CN108882124A - A kind of electronic equipment - Google Patents

Abstract

The present invention provides a kind of electronic equipment, including the shell with accommodating space and is contained in the first printed circuit board, the second printed circuit board, the first loudspeaker monomer and the second loudspeaker monomer of the accommodating space；The accommodating space includes the first space and second space, and first space is space of first printed circuit board between the cover board of the shell, and the second space is space of second printed circuit board between the cover board of the shell；First loudspeaker monomer and second loudspeaker monomer interval are arranged, and the back cavity of first loudspeaker monomer includes first space, and the back cavity of the second loudspeaker monomer includes the second space.The present invention improves the utilization rate of accommodating space in electronic equipment.

Description

an electronic device

technical field

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

Background technique

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

At least two loudspeaker modules and various stacked devices are accommodated in the casing with accommodating space in the electronic equipment, and the at least two loudspeaker modules emit sound together to form stereo sound. The volume of the loudspeaker module in the existing electronic equipment is large, occupying a large proportion in the limited storage space of the electronic equipment, and there is a problem of low utilization rate of the storage space in the electronic equipment.

Contents of the invention

An embodiment of the present invention provides an electronic device to solve the problem of low utilization rate of storage space in the electronic device.

In order to solve the problems of the technologies described above, the present invention is achieved in that:

An embodiment of the present invention provides an electronic device, which includes a casing having a receiving space, and a first printed circuit board, a second printed circuit board, a first speaker unit, and a second speaker unit accommodated in the receiving space; The receiving space includes a first space and a second space, the first space is the space between the first printed circuit board facing the cover plate of the housing, and the second space is the second space The printed circuit board faces the space between the cover plates of the housing; the first speaker unit is spaced apart from the second speaker unit, and the rear cavity of the first speaker unit includes the first speaker unit space, the rear cavity of the second loudspeaker unit includes the second space.

In the embodiment of the present invention, the electronic device includes a housing with a receiving space, and a first printed circuit board, a second printed circuit board, a first speaker unit and a second speaker unit accommodated in the receiving space; The accommodation space includes a first space and a second space, the first space is the space between the first printed circuit board facing the cover plate of the housing, and the second space is the space between the second printed circuit board The board faces the space between the cover plate of the housing; the first speaker unit is spaced apart from the second speaker unit, and the rear cavity of the first speaker unit includes the first space, The rear cavity of the second loudspeaker unit includes the second space. In this way, by using part of the space inside the electronic device as the rear cavity of the speaker, there is no need to separately set up a rear cavity for the speaker, and the volume occupied by the speaker in the limited storage space of the electronic device is reduced, thereby leaving more installation space for other electronic devices. Space, improve the utilization rate of the storage space in the electronic equipment.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention;

Fig. 2 is the sectional view of A-A line among Fig. 1;

FIG. 3 is a schematic structural diagram of another electronic device provided by an embodiment of the present invention;

Fig. 4 is the sectional view of B-B line among Fig. 3;

FIG. 5 is a schematic structural diagram of another electronic device provided by an embodiment of the present invention;

Fig. 6 is the sectional view of line C-C among Fig. 5;

FIG. 7 is a schematic structural diagram of another electronic device provided by an embodiment of the present invention;

Fig. 8 is the sectional view of D-D line in Fig. 7;

FIG. 9 is a schematic diagram of an installation structure of a first speaker unit in another electronic device provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to FIG. 1 and FIG. 2 at the same time. An embodiment of the present invention provides an electronic device, including a housing 110 with a storage space, and a first printed circuit board 120, a second printed circuit board 130, and The first speaker unit 140 and the second speaker unit 150; the accommodation space includes a first space 210 and a second space 220, and the first space 210 is where the first printed circuit board 120 faces the housing 110, the second space 220 is the space between the second printed circuit board 130 facing the cover of the housing 110; the first speaker unit 140 and the The second speaker units 150 are arranged at intervals, 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 .

By using part of the space inside the electronic device as the rear cavity of the speaker, there is no need to set up a rear cavity for the speaker separately, and the volume occupied by the speaker in the limited storage space of the electronic device is reduced, thereby leaving more installation space for other electronic devices. Improve the utilization rate of the storage space in the electronic equipment.

