CN113596199B

CN113596199B - EMA assembly, mobile terminal, sounding method and computer storage medium

Info

Publication number: CN113596199B
Application number: CN202010367783.2A
Authority: CN
Inventors: 王彦彬
Original assignee: Nanjing ZTE New Software Co Ltd
Current assignee: Nanjing ZTE New Software Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2024-09-10
Anticipated expiration: 2040-04-30
Also published as: WO2021218242A1; CN113596199A

Abstract

The application discloses an EMA assembly, a mobile terminal, a sounding method and a computer storage medium, wherein the EMA assembly comprises a bracket body, a sliding block assembly, a swinging rod, an EMA device and a driving device, and the bracket body is provided with a first guide rail and a second guide rail which are intersected; the sliding block assembly comprises a first sliding block arranged in the first guide rail and a second sliding block arranged in the second guide rail; the swing rod is hinged with the first sliding block and the second sliding block respectively; the EMA device is arranged on the swing rod; the driving device comprises a first driving device for driving the first sliding block to move and a second driving device for driving the second sliding block to move; the first driving device drives the first sliding block to reciprocate along the first guide rail, the second driving device drives the second sliding block to reciprocate along the second guide rail, and the first sliding block and the second sliding block are hinged with the swing rod, so that the swing rod is driven to rotate, the EMA device on the swing rod can be driven to change positions, sounding at a required position can be achieved, and directional transmission of sound waves is achieved.

Description

EMA assembly, mobile terminal, sounding method and computer storage medium

Technical Field

The embodiment of the application relates to the technical field of screen sounding, in particular to an EMA (electronic mail) component, a mobile terminal, a sounding method and a computer storage medium.

Background

With the application and popularization of the screen sounding technology in high-end mobile phones, the application of electromagnetic vibrators (Electro-Magnetic Actuator, EMA) is also becoming more and more widespread. The EMA device has mainly two kinds of: resonant EMA devices and direct drive EMA devices. The resonant EMA device can be used as a non-porous earpiece and a linear motor, and can be applied to a flexible Organic light emitting display (Organic LIGHT EMITTING DISPLAY, OLED) screen, a hard OLED screen, or a Liquid crystal display (Liquid CRYSTAL DISPLAY, LCD) screen, but has disadvantages in that sound transmission does not have obvious directivity and large leakage. The direct-drive type EMA device can be used as a non-porous earphone and a linear motor, can be applied to a flexible OLED screen or a rear cover loudspeaker, and has the advantages of small leakage sound, high loudness and close to a common earphone. According to the current development trend, the direct-drive EMA device is a main direction of development in the technical field in the future, but there is a fatal problem: the loudness is high, and the privacy is not strong, if the loudness is reduced, the whole loudness in the use process of the user can be insufficient.

Disclosure of Invention

The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

The embodiment of the application provides an EMA assembly, a mobile terminal, a sound production method of the mobile terminal and a computer storage medium, which can realize directional transmission of sound waves.

In a first aspect, an embodiment of the present application provides an electromagnetic vibrator EMA assembly, including:

The bracket body is provided with a first guide rail and a second guide rail which are intersected;

the sliding block assembly comprises a first sliding block arranged in the first guide rail and a second sliding block arranged in the second guide rail;

The swing rod is hinged with the first sliding block and the second sliding block respectively;

the EMA device is arranged on the swing rod;

The driving device comprises a first driving device and a second driving device, wherein the first driving device is used for driving the first sliding block to reciprocate along the first guide rail, and the second driving device is used for driving the second sliding block to reciprocate along the second guide rail.

In a second aspect, an embodiment of the present application provides a mobile terminal, including a screen, a rigid elastic sheet for transmitting vibration, and an EMA assembly according to the first aspect, where the screen is located above the EMA assembly, the rigid elastic sheet is disposed at the bottom of the screen and is located on a movement path of the EMA device, and the movement path is a set formed by positions where the EMA device passes during a process where the first slider reciprocates in the first guide rail and the second slider reciprocates in the second guide rail.

In a third aspect, an embodiment of the present application provides a sounding method of a mobile terminal, which is applied to the mobile terminal in the second aspect, where the method includes:

Acquiring a screen event response signal;

Determining a sounding position according to the screen event response message;

controlling the driving device to drive the sliding block assembly to drive the swing rod to move, so that the EMA device is positioned at a sounding position;

and controlling the operation of the EMA device.

In a fourth aspect, an embodiment of the present application provides a terminal, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the mobile terminal sounding method according to the embodiment of the third aspect when executing the computer program.

In a fifth aspect, an embodiment of the present application provides a computer storage medium storing computer executable instructions, where the computer executable instructions are configured to perform the sounding method of a mobile terminal according to the third aspect.

According to the scheme provided by the embodiment of the application: through setting up the support body, the support body is provided with crossing first guide rail and second guide rail, and first drive arrangement drives first slider along first guide rail reciprocating motion, and second drive arrangement drives second slider along second guide rail reciprocating motion, because first slider and second slider are articulated with the pendulum rod to drive the pendulum rod and rotate, and then can drive the EMA device transformation position on the pendulum rod, can realize sounding in required position, thereby realize directional transmission sound wave.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and do not limit the application.

FIG. 1 is a schematic diagram of an EMA assembly according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a first state of an EMA device of an EMA assembly provided by an embodiment of the application;

FIG. 3 is a schematic diagram of a second state of an EMA device of an EMA assembly provided by an embodiment of the application;

FIG. 4 is a third state schematic diagram of an EMA device of an EMA assembly provided by an embodiment of the application;

FIG. 5 is a fourth state schematic of an EMA device of an EMA assembly provided by an embodiment of the application;

FIG. 6 is a schematic diagram of a first driving apparatus of an EMA assembly according to an embodiment of the present application;

FIG. 7 is an exploded view of a first drive device of an EMA assembly according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;

Fig. 9 is a flowchart of a sound producing method of a mobile terminal according to an embodiment of the present application;

fig. 10 is a block diagram of a terminal according to an embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart.

Based on the above, the application provides the EMA component, the mobile terminal, the sounding method of the mobile terminal and the computer storage medium, which can sound at a required position, thereby realizing directional transmission of sound waves.

Embodiments of the present application will be further described below with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the first aspect of the present application provides an electromagnetic vibrator EMA assembly, including:

The bracket comprises a bracket body 100, wherein a first guide rail 110 and a second guide rail 120 which are intersected are arranged in the bracket body 100;

A slider assembly 200 including a first slider 210 disposed within the first rail 110 and a second slider 220 disposed within the second rail 120;

the swing rod 300 is hinged with the first sliding block 210 and the second sliding block 220 respectively;

An EMA device 400 disposed on the swing link 300;

the driving device comprises a first driving device for driving the first sliding block 210 to reciprocate along the first guide rail 110 and a second driving device for driving the second sliding block 220 to reciprocate along the second guide rail 120.

In this embodiment, the first driving device is controlled to drive the first slider 210 to reciprocate along the first guide rail 110, and the second driving device is controlled to drive the second slider 220 to reciprocate along the second guide rail 120, so that the first slider 210 and the second slider 220 are hinged with the swing rod 300 to drive the swing rod 300 to rotate, and further, the EMA device 400 on the swing rod 300 can be driven to change positions, so that directional transmission of sound waves can be realized.

Specifically, referring to fig. 1 and 2, the first rail 110 and the second rail 120 are disposed perpendicular to each other. The first end of the swing link 300 is hinged to the second slider 220, and the EMA device 400 is disposed at the second end of the swing link 300, with the first slider 210 and the swing link 300 being hinged between the first end of the swing link 300 and the second end of the swing link 300. When the first slider 210 reciprocates along the first guide rail 110 and the second slider 220 reciprocates along the second guide rail 120, the movement path of the EMA device 400 is an ellipse as shown by the dotted line in fig. 2, and fig. 2 to 5 are schematic diagrams of states when the EMA device 400 moves to four vertices of the elliptical movement path, respectively. It will be appreciated that the EMA device 400 may be located elsewhere on the pendulum 300 and is not limited to the second end of the pendulum 300.

In addition, a plurality of EMA devices 400 may be provided on the swing lever 300 to achieve a stereo effect. The EMA device 400 is typically adhered to the swing rod 300 by using a back adhesive.

Referring to fig. 6 and 7, the first driving device includes a first motor 510 disposed at the bottom of the first slider 210 and a first roller 520 driven by the first motor 510 to rotate, where the first roller 520 abuts against the first rail 110; the first motor 510 is operated to rotate the first roller 520, so that the first slider 210 can move along the first rail 110. The first guide rail 110 includes a first upper rail groove 111 and a first lower rail groove 112, the width of the first upper rail groove 111 is greater than the width of the first lower rail groove 112, the first slider 210 is located in the first upper rail groove 111, and the first motor 510 and the first roller 520 are located in the first lower rail groove 112.

Similarly, referring to fig. 8, the second driving device has the same structure as the first driving device, and the second driving device includes a second motor 530 disposed at the bottom of the second slider 220 and a second roller 540 driven by the second motor 530 to rotate, where the second roller 540 abuts against the second rail 120; the second motor 530 operates to rotate the second roller 540, so that the second slider 220 can move along the second rail 120. Wherein, the second guide rail includes a second upper rail groove and a second lower rail groove, the width of the second upper rail groove is greater than the width of the second lower rail groove, the second slider 220 is located in the second upper rail groove, and the second motor 530 and the second roller 540 are located in the second lower rail groove.

Referring to fig. 1, a first pin shaft 211 is provided at the top of the first slider 210, a second pin shaft 221 is provided at the top of the second slider 220, a first shaft hole and a second shaft hole are provided on the swing link 300, the first pin shaft 211 is provided in the first shaft hole, and the second pin shaft 221 is provided in the second shaft hole. When the first slider 210 moves along the first guide rail 110, the first pin shaft 211 rotates relative to the first shaft hole; the second pin 221 rotates relative to the second shaft hole when the second slider 220 moves along the second guide rail 120; the force applied by the first pin shaft 211 and the second pin shaft 221 simultaneously drives the swing rod 300 to rotate, so that the EMA device 400 is driven to change positions.

An embodiment of a second aspect of the present application provides a mobile terminal comprising an EMA assembly according to an embodiment of the first aspect of the present application. The mobile terminal may be any type of smart terminal, such as a smart phone, tablet, laptop, etc.

Specifically, referring to fig. 8, the mobile terminal further includes a screen 600 and a rigid dome 700 for transmitting vibration, the screen 600 being positioned above the EMA assembly, the rigid dome 700 being disposed at the bottom of the screen 600 and on a movement path of the EMA device 400;

Wherein the movement path is a set of positions through which the EMA device 400 passes during the reciprocation of the first slider 210 within the first rail 110 and the reciprocation of the second slider 220 within the second rail 120.

Wherein, the screen 600 may be a capacitive touch screen, and the rigid spring plate 700 may be continuously disposed on a motion path of the EMA device 400; or the number of the rigid elastic pieces 700 is plural, and the plural rigid elastic pieces are uniformly distributed on the movement path, for example, the rigid elastic pieces 700 are provided at four vertexes of the elliptical movement path in fig. 2 to 4. When the EMA device 400 moves to four vertices of the elliptical motion trajectory, the EMA device 400 and the rigid dome 700 thereof contact and engage and transfer vibrations, thereby sounding the screen 600.

An embodiment of a third aspect of the present application provides a sounding method for a mobile terminal, which is applied to a mobile terminal of an embodiment of the second aspect of the present application, and referring to fig. 9, the method includes the following steps:

s100: acquiring a screen event response signal;

S200: determining a sounding position according to the screen event response message;

S300: the driving device is controlled to drive the sliding block assembly 200 to drive the swing rod 300 to move, so that the EMA device 400 is positioned at the sounding position;

s400: the EMA device 400 is controlled to operate.

In this embodiment, when the mobile terminal uses the audio service, the audio service may be answering a call, listening to music, or the like; the screen event response signal is a trigger signal generated when a human body (e.g., an ear) approaches or touches the screen 600; the user's ear approaches the screen 600, the mobile terminal detects through the sensor or judges and identifies through detecting the capacitance value and the resistance value of the screen 600, and acquires the screen event response signal, so as to determine the sounding position according to the screen event response signal; then, the driving device is controlled to drive the sliding block assembly 200 to drive the swing rod 300 to move, so that the EMA device 400 is positioned at the sounding position, the EMA device 400 is in contact fit with the rigid elastic sheet 700 at the sounding position, finally, the operation of the EMA device 400 is controlled to sound, vibration of the EMA device 400 is transmitted to the screen 600 through the rigid elastic sheet 700, and then the sound is transmitted to the user's ear, so that directional transmission of sound waves is realized.

Referring to fig. 10, a fourth aspect of the present application provides a terminal including: the present application provides a sound producing method for a mobile terminal according to the third aspect of the present application, for example, performing the method steps S100 to S400 of fig. 9 described above, when the processor executes the computer program. The processor and the memory may be connected by a bus or otherwise, for example in fig. 10.

Furthermore, an embodiment of the present application provides a computer-readable storage medium storing computer-executable instructions that are executed by a processor or controller, for example, by a processor in fig. 10, to cause the processor to perform the mobile terminal sounding method in the above embodiment, for example, to perform the method steps S100 to S400 of fig. 9 described above.

Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media or non-transitory media and communication media or transitory media. The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk DVD or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by the computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.

While the preferred embodiment of the present application has been described in detail, the present application is not limited to the above embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims

1. An electromagnetic vibrator EMA assembly comprising:

the EMA device is arranged on the swing rod;

2. The EMA assembly of claim 1, wherein the first rail and the second rail are perpendicular to each other.

3. The EMA assembly of claim 1, wherein the first end of the rocker is hinged to the second slider, the EMA device is disposed at the second end of the rocker, and the first slider and the rocker are hinged between the first end and the second end.

4. The EMA assembly according to claim 1, wherein the first driving device includes a first motor disposed at the bottom of the first slider and a first roller driven by the first motor to rotate, the first roller pressing against the first rail; the second driving device comprises a second motor arranged at the bottom of the second sliding block and a second roller driven by the second motor to rotate, and the second roller abuts against the second guide rail.

5. The EMA assembly of claim 4, wherein the first rail includes a first upper track groove and a first lower track groove, the first upper track groove having a width greater than a width of the first lower track groove, the first slider positioned in the first upper track groove, the first motor and the first roller positioned in the first lower track groove.

6. The EMA assembly of claim 4, wherein the second rail includes a second upper rail channel and a second lower rail channel, the second upper rail channel having a width greater than a width of the second lower rail channel, the second slider positioned in the second upper rail channel, the second motor and the second roller positioned in the second lower rail channel.

7. The EMA assembly according to claim 1, wherein a first pin is provided at the top of the first slider, a second pin is provided at the top of the second slider, a first shaft hole and a second shaft hole are provided on the swing link, the first pin is provided in the first shaft hole, and the second pin is provided in the second shaft hole.

8. A mobile terminal comprising an EMA assembly according to any of claims 1 to 7.

9. The mobile terminal of claim 8, further comprising a screen and a rigid dome for transmitting vibrations, the screen being positioned above the EMA assembly, the rigid dome being positioned at the bottom of the screen and positioned in the path of movement of the EMA device;

The movement path is a set formed by the positions of the first sliding block in the first guide rail in a reciprocating mode and the positions of the second sliding block in the second guide rail in a reciprocating mode, wherein the positions are passed by the EMA device.

10. The mobile terminal of claim 9, wherein the number of rigid spring plates is a plurality, and the plurality of rigid spring plates are uniformly distributed on the movement path.

11. The sound production method of the mobile terminal is characterized in that the mobile terminal comprises a screen, an EMA assembly and a rigid elastic sheet for transmitting vibration, wherein the EMA assembly comprises a bracket body, a sliding block assembly, a swinging rod, an EMA device and a driving device, and a first guide rail and a second guide rail which are intersected are arranged in the bracket body; the sliding block assembly comprises a first sliding block arranged in a first guide rail and a second sliding block arranged in a second guide rail; the swing rod is hinged with the first sliding block and the second sliding block respectively; the EMA device is arranged on the swing rod; the driving device comprises a first driving device for driving the first sliding block to reciprocate along the first guide rail and a second driving device for driving the second sliding block to reciprocate along the second guide rail; the screen is positioned above the EMA component, the rigid elastic sheet is arranged at the bottom of the screen and positioned on a movement path of the EMA device, and the movement path is a set formed by the positions where the EMA device passes in the process that the first sliding block reciprocates in the first guide rail and the second sliding block reciprocates in the second guide rail;

The method comprises the following steps:

Acquiring a screen event response signal;

Determining a sounding position according to the screen event response message;

and controlling the operation of the EMA device.

12. A terminal, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the mobile terminal sounding method of claim 11 when the computer program is executed by the processor.

13. A computer storage medium storing computer-executable instructions, characterized in that, the computer-executable instructions for performing the mobile terminal sounding method of claim 11.