CN214176165U

CN214176165U - Battery with a battery cell

Info

Publication number: CN214176165U
Application number: CN202023350537.0U
Authority: CN
Inventors: 张庆; 牛海丰
Original assignee: Dongguan Haifengqing Electronic Technology Co ltd
Current assignee: Dongguan Haifengqing Electronic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of batteries, in particular to a battery, which comprises a battery casing, a battery core, a PCBA battery cap, a battery positive electrode and an explosion-proof component. A pressure relief hole is provided, and the diameter of the inlet end of the pressure relief hole is larger than that of the outlet end. The application greatly improves the storage capacity of the existing battery, realizes the purpose of rechargeable and cyclic use, protects the environment, saves energy, and the explosion-proof components are soft deformable structures. , the gas is discharged from the pressure relief hole, the middle of the explosion-proof component is deformed, and the pressure relief hole is horn-shaped, which can accelerate the discharge of gas, make the pressure relief effect good, prevent the battery from bursting in a continuous high temperature environment, and eliminate potential safety hazards.

Description

Battery with a battery cell

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to indicate a battery.

Background

At present, a large number of No. 5 batteries, No. 7 batteries and the like which exist and are used in the market are carbon batteries, alkaline batteries, nickel-metal hydride batteries, nickel-cadmium batteries and the like, the batteries have low capacity, can only be used once, cannot be reused, are difficult to recycle, are dispersed on the hands of users, have high recycling cost, and have high difficulty in processing the recycled batteries and high processing cost.

The lithium ion battery replaces the traditional carbon, alkaline, nickel-hydrogen and nickel-chromium batteries, can realize the purposes of repeated charging and recycling, but the lithium ion battery easily generates gas under the environment of continuous high temperature, so that the battery core expands and even bursts, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a battery can realize repeated charging, recycle, prevents that the battery from bursting under the environment that lasts the high temperature, eliminates the potential safety hazard.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a battery, its includes battery case, install in the inside electric core of battery case, set up in the PCBA battery block of battery case upper end, set up in the battery positive pole of PCBA battery block and set up the explosion-proof component between electric core and PCBA battery block, the middle part of explosion-proof component is sunken form, and the both sides of explosion-proof component are equipped with a plurality of pressure release holes respectively, the aperture of the inlet end in pressure release hole is greater than the aperture of the end of giving vent to anger.

Furthermore, the upper end and the lower end of the battery cell are respectively provided with a battery cell anode and a battery cell cathode, and the battery cell anode is electrically connected with the PCBA battery cap.

Further, the battery core negative electrode is connected with the bottom of the battery shell in an abutting mode.

Further, the battery core negative electrode is connected with the side face of the upper end shell opening of the battery shell.

Further, the battery also comprises a battery cover welded to the upper end of the battery shell in a laser mode, and the battery cover is connected with the PCBA battery cover cap in a patch mode.

Furthermore, the battery also comprises an upper battery cell spacer ring and a lower battery cell spacer ring, wherein the upper battery cell spacer ring is arranged at the upper end of the battery cell, and the lower battery cell spacer ring is arranged at the lower end of the battery cell.

Furthermore, two sides of the interior of the battery shell are respectively provided with two clamping lugs, the clamping lugs are bent, two ends of the explosion-proof component are respectively provided with two clamping ends which are matched with the clamping lugs, and the shapes of the clamping ends are matched with the shapes of the clamping lugs.

The utility model has the advantages that:

1. the utility model uses the lithium ion battery cell to replace the traditional carbon, alkaline, nickel-hydrogen and nickel-chromium batteries, and is made into the appearance of the No. 5 battery and the No. 7 battery, thereby greatly improving the storage capacity of the existing battery, realizing the purposes of repeated charging and recycling, protecting the environment and saving the energy;

2. the utility model discloses an explosion-proof component is software deformable structure, and the battery is under the environment that lasts the high temperature, and when electric core produced a large amount of gas, gaseous from the pressure release hole discharge, and deformation takes place at explosion-proof component's middle part, and the pressure release hole is the loudspeaker form, can discharge gas with higher speed for the pressure release is effectual, prevents that the battery from bursting under the environment that lasts the high temperature, eliminates the potential safety hazard.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic structural view of a portion a in fig. 1.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Example one

As shown in fig. 1-2, the utility model provides a pair of battery, it includes battery case 1, installs in battery case 1 inside electric core 2, set up in PCBA battery block 3 of battery case 1 upper end, set up in PCBA battery block 3 the anodal 4 of battery and set up the explosion-proof component 5 between electric core 2 and PCBA battery block 3, the middle part of explosion-proof component 5 is sunken form, and the both sides of explosion-proof component 5 are equipped with a plurality of pressure release holes 6 respectively, the aperture of the inlet end 7 of pressure release hole 6 is greater than the aperture of the end 8 of giving vent to anger.

