CN211909140U

CN211909140U - Mobile terminal

Info

Publication number: CN211909140U
Application number: CN202020572328.1U
Authority: CN
Inventors: 张文海; 吕伟楠; 鄢明智; 曹军
Original assignee: Shenzhen Transsion Communication Co Ltd
Current assignee: Shenzhen Transsion Communication Co Ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-10
Anticipated expiration: 2030-04-16

Abstract

The application relates to a mobile terminal, including electroacoustic device, dust screen and stationary blade, the stationary blade setting in the outside of the vibrating diaphragm of electroacoustic device and with the vibrating diaphragm contactless, the middle part region of stationary blade is sunken to form the recess towards the direction of vibrating diaphragm dorsad, the dust screen is fixed on one side surface of the vibrating diaphragm dorsad of recess. Through this kind of mode, this application can pull open the distance between the vibrating diaphragm of dust screen and electroacoustic device to reduce the vibration range of dust screen, thereby reduce the working height of electroacoustic device, be favorable to the function integration at device miniaturization and terminal.

Description

Mobile terminal

Technical Field

The application relates to the technical field of terminals, in particular to a mobile terminal.

Background

The electroacoustic device drives the vibrating diaphragm to vibrate up and down through the force generated by the coil cutting the magnetic force lines, so as to push air to compress, thereby generating sound waves to be received by users, such as a loudspeaker and a receiver. Because the electroacoustic device can produce the magnetic field in the course of the work, therefore usually need increase the dust screen in the vibrating diaphragm outside of electroacoustic device to prevent debris such as iron fillings from being adsorbed and influencing audio performance. Along with mobile terminal integrated function is more and more, the electroacoustic device that its used also develops towards small-size, high performance's direction for the required displacement volume of vibrating diaphragm constantly increases, the displacement of vibrating diaphragm increases and means and increasingly limits with the distance between the dust screen, if the safe distance of vibrating diaphragm and dust screen is not enough, the vibrating diaphragm will resonate with the dust screen in work, produce and interfere the noise, and increase the distance between vibrating diaphragm and the dust screen, then the working height of electroacoustic device also can increase relatively, influence the miniaturized and function integration of terminal of device.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the application provides a mobile terminal, can reduce the working height of electroacoustic device, is favorable to the miniaturization of device and the function integration of terminal.

For solving the technical problem, the application provides a mobile terminal, including electroacoustic device, dust screen and stationary blade, the stationary blade sets up the outside of electroacoustic device's vibrating diaphragm and with the vibrating diaphragm is contactless, the middle part region of stationary blade faces dorsad the sunken recess that forms of direction of vibrating diaphragm, the dust screen is fixed dorsad of recess a side of vibrating diaphragm is on the surface.

The electroacoustic device, the dust screen and the fixed sheet are sequentially arranged along the thickness direction of the mobile terminal.

Wherein a sealing member is provided between the edge area of the fixing sheet and the electroacoustic device.

The mobile terminal is provided with a support table around the outer side of the vibrating diaphragm of the electroacoustic device, and the edge area of the fixing sheet is pressed against the support table under the extrusion of the electroacoustic device and the sealing element.

The distance between the surface of one side of the groove facing the diaphragm and the diaphragm is greater than or equal to the displacement of the diaphragm during working.

The groove is provided with a plurality of through holes, and the dust screen covers the through holes.

The through holes are a plurality of strip-shaped through holes which are parallel to each other.

The mobile terminal is provided with a sound guide cavity and a sound outlet hole, and the dust screen and the sound outlet hole are respectively located at two ends of the sound guide cavity.

Wherein, the fixed plate is a steel sheet.

Wherein the electroacoustic device comprises an earpiece and/or a loudspeaker.

As above, the mobile terminal of this application, including electroacoustic device, dust screen and stationary blade, the stationary blade setting is in the outside of the vibrating diaphragm of electroacoustic device and can not contact with the vibrating diaphragm, and the middle part region of stationary blade is sunken to form the recess towards the direction of vibrating diaphragm dorsad, and the dust screen is fixed on one side surface of the vibrating diaphragm dorsad of recess. Through this kind of mode, this application can pull open the distance between the vibrating diaphragm of dust screen and electroacoustic device to reduce the vibration range of dust screen, thereby reduce the working height of electroacoustic device, be favorable to the function integration at device miniaturization and terminal.

Drawings

Fig. 1 is a schematic configuration diagram of a mobile terminal shown according to a first embodiment;

FIG. 2 is a schematic view of the anchor sheet of FIG. 1;

fig. 3 is a schematic structural diagram of a mobile terminal shown according to a second embodiment.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present application. The following detailed description is not to be taken in a limiting sense, and the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

First embodiment

Fig. 1 is a schematic configuration diagram of a mobile terminal shown according to a first embodiment. Referring to fig. 1, the mobile terminal of the present embodiment includes an electroacoustic device 25, a dust screen 22, and a fixing plate 21, wherein the fixing plate 21 is disposed outside a vibrating diaphragm 251 of the electroacoustic device 25 and is not in contact with the vibrating diaphragm 251, a middle region of the fixing plate 21 is recessed toward a direction away from the vibrating diaphragm 251 to form a groove 211, and the dust screen 22 is fixed on a side surface of the groove 211 facing away from the vibrating diaphragm 251.

Stator 21 parallel arrangement is in the outside of vibrating diaphragm 251, because stator 21 and vibrating diaphragm 251 can not contact, and the middle part region of stator 21 is sunken to form recess 211 towards the direction of vibrating diaphragm 251 dorsad, dust screen 22 is fixed on the side surface of recess 211's vibrating diaphragm 251 dorsad, compare with not setting up stator 21, can be under the prerequisite that does not increase complete machine thickness, pull open the distance between dust screen 22 and the vibrating diaphragm 251, furthermore, stator 21 can play the effect of supporting and fixed dust screen 22, reduce the vibration range of dust screen 22, thereby can reduce the vibration range of dust screen 22 under the unchangeable condition of vibration range of vibrating diaphragm 251, make dust screen 22 can more be close to vibrating diaphragm 251 setting and can not take place to interfere with vibrating diaphragm 251, effectively reduce the working height of electroacoustic device 25, the structure is compacter.

In this embodiment, to ensure that the diaphragm 251 does not interfere with the fixing plate 21 during operation, the distance between the surface of the recess 211 of the fixing plate 21 facing the diaphragm 251 and the diaphragm 251 is greater than or equal to the displacement of the diaphragm 251 during operation, so that the diaphragm 251 does not touch the fixing plate 21 during vibration. The fixing plate 21 is a rigid sheet material, including but not limited to a steel sheet, and the thickness of the fixing plate 21 only needs to provide enough supporting force to reduce the vibration amplitude of the dust screen 22. In this embodiment, the fixing plate 21 is a steel plate, which not only functions to support and fix the dust screen 22, but also can change the magnetic line distribution of the electroacoustic device 25, reduce the adsorption of the magnetic field to the external iron filings, and thus enhance the protection performance of the dust screen 22.

Referring to fig. 2, a plurality of through holes 213 are formed in the recess 211 of the fixing plate 21 to allow sound waves generated by the electroacoustic device 25 to be transmitted outwards through the fixing plate 21, and a dust screen 22 covers the plurality of through holes 213 to prevent foreign substances such as external iron filings from entering the electroacoustic device 25, in this embodiment, the through holes 213 are strip-shaped through holes 213 and are parallel to each other, and the dust screen 22 can be fixed on the fixing plate 21 by means of adhesion.

Referring to fig. 1 again, a sealing member 23 is disposed between the edge region 212 of the fixing plate 21 and the electroacoustic device 25, a support 28 is disposed around the outer side of the vibrating diaphragm 251 of the electroacoustic device 25 of the mobile terminal, the support 28 surrounds the electroacoustic device 25 for a circle, a through hole for receiving the groove 211 of the fixing plate 21 is formed in the middle, the edge region 212 of the fixing plate 21 abuts against the support 28 under the pressing of the electroacoustic device 25 and the sealing member 23, and the fixing plate 21 is fixed inside the mobile terminal. In this embodiment, the seal 23 is a sealing foam.

As shown in fig. 1, the mobile terminal is provided with a sound guiding cavity 26 and a sound outlet 27, the dust screen 22 and the sound outlet 27 are respectively located at two ends of the sound guiding cavity 26, and the sound wave channel generated by the electroacoustic device 25 reaches the sound outlet 27 through the sound guiding cavity 26, so as to be sensed by human ears. The electroacoustic device 25 includes an earphone and/or a speaker, etc. which operate by generating sound waves through vibration of the vibrating diaphragm 251, and when the electroacoustic device 25 is an earphone, the sound outlet 27 is usually located on one side of the thickness direction of the mobile terminal, for example, on one side of the screen, and at this time, the electroacoustic device 25, the dust screen 22 and the fixing plate 21 are sequentially arranged along the thickness direction of the mobile terminal, that is, along the Z direction in fig. 1. Thus, the dust screen 22 is fixed by the fixing sheet 21 provided with the groove 211, so that the working height of the electroacoustic device 25 can be reduced, the thickness of the mobile terminal can be effectively reduced, and the miniaturization of the device and the development of function integration and lightness and thinness of the terminal are facilitated. It is understood that when the electroacoustic device 25 is a speaker, the electroacoustic device 25, the fixing plate 21 and the dust screen 22 may be installed in the mobile terminal in the same manner as the earpiece.

The mobile terminal of this embodiment, including electroacoustic device, dust screen and stationary blade, the stationary blade setting is in the outside of electroacoustic device's vibrating diaphragm and can not contact with the vibrating diaphragm, and the middle part region of stationary blade is sunken to form the recess towards the direction of vibrating diaphragm dorsad, and the dust screen is fixed on one side surface of the vibrating diaphragm dorsad of recess. Through this kind of mode, this application can pull open the distance between the vibrating diaphragm of dust screen and electroacoustic device to reduce the vibration range of dust screen, thereby reduce the working height of electroacoustic device, be favorable to the function integration at device miniaturization and terminal.

Second embodiment

Fig. 3 is a schematic structural diagram of a mobile terminal shown according to a second embodiment. Referring to fig. 3, the mobile terminal 10 of the present embodiment includes an electroacoustic device, and a fixing plate and a dust-proof net according to the first embodiment, and details of an installation structure and a matching structure of the electroacoustic device, the fixing plate, and the dust-proof net in the mobile terminal are described in the first embodiment. The mobile terminal of the present embodiment further includes a memory 102, a memory controller 104, one or more (only one shown) processors 106, a peripheral interface 108, a radio frequency module 150, a positioning module 112, a camera module 114, an audio module 116, a screen 118, and a key module 160. These components communicate with each other via one or more communication buses/signal lines 122.

It will be appreciated that the configuration shown in FIG. 3 is merely exemplary, and that the mobile terminal 10 may include more or fewer components than shown in FIG. 3, or may have a different configuration than shown in FIG. 3. The components shown in fig. 3 may be implemented in hardware, software, or a combination thereof.

The memory 102 may be used to store software programs and modules that the processor 106 executes to perform various functional applications and data processing by executing software programs and modules stored in the storage controller 104.

The memory 102 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 102 may further include memory located remotely from the processor 106, which may be connected to the mobile terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. Access to the memory 102 by the processor 106, and possibly other components, may be under the control of the memory controller 104.

Peripheral interface 108 couples various input/output devices to the CPU and memory 102. The processor 106 executes various software, instructions within the memory 102 to perform various functions of the mobile terminal 10 and data processing.

In some embodiments, the peripheral interface 108, the processor 106, and the memory controller 104 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.

The rf module 150 is used for receiving and transmitting electromagnetic waves, and implementing interconversion between the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices. Rf module 150 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The rf module 150 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices via a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Mobile Communication (Enhanced Data GSM Environment, EDGE), wideband Code division multiple Access (W-CDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), bluetooth, Wireless Fidelity (WiFi) (e.g., IEEE802.11a, IEEE802.11 b, IEEE802.1 g, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide mail Access (Microwave for information, Access, Wi-15, Max), and any other suitable short message Communication protocols, and may even include those protocols that have not yet been developed.

The location module 112 is used to obtain the current location of the mobile terminal 10. Examples of the positioning module 112 include, but are not limited to, a global positioning satellite system (GPS), a wireless local area network-based positioning technology, or a mobile communication network-based positioning technology.

The camera module 114 is used to take a picture or video. The pictures or videos taken may be stored in the memory 102 and transmitted through the radio frequency module 150.

Audio module 116 provides an audio interface to a user that may include one or more microphones, one or more speakers, and audio circuitry. The audio circuitry receives audio data from the peripheral interface 108, converts the audio data to electrical information, and transmits the electrical information to the speaker. The speaker converts the electrical information into sound waves that the human ear can hear. The speaker is used as an electroacoustic device, and can be matched with the fixing sheet and the dust screen in the first embodiment to improve the integration degree of the mobile terminal. The audio circuitry also receives electrical information from the microphone, converts the electrical information to voice data, and transmits the voice data to the peripheral interface 108 for further processing. The audio data may be retrieved from the memory 102 or through the radio frequency module 150. In addition, the audio data may also be stored in the memory 102 or transmitted through the radio frequency module 150. In some examples, the audio module 116 may also include an earphone jack for providing an audio interface to a headset or other device.

The screen 118 provides an output interface between the mobile terminal 10 and the user. In particular, screen 118 displays video output to the user, the content of which may include text, graphics, video, and any combination thereof. Some of the output results are for some of the user interface objects. It is understood that the screen 118 may also include a touch screen. The touch screen provides both an output and an input interface between the mobile terminal 10 and a user. In addition to displaying video output to users, touch screens also receive user input, such as user clicks, swipes, and other gesture operations, so that user interface objects respond to these user input. The technique of detecting user input may be based on resistive, capacitive, or any other possible touch detection technique. Specific examples of touch screen display units include, but are not limited to, liquid crystal displays or light emitting polymer displays.

The key module 160 also provides an interface for user input to the mobile terminal 10, and the user may cause the mobile terminal 10 to perform different functions by pressing different keys.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. The utility model provides a mobile terminal, its characterized in that includes electroacoustic device, dust screen and stationary blade, the stationary blade sets up the outside of electroacoustic device's vibrating diaphragm and with the vibrating diaphragm is contactless, the middle part region of stationary blade is towards the dorsad the sunken recess that forms of direction of vibrating diaphragm, the dust screen is fixed the dorsad of recess on a side surface of vibrating diaphragm.

2. The mobile terminal according to claim 1, wherein the electroacoustic device, the dust screen and the fixing plate are sequentially disposed in a thickness direction of the mobile terminal.

3. A mobile terminal according to claim 1 or 2, wherein a seal is provided between an edge region of the stator and the electro-acoustic device.

4. A mobile terminal according to claim 3, wherein the mobile terminal is provided with a support around the outside of the diaphragm of the electroacoustic device, and the edge region of the stator abuts against the support under the compression of the electroacoustic device and the sealing member.

5. A mobile terminal according to claim 1, wherein a distance between a surface of the recess facing the diaphragm and the diaphragm is greater than or equal to a displacement of the diaphragm during operation.

6. The mobile terminal of claim 1, wherein the recess is provided with a plurality of through holes, and the dust screen covers the plurality of through holes.

7. The mobile terminal of claim 6, wherein the plurality of through holes are a plurality of strip-shaped through holes parallel to each other.

8. The mobile terminal of claim 1, wherein the mobile terminal is provided with a sound guiding cavity and a sound outlet, and the dust screen and the sound outlet are respectively located at two ends of the sound guiding cavity.

9. The mobile terminal of claim 1, wherein the fixing sheet is a steel sheet.

10. A mobile terminal according to claim 1, characterized in that the electro-acoustic device comprises an earpiece and/or a speaker.