CN114071336A - Sound production unit and terminal - Google Patents
Sound production unit and terminal Download PDFInfo
- Publication number
- CN114071336A CN114071336A CN202010784096.0A CN202010784096A CN114071336A CN 114071336 A CN114071336 A CN 114071336A CN 202010784096 A CN202010784096 A CN 202010784096A CN 114071336 A CN114071336 A CN 114071336A
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- vibration
- sound
- exciter
- cover
- generating unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Abstract
The embodiment of the invention provides a sound generating unit and a terminal, wherein the sound generating unit comprises: the device comprises an exciter, a sound production component and a vibration reduction cover; the sounding component sounds through vibration; the exciter is fixed on the sounding component, generates vibration according to a preset driving program and transmits the vibration to the sounding component; the vibration reduction cover covers the exciter inside, and the edge of the vibration reduction cover is fixed with the sound production component, so that a closed cavity is formed inside the vibration reduction cover. Through set up the damping cover in the sound generating unit, the damping cover is with the exciter cover in inside, and form inclosed cavity with sound producing component, and this cavity has isolated the transmission of the vibration of exciter with surrounding part, and the damping cover also can effectual isolated sound producing component transmit the vibration for surrounding part simultaneously, can avoid the vibration transmission that sound generating unit produced to leak the sound problem for the production of other parts in some implementation processes.
Description
Technical Field
The embodiment of the invention relates to the technical field of but not limited to a terminal sounding component, in particular to but not limited to a sounding unit and a terminal.
Background
The application of the whole screen on the handheld terminal is becoming wide at present, and the application of the screen sounding technology is becoming the research focus on the current terminal products. The principle is that a screen and a structure in front of a terminal are driven by an exciter, the screen is used as a vibrating body, sound waves are generated by the vibration of the screen and transmitted to human ears, and the effect of a sound generating device on a traditional handheld terminal is achieved. By adopting the screen sounding technology, the design of a sounding hole can be cancelled, the appearance of a product can be visually beautified, the sound can be heard at any position of the screen, and the use freedom of a user is improved. However, in the currently used design scheme of screen sound production, because only sound waves generated by screen sound production are considered, but the vibration range of screen sound production is not considered to be large, vibration on the screen and the exciter is transmitted to other components of the terminal, so that the other components of the terminal generate vibration together, and the problem of sound leakage occurs, so that the privacy of a user is poor, and the experience is not friendly enough.
Disclosure of Invention
The sound production unit and the terminal provided by the embodiment of the invention mainly solve the technical problem that the existing vibration sound production unit is easy to transmit vibration to other surrounding parts when in application, so that the problem of sound leakage occurs.
To solve the above technical problem, an embodiment of the present invention provides a sound generating unit, including: the device comprises an exciter, a sound production component and a vibration reduction cover;
the sounding component sounds through vibration;
the exciter is fixed on the sounding component, generates vibration according to a preset driving program and transmits the vibration to the sounding component;
the vibration reduction cover covers the exciter inside, and the edge of the vibration reduction cover is fixed with the sounding component, so that a closed cavity is formed inside the vibration reduction cover.
An embodiment of the present invention further provides a terminal, including: the terminal body and any one of the two sounding units.
According to the sound generating unit and the terminal provided by the embodiment of the invention, the sound generating unit comprises: the device comprises an exciter, a sound production component and a vibration reduction cover; the sounding component sounds through vibration; the exciter is fixed on the sounding component, generates vibration according to a preset driving program and transmits the vibration to the sounding component; the vibration reduction cover covers the exciter inside, and the edge of the vibration reduction cover is fixed with the sound production component, so that a closed cavity is formed inside the vibration reduction cover. Through set up the damping cover in the sound generating unit, the damping cover is with the exciter cover in inside, and form inclosed cavity with sound producing component, and this cavity has isolated the transmission of the vibration of exciter with surrounding part, and the damping cover also can effectual isolated sound producing component transmit the vibration for surrounding part simultaneously, can avoid the vibration transmission that sound generating unit produced to leak the sound problem for the production of other parts in some implementation processes.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional view of a sound generating component according to an embodiment of the present invention;
fig. 2 is a top view of a rectangular vibration damping cover of a sound generating unit according to an embodiment of the present invention;
fig. 3 is a top view of a circular damping cover of a sound unit according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of another sound unit according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a sound unit according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of a terminal according to a third embodiment of the present invention;
fig. 7 is a schematic diagram of another terminal according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
in order to avoid the problem that the vibration generated by the sound generating unit is transmitted to surrounding components to generate sound leakage, the embodiment of the invention provides a vibration unit, which comprises: the device comprises an exciter, a sound production component and a vibration reduction cover;
the sounding component sounds through vibration;
the exciter is fixed on the sounding component, generates vibration according to a preset driving program and transmits the vibration to the sounding component;
the vibration reduction cover covers the exciter inside, and the edge of the vibration reduction cover is fixed with the sounding component, so that a closed cavity is formed inside the vibration reduction cover.
Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a sound generating component according to this embodiment. The sound generating part includes: the exciter 100, the sound emitting part 200, and the damper cover 300; the exciter 100 is a vibration generating unit of a sound generating unit, the exciter 100 generates vibration of a specific frequency under the driving of a preset program, for example, in the process of calling, the calling software converts voice information into a corresponding vibration frequency and transmits the vibration to the sound generating component 200, and the vibration of the sound generating component 200 extrudes the surrounding air to generate sound waves; the sound generating component 200 is a component that the sound generating unit generates sound waves, and generates sound by transmitting the vibration of the exciter 100, and in this embodiment, the sound generating component is usually one of components on the terminal device; vibration damping cover 300 is the main damping part, vibration damping cover 300 is installed on exciter 100, cover exciter 100 with the vocal part 200 of below together inside, and form a inclosed cavity together with vocal part 200 inside, vibration damping cover 300 can effectual isolated exciter 100 and the spare part contact on every side through the cavity, can also absorb the vibration that falls exciter 100 and produce simultaneously, avoid the vibration wave to transmit on the spare part on every side, and vibration damping cover 300's lateral wall can also absorb the vibration that falls vocal part 200 and produce, the vibration that avoids vocal part 200 to produce transmits on the spare part on every side.
In some embodiments, the sound emitting component comprises: any one of a display screen, an equipment middle frame and an equipment back plate. The sound production unit of this embodiment realizes the sound production through the vibration that arouses the spare part on the terminal to reach the problem that reduces occupation space and avoid the trompil, consequently the common selection of sound production part among the sound production unit includes the backplate etc. of the equipment of display screen, terminal equipment's center and terminal.
In some embodiments, a damping material is also included in the damping cap. The purpose of the vibration reduction cover is to weaken the vibration energy transmitted to the surrounding parts by the exciter and the sound production part through absorption and reflection, so that the vibration reduction effect of the vibration reduction cover can be further improved by further comprising the vibration reduction material in the vibration reduction cover.
In some embodiments, the damping material is filled in the damping cover, or attached to the inner wall of the damping cover, or attached to the outer wall of the damping cover. For example, the damping cover can be filled with buffer cotton, the inner wall of the damping cover is pasted with damping foam, the outer wall of the damping cover is pasted with damping foam, and the like, so that the damping effect of the damping cover can be effectively improved. It should be noted that the vibration damping materials are exemplified herein for the convenience of understanding the present invention, and are not intended to limit the present invention, and in other embodiments, other vibration damping materials with vibration damping, vibration absorbing and vibration reflecting capabilities may be selected
In some embodiments, the shape of the shock absorbing cover includes, but is not limited to, any one of a circle or a rectangle. As shown in fig. 2 and 3, fig. 2 is a top view of a sound unit provided in this embodiment, in which the vibration reduction cover is rectangular, and fig. 3 is a top view of a sound unit provided in this embodiment, in which the vibration reduction cover is circular. The shape of damping cover can let the more even dispersion of the vibration wave in the damping cover in whole damping cover for circular or rectangle to better absorption vibration wave sets the vibration cover to circular or rectangle can also make things convenient for the electronic components's at terminal overall arrangement design simultaneously. It should be noted that, in the present invention, the damper cap is used for absorbing and reflecting vibration, and the shape of the damper cap is primarily considered to be the damping effect, secondarily the internal structural design of the terminal, and also related to the shape of the exciter, and so on, and therefore, the shape of the damper cap in the present invention may include other shapes in addition to the above-mentioned circular and rectangular shapes.
In some embodiments, the top end of the vibration reduction cap is recessed inward, and the recessed portion does not contact the actuator. Referring to fig. 1, the middle position of the top end of the vibration reduction cover 200 is recessed inwards, and the internal space design of some terminals, such as smart phones, is very compact, the top end of the sound generating unit may directly abut against other parts, and in order to reduce the vibration transmitted to the parts, the top end of the vibration reduction cover is provided with a recessed structure, and meanwhile, the recessed structure cannot contact with the exciter, so that the contact area between the vibration reduction cover and the parts is reduced, and meanwhile, part of the vibration can be absorbed through the recessed structure, so that the vibration reduction effect is further enhanced.
In some embodiments, the sound generating unit further comprises a support member fixed to a top end of the vibration reduction cover. Fig. 4 is a schematic cross-sectional view of another sound unit provided in this embodiment. The top end of the vibration reduction cover is further fixed with a supporting component 400, the supporting component 400 can achieve further isolation and vibration reduction effects, and meanwhile, when the supporting component and other parts on the terminal are pushed together, the vibration reduction cover of the sound generating unit can be pressed better to fall off on the sound generating component, and the pressure of the vibration reduction cover can be balanced more.
The sound generating unit provided by the embodiment of the invention comprises: the device comprises an exciter, a sound production component and a vibration reduction cover; the sounding component sounds through vibration; the exciter is fixed on the sounding component, generates vibration according to a preset driving program and transmits the vibration to the sounding component; the vibration reduction cover is arranged above the exciter, and the interior of the vibration reduction cover and the sound production component form a closed cavity together. Through set up the damping cover in the sound generating unit, the damping cover forms inclosed cavity together with sound producing component, and this cavity has isolated the transmission of the vibration of exciter and surrounding parts, and the damping cover also can effectual isolated sound producing component transmit the vibration to surrounding parts simultaneously, can avoid the vibration transmission that the sound generating unit produced to leak the sound problem that all the other parts on every side produced in some implementation process.
Example two:
the present embodiment provides a sound emitting unit, in which an actuator includes: a first actuator and a second actuator;
the first exciter and the second exciter are separated by a preset distance and fixed on the sound production component.
Referring to fig. 5, fig. 5 is a schematic cross-sectional view of a sound generating unit according to the present embodiment. In some embodiments, in order to achieve better sound production effect and larger sound production volume, the number of the exciters can be increased to two or more, and the two or more exciters can achieve better mixed sound effect, and simultaneously can achieve volume control of more gears and larger sound production volume. The sound generating unit provided by the embodiment comprises: a first actuator 101, a second actuator 102, a sound emitting part 201, and a damper cover 301; the first actuator 101 and the second actuator 102 are fixed on the sound generating component 201 at a preset distance, and the distance between the first actuator 101 and the second actuator 102 is adjusted according to the actual situation, which is not limited in the embodiment of the present invention; in the embodiment, the sound production component 201 transmits the vibration generated by the first exciter 101 and the second exciter 102, and extrudes the surrounding air to generate sound waves, and the vibration generated by the first exciter 101 and the second exciter 102 can be synthesized in the sound production component 201 to form a mixed sound effect; the vibration reduction cover 301 is a main vibration reduction component, the vibration reduction cover 301 is installed on the first exciter 101 and the second exciter 102, the first exciter 101 and the second exciter 102 are covered inside together with the sounding component 201 below, and a closed cavity is formed inside together with the sounding component 201, the vibration reduction cover 301 can effectively isolate the first exciter 101 and the second exciter 102 from contacting with surrounding parts through the cavity, meanwhile, vibration generated by the first exciter 101 and the second exciter 102 can be absorbed, vibration waves are prevented from being transmitted to the surrounding parts, vibration generated by the sounding component 201 can be absorbed by the side wall of the vibration reduction cover 301, and vibration generated by the sounding component 201 is prevented from being transmitted to the surrounding parts.
Still include supporting component 401 on the sound generating unit of fig. 4, supporting component 401 is fixed on the top of damping cover 301, can play better damping effect when all the other parts in sound generating unit and the terminal extrude each other, simultaneously with the better pressfitting of damping cover on sound generating component, can also let the more equilibrium of atress of damping cover. It should be noted that, although the supporting member 401 in fig. 5 is a complete member, in practical applications, the number and shape of the supporting members can be flexibly adjusted according to practical needs.
The embodiment provides a sound generating unit, wherein an exciter of the sound generating unit comprises a first exciter and a second exciter, and meanwhile, the sound generating unit further comprises a sound generating component and a vibration damping cover; the sounding component sounds through vibration; the first exciter and the second exciter are separated by a preset distance and fixed on the sounding component, and generate vibration according to a preset driving program and transmit the vibration to the sounding component; the vibration reduction cover is arranged above the first exciter and the second exciter, and the interior of the vibration reduction cover and the sound production component form a closed cavity. Better mixed sound effect has been realized through setting up two exciters, can also realize the volume control of more gears simultaneously, realizes bigger sound production volume.
Example three:
the embodiment provides a terminal which comprises a terminal body and a sound production unit. Referring to fig. 6, the terminal in fig. 6 includes: terminal body 2 and sound generating unit 1, the sound generating unit in this implementation can select the sound generating unit in embodiment one and embodiment two. It should be noted that the sound generating unit in fig. 6 is located inside the terminal in practical application and is not visible in practice.
In some implementations, at least two sound emitting units are included on the terminal. See figure 7.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software (which may be implemented in computer program code executable by a computing device), firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. 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.
In addition, communication media typically embodies computer readable instructions, data structures, computer 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 as known to one of ordinary skill in the art. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A sound emitting unit, comprising: the device comprises an exciter, a sound production component and a vibration reduction cover;
the sounding component sounds through vibration;
the exciter is fixed on the sounding component, generates vibration according to a preset driving program and transmits the vibration to the sounding component;
the vibration reduction cover covers the exciter inside, and the edge of the vibration reduction cover is fixed with the sounding component, so that a closed cavity is formed inside the vibration reduction cover.
2. The sound generating unit of claim 1, wherein the sound generating component comprises: any one of a display screen, an equipment middle frame and an equipment back plate.
3. The sound generating unit of claim 1, further comprising a vibration dampening material in said vibration dampening shroud.
4. The sound generating unit of claim 3, wherein the vibration dampening material is filled in the vibration dampening cover, or is attached to an inner wall of the vibration dampening cover, or is attached to an outer wall of the vibration dampening cover.
5. The sound generating unit as claimed in claim 1, wherein the vibration reduction cover has an outer shape of any one of a circle and a rectangle.
6. The sound generating unit as claimed in claim 1, wherein the tip of the vibration reduction cap is recessed inward, and the recessed portion does not contact the exciter.
7. The sound generating unit of claim 1, wherein the actuator comprises: a first actuator and a second actuator;
the first exciter and the second exciter are separated by a preset distance and fixed on the sound production component.
8. The sound generating unit of any one of claims 1-7, further comprising a support member secured to a top end of the vibration dampening cap.
9. A terminal, characterized in that it comprises: a terminal body and a sound emitting unit according to any one of claims 1-8.
10. The terminal of claim 9, wherein the terminal includes at least two sound emitting units thereon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010784096.0A CN114071336A (en) | 2020-08-06 | 2020-08-06 | Sound production unit and terminal |
| PCT/CN2021/100827 WO2022028125A1 (en) | 2020-08-06 | 2021-06-18 | Sound generating unit and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010784096.0A CN114071336A (en) | 2020-08-06 | 2020-08-06 | Sound production unit and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114071336A true CN114071336A (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010784096.0A Pending CN114071336A (en) | 2020-08-06 | 2020-08-06 | Sound production unit and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114071336A (en) |
| WO (1) | WO2022028125A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590643A (en) * | 2022-03-21 | 2024-02-23 | 海信视像科技股份有限公司 | Display apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8724218B2 (en) * | 2011-07-07 | 2014-05-13 | Reald Inc. | Speckle reduction using screen vibration techniques and apparatus |
| CN106453759B (en) * | 2016-09-05 | 2019-05-21 | 北京小米移动软件有限公司 | Mobile device |
| CN108600457A (en) * | 2018-04-28 | 2018-09-28 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN209787426U (en) * | 2019-05-14 | 2019-12-13 | 歌尔科技有限公司 | Vibration sound production device and electronic equipment |
| CN110176222B (en) * | 2019-05-29 | 2022-04-26 | 广州国显科技有限公司 | Display sounding panel and terminal equipment |
-
2020
- 2020-08-06 CN CN202010784096.0A patent/CN114071336A/en active Pending
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2021
- 2021-06-18 WO PCT/CN2021/100827 patent/WO2022028125A1/en active Application Filing
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| Publication number | Publication date |
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| WO2022028125A1 (en) | 2022-02-10 |
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