In the practical application, electric core 2 is lithium ion battery electric core, uses lithium ion battery electric core to replace traditional carbon nature, basicity, nickel-hydrogen, nickel-chromium battery, makes the appearance of No. 5 batteries and No. 7 batteries, has promoted the electric capacity of current battery greatly, realizes repeatedly charging, used cyclically's purpose, environmental protection, the energy saving. Explosion-proof part 5 is software deformable structure, and the battery is under the environment that lasts the high temperature, and when 2 production of electricity core were a large amount of gas, gaseous from 6 discharges in pressure release hole, and deformation took place at explosion-proof part 5's middle part, and pressure release hole 6 is the loudspeaker form, can discharge gas with higher speed for the pressure release is effectual, prevents that the battery from bursting under the environment that lasts the high temperature, eliminates the potential safety hazard.

In this embodiment, the battery further comprises a battery cover 11 laser-welded to the upper end of the battery case, and the battery cover 11 is connected with the PCBA battery cap 3 in a patch manner.

In this embodiment, the battery further includes an upper cell spacer ring 12 and a lower cell spacer ring 13, where the upper cell spacer ring 12 is disposed at the upper end of the cell 2, and the lower cell spacer ring 13 is disposed at the lower end of the cell 2. Go up electric core space ring 12 and electric core space ring 13 down and all be used for separation electric core 2, separate electric core 2 with other parts, protect electric core 2.

In this embodiment, two sides of the inside of the battery case 1 are respectively provided with two clamping lugs 14, the clamping lugs 14 are bent, two ends of the explosion-proof component 5 are respectively provided with two clamping ends 15 which are installed in a matching manner with the clamping lugs 14, and the shapes of the clamping ends 15 are matched with the shapes of the clamping lugs 14. Specifically, the design of clamping the lug 14 and the clamping end 15 can reinforce the installation of the explosion-proof part 5, and when the battery core 2 is prevented from generating a large amount of gas, the explosion-proof part 5 is directly popped and cannot play an explosion-proof effect.

Further, the upper end and the lower end of the battery cell 2 are respectively provided with a battery cell anode 9 and a battery cell cathode 10, the battery cell anode 9 is electrically connected with the PCBA battery cap 3, and the battery cell cathode 10 is abutted against the bottom of the battery shell 1.

Example two

The second embodiment is substantially the same as the first embodiment except that: and the battery core negative electrode 10 is connected with the side surface of the upper end shell opening of the battery shell 1.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A battery comprising a battery housing, characterized in that: still including installing in the inside electric core of battery case, setting up in the PCBA battery block of battery case upper end, setting up in the battery positive pole of PCBA battery block and setting up the explosion-proof component between electric core and PCBA battery block, explosion-proof component's middle part is sunken form, and explosion-proof component's both sides are equipped with a plurality of pressure release holes respectively, the aperture of the inlet end in pressure release hole is greater than the aperture of the end of giving vent to anger.

2. A battery as defined in claim 1, wherein: the upper and lower both ends of electricity core are equipped with electric core positive pole and electric core negative pole respectively, and electric core positive pole is connected with PCBA battery cap electricity.

3. A battery according to claim 2, wherein: and the negative electrode of the battery core is connected with the bottom of the battery shell in an abutting mode.

4. A battery according to claim 2, wherein: and the negative electrode of the battery core is connected with the side surface of the upper end shell opening of the battery shell.

5. A battery as defined in claim 1, wherein: the battery also comprises a battery cover welded at the upper end of the battery shell by laser, and the battery cover is connected with the PCBA battery cover cap in a patch mode.

6. A battery as defined in claim 1, wherein: the battery also comprises an upper battery cell spacer ring and a lower battery cell spacer ring, wherein the upper battery cell spacer ring is arranged at the upper end of the battery cell, and the lower battery cell spacer ring is arranged at the lower end of the battery cell.

7. A battery as defined in claim 1, wherein: two sides of the interior of the battery shell are respectively provided with two clamping lugs which are bent, two ends of the explosion-proof part are respectively provided with two clamping ends which are matched with the clamping lugs, and the shapes of the clamping ends are matched with those of the clamping lugs.