WO2022002054A1

WO2022002054A1 - Speaker assembly and electronic device

Info

Publication number: WO2022002054A1
Application number: PCT/CN2021/103115
Authority: WO
Inventors: 王程良; 阮清波
Original assignee: 维沃移动通信有限公司
Priority date: 2020-07-01
Filing date: 2021-06-29
Publication date: 2022-01-06
Also published as: CN111756903B; CN111756903A

Abstract

The embodiments of the present application provide a speaker assembly and an electronic device. The speaker assembly comprises: at least two sound generation assemblies, each sound generation assembly comprising a speaker housing and a vibration unit, the speaker housing being provided with a sound outlet, the vibration unit being provided in the speaker housing and dividing an inner chamber of the speaker housing into a first chamber and a second chamber, the first chamber being in communication with the sound outlet; and the second chambers of the at least two sound generation assemblies are in communication with each other.

Description

Speaker Components and Electronics

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No. 202010626226.8 filed in China on Jul. 1, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of sound generating devices, and in particular, to a speaker assembly and an electronic device.

Background technique

With the rapid development of mobile terminals, the performance of mobile phones is constantly improving. As one of the most basic functions of mobile phones, sound is constantly facing new challenges and opportunities, and the demand for high volume and stereo is endless. However, due to the limitation of mobile phone space, multi-camera, large battery, thin and light and other trends, the space available for speakers is getting smaller and smaller, resulting in poor mobile phone sound.

In the related art, the solution for realizing two-channel stereo adopts a speaker at the top of the mobile phone and a speaker at the bottom of the mobile phone, so that the speakers on the top of the mobile phone share the sound output structure of the earpiece. Specifically, the speaker on the top of the mobile phone is used as a receiver in the handle call mode, and the input power is small, and the sound is relatively small. In the external playback mode, the input power is large, and the sound can be relatively loud. However, the speaker on the top of the mobile phone uses the internal gap space of the entire mobile phone as the back cavity, and the performance will be lost compared to the second cavity at the bottom of the mobile phone. In addition, the speaker on the top of the mobile phone shares the micro-slit sound channel of the earpiece, and the external sound is released. The effect is much worse than that of the speakers at the bottom of the mobile phone, so that the speakers at the bottom of the mobile phone will be suppressed during the sound field debugging, and the stereo effect will be poor.

Therefore, how to propose a speaker assembly with good sound effects to be suitable for electronic devices such as mobile phones has become an urgent problem to be solved at present.

SUMMARY OF THE INVENTION

The present application discloses a speaker assembly and an electronic device to solve the problem of poor sound effects of electronic devices such as mobile phones in the related art.

In order to solve the above problems, this application is implemented as follows:

In a first aspect, embodiments of the present application provide a speaker assembly, including:

At least two sound-generating components, each of said sound-generating components comprising:

a speaker housing provided with a sound outlet; and

a vibration unit, which is arranged in the speaker housing and divides the inner cavity of the speaker housing into a first cavity and a second cavity, and the first cavity communicates with the sound outlet ;

Wherein, the second cavities of the at least two sounding components are in communication.

In a second aspect, the embodiments of the present application also provide an electronic device, including:

The speaker assembly of the first aspect.

In the technical solutions provided by the embodiments of the present application, the speaker assembly includes at least two sound-generating components, wherein each sound-generating component includes a speaker housing and a vibration unit disposed in the speaker housing, and the vibration unit divides the inner cavity of the speaker housing into a second a cavity and a second cavity, and the first cavity communicates with the sound outlet provided on the speaker casing. The speaker assembly includes at least two sound-generating components, and each sound-generating component has a vibrating unit for vibrating sound, which is beneficial to improve the sound loudness of the speaker assembly. Moreover, the speaker assembly has at least two sound outlets, which can produce sounds from multiple places, which is beneficial to realize the stereo effect of the speaker assembly. Moreover, by connecting the second cavities of at least two sound-generating components, the sound waves generated by each vibration unit can propagate in the second cavities of other sound-generating components in addition to the second cavity of the sound-generating component where it is located. , the propagation path of the sound waves generated by each vibration unit in the speaker assembly is increased, the sound loudness of the speaker assembly can be further improved, and the sound effect of the speaker assembly can be improved.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic diagram of a partial structure of an electronic device provided by an embodiment of the present application;

FIG. 2 is a schematic partial structure diagram of a speaker assembly provided by an embodiment of the present application;

3 is one of the schematic partial cross-sectional views of an electronic device provided by an embodiment of the present application;

4 is the second schematic partial cross-sectional view of an electronic device provided by an embodiment of the present application;

5 is a partial cross-sectional schematic diagram of a speaker assembly provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a connecting portion provided by an embodiment of the present application.

