Flexible efficient soft package battery cell and modular assembly system
By introducing a multi-level mounting mechanism and protective shell design, the protective performance of the soft-pack battery cells has been enhanced, solving the shortcomings of traditional batteries in terms of weight, volumetric energy density and safety, and realizing efficient and safe battery assembly and disassembly.
Patent Information
- Application Number
- CN202520358081.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional hard-shell batteries have limitations in terms of weight and volumetric energy density, while existing soft-pack cells have fragile packaging structures that are easily affected by the external environment, leading to performance degradation or safety hazards.
The design incorporates a bottom protective shell, a top protective shell, and a cover, along with a multi-level locking mechanism between them, enhancing the protection performance of the battery cell. It also features heat dissipation and fixation via thermal pads and rubber pads, and is coated with insulating, fire-retardant, and waterproof coatings.
It improves the resistance of pouch cells to external physical impacts, enhances battery safety and lifespan, reduces production and maintenance difficulty, and facilitates large-scale production and maintenance.
Smart Images
Figure CN223956736U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of soft package battery cell accessory device, in particular to a kind of flexible high-efficiency soft package battery cell and modular assembly system. BACKGROUND
[0002] It is known that with the rapid development of new energy vehicles and portable electronic products, the demand for high-performance, high-energy-density and safe and reliable batteries is increasing. Although the traditional hard-shell battery has good mechanical strength, it has limitations in weight, volume specific energy; while the existing soft package battery cell improves the energy density to a certain extent, but its packaging structure is relatively fragile, easily affected by external environment, leading to performance decline or safety hazard. SUMMARY
[0003] To solve the above technical problems, the utility model provides a protective shell with good protection performance to protect the soft package battery cell, thereby preventing the soft package battery cell from being affected by the external environment, thus improving the performance and reducing the safety hazard of the flexible high-efficiency soft package battery cell and modular assembly system.
[0004] The flexible high-efficiency soft package battery cell and modular assembly system of the utility model, including soft package battery cell, the left end of soft package battery cell is provided with positive electrode welding point and negative electrode welding point, still including bottom protective shell, top protective shell and lid, soft package battery cell is close to the inner end of bottom protective shell, top protective shell is clamped with bottom protective shell by first clamping assembly, the right end of lid is clamped with bottom protective shell and top protective shell by second clamping assembly, the top end of top protective shell is provided with fixed clamping assembly.
[0005] Preferably, the first clamping assembly includes a clamping support frame, the bottom end of the top protective shell is connected with the clamping support frame, and the clamping support frame is clamped with the bottom protective shell.
[0006] Preferably, the second clamping assembly includes a clamping ring, the right end of the lid is connected with the clamping ring, the left end of the top protective shell and the bottom protective shell is respectively provided with a clamping groove, the clamping ring is clamped with the clamping groove, and the left end of the cover plate is provided with two groups of wiring holes.
[0007] Preferably, the fixed clamping assembly includes a clamping rod and a limiting block, the top end of the top protective shell is provided with a first through hole, the bottom end of the bottom protective shell is provided with a clamping through hole, the top end and the bottom end of the clamping ring is respectively provided with a second through hole, the top end of the clamping rod is connected with the limiting block, and the clamping rod passes through the first through hole and the two groups of second through holes and is clamped with the clamping through hole.
[0008] Preferably, it further includes a heat-conducting pad, the bottom end of the soft package battery cell is connected with the heat-conducting pad, the top end of the bottom protective shell is provided with a groove, and the groove is close to the heat-conducting pad.
[0009] Preferably, the top protective shell is connected with six groups of rubber pads.
[0010] Preferably, surfaces of the top protective shell, the bottom protective shell and the cover are coated with an insulating coating, a fire-retardant coating and a waterproof coating.
[0011] Preferably, surfaces of the protective shell, the bottom protective shell and the cover are coated with protective paint.
