CN219603504U - Integrated gummed paper and battery - Google Patents

Abstract

The utility model relates to an integrated gummed paper and a battery, wherein the integrated gummed paper comprises: the gummed paper main body is provided with two opposite short sides; the two sides of the gummed paper main body are respectively provided with a bulge in a protruding mode, a cutting line is arranged at the joint of the first side of the bulge and the gummed paper main body, and the cutting line extends along the short side of the gummed paper main body; a convex strip is respectively protruded on the second side of each protrusion; the whole that the gummed paper main part the arch with the sand grip forms is from outside to interior including range upon range of heat conduction layer, first double-sided adhesive layer, PI layer and the double-sided adhesive layer of second that sets up. The utility model integrally designs the gummed paper, has simple operation procedure, saves manpower and has the heat conduction function.

Description

Integrated gummed paper and battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to an integrated gummed paper and a battery.

Background

The lithium ion battery has the advantages of high voltage, high specific energy, long cycle life, long storage time and the like, and is widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers, and also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like.

At present, a PCM plate in a lithium ion battery is generally wrapped by high-temperature insulating gummed paper so as to protect the PCM plate, reduce battery failure caused by excessive PCM play, and avoid battery core tab breakage caused by whole machine drop or micro drop test PCM play.

However, the high temperature insulating gummed paper in the prior art generally comprises two separated gummed paper parts of a head gummed paper and a top gummed paper, thus, the procedure is complex in the process of wrapping the PCM board, and manpower is wasted; in addition, the conventional insulating adhesive paper does not have an effective heat conduction function, and therefore, the heat generation of components on the PCM board easily causes a reduction in battery life.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide the integrated gummed paper and the battery, which are designed integrally, have simple operation procedures, save manpower and have good heat conduction function.

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

the integrated gummed paper of the utility model comprises: the gummed paper main body is provided with two opposite short sides; the two short sides of the gummed paper main body are respectively provided with a bulge in a protruding mode, a cutting line is arranged at the joint of the first side of the bulge and the gummed paper main body, and the cutting line extends along the short sides of the gummed paper main body; a convex strip is respectively protruded on the second side of each protrusion; the whole that the gummed paper main part protruding with the sand grip formed is including the heat conduction layer, first double-sided adhesive layer, PI layer, the double-sided adhesive layer of second that stack gradually and set up.

The integrated gummed paper preferably further comprises a tearable gummed paper, wherein the tearable gummed paper is arranged outside the second double-sided adhesive layer, and the shape of the tearable gummed paper is matched with the integral shape formed by the gummed paper main body, the bulge and the convex strip.

The integrated gummed paper is characterized in that preferably, one side of the easy-to-tear gummed paper is convexly provided with an easy-to-tear handle, and the easy-to-tear handle exceeds a preset distance on one side edge of the entirety formed by the gummed paper main body, the bulge and the convex strip.

The integral gummed paper is preferably a rectangular gummed paper body.

The width of the raised strips is preferably smaller than that of the protrusions.

The battery comprises the integrated gummed paper, an electric core and a PCM plate; the PCM plate is welded with the electrode lug of the battery cell; the battery cell is provided with a top sealing edge arranged at the top of the battery cell and side sealing edges arranged at two sides of the battery cell; the top sealing edge and the top plane of the battery cell are arranged at a preset angle, and the side sealing edge and the side plane of the battery cell are attached; the integrated gummed paper wraps the PCM plate, the top edge sealing of the battery cell and the upper part of the side edge sealing.

Preferably, the protrusions are bent towards the bottom direction of the battery cell and are bonded to two ends of the top sealing edge, so that two ends of the top sealing edge are wrapped by the protrusions.

In the battery, preferably, the protruding strip is attached from an upper inner side surface of the side seal, and folded to an upper outer side surface of the side seal to attach, so that an upper portion of the side seal is wrapped by the protruding strip.

The battery, preferably, the lower part of the gummed paper main body is adhered to the first surface of the PCM board, and is folded around the edge of the PCM board to be adhered to the second surface of the PCM board, and the upper part of the gummed paper main body is adhered to the top edge sealing of the battery cell.

