WO2020001323A1

WO2020001323A1 - Receiver and mobile terminal

Info

Publication number: WO2020001323A1
Application number: PCT/CN2019/091699
Authority: WO
Inventors: 陈文龙
Original assignee: 维沃移动通信有限公司
Priority date: 2018-06-29
Filing date: 2019-06-18
Publication date: 2020-01-02
Also published as: CN108882089B; CN108882089A

Abstract

Provided in the present disclosure are a receiver and a mobile terminal. The receiver comprises: A drive mechanism; A first vibrating diaphragm, which is arranged at one end of the drive mechanism, and the drive mechanism is used for driving the first vibrating diaphragm to vibrate to produce sound; A first casing, a central hole of which can make the drive mechanism to pass through, and the open end of the first vibrating diaphragm is in sealed connection with the first casing; A second vibrating diaphragm, which is arranged at the other end of the drive mechanism, and the drive mechanism is used for driving the second vibrating diaphragm to vibrate to produce sound; A second casing, a central hole of which can make the drive mechanism to pass through, and the open end of the second vibrating diaphragm is in sealed connection with the second casing.

Description

Receiver and mobile terminal

Cross-reference to related applications

This application claims the priority of Chinese Patent Application No. 201810700511.2 filed in China on June 29, 2018, the entire contents of which are hereby incorporated by reference.

Technical field

Embodiments of the present disclosure relate to the field of communications technologies, and in particular, to a receiver and a mobile terminal.

Background technique

With the continuous development of communication technology, the popularity of mobile terminals such as mobile phones is getting higher and higher. At present, in some cases (for example, when the mobile terminal is a dual-screen mobile phone), the mobile terminal needs to be able to produce sound on both sides (that is, both front and back sides can produce sound).

In order to achieve the above purpose, a commonly used solution is to set up a receiver in the mobile terminal. The front and back sides of the mobile terminal share the front cavity. After the sound from the receiver passes through the front cavity channel, it is derived from the front and back of the mobile terminal. However, in the above solution, in order to take into account both the front and back sides of the mobile terminal, the guide channels between the receiver and the front and back sides of the mobile terminal are both longer, and the sound from the receiver needs to be guided to the front side of the mobile terminal. On the opposite side, this will result in greater attenuation and poorer sound quality.

Summary of the invention

Embodiments of the present disclosure provide a receiver and a mobile terminal to solve the problems in the related art that implementing a two-sided sound output scheme of a mobile terminal will result in large attenuation of sound and poor sound quality of the sound emitted by the mobile terminal.

In order to solve the above technical problems, the present disclosure is implemented as follows:

In one aspect, an embodiment of the present disclosure provides a receiver, including:

Drive mechanism;

A first diaphragm is located at one end of the driving mechanism, and the driving mechanism is configured to drive the first diaphragm to vibrate and sound;

A first housing, a central hole for the drive mechanism to pass through, and an open end of the first diaphragm is hermetically connected to the first housing;

A second diaphragm is located at the other end of the drive mechanism, and the drive mechanism is further configured to drive the second diaphragm to vibrate and sound;

The second casing has a central hole through which the driving mechanism can pass, and the open end of the second diaphragm is hermetically connected to the second casing.

In another aspect, an embodiment of the present disclosure provides a mobile terminal including a first sound emitting cover body and a second sound emitting cover body disposed on opposite sides of the mobile terminal, and further including:

In the above-mentioned receiver, the first diaphragm in the receiver is disposed opposite to the first sound emitting cover body, and the second diaphragm in the receiver is disposed opposite to the second sound emitting cover body.

In the embodiment of the present disclosure, by providing two diaphragms in the receiver, the sound generated by the vibration of each diaphragm need only be derived from one side of the mobile terminal, and the guide channel corresponding to each diaphragm is relatively short. The two diaphragms are hermetically connected to the two shells, and the sound generated by the vibration of each diaphragm cannot be leaked (for example, leaked into the back cavity). Therefore, the mobile terminal can achieve double-sided sound output. Compared with related technologies, The embodiment of the present disclosure can effectively reduce the degree of sound attenuation, and the sound quality of the double-sided sound of the mobile terminal can be effectively guaranteed.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, the drawings used in the description of the embodiments of the present disclosure will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without paying creative labor.

