CN211376813U

CN211376813U - Special-shaped battery pole piece and winding structure thereof

Info

Publication number: CN211376813U
Application number: CN202020127045.6U
Authority: CN
Inventors: 陈江峰
Original assignee: Huizhou Huifeng Technology Co ltd
Current assignee: Huizhou Huifeng Technology Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-08-28
Anticipated expiration: 2030-01-20

Abstract

The utility model belongs to the technical field of the battery is made, specifically a dysmorphism battery pole piece and winding structure thereof, including special-shaped pole piece, special-shaped pole piece passes through laser cutting or five metals cutter and cuts into the sheet structure, and the sheet structure is trapezoidal or class trapezium structure to trapezoidal base is the axle, and it is the cylinder structure to convolute the lower part along trapezoidal perpendicular side, and upper portion is the book core of spiral toper structure, and trapezoidal topside length of trapezoidal base is 0.1mm-2mm, and positive plate can be the same with negative plate shape, and perhaps the projection of positive plate is located negative plate surface area within range, the utility model discloses the pole piece of making is fit for the narrow and small-size battery chamber of wireless bluetooth headset, compares prior art's product battery, and battery capacity is bigger, can prolong product live time, reduces charge frequency, extension product charge life.

Description

Special-shaped battery pole piece and winding structure thereof

Technical Field

The utility model relates to a battery manufacturing technology field especially relates to a special-shaped battery pole piece and winding structure thereof.

Background

In recent years, with the development of battery technology, lithium ion batteries are widely applied to the product fields of digital products, electric tools, power toys and the like due to the characteristics of large discharge current, good stability, good safety, large capacity and the like, and bring great convenience to our lives.

With the diversification and humanization of digital products, the existing cylindrical and square batteries are not applicable.

Digital products such as small wireless Bluetooth headsets have narrow battery cavity space and relatively short endurance time.

Therefore, it is very important how to increase the endurance time of the earphone by using the small space of the battery cavity of the small wireless bluetooth earphone.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a special-shaped battery pole piece is fit for the narrow and small battery chamber of small-size wireless bluetooth headset, and aim at increases digital product duration.

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

the special-shaped battery pole piece is characterized by comprising a special-shaped pole piece, wherein the special-shaped pole piece is of a trapezoid or trapezoid-like structure, the bottom edge of the trapezoid is used as an axis, the special-shaped pole piece is wound along the vertical side edge of the trapezoid to form a cylindrical structure at the lower part, the upper part of the special-shaped pole piece is a winding core of a spiral conical structure, and the length of the bottom edge of the trapezoid is 0.1-4 mm larger than that of the top edge of the.

The length of the bottom edge of the trapezoid is the total height of the winding structure, the height of the top edge of the trapezoid is the structural height of a cylinder at the lower part of the winding structure, the vertical side edge of the trapezoid forms the bottom plane of the winding structure, and the inclined side edge of the trapezoid forms the side length of the spiral conical structure.

Furthermore, the thickness of the pole piece is 0.05mm-0.5 mm.

Furthermore, the special-shaped pole piece is cut into a sheet structure by adopting laser or a hardware cutter.

Furthermore, the trapezoid structure is a right trapezoid, the oblique side of the similar trapezoid structure is an arc protruding outwards, and other sides of the similar trapezoid structure are the same as the right trapezoid.

Furthermore, the width of the top edge of the trapezoid is between 2mm and 6 mm.

Furthermore, the width of the bottom edge of the trapezoid is 2.1mm-10 mm.

Further, the length of the inclined side edge of the right trapezoid is determined according to the length of the vertical side edge and the width of the bottom edge which is more than the top edge by the pythagorean theorem, that is to say

。

Furthermore, the sizes of the anode and the cathode of the special-shaped pole piece are the same or the area of the anode piece is slightly smaller than that of the cathode piece, and the anode and the cathode are similar in shape.

The size of the pole piece can be set with different parameters according to the size of the battery cavity of the digital product for production and manufacture.

The utility model has the advantages that

The utility model discloses the pole piece of making is fit for the narrow and small battery cavity of small-size wireless bluetooth headset, compares prior art's digital product battery, and battery capacity is bigger, can prolong product live time, reduces charging frequency, extension product charging life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall trapezoidal development of the present invention;

FIG. 2 is a schematic view of the overall trapezoidal structure of the present invention;

FIG. 3 is a schematic view of the winding structure of the present invention;

FIG. 4 is a schematic view illustrating the length of the inclined side of the present invention;

description of reference numerals: top edge 1, bottom edge 2, vertical edge 3, oblique side edge 4, winding structure 5, bottom edge excess length a, vertical side edge length b and oblique side edge length c.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout, and which are illustrated in the following description with reference to the accompanying drawings, and which are meant to be illustrative only and not to be construed as limiting the invention, and the description is therefore intended to be illustrative only, and the practice of the inventive concepts herein is not limited solely to the exemplary embodiments described herein and the illustrations in the drawings, which are not limiting.

