CN219436005U

CN219436005U - Closed integrated battery

Info

Publication number: CN219436005U
Application number: CN202320330090.5U
Authority: CN
Inventors: 张贤杰
Original assignee: Shanghai X-Chang Telecom Ltd
Current assignee: Shanghai X-Chang Telecom Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-28
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a closed integrated battery, which comprises a shell, a battery core, a battery protection board and a metal plate, wherein the battery core is electrically connected with the battery protection board, a placing groove is formed in the shell, the metal plate is arranged on a notch of the placing groove, the thickness of the metal plate is smaller than the wall thickness of the shell, the shell and the metal plate are connected into a containing cavity for placing the battery core and the battery protection board, a plurality of metal PIN needles are arranged on the battery protection board, a plurality of through holes corresponding to the metal PIN needles one by one are formed in the shell, and glue injection holes are formed in the shell and are communicated with the containing cavity. The utility model can enlarge the capacity of the accommodating cavity without reducing the strength of the shell, so that the accommodating cavity can be used for accommodating batteries with larger size, and the waterproof performance of the batteries can be improved.

Description

Closed integrated battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a closed integrated battery.

Background

As a common charge and discharge device, a variety of batteries can be seen in a handheld terminal, and the batteries can stably complete the charge and discharge functions through a battery core and a battery protection plate, but the batteries used in the handheld terminal still need to be improved.

The casing of prior art's battery is thicker, the capacity of the inside holding chamber of casing is less, this size that makes the inside electric core that can place of casing is less, the electric core of less size, its storage point capacity is also corresponding less, handheld terminal's live time is also corresponding shorter, if reduce the thickness of casing, can reduce the holistic intensity of casing again, in addition, current battery waterproof performance is relatively poor, its inside is easier to intake, the battery is scrapped because of intaking, in order to solve above-mentioned problem, a closed integration battery is proposed.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems in the prior art, the utility model provides a closed integrated battery, which can expand the capacity of a containing cavity and improve the waterproof performance of the battery on the premise of not reducing the strength of a shell.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a closed integration battery, includes casing, electric core, battery protection shield and metal sheet, the electric core with battery protection shield electricity is connected, be equipped with the standing groove on the casing, the metal sheet set up in on the notch of standing groove, the thickness of metal sheet is less than the wall thickness of casing, the casing with the metal sheet is connected into and is used for placing the electric core with battery protection shield's holding chamber.

Further, a plurality of metal PIN needles are arranged on the battery protection plate, and a plurality of perforations corresponding to the metal PIN needles one by one are arranged on the shell.

Further, the shell is also provided with a glue injection hole, and the glue injection hole is communicated with the accommodating cavity; glue is filled in the accommodating cavity.

According to the scheme, the metal plate, the shell, the battery cell and the battery protection plate are fixed into a whole through glue, and the metal plate replaces the original plastic shell bottom, so that the placing groove is enlarged, and the size of the battery cell which can be placed in the placing groove is increased.

Further, the battery protection plate is arranged between the battery cell and the wall of the placing groove, and the battery protection plate is electrically connected with the battery cell.

According to the scheme, the battery protection plate is arranged between the groove wall and the battery protection plate, so that the placing space of the placing groove can be distributed more reasonably.

Further, an extension is also provided on the housing.

According to the scheme, the extension part can enable the battery to be integrally fixed on the shell of the handheld terminal.

Further, the metal plate is fixed on the notch of the placing groove of the shell through the glue.

According to the scheme, the glue can enable all parts of the battery to be fixed together on one hand, and can play a role in water resistance on the other hand.

Further, grooves are formed in two side walls of the shell, located on one side of the opening, first threaded holes are formed in the grooves, and first bolts matched with the first threaded holes are arranged on the metal plate.

Further, the draw-in groove has been seted up to the both sides wall that the casing is located opening one side, the tank bottom of draw-in groove is provided with the second screw hole, one side of metal sheet is provided with the cardboard, the cardboard with draw-in groove assorted, still be provided with on the metal sheet with the second bolt that the second screw hole is relative.