1 is a schematic structural diagram of a receiver provided by an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure.

detailed description

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

The following first describes the receiver provided by the embodiment of the present disclosure.

It should be noted that the receiver provided in the embodiment of the present disclosure is applied to a mobile terminal. Specifically, the mobile terminal may be: a computer, a cell phone, a tablet computer, a laptop computer, a personal digital assistant (PDA), and a mobile Internet electronic device (Mobile). Internet Device (MID), Wearable Device (Wearable Device), etc. It should be noted that the mobile terminal may be a dual-screen mobile terminal or a single-screen mobile terminal. For ease of understanding, the embodiments of the present disclosure use the case where the mobile terminal is a dual-screen mobile terminal as an example for description.

Referring to FIG. 1, a schematic structural diagram of a receiver provided by an embodiment of the present disclosure is shown. As shown in FIG. 1, the receiver includes a driving mechanism 10, a first diaphragm 20, a first housing 30, a second diaphragm 40, and a second housing 50.

Wherein, the first diaphragm 20 is located at one end (the upper end shown in FIG. 1) of the driving mechanism 10, and the driving mechanism 10 is configured to drive the first diaphragm 20 to vibrate and sound.

Specifically, the first diaphragm 20 and the driving mechanism 10 may be aligned with each other; the driving mechanism 10 may be used to drive the first diaphragm 20 to vibrate in the vertical direction shown in FIG. 1 to emit a sound. It should be noted that the specific implementation forms of the driving mechanism 10 driving the first diaphragm 20 to vibrate and sound are various, such as a mechanical driving method, an electromagnetic driving method, and the like, which are not listed here one by one.

The central hole of the first casing 30 can be passed through by the driving mechanism 10, and the open end (the lower end shown in FIG. 1) of the first diaphragm 20 is sealedly connected with the first casing 30.

Since the central hole of the first casing 30 can be passed by the driving mechanism 10, there is a first leakage hole 60 between the inner wall of the first casing 30 and the outer wall of the driving mechanism 10 for air circulation.

Optionally, the first diaphragm 20 may include: a first dome 21 and a first connecting member 22 connected to each other; wherein the first dome 21 is used for vibrating and sounding under the driving of the driving mechanism 10; the first connecting member 22 and the first casing 30 may be connected by means of bonding or the like, and the surfaces of both the first connecting member 22 and the first casing 30 are closely adhered to achieve sealing.

It should be noted that the material of the first connecting member 22 may be polyethylene terephthalate (PET). In this way, when the first dome 21 vibrates and sounds, the first connecting member 22 may follow the first The vibration of a dome 21 generates a corresponding elastic deformation to adapt to the position change of the first dome 21.

The second diaphragm 40 is located at the other end (lower end shown in FIG. 1) of the driving mechanism 10. The driving mechanism 10 is also used to drive the second diaphragm 40 to vibrate and sound.

Specifically, the second diaphragm 40 and the driving mechanism 10 may be aligned with each other; the driving mechanism 10 may be used to drive the second diaphragm 40 to vibrate in the vertical direction shown in FIG. 1 to emit a sound. It should be noted that the specific implementation forms of the driving mechanism 10 driving the second diaphragm 40 to vibrate and sound are various, such as a mechanical driving method, an electromagnetic driving method, and the like, which are not listed here one by one.

The central hole of the second casing 50 can pass through the driving mechanism 10, and the open end (the upper end shown in FIG. 2) of the second diaphragm 40 is sealedly connected with the second casing 50.

Since the central hole of the second casing 50 can pass through the driving mechanism 10, there is a second leakage hole 70 between the inner wall of the second casing 50 and the outer wall of the driving mechanism 10 for air circulation.

Optionally, the second diaphragm 40 may include: a second dome 41 and a second connecting member 42 connected to each other; wherein the second dome 41 is used for vibrating and sounding under the driving of the driving mechanism 10; the second connecting member The 42 and the second casing 50 may be connected by means of bonding or the like, and the surfaces of both the second connecting member 42 and the second casing 50 are closely adhered to achieve sealing.

