CN105764015A - Loudspeaker module and mobile terminal - Google Patents
Loudspeaker module and mobile terminal Download PDFInfo
- Publication number
- CN105764015A CN105764015A CN201610305377.7A CN201610305377A CN105764015A CN 105764015 A CN105764015 A CN 105764015A CN 201610305377 A CN201610305377 A CN 201610305377A CN 105764015 A CN105764015 A CN 105764015A
- Authority
- CN
- China
- Prior art keywords
- kink
- speaker module
- acoustic aperture
- housing
- out acoustic
- 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.)
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- 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
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses a loudspeaker module and a mobile terminal.The loudspeaker module comprises a shell, a loudspeaker monomer, a flexible circuit board and a first thin film; the loudspeaker monomer is electrically connected with the flexible circuit board through a conductive elastic part; the two side walls of the shell inwards and oppositely stretch in a protruding mode to form a pair of convex strips, the convex strips divide the shell into a first cavity and a second cavity which are separated from each other, and the loudspeaker monomer and the flexible circuit board are installed in the first cavity; the side wall of the shell is provided with a first sound making hole which is located in the second cavity and sealed by the first thin film.According to the loudspeaker module, the bass and loudness of a loudspeaker module which makes a sound from the side face are increased, and the sound effect is well improved.
Description
Technical field
The present invention relates to speaker field, particularly relate to a kind of speaker module and mobile terminal.
Background technology
In recent years, fast development along with mobile communication technology, consumer is increasingly using the mobile communication equipment with phonetic function, for instance mobile phone, handheld device, laptop computer, multimedia player and other equipment that can be communicated by public or dedicated communications network.Speaker module is as the voice playing device of mobile communication equipment, and its design quality directly affects the speech performance of Related product.
Current mobile phone, typically via arranging rear sound chamber enclosed speaker module to realize sound-electric conversion.As it is shown in figure 1, this speaker module generally include loudspeaker monomer 100, around loudspeaker monomer 100 arrange shell 200 and flexible PCB 300.This flexible PCB 300 is electrically connected with loudspeaker monomer 100 by electroconductive elastic sheet 400.Vibrational system (not shown) that this loudspeaker monomer 100 includes being provided with vibrating diaphragm and voice coil loudspeaker voice coil and for forming the magnetic circuit system (not shown) of the magnetic gap housing voice coil loudspeaker voice coil, the front sound chamber and rear sound chamber that are separated from each other is formed between vibrating diaphragm and shell 200, front sound chamber connects with the acoustic aperture 201 that goes out on shell 200, and the cavity in rear sound chamber seals.
During work, voice coil loudspeaker voice coil drives diaphragm oscillations sounding, and this sound is sent to the external world mainly through the acoustic aperture 201 that goes out in front sound chamber, thus being heard by human ear.During for avoiding user that mobile phone is put in desktop or pocket, the acoustic aperture 201 that goes out of speaker is blocked, and then affect audio fruit, therefore existing go out acoustic aperture 201 be generally arranged at the side in front sound chamber, the side realizing speaker module goes out sound, but owing to space limits, the front sound cavity space of speaker is often only small, thus causing that the low-frequency cut-off frequency of speaker is higher, low-frequency effect is poor.
Summary of the invention
It is an object of the invention to provide a kind of speaker module and mobile terminal, go out the technical problem that the speakers low frequencies cut-off frequency of sound is poor compared with high and low frequency effect solving existing side.
For solving above-mentioned technical problem, the embodiment of the present invention provides techniques below scheme:
A kind of speaker module, comprising:
Housing, loudspeaker monomer, flexible PCB and the first film, be electrically connected by conductive resilient element between described loudspeaker monomer and flexible PCB；The relative projection inwardly of the two side of described housing is formed with a pair raised line, and described housing is separated into the first chamber separated from one another and the second chamber by described raised line, and described loudspeaker monomer and flexible PCB are arranged in described first chamber；Being further opened with first on the sidewall of described housing and go out acoustic aperture, described first goes out acoustic aperture is positioned at described second chamber, and described the first film goes out acoustic aperture to described first and seals.
Further, described housing includes the first kink and the second kink near described first sidewall going out acoustic aperture；Described first kink is vertically fixed on the diapire of described housing, and described second kink tilts to be fixed on described first kink, and the described first hole of speaking is formed between described second kink and the roof of described housing.
