CN220209117U

CN220209117U - Novel rechargeable battery with protection function

Info

Publication number: CN220209117U
Application number: CN202321544042.2U
Authority: CN
Inventors: 兰正年; 张英; 廖金才
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-19
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to the technical field of batteries, in particular to a novel rechargeable battery with protection, which comprises a shell, wherein an opening is formed at the positive end of the shell, an inwards concave annular groove is formed at one end, close to the opening, of the shell, a lantern ring is fixedly clamped at the opening of the shell through the annular groove, an upper fixing ring and a lower fixing ring are respectively integrally formed at the upper end and the lower end of the lantern ring, a functional component extending upwards is movably sleeved at the inner side of the lantern ring, an abutting ring is integrally formed at the peripheral end face of the lower end of the lantern ring, the upper end of the abutting ring is movably abutted with the lower end of the annular groove, and the defects of poor tightness, complex working procedure, high cost and the like of a module additionally arranged at the positive electrode and a connecting structure between the module and the battery shell in the prior art are overcome.

Description

Novel rechargeable battery with protection function

Technical Field

The utility model relates to the technical field of batteries, in particular to a novel rechargeable battery with protection.

Background

In order to improve the functionality of the existing AA and AAA batteries, a module with additional functionality is often added at the positive electrode end of the battery, and a rechargeable battery as proposed in the prior art in chinese patent application No. 202123178452.3 is a functional battery with a rechargeable module added at the positive electrode end, so that the battery can be charged for reuse.

However, in a functional battery such as the above-mentioned one, a split type sleeving structure is formed between the module and the battery case, so that the modules are required to be sleeved layer by layer during production, the structural strength and sealing effect of the battery are reduced, the space occupation of the modules is also large, the volume of the battery core is reduced, and the battery capacity is reduced, so that a novel integrated functional battery structure is required.

Disclosure of Invention

The utility model aims to solve the defects of poor sealing property, complicated working procedures, large volume and the like caused by a split type sleeving structure between a module and a battery shell in the prior art, and provides a novel rechargeable battery with protection.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the novel rechargeable battery with the protection comprises a shell, an opening is formed in the positive electrode end of the shell, an inwards-sunken annular groove is formed in one end, close to the opening, of the shell, a lantern ring is fixedly clamped at the opening of the shell through the annular groove, an upper fixing ring and a lower fixing ring are integrally formed at the upper end and the lower end of the lantern ring respectively, and a functional component extending upwards is arranged on the inner movable sleeve of the lantern ring.

Preferably, the peripheral end face of the lower end of the collar is integrally formed with an abutting ring, and the upper end of the abutting ring is movably abutted with the lower end of the annular groove.

Preferably, the inner movable sleeve of the lantern ring is provided with an inner contact piece, the upper end surface of the inner contact piece is provided with a placing groove, and the lower end of the functional component is movably placed in the placing groove.

Preferably, the upper end and the lower end of the inner contact piece are integrally formed with contact protrusions, and the output end of the functional component is movably abutted to the contact protrusions.

Preferably, the upper fixing ring is of a straight flat structure, and the lower fixing ring is of a Z-shaped structure.

Preferably, the functional component comprises a PCB sleeved on the inner side of the collar, an external contact piece is attached to the upper end of the PCB, and the input end of the PCB is electrically connected with the external contact piece.

Preferably, the input end of the PCB is electrically connected with a charging interface penetrating to the upper part of the external contact piece.

The novel rechargeable battery with protection provided by the utility model has the beneficial effects that:

through the mutual matching of the annular groove, the lantern ring and the abutting ring, the clamping installation can be facilitated, the production and the assembly are convenient, the production cost is reduced, the lantern ring is utilized to play a sealing effect with the shell, and the invasion of water vapor is reduced;

through the integrated structural design of the lantern ring, the upper fixing ring and the lower fixing ring, the battery can be used for placing the existing functional components, and the battery can be tightly contacted with the outer surfaces of the functional components to achieve the sealing effect between the functional components, so that the service life of the whole battery is prolonged, the occupied space is reduced, the volume of the battery cell is increased, and the capacity of the battery is further increased.

Drawings

Fig. 1 is a schematic perspective view of a main body of a novel rechargeable battery with protection according to the present utility model;

FIG. 2 is a schematic diagram of a main body exploded and disassembled structure of a novel rechargeable battery with protection according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a novel rechargeable battery with protection according to the present utility model;

FIG. 4 is an enlarged schematic view of the area A in FIG. 3;

FIG. 5 is a schematic diagram of an embodiment of a novel rechargeable battery with protection having a charging interface according to the present utility model;

FIG. 6 is a schematic diagram of a novel protected buck output circuit of a rechargeable battery according to the present utility model;

FIG. 7 is a diagram of a novel protected boost output circuit of a rechargeable battery with protection according to the present utility model;

fig. 8 is a diagram of a novel protected direct output circuit of a rechargeable battery with protection according to the present utility model.

In the figure: 1. a housing; 101. a ring groove; 2. a collar; 201. an abutment ring; 202. an upper fixing ring; 203. a lower fixing ring; 3. an inner contact piece; 301. a contact protrusion; 4. a PCB; 5. an external contact piece; 501. and a charging interface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-8, a novel rechargeable battery with protection comprises a housing 1, an opening is arranged at the positive electrode end of the housing 1, an inwards concave ring groove 101 is formed at one end, close to the opening, of the housing 1, a lantern ring 2 is fixedly clamped at the opening of the housing 1 through the ring groove 101, an upper fixing ring 202 and a lower fixing ring 203 are respectively integrally formed at the upper end and the lower end of the lantern ring 2, a functional component extending upwards is movably sleeved on the inner side of the lantern ring 2, the upper fixing ring 202 and the lower fixing ring 203 are made of elastic materials, such as rubber or high-elasticity plastic, for improving the sealing effect, and the ring groove 101 can be processed in a stamping forming mode to reduce the production cost.

The peripheral terminal surface integrated into one piece of lantern ring 2 lower extreme has butt ring 201, and the upper end of butt ring 201 and the lower extreme activity butt of annular 101 play the effect of butt buckle, improve fixed strength, cooperate with the inside electric core structure of shell, lower solid fixed ring 203 and electric core butt prevent down getting into, butt ring 201 prevents lantern ring 2 and upwards moves to play the fixed action, can adjust the position of annular 101 as required for this when processing, has improved flexibility and adaptability.

The inside movable sleeve of lantern ring 2 is equipped with inside contact piece 3, and the standing groove has been seted up to inside contact piece 3's up end, and functional module's lower extreme activity is placed in the inside of standing groove, plays the electrically conductive effect between functional module and the electric core, improves stability and leakproofness.

The upper and lower both ends of inside contact piece 3 all integrated into one piece has contact protruding 301, and the output and the contact protruding 301 activity butt of functional module improve the contact effect.

The upper fixing ring 202 is of a flat structure, the lower fixing ring 203 is of a Z-shaped structure, the upper fixing ring 202 is tightly attached to the outer side of the upper end, and the lower fixing ring 203 is matched with the internal battery cell and the functional components.

The functional module is including the cover locate the inboard PCB4 of lantern ring 2, and the laminating of the upper end of PCB4 has outside contact 5, and the input and the outside contact 5 electric connection of PCB4, wherein can install the pressure regulating structure in the prior art additional on the PCB4 in order to play the pressure regulating effect, improves the functionality.

Referring to fig. 5, in this embodiment with a charging interface 501, the input end of the PCB4 is electrically connected with the charging interface 501 penetrating above the external contact 5, and a flexible sealing pad is abutted between the charging interface 501 and the external contact 5 to improve the sealing effect.

The following sets examples for specific embodiments of the PCB 4:

referring to fig. 6, here, a protection buck output circuit diagram has a protective buck effect, wherein the NTC0402 can sense temperature with high precision in an ambient temperature range of-40 ℃ to +125 ℃, improves the safety of a circuit, and is provided with an LED light-emitting element to play a role of light prompt;

referring to fig. 7, a protection boost output circuit diagram is shown, which has a protective boost effect, and through an ETA6093 power management chip, effects such as no-load and short-circuit protection can be achieved, and the boost control and safety protection effects are achieved;

referring to fig. 8, here, a direct output circuit diagram is protected, which plays a role in directly outputting electric energy and protecting safety;

in all three examples, the charging interface 501 is electrically connected to the management chip, so as to perform a charging function.

The working mode is as follows; during operation, the lantern ring 2 is clamped into the shell 1 and is pressed down with force, so that the abutting ring 201 is clamped into the lower end of the annular groove 101, and then the installation can be completed;

the integrated structural design of the lantern ring 2, the upper fixing ring 202 and the lower fixing ring 203 can be used for placing the existing functional components and is tightly contacted with the outer surfaces of the functional components so as to achieve the sealing effect between the functional components, and the service life of the whole battery is prolonged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A novel rechargeable battery with protection, comprising a housing (1), characterized in that: the positive electrode end of shell (1) is equipped with the opening, annular (101) of inwards sunk are offered to the one end that shell (1) is close to the opening, the opening part of shell (1) is passed through annular (101) fixed joint has lantern ring (2), the upper and lower both ends of lantern ring (2) integrated into one piece respectively have fixed ring (202) and lower fixed ring (203), the inboard movable sleeve of lantern ring (2) is equipped with the functional module of upwards extending.

2. The novel protected rechargeable battery according to claim 1, wherein: an abutting ring (201) is integrally formed on the peripheral end face of the lower end of the collar (2), and the upper end of the abutting ring (201) is movably abutted with the lower end of the annular groove (101).

3. The novel protected rechargeable battery according to claim 1, wherein: the inner movable sleeve of the lantern ring (2) is provided with an inner contact piece (3), the upper end face of the inner contact piece (3) is provided with a placing groove, and the lower end of the functional component is movably placed in the placing groove.

4. A novel protected rechargeable battery according to claim 3, wherein: the upper end and the lower end of the inner contact piece (3) are integrally formed with contact protrusions (301), and the output end of the functional component is movably abutted to the contact protrusions (301).

5. The novel protected rechargeable battery according to claim 1, wherein: the upper fixing ring (202) is of a flat structure in a straight line, and the lower fixing ring (203) is of a Z-shaped structure.

6. The novel protected rechargeable battery according to claim 1, wherein: the functional component comprises a PCB (4) sleeved on the inner side of the lantern ring (2), an external contact piece (5) is attached to the upper end of the PCB (4), and the input end of the PCB (4) is electrically connected with the external contact piece (5).

7. The novel protected rechargeable battery according to claim 6, wherein: the input end of the PCB (4) is electrically connected with a charging interface (501) penetrating to the upper part of the external contact piece (5).