CN206481455U - A kind of loudspeaker side goes out acoustic form, loudspeaker module and mobile terminal - Google Patents
A kind of loudspeaker side goes out acoustic form, loudspeaker module and mobile terminal Download PDFInfo
- Publication number
- CN206481455U CN206481455U CN201720096988.5U CN201720096988U CN206481455U CN 206481455 U CN206481455 U CN 206481455U CN 201720096988 U CN201720096988 U CN 201720096988U CN 206481455 U CN206481455 U CN 206481455U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- hollow tube
- cavity
- inner chamber
- goes out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model embodiment provides a kind of loudspeaker side and goes out acoustic form, and for mobile terminal, the loudspeaker side, which goes out acoustic form, to be included：Side is spoken passage and acoustic resonator；Side passage of speaking includes the inlet sound mouth and outlet sound mouth that are oppositely arranged, the side speak passage surface on be provided with first through hole；The acoustic resonator includes cavity and hollow tube, the second through hole is provided with the surface of the cavity, the hollow tube includes the first opening being oppositely arranged and the second opening, first opening of one end of the hollow tube is connected with the first through hole, and the second opening of the other end of the hollow tube is connected with second through hole；Wherein, the volume of the inner chamber of the hollow tube is less than the volume of the inner chamber of the cavity.The utility model embodiment provides a kind of loudspeaker module and mobile terminal.The utility model embodiment is by making volume of the volume less than the inner chamber of cavity of the inner chamber of hollow tube, so that the sound wave of absorbable specific frequency, realizes the effect for the sound wave for eliminating specific frequency.
Description
Technical field
The utility model is related to loudspeaker techniques field, more particularly to a kind of loudspeaker side goes out acoustic form, loudspeaker module
And mobile terminal.
Background technology
Loudspeaker is provided with mobile terminal to send sound.Loudspeaker is located in loudspeaker housing, by speaker cover
Body is divided into ante-chamber and back cavity.Existing mobile terminal goes out acoustic form to coordinate loudspeaker to send sound frequently with side.The side goes out
The passage of speaking of acoustic form is connected with ante-chamber, because sound wave causes to generate high-frequency resonance peak in the resonance of ante-chamber, is exaggerated height
The influence of frequency harmonic wave, causes the appearance of some frequency range noise, existing side, which goes out acoustic form, can not eliminate the noise.
Utility model content
The utility model embodiment provides a kind of loudspeaker side and goes out acoustic form, is spoken with the loudspeaker side for solving prior art
The problem of structure can not eliminate the noise of some frequency range.
The utility model embodiment also provides a kind of loudspeaker module, is raised one's voice with the loudspeaker module for solving prior art
Device side goes out the problem of acoustic form can not eliminate the noise of some frequency range.
The utility model embodiment provides a kind of mobile terminal again, with the loudspeaker side for the mobile terminal for solving prior art
Go out the problem of acoustic form can not eliminate the noise of some frequency range.
First aspect goes out acoustic form there is provided a kind of loudspeaker side, for mobile terminal, and the loudspeaker side goes out acoustic form bag
Include：Side is spoken passage and acoustic resonator；Side passage of speaking includes the inlet sound mouth and outlet sound mouth that are oppositely arranged, and the side is spoken logical
First through hole is provided with the surface in road；The acoustic resonator includes cavity and hollow tube, and the is provided with the surface of the cavity
Two through holes, the hollow tube includes the first opening being oppositely arranged and the second opening, first opening of one end of the hollow tube
Connected with the first through hole, the second opening of the other end of the hollow tube is connected with second through hole；Wherein, in described
The volume of the inner chamber of blank pipe is less than the volume of the inner chamber of the cavity.
Second aspect is arranged on institute there is provided a kind of loudspeaker module, including speaker housings and loudspeaker, the loudspeaker
State in speaker housings, the loudspeaker module also includes：Above-mentioned loudspeaker side goes out acoustic form, and the loudspeaker side is spoken knot
Structure is arranged on the side in the face of speaking of the loudspeaker.
The third aspect there is provided a kind of mobile terminal, including：Above-mentioned loudspeaker module.
