CN217239649U

CN217239649U - Battery pack and intelligent earphone

Info

Publication number: CN217239649U
Application number: CN202220343282.5U
Authority: CN
Inventors: 彭久高; 吴海全; 辛元发; 师瑞文; 张志军; 张传奇
Original assignee: Shenzhen Grandsun Electronics Co Ltd; Shenzhen Feikedi System Development Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd; Shenzhen Feikedi System Development Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-19
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a battery pack and an intelligent earphone, which comprises a shell and a battery pack, wherein the shell is provided with a holding cavity, the bottom surface of the holding cavity comprises a first cambered surface, and two opposite surfaces of the shell comprise a second cambered surface; the battery pack comprises at least one battery, the batteries are electrically connected with each other, the battery pack is positioned in the accommodating cavity, and a low-pressure molded injection molding part is filled between the battery pack and the inner surface of the accommodating cavity. The utility model discloses a battery pack can make battery and casing stable connection, and the battery is difficult to not hard up.

Description

Battery pack and intelligent earphone

Technical Field

The utility model relates to an intelligence earphone technical field especially relates to a battery pack and intelligent earphone.

Background

A headset usually comprises a head beam, which usually has elasticity, and two loudspeakers, which are arranged to abut against the two ears, respectively, via the head beam when the headset is in use. For adapting to different head types and different ear positions, the two loudspeakers can be connected with the head beam through a telescopic structure, so that the positions of the loudspeakers can be adjusted in a telescopic mode.

In the related art, the telescopic structure includes a case, and a head-mounted smart headset may mount a battery in the case, thereby implementing autonomous power supply. However, in order to match with the overall shape of the earphone, the housing of the telescopic structure is arc-shaped, and in addition, in order to reduce the volume, the inner surface of the housing is also arc-shaped, and the battery is generally square, so that the connection between the battery and the housing is unstable, and the battery is easy to loosen.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery pack can make battery and casing stable connection, and the battery is difficult to not hard up.

The utility model discloses still provide an intelligent earphone with above-mentioned battery pack.

According to the utility model discloses a battery pack of first aspect embodiment includes:

the bottom surface of the accommodating cavity comprises a first cambered surface, and two opposite surfaces of the shell comprise second cambered surfaces;

the battery pack comprises at least one battery, the batteries are electrically connected, the battery pack is located in the accommodating cavity, and a low-pressure molded injection molding piece is filled between the battery pack and the inner surface of the accommodating cavity.

According to the utility model discloses battery pack has following beneficial effect at least: the bottom surface of the accommodating cavity comprises a first cambered surface, and two opposite surfaces of the shell comprise second cambered surfaces, so that the shape requirement can be met; on this basis, pack between the internal surface in group battery and holding chamber and have the fashioned injection molding of low pressure, the injection molding cooling back, the clearance between the internal surface in group battery and holding chamber is filled up, and the battery is difficult not hard up, and the injection molding can play the effect of bonding in addition, and the battery is more difficult to become flexible.

According to some embodiments of the utility model, still include the battery protection shield, each the battery is equipped with positive pole and negative pole, each the battery the positive pole with the negative pole all with the battery protection shield electricity is connected, the injection molding parcel the battery protection shield.

According to some embodiments of the utility model, the battery is equipped with two, two the battery is equipped with positive pole with the one end of negative pole is drawn close the setting mutually, just the battery protection shield is located two between the battery, the injection molding parcel battery protection shield and two the battery one end.

According to the utility model discloses a some embodiments still include flexible circuit board, flexible circuit board's one end with the battery protection shield electricity is connected, flexible circuit board's the other end is located the holding is extraventricular.

According to the utility model discloses a some embodiments, the casing still is equipped with the hole of moulding plastics, the hole intercommunication of moulding plastics the holding chamber with the external world.

According to some embodiments of the utility model, the casing includes drain pan and upper cover, the drain pan is equipped with the storage tank, upper cover detachably is fixed in the drain pan, just the upper cover orientation the surface of drain pan with the storage tank forms the holding chamber.

According to some embodiments of the invention, the upper cover is fixed with the drain pan joint.

According to some embodiments of the utility model, still include the blotter, elastic deformation can take place for the blotter, each two surfaces that the area of battery is the biggest all laminate and have the blotter.

According to some embodiments of the invention, the material of the bumper pad is foam.

According to the utility model discloses an intelligence earphone of second aspect embodiment, including foretell battery pack.

According to the utility model discloses intelligent earphone has following beneficial effect at least: through using foretell battery pack, the battery is stably connected with the casing, and the battery is difficult not hard up, is favorable to prolonging the life of intelligent earphone from this.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a perspective view of a battery module according to an embodiment of the present invention;

fig. 2 is an exploded view of the battery assembly of fig. 1;

FIG. 3 is a top view of the battery assembly of FIG. 1;

fig. 4 is a sectional view of the battery assembly of fig. 3 taken along section a-a.

Reference numerals: the plastic injection molding device comprises a shell 100, a bottom shell 110, a protrusion 111, an injection molding hole 112, a containing groove 113, an upper cover 120, a clamping groove 121, a containing cavity 130, a first cambered surface 131 and a second cambered surface 141;

a cushion 200;

battery pack 300, battery 310, positive electrode 311, negative electrode 312;

a battery protection plate 400;

a flexible circuit board 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 4, a battery pack according to an embodiment of a first aspect of the present invention includes a case 100 and a battery pack 300. The housing 100 is provided with a receiving cavity 130, a bottom surface of the receiving cavity 130 includes a first arc surface 131 (refer to fig. 2), and two opposite surfaces of the housing 100 include second arc surfaces 141 (refer to fig. 1 and 4). The battery pack 300 comprises at least one battery 310, the batteries 310 are electrically connected with each other, the battery pack 300 is located in the accommodating cavity 130, and a low-pressure molded injection molding part is filled between the battery pack 300 and the inner surface of the accommodating cavity 130.

According to the utility model discloses battery pack has following beneficial effect at least: the bottom surface of the accommodating cavity 130 comprises a first cambered surface 131, and two opposite surfaces of the shell 100 comprise a second cambered surface 141, so that the shape requirement can be met; on this basis, the injection molding piece formed by low pressure is filled between the battery pack 300 and the inner surface of the accommodating cavity 130, after the injection molding piece is cooled, the gap between the battery pack 300 and the inner surface of the accommodating cavity 130 is filled, the battery 310 is not easy to loosen, in addition, the injection molding piece can play a role in bonding, and the battery 310 is not easy to loosen.

Specifically, the material of the injection molding piece is epoxy resin. The number of batteries 310 may be 2, 3, 4, or other numbers.

Referring to fig. 2 and 4, in some embodiments of the present invention, the battery assembly further includes a battery protection plate 400, each battery 310 is provided with a positive electrode 311 and a negative electrode 312, the positive electrode 311 and the negative electrode 312 of each battery 310 are electrically connected to the battery protection plate 400, and the injection molding member wraps the battery protection plate 400.

Therefore, the battery protection plate 400 has good waterproof and dustproof performances, and the battery protection plate 400 is not easy to lose effectiveness. The battery protection plate 400 is a circuit board having overcharge and short circuit prevention functions.

Referring to fig. 2 and 4, in a further embodiment of the present invention, two batteries 310 are provided, one ends of the two batteries 310 provided with the positive electrode 311 and the negative electrode 312 are disposed close to each other, and the battery protection plate 400 is located between the two batteries 310, and the injection molding wraps the battery protection plate 400 and one ends of the two batteries 310.

At this time, the battery protection plate 400 and the positive electrodes 311 and the negative electrodes 312 of the two batteries 310 are wrapped by injection molding parts, the battery protection plate 400 and the positive electrodes 311 and the negative electrodes 312 of the two batteries 310 are not easily corroded by water vapor, and the electrical connection between the battery protection plate 400 and the two batteries 310 is not easily failed.

Referring to fig. 2 and 4, in a further embodiment of the present invention, the battery assembly further includes a flexible circuit board 500, one end of the flexible circuit board 500 is electrically connected to the battery protection plate 400, and the other end of the flexible circuit board 500 is located outside the accommodating cavity 130.

Thus, the battery pack 300 may conveniently supply power to other electronic devices.

Referring to fig. 2, in some embodiments of the present invention, the casing 100 is further provided with an injection hole 112, and the injection hole 112 communicates the accommodating cavity 130 with the outside.

Therefore, glue can be conveniently injected into the accommodating cavity 130 through the injection molding hole 112, and low-pressure molding is completed.

Specifically, the injection molding hole 112 is located between the two batteries 310, and the battery protection plate 400 and the positive electrodes 311 and the negative electrodes 312 of the two batteries 310 are opposite to the injection molding hole 112 and can be well coated, so that the sealing requirement is met.