It should be noted that the material of the second connecting member 42 may also be PET. In this way, when the second dome 41 vibrates and sounds, the second connecting member 42 may generate corresponding elastic deformation with the vibration of the second dome 41. In order to adapt to the position change of the second dome 41.

The following describes the assembly manner and working principle of the receiver provided in the embodiment of the present disclosure with reference to FIG. 2.

As shown in FIG. 2, the two opposite sides of the mobile terminal (which can be considered as the front and back sides of the mobile terminal) can be respectively provided with a first sound emitting cover 80 (assuming it is disposed on the front of the mobile terminal) and a second sound emitting cover 90 (Assuming it is set on the reverse side of the mobile terminal). Wherein, the first sound emitting hood 80 and the second sound emitting hood 90 may be respectively provided with a plurality of sound guiding holes to ensure that the first sound emitting hood 80 and the second sound emitting hood 90 have a sound guiding function. ; The first sound hood body 80 and the second sound hood body 90 may also have decoration and dustproof functions.

In addition, the mobile terminal may further include a main upper 100, a rear cavity 110, a main board 200, and a battery 300. Among them, the first sound emitting hood 80, the second sound emitting hood 90, and the main upper 100 may be surrounded to form a cavity; The cavity 110 may be located between the first screen 120 and the second screen 130 opposite to each other, the first screen 120 may be located on the front of the mobile terminal, and the second screen 130 may be located on the reverse of the mobile terminal; the main board 200 and the battery 300 may be located in the rear cavity 110 .

In actual assembly, the entire receiver can be located in a cavity formed by the first sound hood 80, the second sound hood 90, and the main upper 100; the first housing 30 can be fixedly installed on the main upper 100 and the first screen. 120; the second housing 50 may be fixedly installed between the main upper 100 and the second screen 130; the first diaphragm 20 may be disposed opposite the first sound output cover 80, and the second diaphragm 40 may be opposite the second output The hood body 90 is oppositely disposed. In this way, the first shell 30, the first diaphragm 20, and the first sound hood body 80 can be surrounded to form a first front cavity 140; the second shell 50, the second diaphragm 40, and the second sound hood body 90 can surround Let form a second front cavity 150.

It should be noted that, because the open end of the first diaphragm 20 is hermetically connected to the first housing 30 and the open end of the second diaphragm 40 is hermetically connected to the second housing 50, the first front cavity 140 and the rear cavity 110 are isolated from each other. The second front cavity 150 is also isolated from the rear cavity 110. It can be seen that, in the embodiment of the present disclosure, the two diaphragms in the mobile terminal corresponding to the receiver have two front cavities (ie, the first front cavity 140 and the second front cavity 150), and the two diaphragms in the receiver share the same one. Back cavity (ie, back cavity 110). It should be pointed out that due to the sharing of the back cavity 110, there is no need to set two back cavities inside the mobile terminal, and it is not necessary to provide a partition for separating the two back cavities. This can effectively save the space inside the mobile terminal and reduce the movement. The thickness of the terminal, thereby ensuring the thinness and lightness of the mobile terminal.

In the actual working process of the receiver, the driving mechanism 10 can drive the first diaphragm 20 to vibrate and sound. At this time, the sound generated by the vibration of the first diaphragm 20 can be derived through the sound guide hole in the first sound output cover 80 Outside the mobile terminal, in this way, the mobile terminal can achieve frontal sound. Similarly, the driving mechanism 10 can also drive the second diaphragm 40 to vibrate and sound. At this time, the sound generated by the vibration of the second diaphragm 40 can be exported to the outside of the mobile terminal through the sound guide hole in the second sound output cover 90. In this way, the mobile terminal can realize reverse sound. It can be seen that the mobile terminal can achieve double-sided sound output.

In the receiver provided in the embodiment of the present disclosure, the number of the diaphragms is two, the two diaphragms are sealedly connected to the two shells, and the two diaphragms are respectively disposed at two ends of the driving mechanism 10. In actual assembly, one diaphragm can be set close to the front sound emitting position of the mobile terminal (that is, the position of the first sound hood 80), and the other diaphragm can be set close to the reverse sound output position of the mobile terminal (the second output The position of the acoustic hood body 90) is set, and the mobile terminal may form two isolated front cavities corresponding to the two diaphragms. In this way, under the driving action of the driving mechanism 10, both diaphragms can vibrate; among them, the sound emitted by the vibration of one diaphragm can be derived from the front sound output position of the mobile terminal through a very short sound guide channel to achieve The front side of the mobile terminal makes a sound; the sound generated by the vibration of another diaphragm can be derived from the back side of the mobile terminal through a very short guide channel to achieve the back side of the mobile terminal.

