CN111916582A

CN111916582A - Bluetooth headset battery protective layer

Info

Publication number: CN111916582A
Application number: CN202010872646.4A
Authority: CN
Inventors: 朱慧; 唐颖华; 余树新
Original assignee: Shenzhen Shentong World Technology Co ltd
Current assignee: Shenzhen Shentong World Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-10

Abstract

The invention discloses a Bluetooth headset battery protective layer, which is characterized in that a PCB (printed circuit board) is wrapped on a battery core by the protective layer of the Bluetooth headset battery protective layer, namely the PCB is sealed between the Bluetooth headset battery protective layer and the battery core, the traditional upper cover and lower cover packaging is replaced, the manufacturing process is simplified, the protective layer is directly packaged integrally, the process is simple, and the cost is low. Meanwhile, the top of the protective layer is provided with the bulge for preventing extrusion and playing a role of buffering, and the gap for preventing extrusion and playing a role of buffering is preset between the protective layer and the PCB, so that the problem that the battery cell and the PCB are packaged together through the shell of the upper cover and the shell of the lower cover in the traditional method and are damaged due to extrusion or extrusion in the assembling process is solved.

Description

Bluetooth headset battery protective layer

Technical Field

The invention relates to the field of Bluetooth headset batteries, in particular to a Bluetooth headset battery protection layer.

Background

In bluetooth headset battery protection layer manufacturing process, in order to reduce the volume and waterproof of battery, need pack electric core and PCB board together, current technique is with both through the shell encapsulation that possesses upper and lower cover together, but, this scheme exists that technology is loaded down with trivial details, and the process is troublesome, and the cost is higher. Moreover, the battery cell and the PCB can be compressed in the packaging process, because the common upper cover and the lower cover are hard shells, the battery cell or the PCB can be damaged very easily in the compression process, and in addition, when the battery pack is used, because the Bluetooth headset battery needs to be assembled in related equipment, certain extrusion can be generated, and the battery cell and the PCB can be further damaged due to the extrusion of the upper cover and the lower cover in the process.

Disclosure of Invention

The invention provides a battery protection layer of a Bluetooth headset, which solves the problem that a battery core and a PCB are packaged together by a shell of an upper cover and a shell of a lower cover in the traditional method and are damaged due to extrusion or extrusion in the assembly process.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a bluetooth headset battery protective layer, includes PCB board, electric core and protective layer, the PCB board with the electric core is stack relatively, the protective layer parcel the PCB board with the one end that the electric core is connected, the protective layer the PCB board with the one end that the electric core is connected forms the space of relative sealing the top of protective layer is equipped with the arch that prevents that the extrusion from playing the cushioning effect the protective layer with also preset between the PCB board and prevent that the extrusion from playing the space of cushioning effect.

Preferably, the protective layer is integrally formed, and the protrusion is separately arranged on the top of the protective layer, or the protrusion and the protective layer are integrally formed.

Preferably, the protective layer and the protrusion are made of elastic plastic.

Preferably, the shape of the gap is a shape protruding upwards inside the protective layer, or the bottom of the protective layer and the PCB are relatively parallel to form the gap.

Preferably, the battery core is provided with a positive electrode tab and a negative electrode tab.

Preferably, the PCB board is provided with a positive lead and a negative lead which are connected with the positive tab and the negative tab in a matching manner, and the positive lead and the negative lead penetrate through the protective layer and are relatively exposed to the outside.

Preferably, an insulating protective sheet for preventing short circuit is provided on each of the ends of the positive electrode lead and the negative electrode lead.

Preferably, the insulating protective sheet is a paper sheet.

Preferably, a film pasting layer is arranged at the bottom of the other end of the battery cell, which is connected with the PCB board and the battery cell.

Preferably, the protective layer surrounds the whole body of the battery cell, the bottom edge of the protective layer is flush with the bottom edge of the battery cell, and the adhesive film layer and the protective layer form a relatively sealed space.

The invention has the following beneficial effects: (1) according to the protective layer of the Bluetooth headset battery protective layer, the PCB is wrapped on the battery core, namely the PCB is sealed between the Bluetooth headset battery protective layer and the battery core, the traditional upper cover and lower cover packaging is replaced, the manufacturing process is simplified, the protective layer is directly packaged integrally, the process is simple, and the cost is low. (2) Meanwhile, the top of the protective layer is provided with the bulge for preventing extrusion and playing a role of buffering, and the gap for preventing extrusion and playing a role of buffering is preset between the protective layer and the PCB, so that the problem that the battery cell and the PCB are packaged together through the shell of the upper cover and the shell of the lower cover in the traditional method and are damaged due to extrusion or extrusion in the assembling process is solved. (3) According to the invention, the positive electrode tab and the negative electrode tab are respectively provided with the insulating protection sheet for preventing short circuit.

Drawings

Fig. 1 is a perspective view of a battery protection layer of a bluetooth headset according to the present invention.

Fig. 2 is a perspective view of a battery core of the battery protection layer of the bluetooth headset according to the present invention.

Fig. 3 is a sectional view of the battery protection layer of the bluetooth headset of the present invention, wherein the protrusion and the protection layer are integrally formed, and the gap has a shape of an upward protrusion inside the protection layer 3.

Fig. 4 is a sectional view of the battery protection layer of the bluetooth headset according to the present invention, in which the protrusions are separately formed without being integrally formed with the protection layer, and the gaps are formed such that the bottom of the protection layer is relatively parallel to the PCB.