Further, the slanted angle between described first kink and the second kink is acute angle, and the distance between described first kink and described roof is less than the distance between described second kink and described roof.
Further, described raised line, the first kink and the second kink are integrated injection mo(u)lding.
Further, described second kink projection outwardly is formed with brace rod, and for strengthening the bending strength of described second kink, described brace rod is parallel to described first kink.
Further, described brace rod is provided with a plurality of, and it is positioned at the centre position of described second kink.
Further, described first kink is provided with second and goes out acoustic aperture, and described speaker module also includes the second thin film, and described second thin film goes out acoustic aperture to described second and seals.
Further, described second goes out acoustic aperture and the second thin film is equipped with multiple.
Further, described the first film is made up of polyurethane elastomer material.
For solving above-mentioned technical problem, the embodiment of the present invention also provides for techniques below scheme:
A kind of mobile terminal, described mobile terminal includes the speaker module described in above-mentioned any one.
Speaker module of the present invention and mobile terminal, a pair raised line is formed by projection on the two side of housing, this housing is made to be separated into the first chamber separated from one another and the second chamber, and loudspeaker monomer and flexible PCB are arranged in this first chamber, then pass through and on the sidewall of housing, offer first go out acoustic aperture, and with the first film, this first is gone out acoustic aperture seals, wherein this first goes out acoustic aperture and is arranged in this second chamber, side can be improved and go out the bass of speaker module and the loudness of sound, improve audio preferably.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, technical scheme and other beneficial effect will be made apparent.
Fig. 1 is the cross-sectional schematic of the speaker module that prior art provides.
The cross-sectional schematic of the speaker module that Fig. 2 provides for the embodiment of the present invention.
The cross-sectional schematic of another speaker module that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 2, Fig. 2 specifically describes the speaker module that the embodiment of the present invention provides, it can include housing 1, loudspeaker monomer 2, flexible PCB 3 and the first film 4, is electrically connected by conductive resilient element 5 between this loudspeaker monomer 2 and flexible PCB 3；The relative projection inwardly of the two side 11 of this housing 1 is formed with a pair raised line 111, and this housing 1 is separated into the first chamber A separated from one another and the second chamber B by this raised line 111, and this loudspeaker monomer 2 and flexible PCB 3 are arranged in this first chamber A；Being further opened with first on the sidewall 11 of this housing 1 and go out acoustic aperture 112, this first goes out acoustic aperture 112 and is positioned at this second chamber B, and this first is gone out acoustic aperture 112 and seal by this first film 4.
In the present embodiment, this conductive resilient element 5 can be electroconductive elastic sheet, this loudspeaker monomer 2 can include vibrating diaphragm, voice coil loudspeaker voice coil and magnet steel (all not shown in figure), the two ends of conductive resilient element 5 are connected with flexible PCB 3 and magnet steel respectively, can be fixed by glue or double faced adhesive tape between vibrating diaphragm and voice coil loudspeaker voice coil.During work, the signal of telecommunication on flexible PCB 3 is transferred to voice coil loudspeaker voice coil by conductive resilient element 5, voice coil loudspeaker voice coil is made to produce alternating magnetic field in magnetic gap, the magnetic effect of this alternating magnetic field forces voice coil loudspeaker voice coil to move up and down, thus driving diaphragm oscillations to produce sound wave, this sound wave part is transferred in the first chamber A, and another part is transferred in the second chamber B through the gap this pair raised line 111, and go out acoustic aperture 112 via first and be transferred to the external world, thus being heard by human ear.
Concrete, this housing 1 includes the first kink 113 and the second kink 114 near this first sidewall 11 going out acoustic aperture 112；This first kink 113 is vertically fixed on the diapire 12 of this housing 1, and this second kink 114 tilts to be fixed on this first kink 113, and this first goes out acoustic aperture 112 and be formed between this second kink 114 and roof 13 of this housing 1.In the present embodiment, being not absolute upright between this first kink 113 and diapire 12, can there is certain range of error in it.This second kink 114 can tilt to be fixed on the optional position of this first kink 113, it is preferred that this second kink 114 tilts to be fixed on the end of the first kink 113, and fixes with the end of this raised line 111.
In the present embodiment, this raised line 111, first kink 113 and the second kink 114 can be integrated injection mo(u)lding, it is also possible to be separately formed after be attached by welding or the fixed form such as bolt.The size of the slanted angle θ between this first kink 113 and second kink 114 can be determined according to the real space size of speaker module, and it can be acute angle, obtuse angle or right angle, etc..
Preferably, for increasing the space of the second chamber B, thus effectively strengthening the audio of speaker module, slanted angle θ between this first kink 113 and second kink 114 is acute angle, and the distance between this first kink 113 and this roof 13 is less than the distance between this second kink 114 and this roof 13, namely, the space formed between this second kink 114 and roof 13 is trapezoidal, and the bottom of this trapezoid space first goes out acoustic aperture 112 near this, so, time sound is outwards propagated by this trapezoid space, the dispersion of sound can be effectively reduced, increase the amplitude of sound, thus improving audio, simultaneously, this the first film 4 is also prevented from water and dust enters the inside of this speaker module, play the effect of water proof and dust proof.
Preferably, as shown in Figure 3, time for avoiding speaker module generation sharp impacts, this second kink 114 is easily broken off, this the second kink 114 projection outwardly is formed with brace rod 115, for strengthening the bending strength of this second kink 114, this brace rod 115 is parallel to this first kink 113.It should be noted that not absolute parallel between this brace rod 115 and this first kink 113, can there is certain range of error in it.Preferably, for making this second kink 114 uniform force, this brace rod 115 can be provided with a plurality of, and it is located substantially at the centre position of this second kink 114.
In the present embodiment, this first film 4 can be made and pliable good thermoplastic big by high resiliency, in-fighting, and such as, this first film 4 is made up of polyurethane elastomer material.First acoustic aperture 112 place is gone out owing to this first film 4 is positioned at this, therefore sound is from the process that trapezoid space outwardly transmits, outwardly can radiate again after transmitting via the first film 4, so, small-signal sound wave is not easy to be fallen by air damping, it is effectively increased bass tonequality and loudness, improves low-frequency effect.
Further, since the part in the sound wave of vibrating diaphragm generation can be sent to the first chamber A, and the first chamber A is airtight, therefore this acoustic wave segment cannot be delivered to human ear, causes that sound wave is not fully utilized.For improving the utilization rate of sound wave, this first kink 113 can being provided with second and go out acoustic aperture 116, this speaker module can also include the second thin film 6, and this second is gone out acoustic aperture 116 and seal by this second thin film 6, specifically as shown in Figure 3.So, this first chamber A is the formation of a passive radiator, this passive radiator vibrates the radiative acoustic wave produced and the sound wave by the second chamber B transmission is in duty in the same direction, by complex sound this passive radiator the form of quality resonance genial utilizing air in the first cavity A and housing 1 to collectively form, thus strengthening low sonority, improve bass audio.Preferably, this second goes out acoustic aperture 116 and the second thin film 6 all can be provided with multiple.
Additionally, the embodiment of the present invention also provides for a kind of mobile terminal, this mobile terminal includes any one speaker module above-mentioned.Preferably, this mobile terminal can be the electronic products such as mobile phone, panel computer and notebook computer.
From the above, speaker module described in the embodiment of the present invention and mobile terminal, a pair raised line 111 is formed by projection on the two side 11 of housing 1, this housing 1 is made to be separated into the first chamber A separated from one another and the second chamber B, and loudspeaker monomer 2 and flexible PCB 3 are arranged in this first chamber A, then pass through and on the sidewall 11 of housing 1, offer first go out acoustic aperture 112, and with the first film 4, this first is gone out acoustic aperture 112 seals, wherein this first goes out acoustic aperture 112 and is arranged in this second chamber B, side can be improved and go out the bass of speaker module and the loudness of sound, improve audio preferably, simultaneously can water proof and dust proof.
A kind of speaker the module above embodiment of the present invention provided and mobile terminal are described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for those skilled in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a speaker module, it is characterised in that including: housing, loudspeaker monomer, flexible PCB and the first film, is electrically connected by conductive resilient element between described loudspeaker monomer and flexible PCB；The relative projection inwardly of the two side of described housing is formed with a pair raised line, and described housing is separated into the first chamber separated from one another and the second chamber by described raised line, and described loudspeaker monomer and flexible PCB are arranged in described first chamber；Being further opened with first on the sidewall of described housing and go out acoustic aperture, described first goes out acoustic aperture is positioned at described second chamber, and described the first film goes out acoustic aperture to described first and seals.