Referring to fig. 2, in some embodiments of the present invention, the housing 100 includes a bottom shell 110 and an upper cover 120, the bottom shell 110 is provided with a receiving groove 113, the upper cover 120 is detachably fixed to the bottom shell 110, and a surface of the upper cover 120 facing the bottom shell 110 and the receiving groove 113 form a receiving cavity 130.

Therefore, after the bottom case 110 is manufactured, the battery pack 300 and the battery protection plate 400 can be conveniently placed in the receiving groove 113, and after the upper cover 120 is fixed, the assembly of the housing 100 is completed, thereby facilitating the assembly of the battery assembly.

Referring to fig. 2, in a further embodiment of the present invention, the upper cover 120 is fixed to the bottom housing 110 by a snap fit. At this time, the upper cover 120 and the bottom case 110 can be quickly mounted and fixed without using other tools, thereby advantageously reducing the assembly time of the battery assembly.

Specifically, the bottom housing 110 is provided with a protrusion 111, the upper cover 120 is provided with a clamping groove 121, and after the upper cover 120 is covered on the bottom housing 110, the protrusion 111 is inserted into the clamping groove 121, so as to complete the clamping fixation of the upper cover 120 and the bottom housing 110.

Referring to fig. 2 and 4, in some embodiments of the present invention, the battery assembly further includes a buffer pad 200, the buffer pad 200 is elastically deformable, and the buffer pad 200 is attached to both surfaces of each battery 310 having the largest area.

Therefore, the cushion pad 200 is attached before glue injection, so that the gap between the battery pack 300 and the inner surface of the accommodating cavity 130 can be effectively reduced, and the amount of glue is reduced. In addition, when the battery assembly vibrates, the buffer pad 200 may prevent the battery pack 300 from directly colliding with the case 100, and the buffer pad 200 may absorb kinetic energy of the case 100, thereby reducing the probability of electrical connection failure of the batteries 310.

In a further embodiment of the present invention, the material of the bumper pad 200 is foam. The foam has the characteristics of good elasticity, low density and quick pressure-sensitive fixation, thereby being beneficial to the quick installation of the plurality of batteries 310 in the accommodating groove 113 and reducing the weight of the battery assembly.

With reference to fig. 2 and 4 properly, the intelligent earphone according to the embodiment of the present invention has at least the following advantages: by using the battery assembly, the battery 310 is stably connected with the housing 100, and the battery 310 is not easy to loosen, thereby being beneficial to prolonging the service life of the intelligent headset.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims

1. A battery assembly, comprising:

the device comprises a shell, a first clamping piece and a second clamping piece, wherein the shell is provided with an accommodating cavity, the bottom surface of the accommodating cavity comprises a first cambered surface, and two opposite surfaces of the shell comprise second cambered surfaces;

2. The battery pack of claim 1, further comprising a battery protection plate, each of the batteries having a positive electrode and a negative electrode, the positive electrode and the negative electrode of each of the batteries being electrically connected to the battery protection plate, the injection molded part encapsulating the battery protection plate.

3. The battery pack of claim 2, wherein there are two of said batteries, the ends of two of said batteries having said positive and said negative electrodes are disposed close together, and said battery protection plate is disposed between said two of said batteries, said injection molded part covering said battery protection plate and said ends of said two of said batteries.

4. The battery pack of claim 2, further comprising a flexible circuit board, wherein one end of the flexible circuit board is electrically connected to the battery protection board, and the other end of the flexible circuit board is located outside the accommodating cavity.

5. The battery pack of claim 1, wherein the housing further comprises an injection hole, and the injection hole communicates the accommodating cavity with the outside.

6. The battery assembly according to claim 1, wherein the housing comprises a bottom shell and an upper cover, the bottom shell is provided with a receiving groove, the upper cover is detachably fixed to the bottom shell, and a surface of the upper cover facing the bottom shell and the receiving groove form the receiving cavity.

7. The battery pack of claim 6, wherein the top cover is snap-fit to the bottom housing.

8. The battery pack of claim 1, further comprising a cushion that is elastically deformable, wherein the cushion is attached to each of two surfaces of each of the batteries having the largest area.

9. The battery assembly of claim 8, wherein the cushion is made of foam.

10. Smart headset characterized in that it comprises a battery assembly according to any one of claims 1 to 9.