CN208045626U

CN208045626U - A kind of new polymers lithium cell encapsulation construction

Info

Publication number: CN208045626U
Application number: CN201721414218.7U
Authority: CN
Inventors: 高立平
Original assignee: Dongguan Easy Electronic Technology Co Ltd
Current assignee: Dongguan Easy Electronic Technology Co Ltd
Priority date: 2017-10-30
Filing date: 2017-10-30
Publication date: 2018-11-02
Anticipated expiration: 2027-10-30

Abstract

The utility model discloses a kind of new polymers lithium cell encapsulation constructions, including battery case, capping, inner sealed board and outer sealing plate, the fixture block to raise up is set at the port of the battery case, the card slot to match with fixture block is offered in the bottom edge of the capping, synthetic resin fluid sealant is coated with capping junction in the battery case, the upper surface of the capping offers the first groove to match with outer sealing plate, the lower bottom part of the capping offers the second groove to match with inner sealed board, the electrode column jack through capping is offered in the capping, the upper top of the electrode column jack offers mounting hole.This utility model good airproof performance; by to battery inner core enclosed package; ensure that battery inner core will not be contacted with air; the aluminium foil of battery inner core is caused to corrode; prevent dust and dust in air from entering in battery microcircuit again; and short circuit is caused, preferably protect battery inner core, it is ensured that lithium battery can normally work safely.

Description

A kind of new polymers lithium cell encapsulation construction

Technical field

The utility model is related to polymer lithium battery encapsulation technical field, specially a kind of new polymers lithium battery encapsulation Structure.

Background technology

As communication electronics product and consumer electrical product function are more and more stronger in recent years, appearance and size is increasingly It is small, quality is more and more lighter, therefore lithium battery is because with capacitance is big, energy density is high, size is small etc., advantages have obtained answering extensively With instead of traditional dry cell in many domestic electronic consumer products.When preparing lithium battery, lithium battery is being just Separated with one layer of isolation film between pole, cathode so that ion by and completely cut off electronics, barrier material includes mainly polyethylene (PE) and the organic matters such as polypropylene (PP), single or multi-layer structure is formed；Then anode, cathode, isolation film are mounted on battery Injection electrolyte or solid colloid impregnate anode, cathode in shell, and electrochemical reaction occurs and turns electric energy mutually with chemical energy It changes.Lithium battery has battery inner core and protection circuit to constitute, and in order to improve the safety and stability of battery, needs to battery inner core It is packaged, it is avoided to enter battery inner core with air so that dust or steam in air enter battery battery core, and cause micro- Short circuit, or aluminium foil is corroded.Therefore it needs to design a kind of new polymers lithium cell encapsulation construction.

Invention content

The purpose of this utility model is to provide a kind of new polymers lithium cell encapsulation constructions, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions：A kind of new polymers lithium battery encapsulation knot Structure, including battery case, capping, inner sealed board and outer sealing plate are set to the fixture block to raise up at the port of the battery case, The card slot to match with fixture block is offered in the bottom edge of the capping, conjunction is coated with capping junction in the battery case At resin sealer, the upper surface of the capping offers the first groove to match with outer sealing plate, the lower bottom part of the capping The second groove to match with inner sealed board is offered, the electrode column jack through capping, the electrode are offered in the capping The upper top of column jack offers mounting hole, and the inner sealed board is bonded in by fluid sealant in the inner cavity of the second groove, described outer Sealing plate is bonded in by fluid sealant in the inner cavity of the second groove.

Preferably, it is provided with insulated enclosure rubber ring in the mounting hole.

Preferably, the inner sealed board is polytetrafluoroethylene (PTFE) material.

Preferably, through-hole corresponding with mounting hole is offered on the inner sealed board.

Compared with prior art, the utility model has the beneficial effects that：This utility model good airproof performance, by battery Core enclosed package, it is ensured that battery inner core will not be contacted with air, cause to corrode to the aluminium foil of battery inner core, and prevent air In dust and dust enter in battery microcircuit, and cause short circuit, the battery inner core preferably protected, it is ensured that lithium battery energy The enough normal work of safety.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model battery case schematic diagram

Fig. 3 is that the utility model covers sectional view.