(III) beneficial effects

The enclosed integrated battery has the beneficial effects that: on the one hand, the original plastic shell bottom of the shell is replaced by the arranged metal plate, the capacity of the accommodating cavity can be increased, the strength of the shell can not be reduced even if the thickness of the metal plate is smaller than that of the shell, and on the other hand, the shell, the battery cell, the battery protection plate and the steel plate are integrated into a whole due to the fact that glue is filled in the placing groove, and the waterproof performance of the battery is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

Fig. 1 is an exploded view of a closed type integrated battery according to embodiment 1 of the present utility model;

fig. 2 is a sectional view of a closed type integrated battery of embodiment 1 of the present utility model;

FIG. 3 is a schematic view of a metal plate and a housing according to embodiment 2 of the present utility model;

fig. 4 is a schematic diagram of a metal plate and a housing structure according to embodiment 3 of the present utility model.

Wherein the above figures include the following reference numerals: 1. a housing; 2. a battery cell; 3. a battery protection plate; 4. a glue injection hole; 5. a placement groove; 6. a through hole; 7. a metal PIN needle; 8. an extension part; 9. a metal plate; 10. a first bolt; 10A, a second bolt; 11. a groove; 12. a through hole; 13. a clamping groove; 14. a clamping plate; 15. the accommodating cavity.

Detailed Description

The utility model will be better explained for understanding by referring to the following detailed description of the embodiments in conjunction with the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the enclosed integrated battery according to one embodiment of the present utility model is applied to a power supply system of a handheld terminal, and comprises a housing 1, a battery core 2, a battery protection board 3 and a metal plate 9, wherein the battery core 2 is electrically connected with the battery protection board 3, a placement groove 5 is arranged on the housing 1, the metal plate 9 is arranged on a notch of the placement groove 5, the thickness of the metal plate 9 is smaller than the wall thickness of the housing 1, and the housing 1 and the metal plate 9 are connected to form a containing cavity 15 for placing the battery core 2 and the battery protection board 3; the battery protection board 3 is provided with a plurality of metal PIN needles 7, the shell 1 is provided with a plurality of perforations 6 which are in one-to-one correspondence with the plurality of metal PIN needles 7, and the plurality of metal PIN needles 7 penetrate through the plurality of perforations 6 which are opposite to the metal PIN needles 7 one by one; the shell 1 is also provided with a glue injection hole 4, the glue injection hole 4 is communicated with the accommodating cavity 15, and glue is filled in the accommodating cavity 15.

In this embodiment, the battery protection board 3 and the battery cell 2 are electrically connected through the electric wire, the battery cell 2 has a charge and discharge function, the electricity released by the battery cell 2 is transferred to the inside of the battery protection board 3 through the electric wire, the control IC of the battery protection board 3 controls the MOS switch to be turned on under all normal conditions, so that the battery cell 2 is communicated with an external circuit, when the voltage or loop current of the battery cell 2 exceeds a specified value, it immediately (tens of milliseconds) controls the MOS switch to be turned off, so as to protect the safety of the battery cell 2, wherein the battery cell 2 and the battery protection board 3 cannot contact water, and once the battery cell 2 contacts water, a problem of circuit short circuit easily occurs.

The battery protection board 3 sets up between cell 2 and the cell wall of standing groove 5, and the setting of battery protection board 3 can more reasonable distribution holding chamber 15's space of placing between cell wall and battery protection board 3.

In this embodiment, the battery protection plate 3 and the battery cell 2 are disposed in the placement groove 5, and the two are disposed on the same plane, so that the inner space of the accommodating cavity 15 can be more fully utilized.

The housing 1 is further provided with an extension 8, and the extension 8 can enable the battery to be integrally fixed on the housing 1 of the handheld terminal.

In this embodiment, the extension 8 is integrally formed with the housing 1 by injection molding.

The metal plate 9 is adhered to the notch of the placement groove 5 of the housing 1 by glue.

