG. 2 is a schematic view of the external configuration of the main housing of FIG. 1;
fig. 3 is a schematic diagram of a tab hook-shaped wrapping structure after the unit batteries are connected in series.
In the figure: 1. the device comprises a left fixed end cover, a right fixed end cover, an output insulating end cover, a main shell, a single battery, a series insulating end cover, a signal wire protecting cover, a right fixed end cover, a signal wire protecting cover, a right fixed end cover, a signal wire protecting cover, a right fixed end cover, an ultrasonic welding position, a glue injection small hole, a counter bore, a mounting through hole, a positive electrode wire output hole, a negative electrode wire output hole, a signal wire output hole, a single battery output hole, a glue injection small hole, a signal wire, a mounting through hole, a positive electrode wire output hole, a negative electrode wire output hole, a signal wire output hole, a positive electrode tab and a negative electrode wire output hole, 14 and 15.
Detailed Description
The following detailed description of the embodiments according to the present invention with reference to the preferred embodiments is as follows: the attached drawings are seen in detail, the embodiment provides a flexible package battery standard module, including main casing body 3 and left and right fixed end covers 1, 8 of rigid coupling in its both ends, the main casing body embeds there is the battery package that constitutes by establishing ties of a plurality of battery cell 4, and the anodal ear of a battery cell is as an organic whole rather than the negative pole ear rigid coupling of another adjacent battery cell, establishes ties in proper order and constitutes the battery package, main casing body surface is equipped with a plurality of injecting glue aperture 10, and it is fixed with the main casing body to glue through injecting glue aperture injection structure. The two ends of the main shell are respectively provided with an output insulating end cover and a series insulating end cover, and the two ends of the main shell are provided with counter bores 11 for installing counter screws for fixing the output insulating end cover 2 and the series insulating end cover 5. The left and right fixed end covers are connected with the main shell through laser welding. The fixing end cover is provided with a mounting through hole 12 which can be used for fixing the battery module and the case.
The preferred scheme of the utility model is, the utmost point ear 15 of the series connection battery cell of battery package adopts hook-shaped package to fold the structure and bends at battery cell utmost point ear forward position, its ultrasonic bonding position 9.
The utility model discloses an optimal scheme is, the injecting glue aperture corresponds the gap department setting of per two battery cells, and every row of injecting glue aperture is phi 2mm along the horizontal equipartition of the main casing body, diameter, and the injecting glue aperture is along the vertical every two series connection battery cell gap departments setting that correspond the battery package of the main casing body. The glue injection small hole is formed in the lower surface of the main shell. The number of the glue injection holes is determined according to the width of the main shell.
The utility model discloses an optimal scheme is, output insulation end cover and series connection insulation end cover adopt ABS machine-shaping, inlay the copper nut, through countersunk screw installation on the main casing body, output insulation end cover is opened there is positive negative pole wire delivery outlet 13, and series connection insulation end cover is opened there is signal line delivery outlet 14.
The utility model discloses a preferred scheme is, draws forth signal conductor 6 at series connection insulating end cover 5, and the rigid coupling has signal line protective cover 7 on the signal conductor of series connection insulating end cover.
The utility model is characterized in that:
the positive lug material of soft-packing battery cell is aluminium, and the negative pole ear material is copper nickel plating, and the positive lug of a battery cell and the negative pole ear of another battery cell pass through metal ultrasonic welding machine welding as an organic whole, realize the series connection of battery, and the utmost point ear after the battery series connection adopts hook-shaped package overlapping structure to bend at battery cell utmost point ear forward position.
The main shell of the battery module is made of 1mm aluminum alloy, glue injection small holes are formed in the large surface of the bottom of the main shell corresponding to the gaps of the two soft-package single batteries, and after the batteries are packaged in the main shell, structural glue can be injected through the glue injection small holes to fix the battery pack and the main shell; the two ends of the main shell are provided with counter bores for mounting countersunk screws, and the counter bores are used for mounting an output insulating end cover and a series insulating end cover.
Taking 100Ah battery pack as an example, the standard battery module is formed by combining 8 strings of 8 100Ah flexibly-packaged single batteries.
The assembling process comprises the following steps: the method comprises the steps of bonding a 1 st single battery and a 2 nd single battery together, ultrasonically welding the positive electrode of the 1 st single battery and the negative electrode of the 2 nd single battery, insulating a lug, bonding a 3 rd single battery, ultrasonically welding the negative electrode of the 3 rd single battery and the positive electrode of the 2 nd single battery, and sequentially welding a 4 th single battery to a 8 th single battery. And (3) tin-welding the combined battery with the positive and negative output leads and the signal lead 6, installing output insulation end covers and series insulation end covers at two ends of the main shell, installing fixed end covers, and welding the main shell and the fixed end covers together by laser welding.
The utility model relates to a lightweight flexible package battery standard module, corresponding adjustment can be done according to actual need to battery series connection quantity, all are suitable for flexible package battery cell series module.
The above detailed description of the standard module for flexibly packaged batteries with reference to the embodiments is illustrative and not restrictive, and several embodiments can be enumerated according to the limited scope, so that changes and modifications without departing from the general concept of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a soft-packing battery standard module, includes main casing body and rigid coupling in the left and right fixed end cover at its both ends, characterized by: the main casing body embeds has the battery package that constitutes by a plurality of battery cell series connection, and the anodal ear of a battery cell is as an organic whole rather than the negative pole ear rigid coupling of another adjacent battery cell, and the series connection constitutes the battery package in proper order, main casing body surface is equipped with a plurality of injecting glue aperture, and it is fixed with main casing body to glue through injecting glue aperture injection structure.
2. The standard module for flexibly packaged batteries according to claim 1, wherein: the tab of the series single battery of the battery pack is bent at the front edge of the tab of the single battery by adopting a hook-shaped wrapping structure.
3. The standard module for flexibly packaged batteries according to claim 1, wherein: the glue injection small holes are arranged corresponding to the gaps of every two single batteries, every row of glue injection small holes are transversely and uniformly distributed along the main shell, the diameter of the glue injection small holes is phi 2mm, and the glue injection small holes are arranged along the longitudinal direction of the main shell and correspond to the gaps of every two series-connected single batteries of the battery pack.
4. The standard module for flexibly packaged batteries according to claim 1 or 3, wherein: the glue injection small hole is formed in the upper surface and the lower surface of the main shell.
5. The standard module for flexibly packaged batteries according to claim 1, wherein: the main casing body both ends are equipped with output insulation end cover and the insulation end cover of establishing ties respectively, main casing body both ends are equipped with the counter bore of installation countersunk screw for fixed output insulation end cover and the insulation end cover of establishing ties.
6. The standard module for flexibly packaged batteries according to claim 5, wherein: the output insulation end cover and the series insulation end cover are formed by ABS processing, copper nuts are embedded, the output insulation end cover and the series insulation end cover are installed on the main shell through countersunk screws, positive and negative lead output holes are formed in the output insulation end cover, and signal line output holes are formed in the series insulation end cover.
7. The standard module for flexibly packaged batteries according to claim 1, wherein: the fixing end cover is provided with a mounting through hole which can be used for fixing the battery module and the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022679536.4U CN213752879U (en) | 2020-11-18 | 2020-11-18 | Standard module of flexible package battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022679536.4U CN213752879U (en) | 2020-11-18 | 2020-11-18 | Standard module of flexible package battery |
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| CN213752879U true CN213752879U (en) | 2021-07-20 |
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| CN202022679536.4U Active CN213752879U (en) | 2020-11-18 | 2020-11-18 | Standard module of flexible package battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976437A (en) * | 2022-05-21 | 2022-08-30 | 西北工业大学 | Underwater vehicle battery compartment integrating bearing, heat dissipation and energy supply |
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2020
- 2020-11-18 CN CN202022679536.4U patent/CN213752879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976437A (en) * | 2022-05-21 | 2022-08-30 | 西北工业大学 | Underwater vehicle battery compartment integrating bearing, heat dissipation and energy supply |
| CN114976437B (en) * | 2022-05-21 | 2024-03-01 | 西北工业大学 | Underwater vehicle battery compartment integrating bearing, heat dissipation and energy supply |
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Address after: No. 4-6, Lanyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin 300384 Patentee after: Tianjin Lantian Special Power Technology Co.,Ltd. Address before: No.38, South Haitai Road, Binhai high tech Industrial Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN LISHEN SPECIAL POWER TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address |