Among them, the corresponding relationship between the reference numerals and the component names in Fig. 1 to Fig. 6 is:

10 sounding assembly, 10a first sounding assembly, 10b second sounding assembly, 110 speaker housing, 111 first sub-speaker housing, 112 second sub-speaker housing, 110a first speaker housing, 110b second speaker housing , 113 sound outlet, 114 vent, 114a first vent, 114b second vent, 115 connecting channel, 116 sink, 120 vibration unit, 120b second vibration unit, 130 first cavity, 130b first cavity Body b, 140 second cavity, 140b second cavity b, 150 connection, 151 acoustic channel, 152 bellows, 153 first casing, 154 second casing, 20 back plate, 30 middle frame, 310 sound Holes, 310a of the first group of sound-emitting holes, 310b of the second group of sound-emitting holes, 40 seals, 41 sealing channels, 50 display screens, and 60 accommodating chambers.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

The speaker assemblies provided in the embodiments of the present application are mainly used in electronic devices, such as mobile terminals such as mobile phones, wearable devices, tablet computers, laptop computers, mobile computers, handheld game consoles, video recorders, camcorders, radios, and tape recorders , CD player and small stereo and so on. Of course, it may not be limited to electronic devices, but can also be applied to other devices that need to emit sound.

The speaker assembly and the electronic device proposed by the embodiments of the present application will be further described below with reference to the accompanying drawings.

FIG. 2 shows a partial structural schematic diagram of a speaker assembly according to an embodiment of the present application. FIG. 3 shows a partial cross-sectional schematic diagram of an electronic device provided by an embodiment of the present application, in which a part of a speaker assembly is cut out. As shown in FIG. 2 and FIG. 3 , a speaker assembly proposed in an embodiment of the present application includes at least two sound-generating assemblies 10 . Each sound generating assembly 10 includes a speaker housing 110 and a vibration unit 120 . The speaker housing 110 is provided with a sound outlet 113, the vibration unit 120 is arranged in the speaker housing 110, and the inner cavity of the speaker housing 110 is divided into a first cavity 130 and a second cavity 140. The first cavity 130 It communicates with the sound outlet 113 . Wherein, the second cavities 140 of at least two sounding components 10 are in communication.

In the technical solution provided by the embodiments of the present application, the speaker assembly includes at least two sound-generating assemblies 10, wherein each sound-generating assembly 10 includes a speaker housing 110 and a vibration unit 120 disposed in the speaker housing 110, and the vibration unit 120 connects the speaker housing The inner cavity of the body 110 is divided into a first cavity 130 and a second cavity 140 , and the first cavity 130 communicates with the sound outlet 113 provided in the casing. By making the speaker assembly include at least two sound-generating assemblies 10, and each sound-generating assembly 10 has a vibration unit 120 for vibrating sound, it is beneficial to improve the sound loudness of the speaker assembly. Moreover, the speaker assembly has at least two sound outlets 113, which can realize multiple sound emission, which is beneficial to realize the stereo effect of the speaker assembly. Moreover, by making each sounding component 10 have the first cavity 130, the existence of the first cavity 130 can correct the middle and high frequency sound, so that the sound is clean and the sound conversion efficiency is improved. Moreover, by connecting the second cavity 140 of the at least two sound-generating components 10, the sound waves generated by each vibration unit 120 not only propagate in the second cavity 140 of the sound-generating component 10 where it is located, but also propagate in other sound-generating components 10 propagates in the second cavity 140, increasing the propagation path of the sound waves generated by each vibration unit 120 in the speaker assembly, which can effectively prevent the short circuit of low-frequency sound in the speaker assembly, make the low-frequency sound powerful and round, and improve the speaker assembly. The loudness of the sound is increased, the low frequency sensitivity of the speaker assembly is improved, and the sound effect of the speaker assembly is improved.