It can be seen that, in the embodiment of the present disclosure, by providing two diaphragms in the receiver, the sound generated by the vibration of each diaphragm need only be derived from one side of the mobile terminal, and the sound guide channel corresponding to each diaphragm is relatively short. In addition, through the sealed connection between the two diaphragms and the two shells, the sound generated by the vibration of each diaphragm cannot be leaked (for example, into the back cavity 110), so the mobile terminal can achieve double-sided sound, and, Compared with the related art, the embodiments of the present disclosure can effectively reduce the degree of sound attenuation, and the sound quality of the double-sided sound of the mobile terminal can be effectively guaranteed.

Optionally, when the driving mechanism 10 drives the first diaphragm 20 and the second diaphragm 40 to vibrate and sound at the same time, the first diaphragm 20 and the second diaphragm 40 approach the driving mechanism 10 at the same time or move away from the driving mechanism 10 at the same time.

As shown in FIG. 2, when the driving mechanism 10 drives the first diaphragm 20 and the second diaphragm 40 to vibrate and sound at the same time, if one of the first diaphragm 20 and the second diaphragm 40 approaches the driving mechanism 10, the other If the person is far from the driving mechanism 10, for example, the first diaphragm 20 is close to the driving mechanism 10, and the second diaphragm 40 is far from the driving mechanism 10, part of the air between one end of the driving mechanism 10 and the first diaphragm 20 will pass through the first leakage hole. 60 flows into the rear cavity 110, and part of the air in the rear cavity 110 will flow between the other end of the driving mechanism 10 and the second diaphragm 40 through the second leakage hole 70. In this case, the change in the amount of air in the rear cavity 110 is very small, which will cause less total work to push air during the working process of the receiver. Therefore, because the first diaphragm 20 and the second diaphragm 40 The volume of the sound of the vibration will be very low.

In view of this, in this embodiment, when the driving mechanism 10 drives the first diaphragm 20 and the second diaphragm 40 to vibrate and sound at the same time, the first diaphragm 20 and the second diaphragm 40 can approach or move away from the driving mechanism 10 at the same time, that is, The first diaphragm 20 and the second diaphragm 40 vibrate in the same phase. In this way, the change in the amount of air in the rear cavity 110 is relatively obvious, and the volume of the sound due to the vibration of the first diaphragm 20 and the second diaphragm 40 is not too small.

It can be seen that, in this embodiment, the volume when the mobile terminal emits sound on both sides can be better guaranteed.

Optionally, as shown in FIG. 1, the driving mechanism 10 includes: a basin frame 11, a first driving component, and a second driving component;

The basin frame 11 includes a bottom plate 111, a first side wall 112, and a second side wall 113. The first side wall 112 is disposed on one side of the bottom plate 111 (for example, the upper side of the bottom plate 111 shown in FIG. 1), and the first side wall 112 and the bottom plate 111 are surrounded to form a first accommodation cavity, the second side wall 113 is provided on the other side of the bottom plate 111 (for example, the lower side of the bottom plate 111 shown in FIG. 1), and the second side wall 113 and the bottom plate 111 are surrounded Provided to form a second receiving cavity.

The basin frame 11 may be made of a metal material, and the cross-section of the basin frame 11 may be an I-shaped structure. At this time, the basin frame 11 may also be called an I-shaped YOKE.

The first driving component is installed in the first accommodating cavity, and the first driving component is used for driving the first diaphragm 20 to vibrate and sound.

The second driving component is installed in the second accommodating cavity. The second driving component is used for driving the second diaphragm 40 to vibrate and sound.

It should be noted that the driving method used by the first driving component to drive the first diaphragm 20 and the driving method used by the second driving component to drive the second diaphragm 40 may be the same or different.

It can be seen that, in this embodiment, the overall structure of the driving mechanism 10 is very simple and easy to install.