As shown in fig. 1-4

Example 1

The utility model provides a dysmorphism battery sheet and winding structure thereof, its characterized in that, includes special-shaped pole piece, special-shaped pole piece is the trapezium structure to trapezoidal base is the axle, winds along trapezoidal perpendicular side and is the lower part and be the cylinder structure, and upper portion is the book core of spiral toper structure, and trapezoidal base is more trapezoidal topside length 0.1 mm.

The special-shaped pole piece is cut into a sheet structure by adopting laser or a hardware cutter, and the thickness of the pole piece is 0.05 mm.

The trapezoid structure is a right trapezoid.

The width of the top side of the trapezoid is 2mm, and the width of the bottom side of the trapezoid is 2.1 mm.

The length of the oblique side edge of the right trapezoid is determined according to the length of the vertical side edge and the width of the bottom edge which is more than the top edge by the Pythagorean theorem, that is to say

。

The sizes of the anode and the cathode of the special-shaped pole piece are the same or the area of the anode piece is slightly smaller than that of the cathode piece, and the anode and the cathode are similar in shape.

Example 2

The utility model provides a dysmorphism battery sheet and winding structure thereof, its characterized in that, includes special-shaped pole piece, special-shaped pole piece class trapezium structure to trapezoidal base is the axle, winds along trapezoidal perpendicular side and is the lower part for the cylinder structure, and upper portion is the book core of spiral toper structure, and trapezoidal topside length on trapezoidal base is 2 mm.

The thickness of the pole piece is 0.25 mm.

The special-shaped pole piece is cut into a sheet structure by laser or a hardware cutter.

The oblique side of the trapezoid-like structure is an arc which protrudes outwards, and other sides of the trapezoid-like structure are the same as the right trapezoid.

The width of the top side of the trapezoid is 4 mm.

The width of the bottom side of the trapezoid is 6 mm.

The length of the inclined side edge of the right trapezoid is determined by the pythagorean theorem according to the length of the vertical side edge and the width of the bottom edge which is more than the top edge.

Example 3

The utility model provides a dysmorphism battery sheet and winding structure thereof, its characterized in that, includes special-shaped pole piece, special-shaped pole piece is trapezoidal to use trapezoidal base as the axle, winds along trapezoidal perpendicular side and is the lower part and be the cylinder structure, and upper portion is the book core of spiral toper structure, and trapezoidal topside length on trapezoidal base is 4 mm.

The thickness of the pole piece is 0.5 mm.

The trapezoid structure is a right trapezoid, the inclined side edge of the similar trapezoid structure is an arc protruding outwards, and other edges of the similar trapezoid structure are the same as the right trapezoid.

The width of the top edge of the trapezoid is 6 mm.

The width of the bottom side of the trapezoid is 10 mm.

。

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims

1. The special-shaped battery pole piece is characterized by comprising a special-shaped pole piece, wherein the special-shaped pole piece is of a trapezoid or trapezoid-like structure, the bottom edge of the trapezoid is used as an axis, the special-shaped pole piece is wound along the vertical side edge of the trapezoid to form a cylindrical structure at the lower part, the upper part of the special-shaped pole piece is a winding core of a spiral conical structure, and the length of the bottom edge of the trapezoid is 0.1-4 mm larger than that of the top edge of the.

2. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 1, wherein the thickness of the pole piece is 0.05mm-0.5 mm.

3. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 1, wherein the special-shaped battery pole piece is cut into a sheet structure by laser or by a hardware cutter.

4. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 1, wherein the trapezoid structure is a right trapezoid, the inclined side of the trapezoid-like structure is an outward protruding arc, and the other sides of the trapezoid-like structure are the same as the right trapezoid.

5. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 1, wherein the width of the top side of the trapezoid is between 2mm and 6 mm.

6. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 1, wherein the width of the bottom edge of the trapezoid is 2.1mm-10 mm.

7. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 4, wherein the length of the inclined side edge of the right trapezoid is determined by the Pythagorean theorem according to the length of the vertical side edge and the width of the bottom edge which is more than the top edge.

8. The special-shaped battery pole piece and the winding structure thereof as claimed in claim 1, wherein the positive and negative electrodes of the special-shaped pole piece are the same size or the projection of the positive electrode is located in the range of the surface area of the negative electrode.