In addition, since the second cavities 140 of at least two sound-generating components 10 are connected, it is realized that the sound waves share a cavity that communicates with each other, so that the space in the electronic device can satisfy the shared cavity, for example, to avoid the narrow space. The top of the phone, and the speaker assembly is placed on the bottom of the phone as a whole. Compared with the related art in which independent speakers are arranged on the top and bottom of the mobile phone, and the space in the mobile phone needs to meet the requirements of two independent speaker sound chambers, it can not only achieve a good stereo effect of the mobile phone, but also reduce the internal space of the mobile phone. requirements.

The speaker assembly proposed in the present application can not only effectively reduce the demand for the whole machine space of the electrical equipment and make the stereo solution of the electronic equipment more realistic, but also can improve the sound effect and the stereo effect, which is conducive to making the electronic equipment meet the requirements of shooting. , under the premise of large electromagnetic, light and thin, etc., it has better sound effects.

In a specific application, the vibration unit 120 is a vibration component in a loudspeaker, and the vibration unit 120 includes a die-folded ring cone-shaped paper cone. The die-folded ring cone-shaped paper cone is disposed on the cavity wall of the second cavity 140 through the centering piece, or the die-folded ring cone-shaped paper cone is configured as the cavity wall of the second cavity body 140 .

FIG. 1 shows a schematic diagram of a partial structure of an electronic device provided by an embodiment of the present application, wherein a schematic diagram of the structure of a speaker assembly is shown. FIG. 4 shows a partial cross-sectional schematic diagram of an electronic device provided by an embodiment of the present application, in which a part of a speaker assembly is cut out. FIG. 5 shows a partial cross-sectional schematic diagram of a speaker assembly provided by an embodiment of the present application. In a specific embodiment, as shown in FIG. 1 , FIG. 2 , FIG. 4 and FIG. 5 , the speaker assembly includes two sound-generating components 10 , which are a first sound-generating component 10 a and a second sound-generating component 10 b . The first sound-generating assembly 10a includes a first speaker housing 110a and a first vibration unit (not shown in the figure). The first speaker housing 110a is provided with a first sound outlet (as a kind of sound outlet 113), A vibration unit 120a is disposed in the first speaker housing 110a, and separates the inner cavity of the first speaker housing 110a into a first cavity a (not shown in the figure) and a second cavity a (not shown in the figure) shown), the first cavity a communicates with the first sound outlet. The second sound-generating assembly 10b includes a second speaker housing 110b and a second vibration unit 120b, the second speaker housing 110b is provided with a second sound outlet (as a type of the sound outlet 113), and the second vibration unit 120b is arranged in Inside the second speaker housing 110b, the inner cavity of the second speaker housing 110b is divided into a first cavity b130b and a second cavity b140b, and the first cavity b130b communicates with the second sound outlet. The second cavity a communicates with the second cavity b140b.

As a possible implementation manner, as shown in FIG. 1 and FIG. 5 , the speaker assembly further includes: a connecting part 150 , and the connecting part 150 includes a sound wave channel 151 ; the second cavity 140 of the at least two sound generating components 10 passes through the sound wave channel 151 Connected.

In this embodiment, by providing the connecting portion 150, the second cavities 140 of the at least two sound generating assemblies 10 are communicated through the sound wave channel 151 of the connecting portion 150, which facilitates rapid assembly and molding of the speaker assembly. Moreover, the existence of the connection portion 150 is beneficial to make the at least two speaker housings 110 distributed at a relatively large distance, which is beneficial to achieve a better stereo effect, and is beneficial to reduce the demand for the internal space of the electronic device, which is convenient for Installation of the speaker assembly.

In addition, since the connecting portion 150 connects the at least two second cavities 140, it is realized that the sound waves share one interconnected cavity. By placing different vibration units 120 in different positions of the cavity, the vibration of the at least two second cavities can be effectively reduced. The sound waves of the unit 120 interfere to improve the sound effect of the speaker.