Optionally, continuing to refer to FIG. 1, the first driving component may include a first magnet 141, a first magnetically permeable plate 142 (the magnetically permeable plate may also be generally referred to as a washer), and a first voice coil 143.

One end of the first magnet 141 (the lower end shown in FIG. 1) is fixedly connected to the bottom plate 111; the first magnetically permeable plate 142 is fixedly connected to the other end of the first magnet 141 (the upper end shown in FIG. 1). A first ring-shaped magnetic gap 15 is formed between a magnet 141 and the first magnetically permeable plate 142 and the first side wall 112.

Specifically, the lower end of the first magnet 141 and the bottom plate 111 may be welded, and the upper end of the first magnet 141 and the first magnetically conductive plate 142 may be welded.

The first voice coil 143 is disposed in the first annular magnetic gap 15. An end (the upper end shown in FIG. 1) of the first voice coil 143 away from the bottom plate 111 is fixedly connected to the first diaphragm 20.

Specifically, the first voice coil 143 and the first diaphragm 20 may be welded.

Since a first ring-shaped magnetic gap 15 is formed between the first magnet 141, the first magnetically permeable plate 142, and the first side wall 112, a current signal (AC signal) passes through the first voice coil 143 provided in the first ring-shaped magnetic gap 15 ), The first voice coil 143 is subjected to Lorentz force and vibrates up and down due to Lorentz force. Since the first voice coil 143 is fixedly connected to the first diaphragm 20, the first diaphragm 20 will vibrate up and down under the driving of the first voice coil 143. In this way, the first diaphragm 20 will emit sound due to the up and down vibration.

It can be seen that, in this embodiment, the first driving component can realize the vibration and sound of the first diaphragm 20 through electromagnetic driving, and the overall structure of the first driving component is very simple.

Optionally, continuing to refer to FIG. 1, the second driving assembly includes a second magnet 161, a second magnetically conductive plate 162, and a second voice coil 163.

Among them, one end of the second magnet 161 (the upper end shown in FIG. 1) is fixedly connected to the bottom plate 111; the second magnetically permeable plate 162 is fixedly connected to the other end of the second magnet 161 (the lower end shown in FIG. 1). A second ring gap magnetic gap 17 is formed between the two magnets 161 and the second magnetically permeable plate 162 and the second side wall 113.

Specifically, the upper end of the second magnet 161 and the bottom plate 111 may be welded, and the lower end of the second magnet 161 and the second magnetically conductive plate 162 may be welded.

The second voice coil 163 is disposed in the second ring gap magnetic gap 17. An end of the second voice coil 163 far from the bottom plate 111 (the lower end shown in FIG. 1) is fixedly connected to the second diaphragm 40.

Specifically, the second voice coil 163 and the second diaphragm 40 may be welded.

Since a second ring gap magnetic gap 17 is formed between the second magnet 161 and the second magnetically permeable plate 162 and the second side wall 113, the second voice coil 163 provided in the second ring gap magnetic gap 17 passes a current signal. In the case of the second voice coil 163, it will be subjected to Lorentz force and vibrate up and down under the action of Lorentz force. Since the second voice coil 163 is fixedly connected to the second diaphragm 40, the second diaphragm 40 will be vibrated up and down by the second voice coil 163. In this way, the second diaphragm 40 will emit sound due to the vertical vibration.

It can be seen that, in this embodiment, the second driving component can realize the vibration and sound of the second diaphragm 40 through an electromagnetic driving manner, and the overall structure of the second driving component is very simple.

It should be noted that when the first driving component and the second driving component adopt the structures listed above, if the first diaphragm 20 and the second diaphragm 40 are to be close to or away from the drive mechanism 10 at the same time, the first The current direction of the one voice coil 143 and the second voice coil 163 should be opposite from the cross-sectional view. Specifically, in the case where the current direction on the first voice coil 143 is inflow, the current direction at the corresponding position of the second voice coil 163 should be outflow (the coil white in FIG. 1 indicates outflow and black indicates inflow).

Optionally, the receiver satisfies at least one of the following:

The performance parameters of the first diaphragm 20 and the second diaphragm 40 are the same;

The performance parameters of the first magnet 141 and the second magnet 161 are the same;

The performance parameters of the first magnetically conductive plate 142 and the second magnetically conductive plate 162 are the same;

The performance parameters of the first voice coil 143 and the second voice coil 163 are the same.

The performance parameters of the first diaphragm 20 and the second diaphragm 40 may include an elastic modulus, a thermal expansion coefficient, a Poisson's ratio, and the like, which are not listed here one by one.

The performance parameters of the first magnet 141 and the second magnet 161 may include a magnetic energy product, a coercive force, a temperature coefficient, and the like, which are not listed here one by one.

The performance parameters of the first voice coil 143 and the second voice coil 163 may include a maximum outer diameter, a DC resistance, a number of turns, and the like, which are not listed here one by one.

In this embodiment, devices of the same type in the receiver can use devices with the same performance parameters. In this case, while the two diaphragms are moving in the same phase, if the currents passing through the two voice coils are the same, The motion parameters (such as displacement, velocity, etc.) of the two diaphragms can also be the same, which is helpful to balance the air pressure in the mobile terminal.

In summary, this embodiment can achieve double-sided sound output from a mobile terminal, and compared with the related art, this embodiment can effectively reduce the degree of sound attenuation, and the sound quality of double-sided sound output from a mobile terminal can be effectively guaranteed.

The mobile terminal provided by the embodiments of the present disclosure will be described below.

Referring to FIG. 2, a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure is shown. As shown in FIG. 2, the mobile terminal includes a first sound hood 80 and a second sound hood 90 provided on opposite sides of the mobile terminal. The mobile terminal further includes the above-mentioned receiver, and the first diaphragm in the receiver. 20 is disposed opposite the first sound output cover 80, and the second diaphragm 40 in the receiver is disposed opposite the second sound output cover 90.

It can be seen that, in the embodiment of the present disclosure, by providing two diaphragms in the receiver, the sound generated by the vibration of each diaphragm need only be derived from one side of the mobile terminal, and the sound guide channel corresponding to each diaphragm is relatively short. In addition, through the sealed connection between the two diaphragms and the two shells, the sound generated by the vibration of each diaphragm cannot be leaked. Therefore, the mobile terminal can achieve double-sided sound output. Compared with the related technology, the embodiments of the present disclosure It can effectively reduce the degree of sound attenuation, and the sound quality of the double-sided sound of the mobile terminal can be effectively guaranteed.

Optionally, the mobile terminal further includes a first screen 120 and a second screen 130 that are oppositely set;

The first screen 120 is disposed on the same side as the first sound hood 80, and the second screen 130 is disposed on the same side as the second sound hood 90.

It can be understood that the mobile terminal including the first screen 120 and the second screen 130 is specifically a dual-screen mobile terminal. In this way, this embodiment can implement double-sided sound output from the dual-screen mobile terminal.

Optionally, a rear cavity 110 is provided between the first screen 120 and the second screen 130;

The first housing 30, the first diaphragm 20, and the first sound hood body 80 surround a first front cavity 140 that is isolated from the rear cavity 110;

The second casing 50, the second diaphragm 40, and the second sound emitting cover body 90 surround a second front cavity 150 which is isolated from the rear cavity 110.

In this embodiment, the two diaphragms can share the same back cavity (ie, the back cavity 110). Due to the sharing of the back cavity 110, there is no need to provide two back cavities inside the mobile terminal, and it is not necessary to provide two The partition can effectively save the space inside the mobile terminal to reduce the thickness of the mobile terminal, thereby ensuring the lightness and thinness of the mobile terminal.

Optionally, a distance between the driving mechanism 10 in the receiver and the first sound emitting hood 80 is equal to a distance between the driving mechanism 10 and the second sound emitting hood 90.

In this embodiment, since the distance between the driving mechanism 10 and the first sound hood 80 is equal to the distance between the driving mechanism 10 and the second sound hood 90, it can be considered that the driving mechanism 10 is specifically installed in the cavity of the mobile terminal (from the first The center position within the sound enclosure body 80, the second sound enclosure body 90, and the main upper 100 is formed. This is helpful to ensure that the structures of the first front cavity 140 and the second front cavity 150 are consistent, so that The audio performance of the mobile terminal is better.

In summary, this embodiment can realize double-sided sound output from a mobile terminal. Compared with the related art, this embodiment can effectively reduce the degree of sound attenuation, and the sound quality of double-sided sound output from a mobile terminal can be effectively guaranteed.

The above are only specific implementations of the present disclosure, but the scope of protection of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present disclosure. It should be covered by the protection scope of this disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

A receiver including:

Drive mechanism;

A first diaphragm is located at one end of the driving mechanism, and the driving mechanism is configured to drive the first diaphragm to vibrate and sound;

A first housing, a central hole for the drive mechanism to pass through, and an open end of the first diaphragm is hermetically connected to the first housing;

A second diaphragm is located at the other end of the drive mechanism, and the drive mechanism is further configured to drive the second diaphragm to vibrate and sound;

The second casing has a central hole through which the driving mechanism can pass, and the open end of the second diaphragm is hermetically connected to the second casing.
The receiver according to claim 1, wherein when the driving mechanism drives the first diaphragm and the second diaphragm to vibrate and make sound at the same time, the first diaphragm and the second diaphragm are simultaneously approached to each other. Said driving mechanism or away from said driving mechanism at the same time.
The receiver according to claim 1, wherein the driving mechanism comprises:

The basin frame includes a bottom plate, a first side wall, and a second side wall. The first side wall is disposed on one side of the bottom plate, and the first side wall and the bottom plate are surrounded to form a first receiving cavity. The second side wall is disposed on the other side of the bottom plate, and the second side wall and the bottom plate are surrounded to form a second accommodation cavity;

A first driving component installed in the first accommodating cavity, the first driving component being configured to drive the first diaphragm to vibrate and sound;

A second driving component is installed in the second accommodating cavity, and the second driving component is used for driving the second diaphragm to vibrate and sound.
The receiver according to claim 3, wherein the first driving component comprises:

A first magnet, one end of which is fixedly connected to the bottom plate;

A first magnetically permeable plate that is fixedly connected to the other end of the first magnet, and a first annular magnetic gap is formed between the first magnet and the first magnetically permeable plate and the first side wall;

A first voice coil is disposed in the first annular magnetic gap, and an end of the first voice coil remote from the bottom plate is fixedly connected to the first diaphragm.
The receiver according to claim 4, wherein the second driving component comprises:

A second magnet, one end of which is fixedly connected to the bottom plate;

A second magnetically permeable plate that is fixedly connected to the other end of the second magnet, and a second ring gap magnetic gap is formed between the second magnet and the second magnetically permeable plate and the second side wall;

A second voice coil is disposed in the second ring gap magnetic gap, and an end of the second voice coil remote from the bottom plate is fixedly connected to the second diaphragm.
The receiver according to claim 5, wherein the receiver satisfies at least one of the following:

Performance parameters of the first diaphragm and the second diaphragm are the same;

Performance parameters of the first magnet and the second magnet are the same;

Performance parameters of the first magnetically permeable plate and the second magnetically permeable plate are the same;

The performance parameters of the first voice coil and the second voice coil are the same.
A mobile terminal includes a first sound hood and a second sound hood that are disposed on opposite sides of the mobile terminal, and further includes:

The receiver according to any one of claims 1 to 6, wherein a first diaphragm in the receiver is disposed opposite to the first sound hood, and a second diaphragm in the receiver is in contact with the second The sound emitting cover body is oppositely arranged.
The mobile terminal according to claim 7, wherein the mobile terminal further comprises a first screen and a second screen disposed opposite to each other; wherein the first screen is disposed on the same side as the first sound emitting cover, and The second screen is disposed on the same side as the second sound output cover.
The mobile terminal according to claim 8, wherein:

A rear cavity is provided between the first screen and the second screen;

The first housing, the first diaphragm, and the first sound output cover body surround a first front cavity that is isolated from the rear cavity;

The second casing, the second diaphragm, and the second sound output cover body are surrounded to form a second front cavity that is isolated from the rear cavity.
The mobile terminal according to claim 7, wherein a distance between a driving mechanism in the receiver and the first sound emitting cover body is equal to a distance between the driving mechanism and the second sound emitting cover body.