In figure：1 battery case, 2 cappings, 3 inner sealed boards, 4 outer sealing plates, 5 fixture blocks, 6 card slots, 7 first grooves, 8 second grooves, 9 mounting holes, 10 electrode column jacks.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of the utility model, it should be noted that the side of the instructions such as term "vertical", "upper", "lower", "horizontal" Either position relationship is orientation based on ... shown in the drawings or position relationship for position, is merely for convenience of describing this practicality and simplification is retouched State, rather than indicate either to imply that signified device or element must have a particular orientation, with specific azimuth configuration and Operation, therefore should not be understood as limiting the present invention.In addition, " first ", " second ", " third ", " the 4th " are only used for Purpose is described, and should not be understood as indicating or implying relative importance.

In the description of the utility model, it is also necessary to which explanation " is set unless otherwise specific regulation and limitation, term Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or be integrally connected, it can be mechanical connection, can also be electrical connection, can be directly connected to, can also be by intermediate matchmaker It is situated between and is connected, can is the connection inside two elements.It for the ordinary skill in the art, can be as the case may be Understand the concrete meaning of above-mentioned term in the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of new polymers lithium cell encapsulation construction, Including battery case 1, capping 2, inner sealed board 3 and outer sealing plate 4, the inner sealed board 3 is polytetrafluoroethylene (PTFE) material, and corrosion resistance is strong, Insulating properties is good, and the fixture block 5 to raise up is set at the port of the battery case 1, is opened up in the bottom edge of the capping 2 There is the card slot 6 to match with fixture block 5, synthetic resin fluid sealant is coated with 2 junctions of capping in the battery case 1, to electricity Pond shell 1 is sealed, and good airproof performance, and the upper surface of the capping 2 offers the first groove to match with outer sealing plate 4 7, the lower bottom part of the capping 2 offers the second groove 8 to match with inner sealed board 3, is offered through capping in the capping 2 The upper top of 2 electrode column jack 10, the electrode column jack 10 offers mounting hole 9, and insulation is provided in the mounting hole 9 Sealing rubber ring, to be sealed installation to installation electrode, the inner sealed board 3 is bonded in by fluid sealant in the second groove 8 In chamber, through-hole corresponding with mounting hole 9 is offered on the inner sealed board 3, the outer sealing plate 4 is bonded in second by fluid sealant In the inner cavity of groove 8, this utility model good airproof performance, by existing to battery inner core enclosed package, it is ensured that battery inner core will not be with Air is contacted, and causes to corrode to the aluminium foil of battery inner core, and prevents dust and dust in air from entering the micro- electricity of battery Lu Zhong, and protection circuit is caused to cause short circuit, preferably protect battery inner core, it is ensured that lithium battery being capable of safe normal work Make.

Operation principle：Battery inner core and protection circuit are placed in battery case 1, capping 2 is then covered and comes to battery Inner core and protection circuit are sealed encapsulation, and in junction coat synthetic resin fluid sealant to be sealed to junction, In by inner sealed board 3 and outer sealing plate 4 come to installation electrode be sealed, effectively prevent air and be in direct contact with battery inner core.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of new polymers lithium cell encapsulation construction, including battery case（1）, capping（2）, inner sealed board（3）With outer sealing plate （4）, it is characterised in that：The battery case（1）Port at be set to the fixture block to raise up（5）, the capping（2）Bottom It is offered on portion edge and fixture block（5）The card slot to match（6）, the battery case（1）With capping（2）Conjunction is coated in junction At resin sealer, the capping（2）Upper surface offer and outer sealing plate（4）The first groove to match（7）, the capping （2）Lower bottom part offer and inner sealed board（3）The second groove to match（8）, the capping（2）On offer through capping （2）Electrode column jack（10）, the electrode column jack（10）Upper top offer mounting hole（9）, the inner sealed board（3）It is logical It crosses fluid sealant and is bonded in the second groove（8）Inner cavity in, the outer sealing plate（4）It is bonded in the second groove by fluid sealant（8）'s In inner cavity.

2. a kind of new polymers lithium cell encapsulation construction according to claim 1, it is characterised in that：The mounting hole （9）Inside it is provided with insulated enclosure rubber ring.

3. a kind of new polymers lithium cell encapsulation construction according to claim 1, it is characterised in that：The inner sealed board （3）For polytetrafluoroethylene (PTFE) material.

4. a kind of new polymers lithium cell encapsulation construction according to claim 1, it is characterised in that：The inner sealed board （3）On offer and mounting hole（9）Corresponding through-hole.