Layered isolation type explosion-proof new energy battery pack

Abstract

The utility model discloses a layered isolation type explosion -proof new energy battery group, including frame structure and isolation mechanism, the isolation mechanism equidistance is arranged in the inner chamber of frame structure. The isolation mechanism mainly includes I -shaped reinforcing part, both sides of the vertical surface of I -shaped reinforcing part all are fixed with guide cylinder, the inner chamber of guide cylinder is inserted with telescopic stick, one end of telescopic stick away from guide cylinder is fixedly connected with clamping plate, and the outer ring of telescopic stick is equipped with buffer spring. Through the design and use of frame structure and isolation mechanism, once the battery group occurs the trouble and accident of bulging or bursting, can transform the impact force or extrusion force into friction and the elastic potential energy of buffer spring, thereby can effectively reduce the influence of the adjacent battery, improved the explosion -proof performance and security of new energy battery group whole.

Description

Technical Field

[0001] This utility model relates to the field of battery pack technology, specifically a layered isolation type explosion-proof new energy battery pack. Background Technology

[0002] Currently, with the continuous popularization of new energy vehicles and the continuous advancement of technology, new energy vehicles are gradually becoming more mainstream. As an important component of new energy vehicles, battery packs not only need to be designed and developed in terms of energy storage, but the safety of new energy battery packs is also a current hot topic of concern.

[0003] Although new energy battery packs come in various models and types, in actual use, they are still neatly packaged, encapsulating various small battery structures into a single large battery pack structure. When the battery pack is supplying power, it generates a lot of heat. Both the frame structure encapsulating the batteries and the battery structure itself undergo thermal expansion and contraction when generating a large amount of heat. Interaction forces also occur between the battery packs. In the event of an accident, such as an explosion, a large impact force will be generated inside the encapsulation structure, affecting the cells. To reduce this impact, various buffers or other protective materials are often filled during the battery pack encapsulation process. While this achieves some functions, it also increases the difficulty of heat exchange within the battery pack.

[0004] Therefore, we propose a layered isolation type explosion-proof new energy battery pack to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a layered, isolated, explosion-proof new energy battery pack to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A layered, explosion-proof new energy battery pack includes a frame structure and an isolation mechanism, wherein the isolation mechanism is equally spaced within the inner cavity of the frame structure.

[0008] The isolation mechanism mainly includes an I-shaped reinforcement member. Guide cylinders are fixedly welded to both sides of the vertical surface of the I-shaped reinforcement member. A telescopic rod is inserted into the inner cavity of the guide cylinder. A clamping plate is fixedly connected to the end of the telescopic rod away from the guide cylinder. A buffer spring is fitted on the outer ring of the telescopic rod.

[0009] Preferably, a battery structure is installed in the inner cavity of the frame structure, and the battery structure is located on both sides of the isolation mechanism.

[0010] Preferably, the bottom of the I-shaped reinforcement is embedded in the bottom of the inner wall of the frame structure, and the upper edge of the bottom plate of the I-shaped reinforcement is on the same horizontal plane as the bottom of the inner wall of the frame structure.

[0011] Preferably, the two ends of the buffer spring abut against the side of the clamping plate and the end of the guide cylinder, respectively.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This layered, isolated explosion-proof new energy battery pack, through the design and use of its frame structure and isolation mechanism, can convert the impact or extrusion force into friction and the elastic potential energy of the buffer spring in the event of a bulging or bursting failure. This effectively reduces the impact on adjacent battery packs and improves the overall explosion-proof performance and safety of the new energy battery pack. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the isolation mechanism of this utility model;

[0016] Figure 3 This is an exploded view of the isolation mechanism of this utility model.

[0017] In the diagram: 1. Frame structure 1; 2. Isolation mechanism; 21. I-beam reinforcement; 22. Guide cylinder; 23. Telescopic rod; 24. Clamping plate; 25. Buffer spring. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] See Figure 1-3 This utility model provides a layered isolation type explosion-proof new energy battery pack technical solution:

[0020] Example:

[0021] The battery pack mainly includes a frame structure 1 for encapsulating the battery pack, and an isolation mechanism 2 is provided at intervals in the inner cavity of the frame structure 1.

[0022] The isolation mechanism 2 mainly includes an I-shaped reinforcement 21. Guide cylinders 22 are fixedly welded on both sides of the vertical plane of the I-shaped reinforcement 21. A telescopic rod 23 is inserted through the inner cavity of the guide cylinder 22. A clamping plate 24 is fixedly installed at the end of the telescopic rod 23 away from the guide cylinder 22. A buffer spring 25 is fitted on the outer ring of the telescopic rod 23.

[0023] Battery structures are installed and fixed on both sides of the isolation mechanism 2.

[0024] The bottom of the I-shaped reinforcement 21 is embedded in the bottom of the inner wall of the frame structure 1, and the upper edge of the bottom of the I-shaped reinforcement 21 is on the same plane as the bottom of the inner wall of the frame structure 1.

[0025] The two ends of the buffer spring 25 abut against the side of the clamping plate 24 and the end of the guide cylinder 22, respectively.

[0026] In order to increase the friction between the clamping plate 24 and the battery, several protrusions can be provided on the surface of the clamping plate 24. In order to increase the heat exchange inside the battery pack, several holes can also be made on the surface of the clamping plate 24.

[0027] In this embodiment, the first step is the battery installation process, where the battery is directly installed into the frame structure 1 and separated by the isolation mechanism 2.

[0028] This technical solution is mainly aimed at situations where the battery pack fails. Once the battery pack fails and bulges or bursts, the impact between the batteries can be initially reduced because each battery is separated by the isolation mechanism 2.

[0029] Secondly, when a battery bulges or bursts, a force is applied to the side of the battery. Both the impact force of the burst and the squeezing force of the bulge will exist. The impact force or squeezing force will be applied to the clamping plate 24. The clamping plate 24, under the force, will squeeze the buffer spring 25 and the telescopic rod 23, thereby causing the clamping plate 24 to retract into the I-shaped reinforcement 21. To a certain extent, this can play a role in buffering and relieving force, converting the impact force or squeezing force into friction and the potential energy of the buffer spring 25, thereby further reducing the impact of battery bulging or bursting on other batteries and improving the safety of new energy battery packs.

[0030] In this technical solution, through the design and use of the frame structure 1 and the isolation mechanism 2, once the battery pack bulges or explodes, the resulting impact or squeezing force can be converted into friction and the elastic potential energy of the buffer spring 25, thereby effectively reducing the impact on adjacent battery packs and improving the overall explosion-proof performance and safety of the new energy battery pack.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A layered, isolated, explosion-proof new energy battery pack, comprising a frame structure (1) and an isolation mechanism (2), characterized in that: The isolation mechanism (2) is evenly spaced within the cavity of the frame structure (1); The isolation mechanism (2) mainly includes an I-shaped reinforcement (21). Guide cylinders (22) are fixedly welded to both sides of the vertical plane of the I-shaped reinforcement (21). A telescopic rod (23) is inserted into the inner cavity of the guide cylinder (22). A clamping plate (24) is fixedly connected to one end of the telescopic rod (23) away from the guide cylinder (22). A buffer spring (25) is fitted on the outer ring of the telescopic rod (23).

2. The layered isolation explosion-proof new energy battery pack according to claim 1, characterized in that: A battery structure is installed in the inner cavity of the frame structure (1), and the battery structure is located on both sides of the isolation mechanism (2).

3. The layered isolation explosion-proof new energy battery pack according to claim 1, characterized in that: The bottom of the I-shaped reinforcement (21) is embedded in the bottom of the inner wall of the frame structure (1), and the upper edge of the bottom plate of the I-shaped reinforcement (21) is on the same horizontal plane as the bottom of the inner wall of the frame structure (1).

4. The layered isolation explosion-proof new energy battery pack according to claim 1, characterized in that: The two ends of the buffer spring (25) abut against the side of the clamping plate (24) and the end of the guide cylinder (22), respectively.

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