There are at least two speaker units in the electronic device, and the two speaker units are respectively arranged at different positions, wherein one speaker unit is used to output the sound of the left channel, and the other speaker unit is used to output the sound of the right channel , so that at least two speaker units jointly output stereo sound. In this embodiment, one of the first speaker unit 140 and the second speaker unit 150 outputs the sound of the left channel, and the other outputs the sound of the 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 is electrically connected to the second printed circuit board 130, and the second speaker unit 150 is electrically connected to the first printed circuit board 120, which is not limited in the present invention. .

In this embodiment, the first space 210 is the space between the first printed circuit board 120 facing the cover plate of the housing 110 , and the sealing foam can be passed between the first printed circuit board 120 and the cover plate of the housing 110 or sealant for sealing connection, so that the sealing connection, the first printed circuit board 120, the cover plate of the housing 110 and the rear side of the first loudspeaker unit 140 jointly enclose a first space 210, and the first space 210 serves as the first A rear cavity of the speaker unit 140 . Facing in the embodiment of the present invention can be facing directly or obliquely. For example, the space where the first printed circuit board 120 faces the cover plate of the housing 110 can be understood as the first printed circuit board 120 facing the housing. The space of the cover plate of the body 110 may also be understood as the space of the cover plate of the first printed circuit board 120 obliquely facing the housing 110 .

Similarly, the second space 220 is the space between the second printed circuit board 130 facing the cover plate of the housing 110 , and the sealing foam or sealing can be used between the second printed circuit board 130 and the cover plate of the housing 110 . Glue is used for sealing connection, so that the sealing connection, the second printed circuit board 130, the cover plate of the housing 110 and the rear side of the second speaker unit 150 jointly form a second space 220, and the second space 220 serves as the second speaker. The rear chamber of the monomer 150.

It should be noted that the front side of the first speaker unit 140 is the side of the first speaker unit 140 facing its front cavity, and the rear side of the first speaker unit 140 is the side of the first speaker unit 140 facing its rear cavity. One side; the front side of the second speaker unit 150 is the side of the second speaker unit 150 facing its front cavity, and the rear side of the second speaker unit 150 is the side of the second speaker unit 150 facing its rear cavity . In addition, the cover plate in the embodiment of the present invention can be the front cover of the housing 110 of the electronic device, and can also be the rear cover of the housing 110. The figures in the embodiment of the present invention only illustrate the rear cover, but should not This is the limit.

In this embodiment, the first speaker unit 140 and the second speaker unit 150 are respectively arranged on 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 arranged at intervals on the top/bottom of the electronic device, or at other different positions, which is not limited in the present invention. In this embodiment, the loudspeaker module installed on the top in the prior art is replaced with a smaller-sized single loudspeaker, thereby making room for electronic equipment to install infrared sensors, cameras and other components on the top.

By using part of the space inside the electronic device as the rear cavity of the speaker, there is no need to set up a rear cavity for the speaker separately, and the volume occupied by the speaker in the limited storage space of the electronic device is reduced, thereby leaving more installation space for other electronic devices. Improve the utilization rate of the storage space in the electronic equipment.

Optionally, a battery 160 is disposed in the receiving 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 arranged on the top side of the battery 160, and the second speaker unit 150 and the second printed circuit board 130 are both arranged on the bottom side of the battery 160. On the side, as shown in FIG. 1 , the distance between the two loudspeakers on the electronic device is maximized to avoid mutual interference between the sound of the left channel and the sound of the right channel, thereby improving the stereo effect of the output of the electronic device.

Optionally, please refer to FIG. 3 and FIG. 4, the accommodating space further includes a third space 230, the third space 230 is the space between the cover plates of the battery 160 facing the housing 110, so A first seal 171 and a second seal 172 are also provided in the receiving space, wherein the first seal 171 is arranged between the first space 210 and the third space 230, and the second The seal 172 is disposed between the second space 220 and the third space 230 .

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

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

Since the battery 160 will generate heat during the operation of the electronic device, in order to avoid heat damage to the first sealing member 171 and the second sealing member 172, both the first sealing member 171 and the second sealing member 172 are spaced apart from the battery 160, That is, the first sealing member 171 is arranged in the gap between the battery 160 and the first printed circuit board 120, and the second sealing member 172 is arranged in the gap between the battery 160 and the second printed circuit board 130, so that the first speaker unit The airtightness of the rear cavity of the body 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 .

Since a lot of electronic devices need to be arranged in the limited storage space of electronic equipment, and the arrangement density of the devices in the storage space is high, the gap between the first printed circuit board 120 and the first sealing member 171 is very small. As a part of the back cavity of the first speaker unit 140 , the gap has negligible impact on the sound, and the impact of the back cavity of the first speaker unit 140 on the sound mainly depends on the volume of the first space 210 . Similarly, the gap between the second printed circuit board 130 and the second sealing member 172 is also very small, and the impact of the rear cavity of the second speaker unit 150 on the sound mainly depends on the volume 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 from the first speaker unit 140 is balanced with the sound from the second speaker unit 150, and the balance of the stereo sound from the electronic device is improved. Effect.

In the embodiment of the present invention, both the first sealing member 171 and the second sealing member 172 are foam. Foam has the characteristics of good elasticity, light weight, good flexibility, thin volume and good sealing performance. The foam can not only ensure the sealing performance but also reduce the weight of electronic equipment, and reduce the difficulty of sealing and installing electronic equipment.

Optionally, please refer to FIG. 5 and FIG. 6 at the same time, the accommodating space further includes a third space 230, the third space 230 is the space between the cover plates of the battery 160 facing the casing 110, The third space 230 is provided with a third sealing member 173, and the third sealing member 173 is used to divide the third space 230 into a first subspace 231 and a second subspace 232 isolated from each other. The first subspace 231 communicates with the first space 210 , and the second subspace 232 communicates with the second space 220 .

In the embodiment shown in FIG. 6 , the third sealing member 173 is arranged on the side of the battery 160 facing the cover plate of the housing 110, and the third sealing member 173 is respectively connected to the cover plate of the housing 110 and the battery in a sealed manner, so that the The third space 230 is divided into a first subspace 231 and a second subspace 232 . Since the battery 160 generates heat when the electronic device is in operation, the third sealing member 173 needs to have better heat resistance, and the material of the third sealing member 173 can be high temperature resistant materials such as silica gel and butyl rubber.

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 the second subspace 232 , and the second subspace 232 . By arranging the third sealing member 173 on the battery 160, the rear chambers of the first speaker unit 140 and the second speaker unit 150 are increased with a part of the third space 230, thereby increasing the size of the first speaker unit 140 and the second speaker unit 150. The volume of the rear cavity of the second speaker unit 150 not only improves the utilization rate of the storage space in the electronic device, but also optimizes the stereo sound quality of the electronic device.

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 .

Since a lot of electronic devices need to be arranged in the limited storage space of electronic equipment, and the arrangement density of the devices in the storage space is high, the gap between the first space 210 and the first sub-space 231 is very small. Part of the back cavity of the first speaker unit 140 has negligible impact on the sound, and the impact of the back cavity of the first speaker unit 140 on the sound mainly depends on the volumes of the first space 210 and the first sub-space 231 . Likewise, the influence of the rear cavity of the second speaker unit 150 on the sound mainly depends on the volumes 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 equal to that of the second speaker The sound from the monomer 150 is balanced to improve the balance effect of the stereo sound from the electronic equipment.

Optionally, please refer to FIG. 7 and FIG. 8 at the same time, the accommodating space includes a third space 230, the third space 230 is the space between the cover plates of the battery 160 facing the casing 110, so The first space 210, the second space 220 and the third space 230 communicate with each other.

In the embodiment shown in FIG. 8, the first space 210, the third space 230 and the second space 220 communicate with each other to form a sealed cavity, and the first speaker unit 140 and the second speaker unit 150 share the sealed cavity as a rear cavity. , The volume of the rear cavity of the two speaker units is the same, which improves the balance effect of the stereo sound emitted by the electronic equipment. In addition, the volume of the rear cavity of the two speaker units has been increased, which further improves the stereo sound quality of the electronic equipment.

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

The leakage hole is used to connect the rear cavity space of the first speaker unit 140 with the external space. The rear cavity of the first speaker unit 140 is subjected to diaphragm vibration, thermal expansion and contraction, etc., so that the rear cavity can be balanced when the air pressure in the rear cavity changes. The air pressure of the cavity ensures the high sound quality of the sound from the electronic equipment.

By arranging the leakage hole on the cover plate, and the position faces the gap between the first printed circuit board 120 and the battery 160, thereby avoiding blocking the leakage hole with a smaller diameter, further ensuring the sound quality of the electronic equipment. high sound quality.

Optionally, please refer to FIG. 2 again, the housing 110 is provided with a sound outlet, and a frame 180 is also provided in the receiving space, and a sound channel is provided in the frame 180, and the sound channel The first end of the first speaker communicates with the front cavity of the first speaker unit 140, and the second end of the sound outlet channel communicates with the sound outlet.

The front cavity of the first speaker unit 140 is a sound cavity, and the sound emitted by the front cavity is transmitted to the sound hole on the casing 110 through the sound channel in the frame body 180 to realize the sound output.

Please refer to FIG. 4 again, the first sealing member 171 is arranged in the gap between the battery 160 and the first printed circuit board 120 , and the second sealing member 172 is arranged in the gap between the battery 160 and the second printed circuit board 130 case, the frame body 180 may be provided with surrounding ribs located in the gap between the first printed circuit board 120 and the battery 160, and the gap between the second printed circuit board 130 and the battery 160, the first seal 171 and the second seal The part 172 is respectively sealed and connected to the surrounding frame and the cover plate to realize the sealing of the rear cavity of the first loudspeaker unit 140 and the second loudspeaker unit 150 .

Further, please refer to FIG. 9 , the first speaker unit 140 is located between the frame body 180 and the first printed circuit board 120 , and the first speaker unit 140 and the outer surface of the frame body 180 Surface sealing connection, the first speaker unit 140 is in sealing connection with the outer surface of the first printed circuit board 120 .

When the first speaker unit 140 is not installed, the first space 210 is connected to the sound channel, and the first speaker unit 140 is sealed between the frame body 180 and the first printed circuit board 120, thereby separating the The first space 210 and the sound output channel form a front cavity space and a rear cavity space separated from each other by the first speaker unit 140 . In the embodiment of the present invention, the arrangement of the speaker unit is simple, which facilitates the fixed installation of the speaker unit.

When the distance between the frame body 180 and the first printed circuit board 120 is large, the sealed connection between the first loudspeaker unit 140 and the frame body 180 can be realized by means of foam.

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

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can easily think of changes or replacements within the technical scope disclosed in the present invention, and should cover Within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (11)

1. An electronic device, characterized in that it comprises a housing with a housing space, and a first printed circuit board, a second printed circuit board, a first speaker unit and a second speaker unit accommodated in the housing space ; The accommodating space includes a first space and a second space, the first space is the space between the first printed circuit board facing the cover plate of the housing, and the second space is the first space Two printed circuit boards face the space between the cover plates of the housing; the first speaker unit is spaced apart from the second speaker unit, and the rear cavity of the first speaker unit includes the first speaker unit A space, the rear cavity of the second loudspeaker unit includes the second space. 2 . The electronic device according to claim 1 , wherein a battery is disposed in the receiving space, and the battery is located between the first printed circuit board and the second printed circuit board. 3 . 3. The electronic device according to claim 2, wherein the accommodating space further comprises a third space, the third space is a space between the cover plates of the battery facing the housing, so A first seal and a second seal are also provided in the receiving space, wherein the first seal is disposed between the first space and the third space, and the second seal is disposed between the between the second space and the third space. 4. The electronic device according to claim 3, wherein a volume of the first space is equal to a volume of the second space. 5. The electronic device according to claim 3, wherein the first sealing member and the second sealing member are foams. 6. The electronic device according to claim 2, wherein the accommodating space further comprises a third space, the third space is a space between the cover plates of the battery facing the housing, so A third sealing member is provided in the third space, and the third sealing member is used to divide the third space into a first subspace and a second subspace isolated from each other, and the first subspace is separated from the second subspace. The first space communicates, and the second subspace communicates with the second space. 7. The electronic device according to claim 6, 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. 8. The electronic device according to claim 1, wherein the accommodating space further comprises a third space, the third space is a space between the cover plates of the battery facing the housing, so The first space, the second space and the third space communicate with each other. 9. The electronic device according to claim 2, wherein a leakage hole is opened on the cover plate of the housing, and the leakage hole faces the gap between the first printed circuit board and the battery . 10. The electronic device according to any one of claims 1-9, characterized in that, the housing is provided with a sound outlet, and a frame is provided in the storage space, and an outlet is provided in the frame. A sound channel, the first end of the sound output channel communicates with the front cavity of the first speaker unit, and the second end of the sound output channel communicates with the sound output hole. 11. The electronic device according to claim 10, wherein the first speaker unit is located between the frame body and the first printed circuit board, and the first speaker unit and the frame The outer surface of the body is sealed and connected, and the first loudspeaker unit is sealed and connected with the outer surface of the first printed circuit board.