CTP battery pack convenient to disassemble

By adopting a design with a transparent frame at the top and bottom and a removable base plate in the CTP battery pack, combined with reinforcements and cooling plates in the slots, the problem of difficult cell disassembly and maintenance is solved, and convenient disassembly and efficient maintenance of the battery pack are achieved.

CN224053263UActive Publication Date: 2026-03-27CHUZHOU GUOXUAN NEW ENERGY POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The disassembly and repair of cells in existing CTP battery packs is difficult, which affects battery repair efficiency.

Method used

It adopts a frame structure that is open at the top and bottom, and a removable bottom plate design. The reinforcement and cooling plate in the slot are fixed with FDS nails. The bottom plate is connected to the frame with bolts and filled with glue to achieve sealing and waterproofing. The battery cells are fixed to the cooling plate with thermally conductive structural adhesive, and the battery cells are bonded together with double-sided adhesive.

Benefits of technology

It enables convenient disassembly of the battery cells inside the battery pack, avoids interference from the frame, improves maintenance efficiency, and ensures the sealing and waterproofing of the battery pack.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224053263U_ABST
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Abstract

The utility model provides a CTP battery pack convenient to disassemble, which relates to the technical field of batteries and comprises a vertically through frame body, a bottom plate for bearing battery cells is detachably mounted at the bottom of the frame body, and a plurality of battery cells are placed in the frame body; when the battery disclosed by the utility model is mounted on a vehicle, the battery can be conveniently maintained by disassembling the bottom plate, and when the battery cells in the battery pack are disassembled, the interference of the frame body can be avoided, so that the adhered colloid can be conveniently treated by personnel, and the efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery, especially a CTP battery pack convenient to disassemble. BACKGROUND

[0002] With the development of new energy vehicles, the high integration of new energy batteries has become a trend, and more and more batteries use high-integration CTP battery solutions at the present stage, which have a large number of battery cells fixed in the box by colloid, when the battery cells fail or are damaged, the battery needs to be removed from the vehicle, and the upper cover plate of the battery needs to be removed to see the battery cells, which makes the disassembly of the battery cells difficult and affects the maintenance efficiency of the battery. SUMMARY

[0003] The utility model solves the technical problem of providing a CTP battery pack convenient to disassemble to solve the problem of inconvenient disassembly and maintenance of the battery cells inside the battery.

[0004] Based on the technical problems in the background art, the utility model provides a CTP battery pack convenient to disassemble, which comprises a frame body that is permeable from top to bottom, a bottom plate for bearing battery cells is detachably mounted at the bottom of the frame body, a plurality of battery cells are placed inside the frame body, and the bottom plate is used to seal the bottom of the frame body and make the bottom of the battery detachable, so that the battery cells can be repaired by disassembling the bottom plate when they are damaged.

[0005] Preferably, a recessed slot is arranged below the frame body, a reinforcing member and a cooling plate are sequentially mounted in the slot, the reinforcing member and the cooling plate are fixed in the slot by the same FDS nail, the slot is used for mounting the reinforcing member and the cooling plate, and the bottom of the frame body can be kept flat to facilitate the mounting and connection of the bottom plate.

[0006] Preferably, the lower surface of the cooling plate is in the same plane as the lower surface of the frame body, and when the bottom plate is installed, the gravity of the battery cells is borne by the bottom plate and does not damage the cooling plate.

[0007] Preferably, the bottom plate seals the entire lower part of the frame body, and the bottom plate is located below the cooling plate, so the bottom plate needs to be installed at the outermost periphery to protect the components inside the frame body.

[0008] Preferably, the bottom plate and the frame body are filled with colloid, and the colloid filled between the bottom plate and the frame body is used to improve the sealing effect and make the entire battery pack waterproof.

[0009] Preferably, the bottom plate and the frame body are connected by bolts, the bottom plate and the frame body are connected by detachable bolts, and the bottom plate can be conveniently disassembled.

[0010] Preferably, the cooling plate is pasted with a heat-conducting structural adhesive for adhering the battery cells, which can facilitate heat conduction between the battery cells and the cooling plate, and facilitate fixing the battery cells on the cooling plate.

[0011] Preferably, the adjacent battery cells are adhered by double-sided adhesive tape, which can improve the stability between the battery cells.

[0012] Compared with the prior art, the CTP battery pack convenient to disassemble adopts the technical scheme, and the following technical effects are achieved.

[0013] When the battery is mounted to a vehicle, the bottom plate can be conveniently disassembled for maintenance, and when the battery cells in the battery pack are disassembled, the frame body can be avoided to interfere, the staff can conveniently process the pasted adhesive, and the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a frame body and battery cell structure schematic view of the utility model;

[0015] Figure 2 It is a frame body separation structure schematic view of the utility model;

[0016] Figure 3 It is a bottom plate and frame body installation structure schematic view of the utility model;

[0017] Figure 4 It is a battery cell structure schematic view of the utility model.

[0018] In the drawing: 1, frame body;2, battery cell;3, bottom plate;11, slot;4, reinforcing part;5, cooling plate;6, FDS nail;7, heat-conducting structural adhesive;8, double-sided adhesive tape;9, bolt. DETAILED DESCRIPTION

[0019] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "fixing" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements of two elements, unless another definite limitation.It is understood that the above-mentioned terms in the utility model have specific meaning according to specific circumstances for ordinary skilled in the art.

[0020] In the utility model, unless another definite provision and limitation, first feature is on second feature " on " or " below " first and second feature can be direct contact, or first and second feature is indirectly contacted through intermediate medium. Moreover, first feature is " above " second feature, " above " and " above " can be first feature is directly above or obliquely above second feature, or just indicate that first feature is higher than second feature in horizontal height.

[0021] Embodiments

[0022] Please refer to Figures 1-4 The utility model provides a CTP battery pack of convenient dismounting, including the frame body 1 of up and down penetrations, the bottom plate 3 of bearing electric core 2 is detachably installed to the bottom of frame body 1, when the bottom plate 3 is installed, the bottom plate 3 can provide the supporting effect for the bottom of frame body 1, and multiple electric cores 2 can be placed in the whole frame body 1, when the battery is installed, when electric core 2 needs to be maintained and dismounted, electric core 2 can be maintained by dismounting bottom plate 3.

[0023] In specific embodiments, refer to Figure 2 、 Figure 3 The recessed slot 11 is arranged below the frame body 1, the reinforcing member 4 is installed from below to above in the slot 11, and then the cooling plate 5 is installed from below to above, the reinforcing member 4 and the cooling plate 5 are located in the slot 11, the FDS nail 6 penetrates the cooling plate 5 and the reinforcing member 4 and is connected with the frame body 1, that is, one FDS nail 6 can penetrate the reinforcing member 4 and the cooling plate 5, after the reinforcing member 4 and the cooling plate 5 are fixed, the lower part of the whole frame is in a flat state, which can improve the flatness of the bottom of the battery and facilitate the installation of the bottom plate 3.

[0024] In specific embodiments, refer to Figure 2 、 Figure 3 The bottom plate 3 seals the lower part of the whole frame body 1, and the bottom plate 3 is located below the cooling plate 5, after the cooling plate 5 is installed, the bottom plate 3 can seal the bottom of the frame body 1, form a complete battery pack, and protect the electric core 2 in the frame body 1 and the cooling plate 5, and bear the bearing effect.

[0025] In specific embodiments, refer to Figure 2 The bottom plate 3 and the frame body 1 are filled with glue, the glue filled between the bottom plate 3 and the frame body 1 is used to seal the gap between the two, the glue needs to have waterproof property to avoid that the battery pack cannot protect the electric core 2 in the frame body 1 after installation.

[0026] In specific embodiments, refer to Figure 3The bottom plate 3 is connected with the frame 1 through the bolt 9, the mounting bolt 9 of the bottom plate 3 is not in the same plane with the FDS nail 6, and the bottom plate 3 needs to wrap the FDS nail 6 in the slot position 11.

[0027] In specific embodiments, referring to Figure 2 The heat-conducting structural adhesive 7 is pasted on the cooling plate 5, the battery cell 2 is fixed on the cooling plate 5, and the heat-conducting effect is considered, so the heat-conducting structural adhesive 7 is used to meet the two requirements, the battery cell 2 can be fixed on the cooling plate 5, and the heat-conducting effect between the battery cell 2 and the cooling plate 5 is achieved.

[0028] In specific embodiments, referring to Figure 4 The battery cells 2 are adhered through the double-sided adhesive 8 between adjacent battery cells 2, the volume of the battery cells 2 is increased through adhesion, and the stability of the battery cells 2 in the frame 1 is enhanced.

[0029] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A CTP battery pack for easy disassembly, characterized by, Including frame (1) that goes up and down penetrates, bottom detachable mounting of the frame (1) bottom plate (3) that bears electric core (2), frame (1) inside place multiple electric core (2);The frame (1) below is provided with recessed slot (11), slot (11) inside installation reinforcing member (4) and cooling plate (5) in turn, reinforcing member (4) and cooling plate (5) are fixed in slot (11) through same FDS nail (6);The cooling plate (5) top pastes the heat conduction structure glue (7) that sticks electric core (2).

2. The CTP battery pack of claim 1, wherein, The lower surface of the cooling plate (5) is in the same plane as the lower surface of the frame (1).

3. The CTP battery pack of claim 1, wherein, The bottom plate (3) seals the lower part of the entire frame (1), and the bottom plate (3) is located below the cooling plate (5).

4. The CTP battery pack of claim 1, wherein, The bottom plate (3) and the frame (1) are filled with a gel.

5. The CTP battery pack of claim 1, wherein, The bottom plate (3) and the frame (1) are connected by bolts (9).

6. The CTP battery pack of claim 1, wherein, The adjacent electric cores (2) are adhered by double-sided tape (8).