2. speaker module according to claim 1, it is characterised in that include the first kink and the second kink near described first sidewall going out acoustic aperture in described housing；Described first kink is vertically fixed on the diapire of described housing, and described second kink tilts to be fixed on described first kink, and the described first hole of speaking is formed between described second kink and the roof of described housing.
3. speaker module according to claim 2, it is characterized in that, slanted angle between described first kink and the second kink is acute angle, and the distance between described first kink and described roof is less than the distance between described second kink and described roof.
4. speaker module according to claim 2, it is characterised in that described raised line, the first kink and the second kink are integrated injection mo(u)lding.
5. speaker module according to claim 2, it is characterised in that described second kink projection outwardly is formed with brace rod, for strengthening the bending strength of described second kink, described brace rod is parallel to described first kink.
6. speaker module according to claim 5, it is characterised in that described brace rod is provided with a plurality of, it is positioned at the centre position of described second kink.
7. the speaker module stated according to claim 2, it is characterised in that described first kink is provided with second and goes out acoustic aperture, and described speaker module also includes the second thin film, and described second thin film goes out acoustic aperture to described second and seals.
8. speaker module according to claim 7, it is characterised in that described second goes out acoustic aperture and the second thin film is equipped with multiple.
9. speaker module according to claim 1, it is characterised in that described the first film is made up of polyurethane elastomer material.
10. a mobile terminal, it is characterised in that described mobile terminal includes the speaker module in claim 1-9 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305377.7A CN105764015B (en) | 2016-05-09 | 2016-05-09 | A kind of loudspeaker module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305377.7A CN105764015B (en) | 2016-05-09 | 2016-05-09 | A kind of loudspeaker module and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105764015A true CN105764015A (en) | 2016-07-13 |
| CN105764015B CN105764015B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610305377.7A Active CN105764015B (en) | 2016-05-09 | 2016-05-09 | A kind of loudspeaker module and mobile terminal |
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| Country | Link |
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| CN (1) | CN105764015B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162594A (en) * | 2020-09-08 | 2021-01-01 | 华为技术有限公司 | Electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638346Y (en) * | 2003-03-14 | 2004-09-01 | 明基电通股份有限公司 | Movable telephone and microphone assembly |
| CN201611942U (en) * | 2010-01-29 | 2010-10-20 | 中山市天键电子工业有限公司 | Waterproof earphone |
| CN202773037U (en) * | 2012-09-07 | 2013-03-06 | 广东欧珀移动通信有限公司 | Waterproof electronic product |
| JP2013138416A (en) * | 2011-11-30 | 2013-07-11 | Ube Ind Ltd | Speaker unit |
| US20150296302A1 (en) * | 2014-04-15 | 2015-10-15 | Bose Corporation | Loudspeaker with compliantly coupled low-frequency and high-frequency sections |
| CN205071289U (en) * | 2015-07-24 | 2016-03-02 | 上海与德通讯技术有限公司 | Sound chamber module and install electronic equipment of this sound chamber module |
-
2016
- 2016-05-09 CN CN201610305377.7A patent/CN105764015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638346Y (en) * | 2003-03-14 | 2004-09-01 | 明基电通股份有限公司 | Movable telephone and microphone assembly |
| CN201611942U (en) * | 2010-01-29 | 2010-10-20 | 中山市天键电子工业有限公司 | Waterproof earphone |
| JP2013138416A (en) * | 2011-11-30 | 2013-07-11 | Ube Ind Ltd | Speaker unit |
| CN202773037U (en) * | 2012-09-07 | 2013-03-06 | 广东欧珀移动通信有限公司 | Waterproof electronic product |
| US20150296302A1 (en) * | 2014-04-15 | 2015-10-15 | Bose Corporation | Loudspeaker with compliantly coupled low-frequency and high-frequency sections |
| CN205071289U (en) * | 2015-07-24 | 2016-03-02 | 上海与德通讯技术有限公司 | Sound chamber module and install electronic equipment of this sound chamber module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162594A (en) * | 2020-09-08 | 2021-01-01 | 华为技术有限公司 | Electronic device |
| CN112162594B (en) * | 2020-09-08 | 2023-03-10 | 华为技术有限公司 | Electronic device |
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| Publication number | Publication date |
|---|---|
| CN105764015B (en) | 2017-10-24 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |