Explosion-proof battery cell structure convenient to disassemble

Abstract

The utility model discloses an explosion-proof battery cell structure convenient to disassemble, the battery cell structure is arranged in a battery compartment of a battery, the battery cell structure comprises an upper cover, a frame body and a lower cover, the upper cover and the lower cover are arranged on two opposite sides of the frame body, the upper cover is detachably connected with the compartment wall of the battery compartment, and the lower cover is detachably connected with the compartment wall of the battery compartment. An electrode assembly is arranged in an inner cavity defined by the upper cover, the frame body and the lower cover, a protection plate is arranged at the electrode end of the electrode assembly, and a first insulating part and a second insulating part are arranged at the two opposite ends of the protection plate respectively. The explosion-proof battery cell structure convenient to disassemble disclosed by the utility model has extremely high safety performance, meanwhile, the structural stability of a battery is enhanced, and the service life of the battery is prolonged; and meanwhile, the detachability is very simple, and the battery can be detached through a common tool, so that the circulation of the battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery technical field especially relates to a kind of anti-explosion battery structure convenient to disassemble. BACKGROUND

[0002] With the wide application of electronic equipment, the performance and safety of battery are required more and more highly, on the one hand, it needs to meet the detachable requirements, on the other hand, steel shell battery needs to have good mechanical strength, stability and high safety, and the current steel shell battery is difficult to consider the above two requirements. SUMMARY

[0003] The utility model discloses a kind of anti-explosion battery structure convenient to disassemble to solve the above technical problem.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of anti-explosion battery structure convenient to disassemble, the battery structure is located in the battery compartment of the battery, the battery structure includes upper cover, frame and lower cover, the upper cover and the lower cover are located on the opposite sides of the frame, the upper cover and the battery compartment wall are detachably connected, the inner cavity enclosed by the upper cover, the frame and the lower cover is equipped with electrode assembly, the electrode end of the electrode assembly is equipped with protection plate, and the opposite ends of the protection plate are equipped with first insulating piece and second insulating piece respectively.

[0006] Further, the upper cover includes upper cover main body and connecting piece on the upper cover main body, and the upper cover is connected with the battery compartment by the connecting piece.

[0007] Further, screw holes are formed on the connecting piece, and the upper cover is screw-connected with the battery compartment by the screw holes.

[0008] Further, the connecting piece includes first connecting part and second connecting part, the first connecting part extends towards the lower cover, the second connecting part is connected with the upper cover main body by the first connecting part, and the screw hole is formed on the second connecting part.

[0009] Further, the connecting piece further includes third connecting part, one end of the third connecting part and the second connecting part is connected away from the first connecting part, the third connecting part is opposite to the first connecting part, and the first connecting part, the second connecting part and the third connecting part form connecting hook claw.

[0010] Further, the first insulating piece and the second insulating piece are made of silica gel or rubber and other insulating materials.

[0011] Further, the upper cover and the lower cover are fixedly connected with the frame body by welding.

[0012] In summary, the utility model discloses the beneficial effects are:

[0013] The detachable explosion-proof battery structure can be disassembled and replaced by consumers under the premise of meeting safety performance, improve the service life of mobile equipment, reduce the pollution of electronic product scrapping to the environment, and the steel shell battery upper cover is optimized in structure to achieve the purpose of detachable and reusable battery.

[0014] The detachable explosion-proof battery structure has high safety performance when using steel shell battery, enhances the structural stability of the battery and improves the service life of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the detachable explosion-proof battery structure of an embodiment;

[0016] Figure 2 It is Figure 1 The explosion view of the detachable explosion-proof battery structure shown in the figure;

[0017] Figure 3 It is Figure 1 The plane structure schematic diagram of the upper cover of the detachable explosion-proof battery structure shown in the figure;

[0018] Figure 4 It is the plane structure schematic diagram of the upper cover of the detachable explosion-proof battery structure of another embodiment;

[0019] Figure 5 It is Figure 4 The cooperation relationship schematic diagram of the upper cover body and the connecting piece of the detachable explosion-proof battery structure shown in the figure;

[0020] Figure 6 It is the plane structure schematic diagram of the upper cover of the detachable explosion-proof battery structure of another embodiment;

[0021] Figure 7 It is Figure 6 The cooperation relationship schematic diagram of the upper cover body and the connecting piece of the detachable explosion-proof battery structure shown in the figure.

[0022] DRAWINGS

[0023] Upper cover 1, frame body 2, lower cover 3, electrode assembly 4, first insulating piece 5, protection plate 6, second insulating piece 7, upper cover body 11, connecting piece 12, threaded hole 13, first connecting part 1211, second connecting part 1212, third connecting part 1213. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-3 The present application provides a kind of anti-explosion electric core structure of convenient disassembly, the electric core structure is located in the battery compartment of the battery, the electric core structure includes upper cover 1, frame body 2 and lower cover 3, the upper cover and the lower cover are located at the opposite sides of the frame body, the upper cover and the battery compartment wall can be detachably connected, the inner cavity enclosed by the upper cover, the frame body and the lower cover is equipped with electrode assembly 4, the electrode end of the electrode assembly is equipped with protection plate 6, and the opposite ends of the protection plate are respectively equipped with first insulating piece 4 and second insulating piece 6.

[0026] In one embodiment, the upper cover includes an upper cover body 11 and a connecting piece 12 disposed on the upper cover body, and the upper cover is connected to the battery compartment through the connecting piece.

[0027] In one embodiment, a threaded hole 13 is formed on the connecting piece, and the upper cover is threadedly connected to the battery compartment through the threaded hole.

[0028] Please refer to Figure 4 And Figure 5 In one embodiment, the connecting piece includes a first connecting part 1211 and a second connecting part 1212, the first connecting part extends towards the lower cover, the second connecting part is connected to the upper cover body through the first connecting part, and the threaded hole is formed on the second connecting part.

[0029] Please refer to Figure 6 And Figure 7 In one embodiment, the connecting piece further includes a third connecting part 1213, one end of the third connecting part and the second connecting part is connected away from the first connecting part, the third connecting part is opposite to the first connecting part in direction, and the first connecting part, the second connecting part and the third connecting part form a connecting hook claw.

[0030] In one embodiment, the first insulating member and the second insulating member are made of insulating materials such as silica gel or rubber.

[0031] In one embodiment, the upper cover and the lower cover are fixedly connected with the frame body by welding. It can be understood that in other embodiments, the upper cover and the lower cover can also be fixedly connected with the frame body by clamping, inserting, threaded connection, etc.

[0032] The mounting mode of the explosion-proof battery cell structure convenient to disassemble comprises the following steps: first, prepare the components required for the steel shell battery cell, such as the steel sheet upper cover 1 with a locking ear structure or a buckle structure, a middle frame 2, a steel sheet lower cover 3, an electrode assembly 4, etc., and ensure that the surfaces of the components are clean and undamaged; second, the openings on both sides of the middle frame are sealed by the upper and lower covers through a welding process (the processing of the electrode core is completed before sealing); third, the protection plate PCM is welded on the steel shell battery cell; and finally, the PACK packaging of the battery cell structure is completed. The explosion-proof battery cell structure convenient to disassemble can be fixed to the battery whole machine cabin by using screws or buckle structures in cooperation with the whole machine of the electronic mobile device. When the battery fails, the battery cell structure can be disassembled by using a commonly used screwdriver or fingers or a pry bar on the market, and a brand new battery cell structure is replaced, thereby greatly improving the service life of the product and reducing the pollution caused by the scrapping of electronic products to the environment.

[0033] The explosion-proof battery cell structure convenient to disassemble can be disassembled and replaced by consumers under the premise of meeting the safety performance, improves the service life of the mobile device, reduces the pollution caused by the scrapping of electronic products to the environment, and optimizes the structure of the steel shell battery cell upper cover to achieve the purpose of disassembling and reusing the battery.

[0034] The explosion-proof battery cell structure convenient to disassemble has high safety performance when using a steel shell battery cell, enhances the structural stability of the battery, and improves the service life of the battery. On the other hand, the disassembling property is simple, and consumers can disassemble it by using commonly used tools on the market, thereby improving the circulation of the battery, and the disassembling and replacing of the explosion-proof battery can significantly improve the service life of the mobile device and reduce the pollution caused by the scrapping of electronic products to the environment.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A structure of an explosion-proof battery cell which is easy to disassemble, characterized by, The battery cell structure is arranged in a battery compartment of a battery, and comprises an upper cover, a frame body and a lower cover, the upper cover and the lower cover are arranged on opposite sides of the frame body, the upper cover is detachably connected with a compartment wall of the battery compartment, an electrode assembly is arranged in an inner cavity enclosed by the upper cover, the frame body and the lower cover, electrode ends of the electrode assembly are provided with protection plates, and opposite ends of each protection plate are respectively provided with a first insulating piece and a second insulating piece.

2. The easily detachable explosion-proof battery cell structure of claim 1, wherein, The upper cover comprises an upper cover main body and a connecting piece arranged on the upper cover main body, and the upper cover is connected with the battery compartment through the connecting piece.

3. The easily detachable explosion-proof battery cell structure of claim 2, wherein, A threaded hole is arranged on the connecting piece, and the upper cover is connected with the battery compartment through the threaded hole.

4. The easily detachable explosion-proof battery cell structure of claim 3, wherein, The connecting piece comprises a first connecting part and a second connecting part, the first connecting part extends towards the lower cover, the second connecting part is connected with the upper cover main body through the first connecting part, and the threaded hole is arranged on the second connecting part.

5. The easily detachable explosion-proof battery cell structure of claim 4, wherein, The connecting piece further comprises a third connecting part, one end of the third connecting part away from the first connecting part is connected with the second connecting part, the third connecting part is opposite to the first connecting part in direction, and the first connecting part, the second connecting part and the third connecting part form a connecting hook.

6. The easily detachable explosion-proof battery cell structure of claim 1, wherein, The first insulating piece and the second insulating piece are made of silica gel or rubber material.

7. The easily detachable explosion-proof battery cell structure of claim 1, wherein, The upper cover and the lower cover are fixedly connected with the frame body by welding.

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