CN108882124B

CN108882124B - Electronic equipment

Info

Publication number: CN108882124B
Application number: CN201810698692.XA
Authority: CN
Inventors: 程心坤; 王志远
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2021-02-19
Anticipated expiration: 2038-06-29
Also published as: CN108882124A; WO2020001382A1

Abstract

The invention provides electronic equipment, which comprises a shell with an accommodating space, a first printed circuit board, a second printed circuit board, a first loudspeaker single body and a second loudspeaker single body, wherein the first printed circuit board, the second printed circuit board, the first loudspeaker single body and the second loudspeaker single body are accommodated in the accommodating space; the accommodating space comprises a first space and a second space, the first space is a space between the first printed circuit board and the cover plate of the shell, and the second space is a space between the second printed circuit board and the cover plate of the shell; the first loudspeaker unit and the second loudspeaker unit are arranged at intervals, the rear cavity of the first loudspeaker unit comprises the first space, and the rear cavity of the second loudspeaker unit comprises the second space. The invention improves the utilization rate of the accommodating space in the electronic equipment.

Description

Electronic equipment

Technical Field

The present invention relates to the field of electronic technologies, and in particular, to an electronic device.

Background

With the intelligentization of electronic devices and the increasing abundance of application functions on electronic devices, electronic devices are becoming important choices for users not only for communication devices but also for entertainment activities such as listening to music and watching movies. In these entertainment activities, the electronic device may create a stereo sound atmosphere for the user by emitting stereo sound.

At least two speaker modules and various stacked devices are accommodated in a shell with an accommodating space in the electronic equipment, and the at least two speaker modules generate sound together to form stereo. The loudspeaker module in the existing electronic equipment has large volume, occupies a large proportion in the limited accommodating space of the electronic equipment, and has the problem of low utilization rate of the accommodating space in the electronic equipment.

Disclosure of Invention

The embodiment of the invention provides electronic equipment, which aims to solve the problem of low utilization rate of a containing space in the electronic equipment.

In order to solve the technical problem, the invention is realized as follows:

the embodiment of the invention provides electronic equipment, which comprises a shell with an accommodating space, a first printed circuit board, a second printed circuit board, a first loudspeaker single body and a second loudspeaker single body, wherein the first printed circuit board, the second printed circuit board, the first loudspeaker single body and the second loudspeaker single body are accommodated in the accommodating space; the accommodating space comprises a first space and a second space, the first space is a space between the first printed circuit board and the cover plate of the shell, and the second space is a space between the second printed circuit board and the cover plate of the shell; the first loudspeaker unit and the second loudspeaker unit are arranged at intervals, the rear cavity of the first loudspeaker unit comprises the first space, and the rear cavity of the second loudspeaker unit comprises the second space.

In the embodiment of the invention, the electronic equipment comprises a shell with an accommodating space, a first printed circuit board, a second printed circuit board, a first loudspeaker single body and a second loudspeaker single body, wherein the first printed circuit board, the second printed circuit board, the first loudspeaker single body and the second loudspeaker single body are accommodated in the accommodating space; the accommodating space comprises a first space and a second space, the first space is a space between the first printed circuit board and the cover plate of the shell, and the second space is a space between the second printed circuit board and the cover plate of the shell; the first loudspeaker unit and the second loudspeaker unit are arranged at intervals, the rear cavity of the first loudspeaker unit comprises the first space, and the rear cavity of the second loudspeaker unit comprises the second space. Therefore, the partial space inside the electronic equipment is used as the rear cavity of the loudspeaker, the rear cavity does not need to be separately arranged for the loudspeaker, the volume occupied by the loudspeaker in the limited accommodating space of the electronic equipment is reduced, more installation space is reserved for other electronic devices, and the utilization rate of the accommodating space in the electronic equipment is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of another electronic device according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a schematic structural diagram of another electronic device according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;

fig. 7 is a schematic structural diagram of another electronic device according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;