Names of the corresponding components or flow names represented by numerals or letters in the drawings: 1, a PCB (printed Circuit Board), 11, a positive lead and 12, a negative lead; 2. the battery cell comprises a battery cell, 21, a positive electrode tab and 22, a negative electrode tab; 3. protective layer, 31, projection, 32, gap; 4. pasting a film layer; 5. an insulating protective sheet.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples. The method comprises the following specific steps:

detailed description of the invention

As shown in fig. 1-3, a bluetooth headset battery protection layer, including PCB board 1, electric core 2 and protection layer 3, PCB board 1 and electric core 2 are relatively overlapped, protection layer 3 wraps up PCB board 1 and the one end that PCB board 1 and electric core 2 are connected, protection layer 3, the one end that PCB board 1 and electric core 2 are connected forms the space that is relatively sealed, be equipped with at the top of protection layer 3 and prevent that the extrusion plays cushioning effect's arch 31, also preset the space 32 that prevents the extrusion and play cushioning effect between protection layer 3 and PCB board 1.

Specifically, the protective layer 3 is integrally formed, and the protrusion 31 is separately disposed on top of the protective layer 3, or the protrusion 31 and the protective layer 3 are integrally formed. The projection 31 and the protective layer 3 are integrally formed in this embodiment, as shown in fig. 3.

Specifically, the protective layer 3 and the protrusion 31 are made of elastic plastic. In this example, polyamide hot melt adhesive.

Specifically, the shape of the gap 32 is a shape that protrudes upward inside the protective layer 3, or the bottom of the protective layer 3 and the PCB are relatively parallel to form the gap 32. The shape of the void 32 in this embodiment is a shape that protrudes upward inside the protective layer 3, as shown in fig. 3.

Specifically, the battery cell 2 is provided with a positive electrode tab 21 and a negative electrode tab 22.

Specifically, the PCB board 1 is provided with a positive electrode lead 11 and a negative electrode lead 12 which are connected to the positive electrode tab 21 and the negative electrode tab 22, and the positive electrode lead 11 and the negative electrode lead 12 are exposed to the outside through the protective layer 3.

Specifically, the insulating protective sheets 5 for preventing short circuits are provided on both ends of the positive electrode lead 11 and the negative electrode lead 12. The insulating protective sheet 5 in this embodiment is a paper sheet, but may be other protective sheets having an insulating function, such as a plastic sheet.

Specifically, a film pasting layer 4 is arranged at the bottom of the other end of the battery cell 2 connected with the PCB board 1 and the battery cell 2. The protective layer 3 surrounds the whole body of the battery cell 2, the bottom edge of the protective layer 3 is flush with the bottom edge of the battery cell 2, and the film pasting layer 4 and the protective layer 3 form a relatively sealed space.

Detailed description of the invention

The second embodiment is basically the same as the first embodiment, and the main differences are as follows: (1) the bumps 31 are provided separately on top of the protective layer 3, as shown in fig. 4. (2) The bottom of the protective layer 3 and the PCB are relatively parallel forming a void 32 as shown in figure 4.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A bluetooth headset battery protection layer which characterized in that: including PCB board (1), electric core (2) and protective layer (3), PCB board (1) with electric core (2) superposes relatively, protective layer (3) parcel PCB board (1) and PCB board (1) with the one end that electric core (2) are connected, protective layer (3) PCB board (1) and PCB board (1) with the one end that electric core (2) are connected forms relative sealed space the top of protective layer (3) is equipped with prevents that the extrusion from playing cushioning effect's arch (31) protective layer (3) with also preset between PCB board (1) and prevent that the extrusion from playing cushioning effect's space (32).

2. The bluetooth headset battery protection layer of claim 1, wherein: the protective layer (3) is integrally formed, and the protrusion (31) is independently arranged at the top of the protective layer (3), or the protrusion (31) and the protective layer (3) are integrally formed.

3. The bluetooth headset battery protection layer of claim 2, wherein: the protective layer (3) and the bulges (31) are made of elastic plastic.

4. The bluetooth headset battery protection layer of claim 1, wherein: the gap (32) is in a shape that the inside of the protective layer (3) protrudes upwards, or the bottom of the protective layer (3) and the PCB are relatively parallel to form the gap (32).

5. The bluetooth headset battery protection layer of claim 1, wherein: and the battery cell (2) is provided with a positive pole lug (21) and a negative pole lug (22).

6. The bluetooth headset battery protection layer of claim 5, wherein: the PCB is characterized in that a positive lead (11) and a negative lead (12) which are matched and connected with the positive pole lug (21) and the negative pole lug (22) are arranged on the PCB (1), and the positive lead (11) and the negative lead (12) penetrate through the protective layer (3) and are relatively exposed to the outside.

7. The bluetooth headset battery protection layer of claim 6, wherein: and insulating protective sheets (5) for preventing short circuit are arranged at the end parts of the positive lead (11) and the negative lead (12).

8. The bluetooth headset battery protection layer of claim 7, wherein: the insulation protection sheet (5) is a paper sheet.

9. The bluetooth headset battery protection layer of any one of claims 1-8, wherein: and a film pasting layer (4) is arranged at the bottom of the other end of the electric core (2) connected with the PCB (1) and the electric core (2).

10. The bluetooth headset battery protection layer of claim 8, wherein: the protective layer (3) surrounds the whole body of the battery cell (2), the bottom edge of the protective layer (3) is flush with the bottom edge of the battery cell (2), and the film pasting layer (4) and the protective layer (3) form a relatively sealed space.