The battery, preferably, the lower part of the gummed paper main body is folded 180 ° following the PCM plate.

Due to the adoption of the technical scheme, the utility model has the following advantages:

compared with the prior two different types of gummed paper which are operated at two different posts, the utility model can effectively save labor cost, lead the appearance of the product to be more beautiful, promote the quality of the product, facilitate the operation of staff, shorten the development and preparation period of the 3C consumer battery product, add the gummed paper with heat conducting material, solve the problem of overhigh temperature of PCM components when the mobile phone is charged and discharged at high power, promote the experience and the service life of the battery;

the utility model provides effective help for the current 3C consumer battery production and greatly improves the production efficiency of the production line.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Like parts are designated with like reference numerals throughout the drawings. In the drawings:

FIG. 1 is a schematic front view of an integrated gummed paper according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the back structure of an integrated gummed paper according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a laminated structure of an integrated gummed paper according to an embodiment of the present utility model;

fig. 4 is a schematic front view of a battery according to an embodiment of the present utility model, in which an integral type gummed paper is in an unwrapped state;

FIG. 5 is a schematic view of a back structure of a battery according to an embodiment of the present utility model, wherein the integrated gummed paper is in an unwrapped state;

fig. 6 is an enlarged schematic view of a portion a in fig. 5;

fig. 7 is a schematic structural diagram of a battery according to an embodiment of the present utility model, in which an integral type gummed paper is in a wrapped state.

The various references in the drawings are as follows:

1-a gummed paper main body; 2-bulge; 3-cutting off the wire; 4-convex strips; 5-an easy-to-tear handle; 6-an electric core; 601-top edge banding; 602-side banding; 7-electrode lugs; 8-PCM plates; 9-a heat conducting layer; 10-a first double-sided adhesive layer; 11-PI layer; 12-a second double-sided adhesive layer.

Detailed Description

Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 utility model provides the integrated gummed paper and the battery, which effectively save labor cost by integrating the gummed paper, and have the heat conduction function by arranging the gummed paper into a multi-layer structure and arranging the heat conduction layer made of the heat conduction material on the outermost layer.

The integrated gummed paper and the battery provided by the embodiment of the utility model are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the integrated gummed paper provided by the present utility model includes: the gummed paper main body 1 is provided with two opposite short sides; the two short sides of the gummed paper body 1 are respectively provided with a bulge 2 in a protruding mode, a cutting line 3 is arranged at the joint of the first side of the bulge 2 and the gummed paper body 1, and the cutting line 3 extends along the short side of the gummed paper body 1; the second side of each protrusion 2 is respectively protruded with a protrusion 4. From this, gummed paper main part, arch and sand grip set up as an organic wholely for it is simpler when wrapping up, practiced thrift the cost of labor.

As shown in fig. 3, the whole body formed by the gummed paper main body, the protrusion and the protruding strip comprises a heat conducting layer 9, a first double-sided adhesive layer 10, a PI (high temperature gummed paper) layer 11 and a second double-sided adhesive layer 12 which are sequentially stacked from outside to inside. The second double-sided adhesive layer of the gummed paper main body can be made of acrylic glue, and the non-back adhesive surface of the heat conduction layer can be made of an ink layer with good heat conduction performance by printing or an electroplating high heat conduction material.

In the above embodiment, it is preferable that the adhesive tape further includes a peel-off sticker (not shown in the figure), which is disposed outside the second double-sided adhesive layer, and the shape of the peel-off sticker is adapted to the shape of the whole formed by the adhesive tape main body 1, the protrusion 2, and the ridge 4.

In the above embodiment, preferably, the side of the easy-to-tear sticker is protruded with the easy-to-tear handle 5, and the easy-to-tear handle 5 exceeds the side edge of the whole formed by the gummed paper main body 1, the protrusion 2 and the protruding strip 4 by a preset distance, specifically may be 3-5CM.

It should be noted that, the second double-sided adhesive layer may be provided only on the innermost layer of the whole body formed by the lower part of the adhesive tape main body having the same width as the convex strip and the convex strip, and only one layer of acrylic glue may be coated on the innermost layer of the rest adhesive tape main bodies.

In the above embodiment, the gummed paper setting body 1 is preferably of a rectangular structure.