fig. 9 is a schematic view of an installation structure of a first speaker unit in another electronic device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, an electronic device according to an embodiment of the present invention includes a housing 110 having an accommodating space, and a first printed circuit board 120, a second printed circuit board 130, a first speaker unit 140, and a second speaker unit 150 accommodated in the accommodating space; the receiving space includes a first space 210 and a second space 220, the first space 210 is a space between the cover plates of the first pcb 120 facing the housing 110, and the second space 220 is a space between the cover plates of the second pcb 130 facing the housing 110; the first speaker unit 140 and the second speaker unit 150 are spaced apart from each other, the rear cavity of the first speaker unit 140 includes the first space 210, and the rear cavity of the second speaker unit 150 includes the second space 220.

Through the backspace with inside partial space of electronic equipment as the speaker, need not to set up the backspace for the speaker alone, reduce the volume that the speaker occupied in the limited accommodating space of electronic equipment to reserve more installation space for other electron device, improve the utilization ratio of accommodating space in the electronic equipment.

The electronic equipment is internally provided with at least two loudspeaker units which are respectively arranged at different positions, wherein one loudspeaker unit is used for outputting the sound of a left sound channel, and the other loudspeaker unit is used for outputting the sound of a right sound channel, so that stereo sound is output by the at least two loudspeaker units together. In this embodiment, one of the first speaker unit 140 and the second speaker unit 150 outputs a sound of a left channel, and the other outputs a sound of a right channel.

In this embodiment, the first speaker unit 140 is electrically connected to the first printed circuit board 120, and the second speaker unit 150 is electrically connected to the second printed circuit board 130. In other embodiments, the first speaker unit 140 may be electrically connected to the second printed circuit board 130, and the second speaker unit 150 may be electrically connected to the first printed circuit board 120.

In this embodiment, the first space 210 is a space between the cover plates of the first printed circuit board 120 facing the housing 110, and the first printed circuit board 120 and the cover plate of the housing 110 may be hermetically connected by a sealing foam or a sealant, so that the hermetically connected space, the first printed circuit board 120, the cover plate of the housing 110, and the rear side of the first speaker unit 140 jointly enclose the first space 210, and the first space 210 serves as a rear cavity of the first speaker unit 140. The facing in the embodiment of the present invention may be a facing, or an oblique facing, for example: the space where the first printed circuit board 120 faces the cover plate of the housing 110 may be understood as a space where the first printed circuit board 120 faces the cover plate of the housing 110, and may also be understood as a space where the first printed circuit board 120 is inclined to the cover plate of the housing 110.

Similarly, the second space 220 is a space between the cover plates of the second printed circuit board 130 facing the housing 110, and the second printed circuit board 130 and the cover plate of the housing 110 may be hermetically connected by a sealing foam or a sealant, so that the hermetically connected second printed circuit board 130, the cover plate of the housing 110 and the rear side of the second speaker unit 150 together enclose the second space 220, and the second space 220 serves as a rear cavity of the second speaker unit 150.

Note that the front side of the first speaker unit 140 is a side of the first speaker unit 140 facing the front cavity of the first speaker unit 140, and the rear side of the first speaker unit 140 is a side of the first speaker unit 140 facing the rear cavity of the first speaker unit 140; the front side of the second speaker unit 150 is a side of the second speaker unit 150 facing the front cavity thereof, and the rear side of the second speaker unit 150 is a side of the second speaker unit 150 facing the rear cavity thereof. The cover plate in the embodiment of the present invention may be a front cover of the housing 110 of the electronic device, and may also be a rear cover of the housing 110.

In this embodiment, the first speaker unit 140 and the second speaker unit 150 are respectively disposed at the top and the bottom of the electronic device, as shown in fig. 1, in other embodiments of the present invention, the first speaker unit 140 and the second speaker unit 150 may be disposed at the top/the bottom of the electronic device at intervals, or may be disposed at different positions, which is not limited in this respect. This embodiment is through locating the speaker module replacement at the top among the prior art for the less speaker monomer of size to for devices such as electronic equipment at top installation infrared sensor, camera have let out the space.