In this embodiment, the metal plate 9 is a steel plate, and the thickness of the steel plate is smaller than that of the shell 1, so as to increase the volume of the inner space of the accommodating cavity 15, so that the maximum size of the battery core 2 which can be placed in the accommodating cavity 15 can be increased, on one hand, the glue can fix all parts of the battery together, and on the other hand, the waterproof effect can be achieved.

Example 2:

embodiment 2 differs from embodiment 1 in that, as shown in fig. 3, the second metal plate 9 is fixed to the housing 1 in a different manner, specifically: the casing 1 is located the both sides wall of opening one side and is formed with recess 11, be provided with first screw hole (not shown in the figure) in the recess 11, be provided with on the metal sheet 9 with first screw hole matched with first bolt 10, when installing the metal sheet 9, with metal sheet 9 alignment recess 11 for first bolt 10 aligns with corresponding first screw hole, twist first bolt 10, make metal sheet 9 and the tank bottom in close contact of recess 11, then pour into glue into the inside of standing groove through injecting glue hole 4, after the glue condenses, the glue will seal the tiny gap between metal sheet 9 and the casing 1.

It should be noted that the depth of the groove 11 is equal to the thickness of the metal plate 9.

Example 3:

embodiment 3 differs from embodiment 1 in that, as shown in fig. 4, the third metal plate 9 is fixed to the housing 1 in a different manner, specifically: the draw-in groove 13 has been seted up to the vertical lateral wall of casing 1 open side, the tank bottom of draw-in groove 13 is provided with second screw hole (not shown in the figure), one side of metal sheet 9 is provided with cardboard 14, be provided with through-hole 12 on the cardboard 14, still be provided with the second bolt 10A opposite with the second screw hole on the metal sheet 9, when installing metal sheet 9, insert cardboard 14 to the inside of draw-in groove 13, then twist and change second bolt 10A for metal sheet 9 and casing 1 in close contact, when injecting glue, the injecting glue pipe passes injecting glue hole 4 and through-hole 12 and fills glue with the standing groove inside, then with injecting glue hole 4 and through-hole 12 clearance filling glue again between.

It should be noted that the depth of the clamping groove 13 is greater than or equal to the width of the clamping plate 14, and it is also necessary to ensure that the glue injection hole 4 is disposed opposite to the through hole 12.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly as such and as "connected," either fixedly or detachably, or integrally; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a closed integration battery, its characterized in that includes casing, electric core, battery protection shield and metal sheet, the electric core with battery protection shield electricity is connected, be equipped with the standing groove on the casing, the metal sheet set up in on the notch of standing groove, the casing with the metal sheet connects into and is used for placing the electric core with battery protection shield's holding chamber.

2. A closed integrated battery according to claim 1, wherein: the battery protection board is provided with a plurality of metal PIN needles, and the shell is provided with a plurality of perforations corresponding to the metal PIN needles one by one.

3. A closed integrated battery according to claim 1, wherein: the shell is also provided with a glue injection hole which is communicated with the accommodating cavity; glue is filled in the accommodating cavity.

4. A closed integrated battery according to claim 1, wherein: the battery protection board is arranged between the battery cell and the groove wall of the placing groove.

5. A closed integrated battery according to claim 1, wherein: an extension is also arranged on the shell.

6. A closed integrated battery according to claim 3, wherein: the metal plate is fixed on the notch of the placing groove of the shell through the glue.

7. A closed integrated battery according to claim 3, wherein: the shell is located the recess that is formed with on the both sides wall of opening one side, be provided with first screw hole in the recess, be provided with on the metal sheet with first screw hole matched with first bolt.

8. A closed integrated battery according to claim 3, wherein: clamping grooves are formed in two side walls of the shell, which are located on one side of the opening, second threaded holes are formed in the bottoms of the clamping grooves, clamping plates are arranged on one side of the metal plate, the clamping plates are matched with the clamping grooves, and second bolts opposite to the second threaded holes are further arranged on the metal plate.

9. A closed integrated battery according to claim 1, wherein: the thickness of the metal plate is smaller than the wall thickness of the shell.