In the above embodiment, the width of the ridge 4 is preferably smaller than the width of the protrusion 2.

As shown in fig. 4, 5 and 6, the present utility model further provides a battery, including the integrated adhesive tape, the battery cell 6 and the PCM board 8; the PCM plate 8 is welded with the electrode lug 7 of the battery cell 6; the battery cell 6 has a top sealing edge 601 arranged at the top and side sealing edges 602 arranged at two sides; the top sealing edge 601 is arranged at a certain angle with the top plane of the battery cell 6, and the side sealing edge 602 is attached to the side plane of the battery cell 6; the integrated gummed paper wraps the PCM plate 8, the top seal 601 and the upper portion of the side seal 602 of the battery cell 6.

In the above embodiment, it is preferable that the protrusions 2 are bent toward the bottom of the battery cell 6 and bonded to both ends of the top sealing edge 601 such that both ends of the top sealing edge 601 are wrapped by the protrusions 2.

In the above embodiment, it is preferable that the ridge 4 is attached from the upper inner side of the side seal 602 and folded over to the upper outer side of the side seal 602 so that the upper portion of the side seal 602 is wrapped by the ridge 4.

In the above embodiment, preferably, as shown in fig. 7, the lower part of the gummed paper body 1 is adhered to the first face of the PCM board 8, and folded around the edge of the PCM board 8 to be adhered to the second face of the PCM board 8, and the upper part of the gummed paper body 1 is adhered to the top edge seal of the battery cell 6.

In the above embodiment, the lower part of the gummed paper setting body 1 is preferably folded back 180 ° following the PCM block 8.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. An integrated gummed paper, comprising:

the gummed paper main body is provided with two opposite short sides;

the two short sides of the gummed paper main body are respectively provided with a bulge in a protruding mode, a cutting line is arranged at the joint of the first side of the bulge and the gummed paper main body, and the cutting line extends along the short sides of the gummed paper main body;

a convex strip is respectively protruded on the second side of each protrusion;

the whole that the gummed paper main part protruding with the sand grip formed is including the heat conduction layer, first double-sided adhesive layer, PI layer, the double-sided adhesive layer of second that stack gradually and set up.

2. The integrated sticker of claim 1 further comprising a peel-off sticker disposed outside the second double-sided adhesive layer, the peel-off sticker having a shape compatible with the overall shape formed by the sticker body, the protrusion, and the rib.

3. The integrated gummed paper according to claim 2, wherein a side of said easy-to-tear sticker is protruded with an easy-to-tear handle, said easy-to-tear handle exceeding a side edge of an entirety formed by said gummed paper main body, said protrusion and said convex strip by a predetermined distance.

4. The integrated gummed paper of claim 1, wherein said gummed paper body is of rectangular configuration.

5. The integrated gummed paper of claim 1, wherein a width of said ridge is less than a width of said protrusion.

6. A battery comprising the integrated gummed paper, an electric core and a PCM board of any one of claims 1 to 5;

the PCM plate is welded with the electrode lug of the battery cell;

the battery cell is provided with a top sealing edge arranged at the top of the battery cell and side sealing edges arranged at two sides of the battery cell; the top sealing edge and the top plane of the battery cell are arranged at a preset angle, and the side sealing edge and the side plane of the battery cell are attached;

the integrated gummed paper wraps the PCM plate, the top edge sealing of the battery cell and the upper part of the side edge sealing.

7. The battery of claim 6, wherein the protrusions are bent toward the bottom of the battery cell and adhered to both ends of the top seal such that both ends of the top seal are wrapped by the protrusions.

8. The battery of claim 7, wherein the ribs are attached from an upper inner side of the side seal and folded over to an upper outer side of the side seal such that an upper portion of the side seal is wrapped by the ribs.

9. The battery of claim 8, wherein the lower portion of the gummed paper body is bonded to the first face of the PCM plate and folded around the edge of the PCM plate to bond to the second face of the PCM plate, and wherein the upper portion of the gummed paper body is bonded to the top edge seal of the battery cell.

10. The battery of claim 9, wherein the lower portion of the gummed paper body follows the PCM board by 180 °.