It should be noted that the structures connecting the at least two second cavities 140 belong to the connecting portion 150 . The connecting portion 150 can be communicated with at least two second cavities 140 as a separate component, or can be integrally formed with the cavity walls of one or more second cavities 140, thereby ensuring the stability of communication and simplifying the installation steps of the speaker assembly .

In a specific application, if the number of the second cavities 140 is two, the connection parts 150 are used to connect the two second cavities 140 . If the number of the second cavities 140 is three, two of the three second cavities 140 can be communicated through the connecting portion 150 , or one of the second cavities 140 can be communicated with the other two second cavities through the connecting portion 150 . body 140 , and the other two second cavities 140 are not directly communicated through the connection part 150 . It can be determined according to the demand for sound effects and the demand for the internal space of electronic equipment.

In a specific embodiment, as shown in FIG. 1 , the electronic device is a mobile phone, and the speaker assembly includes two sound-generating components 10 , and the two sound-generating components 10 are distributed on both sides in the width direction of the mobile phone. Further, the two sounding components 10 are located at the bottom of the mobile phone in the height direction.

As a possible implementation manner, as shown in FIGS. 2 and 5 , the speaker housing 110 is further provided with a vent 114 communicating with the second cavity 140 , and the vent 114 extends into the sound wave channel 151 .

In this embodiment, the speaker housing 110 is further provided with a vent 114 communicating with the second cavity 140, and the vent 114 extends into the sound wave channel 151, so that the second cavity 140 is communicated with the sound wave channel 151 , which is beneficial to ensure that the sound wave will not diffuse into the environment at the connection between the second cavity 140 and the connecting portion 150, so as to ensure that the sound intensity and sound loudness are large enough to ensure sound effects. Moreover, compared with the fact that the connecting portion 150 extends into the second cavity 140 , the sound wave can be effectively prevented from being weakened at the angle between the connecting portion 150 and the cavity wall of the second cavity 140 .

In a specific embodiment, as shown in FIG. 1 and FIG. 5 , the speaker assembly includes two sound-generating components 10 , namely a first sound-generating component 10a and a second sound-generating component 10b , and the first sound-generating component 10a includes a first speaker shell body 110a, the first speaker housing 110a is provided with a first vent 114a, the second sound-generating assembly 10b includes a second speaker housing 110b, the second speaker housing 110b is provided with a second vent 114b, the first vent 114a and The second air port 114b protrudes into the sound wave channel 151 of the connecting portion 150 .

Further, the second vent 114b is located on the side of the second speaker housing 110b facing the first vent 114a. It is beneficial to reduce the length of the connecting portion 150, thereby reducing the space occupied by the speaker assembly.

As a possible implementation manner, as shown in FIG. 3 and FIG. 5 , in any two adjacent speaker housings 110 , at least one speaker housing 110 is formed with a connection channel 115 extending toward the other speaker housing 110 ; The second cavities 140 of the at least two sound-generating components are communicated at least through the connecting channel 115 . The existence of the connection channel 115 facilitates the direct connection of two adjacent speaker housings 110 , so that the two second cavities 140 are communicated through the connection channel 115 . Moreover, it is beneficial to distribute the first cavities 130 of the two speaker housings 110 at intervals, and to distribute the second cavities 140 of the two speaker housings 110 at intervals, which are separated by the connection channel 115. On the one hand, the use of To meet the space requirements of the electrical equipment, the two speaker housings 110 can be distributed at appropriate positions, which is beneficial to ensure the stereo effect of the speaker assembly.

Further, as shown in FIG. 5 , when the speaker assembly further includes a connecting portion 150 , the sound wave channel 151 of the connecting portion 150 is communicated with the second cavity 140 through the air port 114 and the connecting channel 115 .

Further, as shown in FIG. 2 and FIG. 5 , in any two adjacent speaker housings 110 , the vent 114 is arranged at one end of the connecting channel 115 facing the other speaker housing 110 , so that the sound wave channel 151 passes through the vent. 114 . The connecting channel 115 communicates with the second cavity 140 .

As a possible implementation manner, as shown in FIG. 2 and FIG. 5 , in any two adjacent speaker housings 110 , the outer wall surface of one end of the connecting channel 115 facing the other speaker housing 110 is provided with a sink groove 116 , The connecting portion 150 extends into the sink 116 . By making the connecting portion 150 fit with the recessed groove 116 on the outer wall surface of the connecting channel 115, on the one hand, it is favorable for the connecting portion 150 to be firmly connected with the speaker housing 110, and on the other hand, it is favorable for the air vent 114 to extend into the sound wave channel 151. So as to ensure the sound intensity and ensure the sound effect.

In a specific application, the wall thickness of the connecting portion 150 , that is, the wall thickness of the acoustic channel 151 , is the same as the depth of the sink groove 116 , or the wall thickness of the connecting portion 150 is smaller than the depth of the sink groove 116 . The connection portion 150 and the groove wall of the sink groove 116 may be connected by sticking or interference fit. The sink 116 surrounds the acoustic channel 151 once.

As a possible implementation manner, the connecting portion 150 further includes a telescopic connecting portion, and a telescopic sound wave channel 151 is formed inside the telescopic connecting portion. The expansion and contraction of the acoustic channel 151 is expanded and contracted with the expansion and contraction of the expansion and contraction connecting portion.

In this embodiment, by making the connection part 150 include a telescopic connection part, that is, a telescopic connection part, on the one hand, the connection part 150 has a certain installation margin, which is convenient for the connection part 150 to be in sealing communication with the second cavity 140, and on the other hand In the aspect, it is beneficial to be suitable for stretchable and bendable electronic equipment, and the increase of flexible and variable internal space during the stretching or bending process of the electronic equipment is utilized to the transmission space of sound waves. For example, along with the stretching and shrinking of the screen of the electronic device, the distance between the two second cavities 140 at both ends of the connecting portion 150 is increased and decreased, and the sound wave transmission space is increased or decreased. When the electronic device is stretched or bent, the telescopic connection portion is driven to extend, thereby extending the propagation path of the sound wave, expanding the transmission space of the sound wave, and improving the sound effect of the speaker assembly.

In a specific application, the telescopic connection portion may be in interference fit with the cavity wall of the second cavity 140 to ensure the sealing effect. Of course, the telescopic connection part can also be adhered to or welded together with the cavity wall of the second cavity 140 . As long as it is ensured that the telescopic connection part and the second cavity 140 are sealed and connected, the sound wave will not leak out, all within the protection scope of the present application.

In a specific embodiment, as shown in FIG. 5 , the telescopic connection includes a bellows 152 . A retractable sound wave channel 151 is formed in the bellows 152 .

In this embodiment, by specifically defining the telescopic connection part to include the bellows 152, the bellows 152 has a certain structural strength, which is beneficial to ensure the stable propagation of sound waves in the bellows 152 and avoid sound short-circuits. Moreover, the bellows 152 can be extended and retracted many times, and has a long service life, so that the speaker assembly can be suitable for retractable or bendable electronic devices.

In a specific application, as shown in FIG. 5 , the corrugation of the corrugated pipe 152 is V-shaped, which is beneficial to ensure that the corrugated pipe 152 has sufficient stretching and shortening margins. When the two second cavities 140 at both ends of the connecting portion 150 When the electronic device is stretched and moved away from each other, the V-shape is unfolded, which expands the transmission space of sound waves. When the two second cavities 140 are close to each other with the contraction of the electronic device, the V-shape is retracted to reduce the sound wave transmission space. .

FIG. 6 shows a schematic structural diagram of the connection part 150 according to an embodiment of the present application. As shown in FIG. 6 , in another specific embodiment, the telescopic connection part includes a first sleeve 153 and a second sleeve 154 , the first sleeve 153 is sleeved on the second sleeve 154 and can be inserted into the second sleeve 154 . The two sleeves 154 move in the extending direction. A retractable sound wave channel 151 is formed in the first sleeve 153 and the second sleeve 154 .

In this embodiment, the telescopic connection portion is specifically defined to include the first sleeve 153 and the second sleeve 154. Since the first sleeve 153 and the second sleeve 154 have a certain structural strength, it is beneficial to ensure that the sound waves are transmitted between the two sleeves. Stable transmission in the casing to avoid short circuit of sound. Moreover, the first sleeve 153 and the second sleeve 154 can be extended and retracted many times as a whole, and have a long service life, so that the speaker assembly can be suitable for retractable or bendable electronic equipment.