So, in the utility model embodiment, by setting hollow tube and cavity, and the small volume of the inner chamber of hollow tube is made
Volume in the inner chamber of cavity, can form heimholtz resonator, so that the sound wave of absorbable specific frequency, realizes and eliminate specific
The effect of the sound wave of frequency.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below by the utility model embodiment
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that the loudspeaker side of the utility model embodiment goes out the structural representation of acoustic form；
Fig. 2 is the sectional view of the acoustic resonator of the utility model embodiment；
Fig. 3 is the partial structural diagram of the loudspeaker module of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The utility model embodiment provides a kind of loudspeaker side and goes out acoustic form.As shown in figure 1, the loudspeaker side goes out acoustic form
Including：Side is spoken passage 1 and acoustic resonator 2.
Wherein, side passage 1 of speaking includes the inlet sound mouth and outlet sound mouth 11 that are oppositely arranged.Side speak passage 1 surface on
It is provided with first through hole 12.
Acoustic resonator 2 includes cavity 21 and hollow tube 22.As shown in Fig. 2 being provided with the second through hole on the surface of cavity 21
211.Hollow tube 22 includes the first opening 221 being oppositely arranged and the second opening 222.First opening of one end of hollow tube 22
221 connect with first through hole 12.Second opening 222 of the other end of hollow tube 22 connects 211 with the second through hole.Hollow tube 22
The volume of inner chamber is less than the volume of the inner chamber of cavity 21.
By above-mentioned structure design, because the volume of the inner chamber of hollow tube 22 is less than the volume of the inner chamber of cavity 21, make
Acoustic resonator formation heimholtz resonator is obtained, the sound wave sent from loudspeaker, approaching side is spoken passage 1, and logical by first
The opening of hole 12 and first 221 enters hollow tube 22, then enters cavity 21, cavity by the second opening 222 and the second through hole 211
The sound wave of 21 absorbable specific frequencies, thus, the noise of specific frequency can be eliminated.The sound wave for eliminating the noise of specific frequency is subsequent
Return to side to speak in passage 1, spread out of from the speak outlet sound mouth 11 of passage 1 of side to the external world.
It is preferred that, the volume of the inner chamber of the cavity 21 is more than five times of the volume of the inner chamber of hollow tube 22.Pass through increase
The ratio of the volume of the inner chamber of cavity 21 and the volume of the inner chamber of hollow tube 22, can further be conducive to the acoustic resonator to be formed conspicuous
Mu Huozi acoustic resonator, improves the effect for the sound wave for absorbing specific frequency.
The structure of the inner chamber of the hollow tube 22 and the inner chamber of cavity 21 is not limited, and can be square, cuboid, spheroid etc.
Deng.It is preferred that, the structure of the inner chamber of hollow tube 22 and the inner chamber of cavity 21 is regular shape.It can specifically be carried according in mobile terminal
The installing space of confession is determined.In a preferred embodiment, the inner chamber of hollow tube 22 is shaped as cylinder, the inner chamber of cavity 21
Be shaped as square.First opening 221 of hollow tube 22 and the second opening 222, the second through hole 211 of cavity 21 is identical
The circular hole of size, a diameter of d, area is S.The length of the cylindrical cavity of hollow tube 22 is l.The volume of the inner chamber of cavity 21 is
V.If the velocity of sound is c, then the frequency that the loudspeaker side of the preferred embodiment goes out the absorbable sound wave of acoustic form is：
For example, a diameter of 1mm of the second through hole 211 of cavity 21, the length of the cylindrical cavity of hollow tube 22 is 4mm.
The volume of the cylindrical cavity of hollow tube 22 is about 3.14mm3, the volume of the inner chamber of cavity 21 is about 18mm3, the cavity 21 it is interior
The volume of chamber is more than 5 times of the volume of the cylindrical cavity of hollow tube 22, therefore, can form heimholtz resonator.According to
Formula can calculate resonant frequency about 5160Hz.The sound wave of the frequency will be absorbed.
In above-mentioned formula, if the second through hole 211 is square, d can be cornerwise length.
Therefore, if the frequency of the known sound wave for needing to absorb, the structure of acoustic resonator 2 can be designed by above-mentioned formula,
To reach the purpose for the sound wave for absorbing the frequency.The acoustic resonator 2 absorbs the effect of the sound wave of the frequency preferably, and the acoustic resonator
2 can also absorb the sound wave near some frequencies.