Optionally, a battery 160 is disposed in the accommodating space, and the battery 160 is located between the first printed circuit board 120 and the second printed circuit board 130.

In this embodiment, the first speaker unit 140 and the first printed circuit board 120 are both disposed on one side of the top end of the battery 160, and the second speaker unit 150 and the second printed circuit board 130 are both disposed on one side of the bottom end of the battery 160, as shown in fig. 1, so that the distance between the two speaker units on the electronic device is the largest, the sound of the left channel and the sound of the right channel are prevented from interfering with each other, and the stereo effect of the output of the electronic device is improved.

Optionally, referring to fig. 3 and 4, the accommodating space further includes a third space 230, the third space 230 is a space between the cover plates of the battery 160 facing the housing 110, and a first sealing member 171 and a second sealing member 172 are further disposed in the accommodating space, wherein the first sealing member 171 is disposed between the first space 210 and the third space 230, and the second sealing member 172 is disposed between the second space 220 and the third space 230.

In the embodiment shown in fig. 4, a first sealing member 171 and a second sealing member 172 are disposed on the side of the battery 160 facing the cover plate of the housing 110, the first sealing member 171 is disposed on one end of the battery 160 close to the first speaker unit 140, and the second sealing member 172 is disposed on one end of the battery 160 close to the second speaker unit 150.

In the embodiment shown in fig. 4, the rear chamber of the first speaker unit 140 includes the first space 210 and a gap between the first space 210 and the first sealing member 171. Likewise, the rear chamber of the second speaker unit 150 includes a gap between the second space 220 and the second sealing 172.

Since the battery 160 generates heat during the operation of the electronic device, in order to avoid the damage of the first sealing member 171 and the second sealing member 172 caused by the heat, the first sealing member 171 and the second sealing member 172 are disposed at an interval from the battery 160, that is, the first sealing member 171 is disposed in the gap between the battery 160 and the first printed circuit board 120, and the second sealing member 172 is disposed in the gap between the battery 160 and the second printed circuit board 130, so as to achieve the sealing performance of the rear cavities of the first speaker unit 140 and the second speaker unit 150.

Further, the volume of the first space 210 is equal to the volume of the second space 220.

Because many electronic devices need to be arranged in the limited accommodating space of the electronic device, and the arrangement density between the devices in the accommodating space is high, the gap between the first printed circuit board 120 and the first sealing member 171 is small, the gap is used as a part of the rear cavity of the first speaker unit 140, the influence on sound is negligible, and the influence on sound by the rear cavity of the first speaker unit 140 mainly depends on the size of the first space 210. Similarly, the gap between the second printed circuit board 130 and the second sealing member 172 is small, and the influence of the rear cavity of the second speaker unit 150 on the sound is mainly determined by the size of the second space 220.

By designing the volume of the first space 210 to be equal to the volume of the second space 220, the sound emitted from the first speaker unit 140 is equalized with the sound emitted from the second speaker unit 150, and the balance effect of the stereo sound emitted from the electronic device is improved.

In the embodiment of the present invention, the first sealing member 171 and the second sealing member 172 are both made of foam. The foam has the characteristics of good elasticity, light weight, good bending property, thin volume and good sealing property, and the sealing property can be ensured and the weight of the electronic equipment can be lightened through the foam, so that the difficulty of sealing and installing the electronic equipment is reduced.

Optionally, referring to fig. 5 and fig. 6, the accommodating space further includes a third space 230, the third space 230 is a space between the cover plates of the battery 160 facing the housing 110, a third sealing member 173 is disposed in the third space 230, the third sealing member 173 is configured to divide the third space 230 into a first sub-space 231 and a second sub-space 232 that are separated from each other, the first sub-space 231 is communicated with the first space 210, and the second sub-space 232 is communicated with the second space 220.

In the embodiment shown in fig. 6, a third sealing member 173 is disposed at a side of the battery 160 facing the cover plate of the case 110, and the third sealing member 173 is hermetically connected to the cover plate of the case 110 and the battery, respectively, thereby dividing the third space 230 into a first subspace 231 and a second subspace 232. Since the battery 160 generates heat when the electronic device operates, the third sealing member 173 needs to have a good heat resistance, and the material of the third sealing member 173 may be a high temperature resistant material such as silicone rubber, butyl rubber, and the like.

In the embodiment shown in fig. 6, the rear cavity of the first speaker unit 140 includes a first space 210, a gap between the first space 210 and the first subspace 231, and the first subspace 231. The rear cavity of the second speaker unit 150 includes a second space 220, a gap between the second space 220 and a second subspace 232, and the second subspace 232. By disposing the third sealing member 173 on the battery 160, the rear cavities of the first speaker unit 140 and the second speaker unit 150 are partially provided with the third space 230, so that the volumes of the rear cavities of the first speaker unit 140 and the second speaker unit 150 are increased, the utilization ratio of the accommodating space in the electronic device is improved, and the tone quality of the stereo sound emitted by the electronic device is optimized.

Further, the sum of the volumes of the first subspace 231 and the first space 210 is equal to the sum of the volumes of the second subspace 232 and the second space 220.

Because many electronic devices need to be arranged in the limited accommodating space of the electronic device, and the arrangement density between the devices in the accommodating space is high, the gap between the first space 210 and the first subspace 231 is small, the space is used as a part of the rear cavity of the first speaker unit 140, the influence on sound is negligible, and the influence of the rear cavity of the first speaker unit 140 on sound is mainly determined by the volume sizes of the first space 210 and the first subspace 231. Likewise, the influence of the rear cavity of the second speaker unit 150 on the sound depends mainly on the volume sizes of the second space 220 and the second subspace 232.

By designing the sum of the volumes of the first space 210 and the first subspace 231 to be equal to the sum of the volumes of the second space 220 and the second subspace 232, the sound emitted by the first speaker unit 140 is equalized with the sound emitted by the second speaker unit 150, and the balance effect of the stereo sound emitted by the electronic device is improved.

Optionally, referring to fig. 7 and 8, the accommodating space includes a third space 230, the third space 230 is a space between the cover plates of the battery 160 facing the housing 110, and the first space 210, the second space 220 and the third space 230 are communicated with each other.

In the embodiment shown in fig. 8, the first space 210, the third space 230 and the second space 220 are communicated with each other to form a sealed cavity, the first speaker unit 140 and the second speaker unit 150 share the sealed cavity as a rear cavity, and the volumes of the rear cavities of the two speaker units are the same, so that the balance effect of stereo sound emitted by the electronic device is improved. In addition, the volumes of the rear cavities of the two loudspeaker units are increased, and the tone quality of stereo sound emitted by the electronic equipment is further improved.

Optionally, a leakage hole is formed on the cover plate of the housing 110, and the leakage hole faces a gap between the first printed circuit board 120 and the battery 160.

The leak hole is used for communicating the rear cavity space and the outer space of the first speaker unit 140, and the rear cavity of the first speaker unit 140 is subjected to vibration of a vibrating diaphragm, expansion with heat and contraction with cold and the like, so that the air pressure of the rear cavity can be balanced when the air pressure of the rear cavity changes, and the high tone quality of sound emitted by the electronic equipment is ensured.

The leakage hole is arranged on the cover plate, and the position faces to the gap between the first printed circuit board 120 and the battery 160, so that the leakage hole with a smaller caliber is prevented from being blocked, and high tone quality of sound emitted by the electronic equipment is further ensured.

Optionally, referring to fig. 2 again, the housing 110 is provided with a sound outlet, the accommodating space is further provided with a frame 180, a sound outlet channel is provided in the frame 180, a first end of the sound outlet channel is communicated with the front cavity of the first speaker unit 140, and a second end of the sound outlet channel is communicated with the sound outlet.

The front cavity of the first speaker unit 140 is a sound emitting cavity, and sound emitted from the front cavity is transmitted to the sound emitting hole on the housing 110 through the sound emitting channel in the frame 180, so that sound is emitted.

Referring to fig. 4 again, under the condition that the first sealing member 171 is disposed in the gap between the battery 160 and the first printed circuit board 120, and the second sealing member 172 is disposed in the gap between the battery 160 and the second printed circuit board 130, the frame 180 may be provided with a surrounding rib located in the gap between the first printed circuit board 120 and the battery 160, and the second sealing member 172 and the first sealing member 171 are respectively connected to the surrounding rib and the cover plate in a sealing manner, so as to seal the rear cavities of the first speaker unit 140 and the second speaker unit 150.

Further, referring to fig. 9, the first speaker unit 140 is located between the frame body 180 and the first printed circuit board 120, the first speaker unit 140 is connected to the outer surface of the frame body 180 in a sealing manner, and the first speaker unit 140 is connected to the outer surface of the first printed circuit board 120 in a sealing manner.

When the first speaker unit 140 is not disposed, the first space 210 is communicated with the sound outlet channel, and the first speaker unit 140 is hermetically disposed between the frame 180 and the first printed circuit board 120, so that the first space 210 and the sound outlet channel are isolated, and a front cavity space and a rear cavity space isolated from each other by the first speaker unit 140 are formed. In the embodiment of the invention, the loudspeaker single body is simple in arrangement mode, and is convenient for fixed installation of the loudspeaker single body.

When the distance between the frame 180 and the first printed circuit board 120 is large, the first speaker unit 140 and the frame 180 can be hermetically connected by the foam.

The electronic device in the embodiment of the present invention may include: at least one of a cell phone, a tablet computer, an electronic book reader, an MP3 player, an MP4 player, and a digital camera.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electronic device is characterized by comprising a shell with an accommodating space, a first printed circuit board, a second printed circuit board, a first loudspeaker single body and a second loudspeaker single body, wherein the first printed circuit board, the second printed circuit board, the first loudspeaker single body and the second loudspeaker single body are accommodated in the accommodating space; the accommodating space comprises a first space and a second space, the first space is a space between the first printed circuit board and the cover plate of the shell, and the second space is a space between the second printed circuit board and the cover plate of the shell; the first loudspeaker unit and the second loudspeaker unit are arranged at intervals, the rear cavity of the first loudspeaker unit comprises the first space, and the rear cavity of the second loudspeaker unit comprises the second space;

a battery is arranged in the accommodating space and is positioned between the first printed circuit board and the second printed circuit board;

the accommodating space further comprises a third space, and the third space is a space between the cover plates of the battery facing the shell;

a first sealing element and a second sealing element are further arranged in the accommodating space, wherein the first sealing element is arranged between the first space and the third space, the second sealing element is arranged between the second space and the third space, and the first sealing element and the second sealing element are arranged at intervals with the battery; or a third sealing element is arranged in the third space, the third sealing element is used for dividing the third space into a first subspace and a second subspace which are mutually separated, the first subspace is communicated with the first space, the second subspace is communicated with the second space, and the third sealing element is a heat-resistant sealing element; or the first space, the second space and the third space are communicated with each other;

arranging a third sealing piece on the battery, and adding a part of third space for the rear cavities of the first loudspeaker single body and the second loudspeaker single body, wherein the sum of the volumes of the first subspace and the first space is equal to the sum of the volumes of the second subspace and the second space;

a leakage hole is formed in a cover plate of the housing, and the leakage hole faces a gap between the first printed circuit board and the battery.

2. The electronic device of claim 1, wherein a volume of the first space is equal to a volume of the second space.

3. The electronic device of claim 1, wherein the first and second seals are each foam.

4. The electronic device according to any one of claims 1 to 3, wherein the housing has a sound outlet, the receiving space further has a frame, the frame has a sound outlet channel, a first end of the sound outlet channel is communicated with the front cavity of the first speaker unit, and a second end of the sound outlet channel is communicated with the sound outlet.

5. The electronic device of claim 4, wherein the first speaker unit is located between the frame and the first printed circuit board, the first speaker unit is hermetically connected to an outer surface of the frame, and the first speaker unit is hermetically connected to an outer surface of the first printed circuit board.