In a specific application, the extension direction of the first sleeve 153 and the second sleeve 154 is the same as the switchable direction of the electronic device. If the electronic device is retractable, the first sleeve 153 and the second sleeve 154 are both straight pipes. If the electronic device can be bent, the first sleeve 153 and the second sleeve 154 are both bent pipes, so that the electronic device can be located at the first sleeve 153 and the second sleeve 154 along the extension direction of the first sleeve 153 Bend and expand the volume of the telescopic joint to expand the transmission space of sound waves. Of course, the telescopic connection part may also include a third sleeve, which is sleeved on the first sleeve 153 and can move along the extending direction of the first sleeve 153 to increase the telescopic range of the telescopic connection part.

An electronic device further proposed by the embodiments of the present application includes: the speaker assembly according to any one of the foregoing embodiments.

Since the electronic device proposed in this embodiment has the speaker assembly as in any of the above-mentioned embodiments, it further has the beneficial effects of any of the above-mentioned embodiments, which will not be repeated here.

In specific applications, the speaker assembly can be arranged at the bottom or the top of the electronic device to provide sufficient installation space for other structures.

FIG. 3 shows a partial cross-sectional schematic diagram of an electronic device provided by an embodiment of the present application. As shown in FIG. 3 , as a possible implementation manner, the electronic device further includes a backplane 20 , a middle frame 30 and a display screen 50 . The display screen 50 , the back panel 20 and the middle frame 30 are enclosed to form an accommodating cavity 60 , and the speaker assembly is arranged in the accommodating cavity 60 .

In this embodiment, it is specifically defined that the electronic device includes the backplane 20 , the middle frame 30 and the display screen 50 , that is, the electronic device may be a mobile phone or a tablet computer or the like. By arranging the speaker assembly in the accommodating cavity 60 enclosed by the display screen 50 , the back panel 20 and the middle frame 30 , the stereo effect of the electronic device can be ensured while avoiding the exposure of the speaker assembly.

In a specific application, the electronic device is a mobile phone, and the speaker assembly is arranged at the bottom of the mobile phone. Since the top of the mobile phone has multiple components such as an earpiece and a camera, the free space is very small. By arranging the speaker assembly at the bottom of the mobile phone, on the one hand, the demand for the internal space of the mobile phone is reduced, and on the other hand, because the speaker assembly has at least two There is a second cavity 140, and the sound effect is good, which is conducive to realizing a better stereo effect of the mobile phone.

Of course, the speaker assembly may not be disposed at the bottom of the mobile phone, but may be located in the middle of the mobile phone or on one side in the width direction, and the position can be adjusted as required.

As a possible implementation, the back panel 20 is configured as a retractable or bendable back panel; the middle frame 30 is configured as a retractable or bendable middle frame; the display screen 50 is configured as a retractable or bendable display screen; The back panel 20 , the middle frame 30 and the display screen 50 are enclosed into a variable-volume accommodating cavity 60 ; the connecting portion 150 of the speaker assembly includes a telescopic connecting portion; wherein the telescopic connecting portion can be extended with the expansion of the accommodating cavity 60 , and It shortens as the accommodating cavity 60 contracts.

In this embodiment, the electronic device is specifically defined as a retractable or bendable electronic device, then correspondingly, the back plate 20 is configured as a retractable or bendable back plate, and the middle frame 30 is configured as a retractable or bendable back plate. With the curved middle frame, the display screen 50 is constructed as a retractable or bendable display screen, which facilitates the retractable or bendable electronic device and enables the volume of the accommodating cavity 60 of the electronic device to be variable. By enabling the telescopic portion to be elongated with the expansion of the accommodating cavity 60 and shortened with the contraction of the accommodating cavity 60 , the increase in the space of the accommodating cavity 60 can be utilized to the transmission space of sound waves. During the bending process, the telescopic connecting part is driven to extend, thereby extending the propagation path of the sound wave, expanding the transmission space of the sound wave, and improving the sound effect of the speaker assembly.