It is preferred that, at least one layer of sound-absorbing material is provided with the cavity wall of the inner chamber of the cavity 21.The sound-absorbing material can be
Acoustical cotton.By setting sound-absorbing material, the effect for the sound wave for absorbing specific frequency can be further improved.
To sum up, the loudspeaker side of the utility model embodiment goes out acoustic form, by setting hollow tube 22 and cavity 21, and makes
The volume of the inner chamber of hollow tube 22 is less than the volume of the inner chamber of cavity 21, can form heimholtz resonator, so that absorbable spy
Determine the sound wave of frequency, realize the effect for the sound wave for eliminating specific frequency.
The utility model embodiment also provides a kind of loudspeaker module.As shown in figure 3, the loudspeaker module includes：Raise one's voice
Device shell 3, loudspeaker and above-mentioned loudspeaker side go out acoustic form.Loudspeaker is arranged in speaker housings.Specifically, loudspeaker
Installing port 31 can be set on shell 3.Loudspeaker is arranged at the installing port 31.Structure setting speak in loudspeaker in the loudspeaker side
Face of speaking side.The loudspeaker side goes out for example above-mentioned embodiment of acoustic form, will not be repeated here.Outside the loudspeaker and loudspeaker
Ante-chamber is formed between shell 3.The inlet sound mouth that loudspeaker side goes out acoustic form is connected with ante-chamber.
The loudspeaker module of the utility model embodiment, the loudspeaker side goes out acoustic form formation heimholtz resonator, from
And the sound wave of absorbable specific frequency, realize the effect for the sound wave for eliminating specific frequency.
The utility model embodiment also provides a kind of mobile terminal.The mobile terminal can be but not limited to mobile phone, flat board
Computer, MP3/MP4, intelligent watch, Intelligent bracelet, personal digital assistant (Personal Digital Assistant, PDA),
Vehicle-mounted computer etc..The mobile terminal includes above-mentioned loudspeaker module.The structure of the loudspeaker module will not be repeated here.
The mobile terminal of the utility model embodiment, with above-mentioned loudspeaker module, can absorb the sound wave of specific frequency,
Realize the effect for the sound wave for eliminating specific frequency.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to solution
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model scope of embodiments.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also include being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right
The protection domain asked is defined.
Claims (7)
1. a kind of loudspeaker side goes out acoustic form, for mobile terminal, it is characterised in that the loudspeaker side, which goes out acoustic form, to be included：
Side is spoken passage and acoustic resonator；
Side passage of speaking includes the inlet sound mouth and outlet sound mouth that are oppositely arranged, the side speak passage surface on be provided with the
One through hole；
The acoustic resonator includes being provided with the second through hole on cavity and hollow tube, the surface of the cavity, and the hollow tube includes
The first opening and the second opening being oppositely arranged, first opening of one end of the hollow tube are connected with the first through hole, institute
The second opening for stating the other end of hollow tube is connected with second through hole；Wherein, the volume of the inner chamber of the hollow tube is less than
The volume of the inner chamber of the cavity.
2. loudspeaker side according to claim 1 goes out acoustic form, it is characterised in that：The volume of the inner chamber of the cavity is institute
State the volume of the inner chamber of hollow tube more than five times.
3. loudspeaker side according to claim 1 goes out acoustic form, it is characterised in that：The inner chamber of the hollow tube is shaped as
Cylinder, the inner chamber of the cavity is shaped as square.
4. loudspeaker side according to claim 1 goes out acoustic form, it is characterised in that：Set in the cavity wall of the inner chamber of the cavity
It is equipped with least one layer of sound-absorbing material.
5. a kind of loudspeaker module, including speaker housings and loudspeaker, the loudspeaker are arranged in the speaker housings,
Characterized in that, the loudspeaker module also includes：Loudspeaker side as described in any one of Claims 1 to 4 goes out acoustic form, institute
Loudspeaker side is stated to speak side of the structure setting in the face of speaking of the loudspeaker.
6. loudspeaker module according to claim 5, it is characterised in that：Between the loudspeaker and the speaker housings
Ante-chamber is formed, the inlet sound mouth that the loudspeaker side goes out acoustic form is connected with the ante-chamber.