[0012] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses the design of introducing the bottom protective shell, the top protective shell and the cover and the multistage clamping mechanism among them, the resistance ability of soft package electric core to external physical impact is improved significantly, thereby the safety and service life of the battery are improved, and the modular assembly design allows the assembly and disassembly of the battery unit to be quick and easy, facilitates large-scale production and post-maintenance, reduces production cost and maintenance difficulty, thereby enhancing practicality. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 is the connecting structure schematic view of the utility model;
[0014] Fig. 2 is the top protective shell and rubber pad connecting structure schematic view of the utility model;
[0015] Fig. 3 is the limiting block and clamping rod connecting structure schematic view of the utility model;
[0016] Markings in the drawings: 1, soft package electric core;2, positive electrode welding point;3, negative electrode welding point;4, bottom protective shell;5, top protective shell;6, cover;7, clamping support frame;8, clamping ring;9, clamping rod;10, limiting block;11, heat-conducting pad;12, rubber pad. DETAILED DESCRIPTION
[0017] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but are not used to limit the scope of the utility model.
[0018] As Figs. 1 to 3As shown in the utility model discloses a flexible high -efficient soft package electric core and modular assembly system, including soft package electric core 1, the left end of soft package electric core 1 is provided with positive electrode welding point 2 and negative electrode welding point 3, still including bottom protection shell 4, top protection shell 5 and lid 6, soft package electric core 1 is close to the inner end of bottom protection shell 4, and the top protection shell is clamped with bottom protection shell 4 through first clamping assembly, and the right end of lid 6 is clamped with bottom protection shell 4 and top protection shell 5 through second clamping assembly, and the top end of top protection shell 5 is provided with fixed clamping assembly;The utility model discloses the design of introducing bottom protection shell, top protection shell and lid and the multistage clamping mechanism between them, significantly improve the resistance ability of soft package electric core to external physical impact, thereby improve the security and service life of battery, and the modular assembly design allows the assembly and disassembly of battery unit to be carried out quickly and easily, facilitate large-scale production and post-maintenance, reduce production cost and maintenance difficulty, thereby enhance practicability.
[0019] As a preferred embodiment of the above, the first clamping assembly includes a clamping support frame 7, the bottom end of the top protection shell 5 is connected with the clamping support frame 7, and the clamping support frame 7 is clamped with the bottom protection shell 4. The clamping support frame can be used to clamp the top protection shell with the bottom protection shell, thereby facilitating the assembly of the top protection shell, and thus enhancing the practicability.
[0020] As a preferred embodiment of the above, the second clamping assembly includes a clamping ring 8, the right end of the lid 6 is connected with the clamping ring 8, the left end of the top protection shell 5 and the bottom protection shell 4 is respectively provided with a clamping groove, the clamping ring 8 is clamped with the clamping groove, and the left end of the cover plate is provided with two groups of wiring holes. The clamping ring can be used to clamp the lid with the top protection shell and the bottom protection shell, thereby enhancing the practicability.
[0021] As a preferred embodiment of the above, the fixed clamping assembly includes a clamping rod 9 and a limiting block 10, the top end of the top protection shell 5 is provided with a first through hole, the bottom end of the bottom protection shell 4 is provided with a clamping through hole, the top end and the bottom end of the clamping ring 8 is respectively provided with a second through hole, the top end of the clamping rod 9 is connected with the limiting block 10, and the clamping rod 9 passes through the first through hole and the two groups of second through holes and is clamped with the clamping through hole. The limiting block and the clamping rod can be used to clamp and fix the top protection shell, the lid and the bottom protection shell, thereby performing overall assembly and fixation of the protection shell, and thus enhancing the practicability.
[0022] As a preferred embodiment of the above, it further includes a heat-conducting pad 11, the bottom end of the soft package electric core 1 is connected with the heat-conducting pad 11, the top end of the bottom protection shell 4 is provided with a groove, and the groove is close to the heat-conducting pad 11. The heat-conducting pad can be used to dissipate heat from the bottom of the soft package electric core, thereby improving the service life of the soft package electric core, and thus enhancing the practicability.
[0023] As the preferred embodiment of the above, the six groups of rubber pads 12 are connected with the bottom end of the top protective shell 5; the fixation of the soft package battery cell can be realized through the six groups of rubber pads, thereby enhancing the practicability.
[0024] As the preferred embodiment of the above, the surfaces of the top protective shell 5, the bottom protective shell 4 and the lid 6 are coated with an insulating coating, a fire-retardant coating and a waterproof coating; the introduction of the bottom protective shell, the top protective shell and the lid, as well as the multi-stage clamping mechanism therebetween, significantly improves the resistance of the soft package battery cell to external physical impact, thereby improving the safety and service life of the battery, and the modular assembly design allows the battery unit to be quickly and easily assembled and disassembled, facilitating mass production and post-maintenance, reducing production cost and maintenance difficulty, thereby enhancing the practicability.
[0025] As the preferred embodiment of the above, the surfaces of the protective shell, the bottom protective shell 4 and the lid 6 are coated with protective paint; the coating of protective paint on the protective shell not only increases the durability of the product, but also improves the appearance quality, making it more in line with market requirements for product aesthetics, thereby enhancing the practicability.
[0026] The working principle of the flexible and efficient soft package battery cell and the modular assembly system is that, when assembling the soft package battery cell, the bottom protective shell is placed on the desktop, then the soft package battery cell is placed into the bottom protective shell through the heat-conducting pad aligned with the groove, then the top protective shell is clamped with the bottom protective shell through the clamping support frame, then the lid is clamped with the top protective shell and the bottom protective shell through the clamping ring and the clamping grooves provided on the top protective shell and the bottom protective shell, and finally the overall fixation and clamping of the top protective shell, the bottom protective shell and the lid are realized through the clamping rod, and then the assembly of the next group of equipment can be carried out.
[0027] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0028] In the present application, "first", "second" and "third" do not represent the specific number and order, but are only used for name differentiation.
[0029] The above is only the preferred embodiment of the present application, and it should be noted that for ordinary skilled persons in the technical field, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered within the protection scope of the present application.
Claims
1. A flexible high-efficiency soft-pack battery cell and modular assembly system, comprising a soft-pack battery cell (1), the left end of the soft-pack battery cell (1) is provided with a positive electrode welding point (2) and a negative electrode welding point (3); characterized in that, The soft package battery cell (1) is in close contact with the inner end of the bottom protective shell (4), the top protective shell is clamped with the bottom protective shell (4) through the first clamping assembly, the right end of the cover (6) is clamped with the bottom protective shell (4) and the top protective shell (5) through the second clamping assembly, and the top end of the top protective shell (5) is provided with a fixed clamping assembly.
2. The flexible high-performance pouch cell and modular assembly system of claim 1, wherein, The first clamping assembly comprises a clamping support frame (7), the bottom end of the top protective shell (5) is connected with the clamping support frame (7), and the clamping support frame (7) is clamped with the bottom protective shell (4).
3. The flexible high-energy pouch cell and modular assembly system of claim 2, wherein, The second clamping assembly comprises a clamping ring (8), the right end of the cover (6) is connected with the clamping ring (8), the left end of the top protective shell (5) and the bottom protective shell (4) is respectively provided with a clamping groove, the clamping ring (8) is clamped with the clamping groove, and the left end of the cover plate is provided with two groups of wiring holes.
4. The flexible high-energy soft-pouch battery cell and modular assembly system of claim 3, wherein, The fixed clamping assembly comprises a clamping rod (9) and a limiting block (10), the top end of the top protective shell (5) is provided with a first through hole, the bottom end of the bottom protective shell (4) is provided with a clamping through hole, the top end and the bottom end of the clamping ring (8) are respectively provided with a second through hole, the top end of the clamping rod (9) is connected with the limiting block (10), and the clamping rod (9) passes through the first through hole and the two groups of second through holes and is clamped with the clamping through hole.
5. The flexible high-energy soft-pack battery cell and modular assembly system of claim 4, wherein, The heat-conducting pad (11) is further included, and the bottom end of the soft package battery cell (1) is connected with the heat-conducting pad (11).
6. The flexible high-energy soft-pouch battery cell and modular assembly system of claim 5, wherein, The bottom end of the top protective shell (5) is connected with six groups of rubber pads (12).
7. The flexible high-energy soft-pouch battery cell and modular assembly system of claim 6, wherein, The surfaces of the top protective shell (5), the bottom protective shell (4) and the cover (6) are coated with an insulating coating, a fire-retardant coating and a waterproof coating.
8. The flexible high-energy soft-pouch battery cell and modular assembly system of claim 7, wherein, The surfaces of the protective shell, the bottom protective shell (4) and the cover (6) are coated with protective paint.