In a specific application, the speaker assembly can be fixed with the middle frame 30 , or with the back plate 20 , or with the display screen 50 , as long as the telescopic connection part of the speaker assembly can follow the direction of the accommodating cavity 60 . It can be expanded and elongated, and it can be shortened with the contraction of the accommodating cavity 60 .

In a specific application, if the electronic device is a mobile phone, the electronic device can expand and contract in its own width direction. The width of the display screen 50 is increased to facilitate viewing by the user.

As a possible implementation manner, as shown in FIG. 1 , the middle frame 30 is provided with at least two groups of sound-emitting holes 310 , and a first cavity 130 of the speaker assembly communicates with one group of sound-emitting holes 310 .

In this embodiment, by arranging at least two groups of sound-emitting holes 310 in the middle frame 30, a first cavity 130 of the speaker assembly is communicated with a group of sound-emitting holes 310, and the sound is emitted through the sound-emitting holes 310, so that the side surface of the electronic device is realized. speak out.

In a specific application, as shown in FIG. 1 , the middle frame 30 is provided with two groups of sound-emitting holes 310 , which are a first group of sound-emitting holes 310 a and a second group of sound-emitting holes 310 b .

In a specific application, as shown in FIG. 3 , a plurality of sealing members 40 are arranged between the speaker assembly and the middle frame 30 , and each sealing member 40 forms a sealing channel 41 , so that each first cavity 130 is connected to a set of sound The holes 310 communicate with each other through the sealing channel 41 formed by the sealing member 40 to ensure that the sound wave will not leak out at the connection between the first cavity 130 and the sound-emitting hole 310 .

As a possible implementation manner, the back plate 20 is provided with at least two groups of sound-emitting holes 310, and a first cavity 130 of the speaker assembly communicates with one group of sound-emitting holes 310.

In this embodiment, at least two groups of sound-emitting holes 310 are provided on the back plate 20, so that a first cavity 130 of the speaker assembly is communicated with a group of sound-emitting holes 310, and sound is emitted through the sound-emitting holes 310, so that the electronic device can be fully integrated. Back out.

In a specific application, a plurality of sealing members 40 are arranged between the speaker assembly and the back plate 20 , and each sealing member 40 forms a first sealing channel 41 , so that each first cavity 130 and a group of sound-emitting holes 310 pass through. The sealing channel formed by the sealing member 40 is connected to ensure that the sound wave will not leak out at the connection between the first cavity 130 and the sound-emitting hole 310 .

As a possible implementation, as shown in FIG. 3 , the speaker housing 110 of the speaker assembly includes a first sub-speaker housing 111 and a second sub-speaker housing 112 , and the first sub-speaker housing 111 and the second sub-speaker The housing 112 encloses the inner cavity of the speaker housing 110 . That is, the speaker housing 110 of the speaker assembly itself can enclose an inner cavity for accommodating the vibration unit 120 , so that the vibration unit 120 divides the inner cavity into the first cavity 130 and the second cavity 140 . It is convenient for speaker components to be produced and sold separately.

In other possible implementations, the speaker housing 110 of the speaker assembly includes a part of the back plate 20 , that is, the speaker housing 110 of the speaker assembly is partially constructed from a part of the back plate 20 . Alternatively, the speaker housing 110 of the speaker assembly includes a part of the middle frame 30 , that is, the speaker housing 110 of the speaker assembly is partially constructed from a part of the middle frame 30 . Or the speaker housing 110 of the speaker assembly includes a part of the back plate 20 and a part of the middle frame 30 , that is, the speaker housing 110 of the speaker assembly is constructed by a part of the back plate 20 and a part of the middle frame 30 . The volume of the speaker housing 110 of the speaker assembly independent of the middle frame 30 and the back panel 20 is reduced, thereby effectively reducing the occupied space of the speaker assembly.

It should be noted that, herein, the term "comprising" or any other variation thereof is intended to encompass a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Terms such as "communication" and "connection" should be understood in a broad sense, for example, "communication" may be a direct connection or a communication through other components. The terms "first," "second," etc. are used to distinguish between different objects, rather than to describe a particular order of the objects. In the embodiments, words such as "such as" are used to mean by way of example, demonstration, or illustration. Any embodiment or design described as "for example" in the embodiments of the present application should not be construed as preferred or advantageous over other embodiments or designs. Rather, use of words such as "such as" is intended to present the related concepts in a specific manner. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims

A speaker assembly comprising:

At least two sounding assemblies (10), each of said sounding assemblies (10) comprising:

a speaker housing (110) provided with a sound outlet (113); and

A vibration unit (120), the vibration unit (120) is arranged in the speaker housing (110), and divides the inner cavity of the speaker housing (110) into a first cavity (130) and a second cavity (130) a cavity (140), the first cavity (130) communicates with the sound outlet (113);

Wherein, the second cavities (140) of the at least two sounding components (10) are in communication.
The speaker assembly of claim 1, wherein the speaker assembly further comprises:

a connecting part (150), the connecting part (150) comprising a sound wave channel (151);

The second cavities (140) of the at least two sound emitting components (10) are communicated through the sound wave channel (151).
The speaker assembly of claim 2, wherein,

The speaker housing (110) is further provided with a vent (114) communicating with the second cavity (140), and the vent (114) extends into the sound wave channel (151).
The speaker assembly of claim 3, wherein,

In any two adjacent speaker housings (110), at least one of the speaker housings (110) is formed with a connection channel (115) extending toward the other speaker housing (110);

The air port (114) is disposed at one end of the connection channel (115) facing the other speaker housing (110), and the sound wave channel (151) passes through the air port (114), the connection channel (115) communicates with the second cavity (140).
The speaker assembly of claim 4, wherein,

In any two adjacent speaker housings (110), a sink groove (116) is provided on the outer wall surface of one end of the connection channel (115) facing the other speaker housing (110). A portion (150) extends into the sink (116).
A loudspeaker assembly as claimed in any one of claims 2 to 5, wherein:

The connecting part (150) further comprises a telescopic connecting part, and the telescopic connecting part forms the telescopic sound wave channel (151) inside.
The speaker assembly of claim 6, wherein,

the telescopic connection includes a bellows (152); or

The telescopic connection part includes a first sleeve (153) and a second sleeve (154), the first sleeve (153) is sleeved on the second sleeve (154), and can be inserted into the second sleeve (154). The second sleeve (154) moves in the extending direction.
An electronic device comprising:

A loudspeaker assembly as claimed in any one of claims 1 to 7.
The electronic device of claim 8, wherein the electronic device further comprises:

back plate (20);

middle frame (30); and

A display screen (50), the display screen (50), the backplane (20), and the middle frame (30) are enclosed to form an accommodating cavity (60), and the speaker assembly is arranged in the accommodating cavity (60) Inside;

At least two groups of sound-emitting holes (310) are provided on the back plate (20) or the middle frame (30), and a first cavity (130) of the speaker assembly and a group of the sound-emitting holes ( 310) Connect.
The electronic device of claim 9, wherein the electronic device further comprises:

At least two seals (40), each of the seals (40) forms a sealing channel (41), and the first cavity (130) communicates with a group of the sound-emitting holes (41) through the sealing channel (41). 310).
The electronic device of claim 9, wherein,

The back panel (20) is configured as a retractable or bendable back panel;

The middle frame (30) is configured as a retractable or bendable middle frame;

The display screen (50) is configured as a retractable or bendable display screen;

The back plate (20), the middle frame (30) and the display screen (50) are enclosed into the accommodating cavity (60) with a variable volume;

The connecting part (150) of the speaker assembly includes a telescopic connecting part;

Wherein, the telescopic connection portion can be elongated with the expansion of the accommodating cavity (60), and shortened with the contraction of the accommodating cavity (60).
The electronic device according to any one of claims 9 to 11, wherein,

The speaker housing (110) includes a first sub-speaker housing (110) and a second sub-speaker housing (110), the first sub-speaker housing (110) and the second sub-speaker housing ( 110) enclosing the inner cavity of the speaker housing (110); or

the speaker housing (110) includes a portion of the back plate (20); or

the speaker housing (110) includes a portion of the middle frame (30); or

The speaker housing (110) includes a part of the back plate (20) and a part of the middle frame (30).