CN207869334U - A kind of encapsulating structure and loud speaker module of sound-absorbing particle - Google Patents
A kind of encapsulating structure and loud speaker module of sound-absorbing particle Download PDFInfo
- Publication number
- CN207869334U CN207869334U CN201721817013.3U CN201721817013U CN207869334U CN 207869334 U CN207869334 U CN 207869334U CN 201721817013 U CN201721817013 U CN 201721817013U CN 207869334 U CN207869334 U CN 207869334U
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- China
- Prior art keywords
- screen cloth
- sound
- ventilative screen
- encapsulating structure
- loud speaker
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Classifications
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model is related to a kind of encapsulating structure of sound-absorbing particle and loud speaker module, encapsulating housing, the encapsulating housing forms open housing region, and the housing region includes the first penetrating face and the second penetrating face；First ventilative screen cloth and the second ventilative screen cloth, the first gas-permeable nets cloth are encapsulated on the described first penetrating face, and the second gas-permeable nets cloth is encapsulated on the described second penetrating face, and the first ventilative screen cloth and the second gas-permeable nets cloth close the housing region；Sound-absorbing particle, the sound-absorbing particle are arranged in the housing region that the shell, the first ventilative screen cloth and the second ventilative screen cloth surround.Reached one of the utility model has the technical effect that the packaged type for improving sound-absorbing particle.
Description
Technical field
The utility model belongs to electroacoustic transduction technical field, and specifically, the utility model is related to a kind of envelopes of sound-absorbing particle
Assembling structure and loud speaker module.
Background technology
Loud speaker module converting electrical signals to voice signal energy converter as one kind, be in electro-acoustic product can not or
Scarce component.Loud speaker module is usually made of shell and loudspeaker monomer, and loudspeaker monomer separates the inner cavity of module shell
At the preceding operatic tunes and the rear operatic tunes.
With development in science and technology, the electronic products such as smart mobile phone are higher and higher to loudspeaker requirements, lower resonant frequency F0, high frequency
Rate response, excellent sound quality require increasingly to attract attention.In order to improve loud speaker module acoustical behavior (as reduced the humorous of module
Vibration frequency F0, spread bandwidth), it will usually sound-absorbing part is added in the rear operatic tunes, sound-absorbing part can sponge part acoustic energy, be equivalent to expansion
Big rear chamber volume reduces module F0 effects to reach.
Graininess sound-absorbing material is widely used in because having good sound-absorbing effect in the sound-absorbing part of loud speaker module.
But existing sound-absorbing part packaged type cannot play the sound absorption effect of graininess sound-absorbing material completely.Even, in packaged type
In the case of improperly, be likely to result in instead the increase of back cavity acoustic resistance, intermediate frequency frequency response reduction, intermediate frequency distortion increase the problems such as go out
It is existing.
Utility model content
One purpose of the utility model is to provide a kind of encapsulating structure of improved sound-absorbing particle.
The first aspect according to the present utility model provides a kind of encapsulating structure of sound-absorbing particle, including：
Encapsulating housing, the encapsulating housing form open housing region, the housing region include the first penetrating face and
Second penetrating face；
First ventilative screen cloth and the second ventilative screen cloth, the first gas-permeable nets cloth are encapsulated on the described first penetrating face, institute
It states the second gas-permeable nets cloth to be encapsulated on the described second penetrating face, the first ventilative screen cloth and the second gas-permeable nets cloth close the appearance
Receive region；
Sound-absorbing particle, the sound-absorbing particle, which is arranged, to be surrounded in the shell, the first ventilative screen cloth and the second ventilative screen cloth
In housing region.
Optionally, there is filling aperture, the filling aperture to be packaged part closing on the encapsulating housing.
Optionally, the filling aperture upper cover be equipped with as packaging part third breathe freely screen cloth, the third breathe freely screen cloth and
The filling aperture size and shape corresponds to；
Alternatively, the filling aperture is located at the edge in the described first penetrating face, the first ventilative screen cloth is as packaging part lid
It is located in the filling aperture.
Optionally, the described first penetrating face is opposite with the described second penetrating face position.
The second aspect according to the present utility model provides a kind of loud speaker module, including：
Module casing, the module casing are formed with the rear operatic tunes；
The encapsulating structure of above-mentioned sound-absorbing particle is provided with after described in the operatic tunes；
One of at least described first ventilative screen cloth or the second ventilative screen cloth between the inner surface of the module casing there are
The gap of preset distance, the gap are connected to the rear acoustic aperture of loudspeaker monomer.
Optionally, between the described first ventilative screen cloth and the second ventilative screen cloth and the inner surface of the module casing there are
Gap.
Optionally, it is provided with sound-absorbing material in the gap.
Optionally, the module casing is formed with boss in the rear operatic tunes, and the encapsulating structure is erected on the boss,
It is each formed with the gap between the first ventilative screen cloth and the second ventilative screen cloth and the inner surface of the module casing.
Optionally, there are four the boss is set, four boss are located at four corners position of the encapsulating structure
It sets.
Optionally, the encapsulating structure is bonded or is ultrasonically welded on the boss.
One of the utility model has technical effect that, can improve the packaged type of sound-absorbing particle, more fully play
The acoustical behavior of sound-absorbing particle.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Description of the drawings
The attached drawing of a part for constitution instruction describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is the encapsulating structure explosive view for the sound-absorbing particle that the utility model embodiment one provides；
Fig. 2 is the assembling schematic diagram of explosive view shown in Fig. 1；
Fig. 3 is the loud speaker module schematic diagram that the utility model embodiment two provides.
Specific implementation mode
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：Unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Embodiment one
The utility model provides a kind of encapsulating structure of sound-absorbing particle, as shown in Figure 1, saturating including encapsulating housing 1, first
Gas screen cloth 2, the second ventilative screen cloth 3.The encapsulating housing 1 forms open housing region, for filling sound-absorbing particle.The appearance
It includes open the first penetrating face and the second penetrating face to receive region, and the penetrating face of above-mentioned two is located at the upper and lower of the encapsulating housing 1
Two sides.First ventilative screen cloth 2 lid is located on the described first penetrating face, and the second ventilative screen cloth 3 lid is located at described second
On penetrating face, on the first ventilative screen cloth, 2 and second ventilative screen cloth 3 have allow air-flow by gap.In the encapsulation
Sound-absorbing particle is filled in the housing region that shell 1, the first ventilative screen cloth 2 and the second ventilative screen cloth 3 surround.The utility model carries
The encapsulating structure of confession allows air, sound to circulate in the first penetrating face and the second regions penetrating face Liang Ge, increases sound-absorbing particle
Vapor permeation area, can more fully play the sound-absorbing effect of sound-absorbing particle.
Optionally, the housing region that encapsulating housing is constituted is the cavity of a perforation, the first penetrating face and described second
Penetrating face position is opposite, interconnected.
Further, as shown in Figure 1, having filling aperture 4, the sound-absorbing particle that can pass through institute on the encapsulating housing 1
Filling aperture 4 is stated to be filled into the housing region.The filling aperture 4 needs packed part closing, is leaked out to prevent sound-absorbing particle.
In a kind of optional embodiment, it is provided with size and the third that filling aperture 4 matches in the filling aperture 4 and breathes freely screen cloth 5,
The ventilative screen cloth 5 of third closes the filling aperture 4 as packaging part.Using such interstitital texture, sound-absorbing particle is facilitated
Filling, and filling aperture 4 is equally closed using gas-permeable nets cloth, can be reduced because the setting of filling aperture 4 occupies excessive vapor permeation area,
It ensure that the vapor permeation area of sound-absorbing particle encapsulation.Optionally, the filling aperture 4 can also be arranged in the side of the encapsulating housing 1
On wall, it is not take up sound-absorbing particle and encapsulates original vapor permeation area, ensure that sound-absorbing effect gives full play to.
In another embodiment, the filling aperture 4 is located at the edge in the described first penetrating face, first gas-permeable nets
Cloth 2 together closes filling aperture 4 when the first ventilative screen cloth 2 is covered on the first penetrating face as above-mentioned packaging part.It is this
Embodiment simplifies assembly process.
Embodiment two
The utility model additionally provides a kind of loud speaker module, as shown in figure 3, including module casing, the module casing
Including upper casing 7 and lower casing 8, the upper casing 7 and lower casing 8 cooperatively form inner cavity, and the inner cavity includes the preceding operatic tunes 9 and the rear operatic tunes 10.
A kind of encapsulating structure 6 of the sound-absorbing particle of offer of embodiment is provided after described in the operatic tunes 10.The encapsulating structure 6 increases suction
The vapor permeation area of sound particle has more fully played the sound-absorbing effect of sound-absorbing particle.Therefore, loud speaker module is configuring the envelope
After dress, intermediate frequency frequency response can be improved, reduce intermediate frequency distortion and improves module sound quality.
The encapsulating structure 6 configuration in the rear the operatic tunes 10 when, between the encapsulating structure 6 and the module casing there are
The gap of preset distance, one of 2 or the second ventilative screen cloth 3 of at least first ventilative screen cloth stay between the inner surface of module casing
There is above-mentioned gap.Loudspeaker monomer is usually provided in loud speaker module, loudspeaker monomer is used for work sounding.Its sound sent out
Sound can be spread out of from the outlet sound mouth of module casing.Loudspeaker monomer itself also has rear acoustic aperture, and the rear acoustic aperture is for letting out sound, balance
The air pressure of monomer interior vibrating diaphragm both sides.The sound that loudspeaker monomer generates acoustic aperture can also be spread out of after described, above-mentioned gap with raise one's voice
The rear acoustic aperture of device monomer is connected to.In this way, air and sound can be transferred to by ventilative screen cloth in housing region, ensure gas-permeable nets
Cloth overdraught flows smoothly, and the sound-absorbing effect of sound-absorbing particle is made to be guaranteed, and promotes the sound quality of module.
Preferably, it is stayed between the described first ventilative screen cloth 2 and the second ventilative screen cloth 3 and the inner surface of the module casing
There is gap.In this way, two ventilative screen cloths can effectively play ventilative, entrant sound effect, effectively increasing sound-absorbing particle can connect
The area of sound is received, the performance for improving sound-absorbing particle plays.
Further, sound-absorbing material is filled in the gap.It, can be further by filling sound-absorbing material into gap
Intermediate frequency frequency response is improved, intermediate frequency distortion is reduced and improves module sound quality in ground.Preferably, the sound-absorbing material is acoustical cotton.This field
Other sound-absorbing materials may be used in technical staff, and the transformation of these sound-absorbing materials belongs to the protection domain of the application.
Specifically, being provided with the boss 11 of predetermined quantity in the operatic tunes 10 in the rear, the boss 11 is used to support and consolidates
The fixed encapsulating structure 6.Boss 11 can support the encapsulating structure 6, and the described first ventilative screen cloth 2 and second can be made ventilative
The gap being connected to the rear acoustic aperture of loudspeaker monomer is respectively formed between screen cloth 3 and the inner surface of the module casing.Meanwhile it is described
The encapsulating structure 6 is firmly fixed on boss 11 by boss 11, avoids loosening.Preferably, the mould at the rear operatic tunes 10
Group shell is rectangle, and there are four the settings of the boss 11, is located at four corners of the module casing of rectangle.
Further, the encapsulating structure 6 and the boss 11 are by being adhesively fixed together.Alternatively it is also possible to adopt
With connection types such as ultrasonic welding, riveting, clampings, the application is without limitation.
As shown in figure 3, the loud speaker module further includes vibrational system and magnetic circuit system.It is formed with and speaks on module casing
Mouthful, the sound that the module casing is configured to generate when the vibrational system being made to vibrate is spread out of from the outlet sound mouth.Meanwhile it shaking
The sound generated when dynamic system vibration can also reach in the rear operatic tunes 10.The magnetic circuit system is configured as working as vibrational system
In drive when being passed through voice signal the vibrational system to vibrate.
Although some specific embodiments of the utility model are described in detail by example, this field
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of encapsulating structure of sound-absorbing particle, which is characterized in that including：
Encapsulating housing, the encapsulating housing form open housing region, and the housing region includes the first penetrating face and second
Penetrating face；
First ventilative screen cloth and the second ventilative screen cloth, the first gas-permeable nets cloth are encapsulated on the described first penetrating face, and described
Two gas-permeable nets cloth are encapsulated on the described second penetrating face, and the first ventilative screen cloth and the second gas-permeable nets cloth close the receiving area
Domain；
The receiving surrounded in the shell, the first ventilative screen cloth and the second ventilative screen cloth is arranged in sound-absorbing particle, the sound-absorbing particle
In region.
2. encapsulating structure according to claim 1, which is characterized in that have filling aperture, the filling on the encapsulating housing
It fills hole and is packaged part closing.
3. encapsulating structure according to claim 2, which is characterized in that the filling aperture upper cover is equipped with the as packaging part
Three ventilative screen cloths, the ventilative screen cloth of the third are corresponding with the filling aperture size；
Alternatively, the filling aperture is located at the edge in the described first penetrating face, the first ventilative screen cloth is located at as packaging part lid
In the filling aperture.
4. encapsulating structure according to claim 1, which is characterized in that the first penetrating face and the described second penetrating face position
It sets opposite.
5. a kind of loud speaker module, which is characterized in that including：
Module casing, the module casing are formed with the rear operatic tunes；
The encapsulating structure of any sound-absorbing particles of claim 1-4 is provided with after described in the operatic tunes；
There are predetermined between the inner surface of the module casing for one of at least described first ventilative screen cloth or the second ventilative screen cloth
The gap of distance, the gap are connected to the rear acoustic aperture of loudspeaker monomer.
6. loud speaker module according to claim 5, which is characterized in that the first ventilative screen cloth and the second ventilative screen cloth
There are gaps between the inner surface of the module casing.
7. loud speaker module according to claim 5, which is characterized in that be provided with sound-absorbing material in the gap.
8. loud speaker module according to claim 5, which is characterized in that the module casing is formed with convex in the rear operatic tunes
Platform, the encapsulating structure are erected on the boss, the first ventilative screen cloth and the second ventilative screen cloth and the module casing
Inner surface between be each formed with the gap.
9. loud speaker module according to claim 8, which is characterized in that there are four the boss is set, four boss
It is located at four corner locations of the encapsulating structure.
10. loud speaker module according to claim 8, which is characterized in that the encapsulating structure bonding is ultrasonically welded within
On the boss.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817013.3U CN207869334U (en) | 2017-12-22 | 2017-12-22 | A kind of encapsulating structure and loud speaker module of sound-absorbing particle |
| PCT/CN2018/110214 WO2019119943A1 (en) | 2017-12-22 | 2018-10-15 | Package structure for sound absorbing particles and speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817013.3U CN207869334U (en) | 2017-12-22 | 2017-12-22 | A kind of encapsulating structure and loud speaker module of sound-absorbing particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207869334U true CN207869334U (en) | 2018-09-14 |
Family
ID=63466020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721817013.3U Active CN207869334U (en) | 2017-12-22 | 2017-12-22 | A kind of encapsulating structure and loud speaker module of sound-absorbing particle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207869334U (en) |
| WO (1) | WO2019119943A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831725A (en) * | 2018-12-27 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group |
| CN109905819A (en) * | 2018-12-27 | 2019-06-18 | 瑞声科技(新加坡)有限公司 | A kind of assemble method of loadspeaker structure, mobile device and loadspeaker structure |
| WO2019119943A1 (en) * | 2017-12-22 | 2019-06-27 | 歌尔科技有限公司 | Package structure for sound absorbing particles and speaker module |
| CN112995378A (en) * | 2021-02-09 | 2021-06-18 | 荣耀终端有限公司 | Loudspeaker module and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9635455B2 (en) * | 2013-09-11 | 2017-04-25 | Sound Solutions International Co., Ltd. | Speaker with grained zeolite material in deep-drawn foil resonance volume |
| CN105828262B (en) * | 2016-04-28 | 2019-09-27 | 歌尔股份有限公司 | The encapsulation sound-absorbing component of the slot structure containing ventilation for loudspeaker |
| CN206302557U (en) * | 2016-11-18 | 2017-07-04 | 歌尔科技有限公司 | Loudspeaker module |
| CN107454520A (en) * | 2017-06-29 | 2017-12-08 | 山东共达电声股份有限公司 | The sound-absorbing material of loudspeaker module |
| CN207869334U (en) * | 2017-12-22 | 2018-09-14 | 歌尔科技有限公司 | A kind of encapsulating structure and loud speaker module of sound-absorbing particle |
-
2017
- 2017-12-22 CN CN201721817013.3U patent/CN207869334U/en active Active
-
2018
- 2018-10-15 WO PCT/CN2018/110214 patent/WO2019119943A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119943A1 (en) * | 2017-12-22 | 2019-06-27 | 歌尔科技有限公司 | Package structure for sound absorbing particles and speaker module |
| CN109831725A (en) * | 2018-12-27 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group |
| CN109905819A (en) * | 2018-12-27 | 2019-06-18 | 瑞声科技(新加坡)有限公司 | A kind of assemble method of loadspeaker structure, mobile device and loadspeaker structure |
| CN109905819B (en) * | 2018-12-27 | 2021-06-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker structure, mobile equipment and assembling method of loudspeaker structure |
| CN112995378A (en) * | 2021-02-09 | 2021-06-18 | 荣耀终端有限公司 | Loudspeaker module and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019119943A1 (en) | 2019-06-27 |
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