7. a kind of mobile terminal, including：Loudspeaker module as described in claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096988.5U CN206481455U (en) | 2017-01-24 | 2017-01-24 | A kind of loudspeaker side goes out acoustic form, loudspeaker module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096988.5U CN206481455U (en) | 2017-01-24 | 2017-01-24 | A kind of loudspeaker side goes out acoustic form, loudspeaker module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206481455U true CN206481455U (en) | 2017-09-08 |
Family
ID=59754471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720096988.5U Active CN206481455U (en) | 2017-01-24 | 2017-01-24 | A kind of loudspeaker side goes out acoustic form, loudspeaker module and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206481455U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228472A1 (en) * | 2019-05-15 | 2020-11-19 | 维沃移动通信有限公司 | Loudspeaker and terminal device |
| WO2020228492A1 (en) * | 2019-05-15 | 2020-11-19 | 维沃移动通信有限公司 | Loudspeaker and terminal device |
| RU2789115C1 (en) * | 2019-05-15 | 2023-01-30 | Виво Мобайл Комьюникэйшн Ко., Лтд. | Speaker and terminal device |
-
2017
- 2017-01-24 CN CN201720096988.5U patent/CN206481455U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228472A1 (en) * | 2019-05-15 | 2020-11-19 | 维沃移动通信有限公司 | Loudspeaker and terminal device |
| WO2020228492A1 (en) * | 2019-05-15 | 2020-11-19 | 维沃移动通信有限公司 | Loudspeaker and terminal device |
| JP2022532103A (en) * | 2019-05-15 | 2022-07-13 | 維沃移動通信有限公司 | Speakers and terminal equipment |
| RU2789115C1 (en) * | 2019-05-15 | 2023-01-30 | Виво Мобайл Комьюникэйшн Ко., Лтд. | Speaker and terminal device |
| AU2020276328B2 (en) * | 2019-05-15 | 2023-04-27 | Vivo Mobile Communication Co., Ltd. | Loudspeaker and terminal device |
| JP7350889B2 (en) | 2019-05-15 | 2023-09-26 | 維沃移動通信有限公司 | Speakers and terminal equipment |
| US11924620B2 (en) | 2019-05-15 | 2024-03-05 | Vivo Mobile Communication Co., Ltd. | Speaker and terminal device |
| US11930345B2 (en) | 2019-05-15 | 2024-03-12 | Vivo Mobile Communication Co., Ltd. | Speaker and terminal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204993827U (en) | Loudspeaker module | |
| CN206181362U (en) | Sounding device | |
| CN1997054A (en) | Structure of mobile phone sound box | |
| CN107371107A (en) | Loudspeaker module and electronic equipment | |
| CN206481455U (en) | A kind of loudspeaker side goes out acoustic form, loudspeaker module and mobile terminal | |
| CN201345722Y (en) | Low-frequency extension unit | |
| CN108462929A (en) | Loud speaker module and electronic equipment | |
| CN206585739U (en) | A kind of bass boosting sound box | |
| CN208112944U (en) | Loudspeaker mould group and electronic equipment | |
| CN204795558U (en) | Audio amplifier is with passive low frequency radiation | |
| CN204482015U (en) | The anti-type speaker system of high radiation | |
| CN105118497A (en) | Tube-bundle perforated panel and spring cyclic structure sound absorption apparatus | |
| CN203435127U (en) | Portable electronic device | |
| CN207304902U (en) | Loudspeaker module and electronic equipment | |
| CN113793586A (en) | Low-frequency ultra-wideband acoustic black hole acoustic material structure | |
| CN202758608U (en) | Sound-absorbing body of composite resonant cavity | |
| CN219248033U (en) | Earphone cavity structure capable of optimizing high-frequency response | |
| KR101373515B1 (en) | Acoustic resonators with multi-tuning functions | |
| CN206963065U (en) | Loudspeaker module and terminal device | |
| CN207124749U (en) | Loudspeaker module and electronic equipment | |
| CN207802339U (en) | A kind of sound-producing device module | |
| CN204425601U (en) | A kind of audio amplifier | |
| CN207332016U (en) | A kind of library's sound insulation sound absorption composite construction plate | |
| CN201967101U (en) | Double-suspension loudspeaker | |
| CN204031438U (en) | The thin type horn that a kind of vibrating membrane exposes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |