CN106973348B - Loudspeaker mould group and electronic equipment - Google Patents

Loudspeaker mould group and electronic equipment Download PDF

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Publication number
CN106973348B
CN106973348B CN201710273851.7A CN201710273851A CN106973348B CN 106973348 B CN106973348 B CN 106973348B CN 201710273851 A CN201710273851 A CN 201710273851A CN 106973348 B CN106973348 B CN 106973348B
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CN
China
Prior art keywords
loudspeaker
monomer
operatic tunes
mould
shell
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
Application number
CN201710273851.7A
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Chinese (zh)
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CN106973348A (en
Inventor
赵国栋
平康
王国福
杨鑫峰
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Goertek Inc
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Goertek Inc
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Publication date
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Priority to CN201710273851.7A priority Critical patent/CN106973348B/en
Publication of CN106973348A publication Critical patent/CN106973348A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention discloses a kind of loudspeaker mould group and electronic equipments, the loudspeaker mould group includes module shell and loudspeaker monomer, the loudspeaker monomer is housed in the module shell, and the inner cavity of the module shell is divided into the rear operatic tunes and with the preceding operatic tunes of acoustic aperture out by the vibrating diaphragm of the loudspeaker monomer;The loudspeaker monomer has more than two leaks, and described two above leaks are communicated with the rear operatic tunes;The operatic tunes includes more than two chambers after described, and each chamber is communicated with the part leak.

Description

Loudspeaker mould group and electronic equipment
Technical field
The present invention relates to electro-acoustic product technical fields, more particularly it relates to a kind of loudspeaker mould group and a kind of electricity Sub- equipment.
Background technique
Loudspeaker mould group includes module shell and the loudspeaker monomer that is housed in module shell, the vibration of the loudspeaker monomer The inner cavity of module shell is divided into the preceding operatic tunes and the rear operatic tunes by film, wherein the preceding operatic tunes has acoustic aperture, so that loudspeaker mould group is logical Cross preceding operatic tunes sounding.
Existing loudspeaker mould group common problem is: existing when exporting the simple signals such as piano music more apparent Noise, and then the stability of loudspeaker mould group sound quality is affected, which has become the problem that industry needs emphasis to capture.
Summary of the invention
One purpose of the embodiment of the present invention is to provide a kind of new technical solution of loudspeaker mould group, to improve output steel Noise phenomenon when the simple signals such as qin song.
According to the first aspect of the invention, a kind of loudspeaker mould group is provided comprising module shell and loudspeaker monomer, The loudspeaker monomer is housed in the module shell, and the vibrating diaphragm of the loudspeaker monomer divides the inner cavity of the module shell It is divided into the rear operatic tunes and the preceding operatic tunes with acoustic aperture out;The loudspeaker monomer has more than two leaks, and described two Above leak is communicated with the rear operatic tunes;The operatic tunes includes more than two chambers after described, each chamber and part The leak communicates.
Optionally, the loudspeaker monomer includes monomer shell and the magnetic circuit component that is mounted on the monomer shell, At least one leak in described two above leaks is formed between the monomer shell and the magnetic circuit component.
Optionally, the loudspeaker monomer is arranged at least one leak in described two above leaks On monomer shell.
Optionally, the loudspeaker monomer includes monomer shell and the magnetic circuit component that is mounted on the monomer shell, At least one leak in described two above leaks is arranged on the magnetic circuit component.
Optionally, the loudspeaker monomer has leak described in even number, and leak described in the even number closes It is arranged symmetrically at least one middle section of the vibrating diaphragm of the loudspeaker monomer.
Optionally, the loudspeaker mould group includes the partition wall being arranged in the rear operatic tunes, and the partition wall is set It is set to and the rear operatic tunes is divided into including described two above chambers;The partition wall and module shell one at Type.
Optionally, the loudspeaker mould group includes the partition wall being arranged in the rear operatic tunes, and the partition wall is set It is set to and the rear operatic tunes is divided into including described two above chambers;The partition wall is made of sound-absorbing material.
Optionally, the module shell is provided with described two with the one-to-one damping hole of upper chamber, Mei Yisuo Chamber is stated to communicate with the outside world by corresponding damping hole.
Optionally, described two above leaks and described two above chambers are corresponded and are configured.
According to the second aspect of the invention, a kind of electronic equipment is also provided, institute according to a first aspect of the present invention is provided with The loudspeaker mould group stated.
A beneficial effect of the invention is that the rear operatic tunes is divided into including at least two chambers by loudspeaker mould group of the present invention Room, and communicate each chamber only with the partial compromise hole of loudspeaker monomer, this can effectively mitigate loudspeaker monomer by not With the degree that the air-flow of leak outflow is collided in the rear operatic tunes, the smoothness of air-flow is improved, loudspeaker mould is effectively solved The souffle problem that group occurs when exporting the simple signals such as piano sound.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even With its explanation together principle for explaining the present invention.
Fig. 1 is the overall structure diagram according to a kind of embodiment of loudspeaker mould group of the present invention;
Fig. 2 is the structural schematic diagram for opening the module shell of loudspeaker mould group in Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of loudspeaker mould group in Fig. 1;
Fig. 4 is schematic cross-sectional view of the loudspeaker mould group at partition wall displacement in Fig. 1.
Description of symbols:
100- module shell;110- mould group upper casing;
120- mould group lower casing;200- loudspeaker monomer;
210- monomer front cover;220- monomer shell;
230- vibration component;231- vibrating diaphragm;
232- voice coil;The reinforcement part 233-;
260- magnetic circuit component;261- conductive magnetic yoke;
262- centring magnet;The side 263- magnet;
The center 264- magnetic conductive board;300- Air Filter;
400- foam;500- partition wall.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 to Fig. 4 is the structural schematic diagram according to a kind of embodiment of loudspeaker mould group of the present invention.
According to Fig. 1 to Fig. 4, loudspeaker mould group of the present invention includes module shell 100 and loudspeaker monomer 200, this is raised Sound device monomer 200 is housed in the inner cavity of module shell 100.
Loudspeaker monomer 200 may include monomer shell 220, magnetic circuit component 260 and vibration component 230.
Vibration component 230 includes vibrating diaphragm 231 and voice coil 232.
Vibrating diaphragm 231 may include centrally located planar portions, the ring portion around planar portions and the edge around ring portion Portion.
The edge part of vibrating diaphragm 231 is for example fixedly connected on the edge of monomer shell 220 by adhesion means.
Voice coil 232 is for example fixedly connected in the planar portions of vibrating diaphragm 231 by adhesion means, and outside voice coil 232 and monomer Shell 220 is located at the same side of vibrating diaphragm 231.
Vibration component 230 can further include reinforcement part (DOME) 233, which is fixedly connected on vibrating diaphragm In 231 planar portions.
Reinforcement part 233 and voice coil 232 can be located at the same side of vibrating diaphragm 231, can also be located at the not ipsilateral of vibrating diaphragm 231.
Magnetic circuit component 260 is mounted on monomer shell 220, and voice coil 232 is placed in the magnetic gap of magnetic circuit component 260, with It when receiving audio signal (AC signal), is vibrated under the action of magnetic circuit component 260, and then surrounding is instigated by vibrating diaphragm 231 Air sounding.
In this embodiment, as shown in Figure 3 and Figure 4, magnetic circuit component 260 may include centring magnet 262, flat lead Magnetic yoke 261 and side magnet 263.Centring magnet 262 and side magnet 263 are fixedly connected in conductive magnetic yoke 261 towards voice coil 232 Surface on, and side magnet 263 around centring magnet 262 arrange, between side magnet 263 and centring magnet 262 formed on State magnetic gap.
Further, which can also include center magnetic conductive board 264, and center magnetic conductive board 264 is centrally disposed On the surface towards vibrating diaphragm 231 of magnet 262, to play the role of correcting the magnetic line of force.
Further, which can also include side magnetic conductive board, the face of magnet 263 when magnetic conductive board is arranged in To on the surface of vibrating diaphragm 231, to play the role of correcting the magnetic line of force.
In a further embodiment, magnetic circuit component 260 also may include bowl-shape conductive magnetic yoke and centring magnet, the conductive magnetic yoke Further comprise flat part and rolls over the sidewall portion extended to 232 place lateral bending of voice coil via the edge of flat part.Centring magnet Such as be fixedly connected on the surface towards voice coil 232 of flat part by the means of bonding, in sidewall portion and centring magnet Between form above-mentioned magnetic gap.
The loudspeaker monomer 200 can further include monomer front cover 210, and vibrating diaphragm 231 is fixedly connected on monomer Between shell 220 and monomer front cover 210.
The loudspeaker monomer 200 can also save monomer front cover 210, and can further be carried out by module shell 100 Anti- disengagement of the vibrating diaphragm 213 in the other side is protected.
After loudspeaker monomer 200 is mounted in the inner cavity of module shell 100,231 meeting of vibrating diaphragm of loudspeaker monomer 200 The inner cavity is divided into the mutually independent preceding operatic tunes and the rear operatic tunes.
Monomer shell 220, voice coil 232 and the magnetic circuit component 260 of loudspeaker monomer 200 are respectively positioned on the rear sound of loudspeaker mould group In chamber.
Module shell 100 has what is communicated with the preceding operatic tunes to go out acoustic aperture, by going out acoustic aperture sounding.
According to Fig.3, which can also include Air Filter 300, which is arranged in module shell On 100, and cover the acoustic aperture out of module shell 100.
Since loudspeaker monomer 200 can generate a large amount of heat during the work time, which can cause in the rear operatic tunes Gas expansion causes the air pressure in the rear operatic tunes to increase therewith, and vibrating diaphragm is influenced by air pressure is raised in the rear operatic tunes, it may appear that vibration up and down Asymmetric phenomenon is moved, and then influences the normal work of loudspeaker mould group.Inside and outside the rear operatic tunes in order to balance loudspeaker mould group Air pressure keeps the symmetry of the amplitude of vibrating diaphragm 231, and then improves acoustical behavior, can be arranged on module shell 100 and rear sound The damping hole that chamber communicates, and the leak communicated with the rear operatic tunes is set on loudspeaker monomer 200.
The leak can be set on the monomer shell 220 of loudspeaker monomer 200.
The leak also can be set on the magnetic circuit component 260 of loudspeaker monomer 200.For example, being arranged in magnetic circuit component In 260 conductive magnetic yoke 261.
The leak can also be formed between monomer shell 220 and magnetic circuit component 260, that is to say, that outside by monomer Gap between shell 220 and magnetic circuit component 260 forms leak.
More than two (including two) leaks, through analyzing, loudspeaker monomer 200 can be set in the loudspeaker monomer 200 The air-flow flowed out by different leaks can collide in the rear operatic tunes, in turn result in air turbulence, this is largely Loudspeaker mould group is caused noise phenomenon occur when exporting the simple signals such as piano sound.
In order to solve this problem, in an embodiment of the present invention, the rear operatic tunes of loudspeaker mould group include it is more than two (including Two) chamber, each chamber only communicates with the partial compromise hole of loudspeaker monomer 200.In this way, can at least mitigate loudspeaker The degree that the air-flow that monomer 200 is flowed out by different leaks is collided in the rear operatic tunes improves the smoothness of air-flow, effectively Solve the souffle problem that loudspeaker mould group occurs when exporting the simple signals such as piano sound.
Illustratively, each chamber can be corresponded with leak and be configured, so that each chamber and a leak phase It is logical.This way it is possible to avoid the air-flow that loudspeaker monomer 200 is flowed out by different leaks collides in the rear operatic tunes, into one Step improves the smoothness of air-flow, more efficiently solves the noise that loudspeaker mould group occurs when exporting the simple signals such as piano sound Problem.
Illustratively, loudspeaker monomer 200 can have even number leak.
In the embodiment that loudspeaker monomer 200 has even number leak, even number leak can be further related to At least one middle section of vibrating diaphragm 231 is arranged symmetrically, to improve the balanced action of air-flow.
In this embodiment, according to Fig.2, there are four leak (not shown), rear sound for the tool of loudspeaker monomer 200 Chamber tool is there are four chamber 130, respectively first chamber 131, second chamber 132, third chamber 133 and the 4th chamber 134, and four Leak is respectively communicated with a chamber 130.For example, four leaks can be located at four edges of loudspeaker monomer 200, So that four leaks are arranged symmetrically about two middle sections of vibrating diaphragm 231.
Loudspeaker monomer 200 also can have odd number leak.
Each chamber of the operatic tunes can have of substantially the same volume afterwards, can also be carried out according to the debugging to acoustical behavior Difference design.
The damping hole communicated with the outside world can be arranged for each chamber in module shell 100.
As shown in Figures 2 and 3, loudspeaker mould group includes the partition wall 500 being arranged in the rear operatic tunes, to pass through partition wall 500 are divided into the rear operatic tunes including more than two chambers 130 with the cooperation of monomer shell 220.
The partition wall 500 can be integrally formed with module shell 100.
The partition wall 500 can also be fixed together by the means and module shell 100 such as welding, being bonded.
The module shell 100 may include mould group upper casing 110 and the mould group lower casing 120 being fixedly connected with mould group upper casing 110, Wherein, the acoustic aperture that goes out of loudspeaker mould group is provided on mould group upper casing 110.In this embodiment, partition wall 500 for example can be specific It is integrally formed with mould group lower casing 120.
The partition wall 500 can be made of sound-absorbing material, can also adjust sound quality by partition wall 500.In this way, passing through When the rear operatic tunes is divided into including more than two chambers by partition wall 500, the volume of the rear operatic tunes not only will not influence, but also can mitigate very It is collided in the rear operatic tunes to the air-flow for avoiding loudspeaker monomer 200 from flowing out by different leaks.In this embodiment, every Disconnected wall 500 can be for example adhesively fixed in the rear operatic tunes.
Sound-absorbing material is mostly loose porous material, such as mineral wool, foam, silica, zeolite, acoustical cotton.It inhales The sound absorbing mechanism of sound material is the hole that sound wave gos deep into material, and hole is mostly the internal open pore to interpenetrate, by air The effect of molecular friction and viscosity resistance, makes fiber fines make mechanical oscillation, so that sound be enable to be changed into thermal energy.This kind of porosity The acoustic absorptivity of sound-absorbing material is generally gradually increased from low to high, therefore preferable to the sound absorbing effects of high frequency and intermediate frequency.
Shown according to Fig. 3 and Fig. 4, which can also include foam 400, which is raising Between sound device monomer 200 and module shell 100.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Divide cross-reference, each embodiment focuses on the differences from other embodiments, and each embodiment It can according to need exclusive use or be combined with each other.
Although some specific embodiments of the invention are described in detail by example, the skill of this field Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair Bright range is defined by the following claims.

Claims (9)

1. a kind of loudspeaker mould group, which is characterized in that including module shell and loudspeaker monomer, the loudspeaker monomer is housed in In the module shell, the inner cavity of the module shell is divided into the rear operatic tunes and had by the vibrating diaphragm of the loudspeaker monomer speaks The preceding operatic tunes in hole;The loudspeaker monomer has more than two leaks, and described two above leaks and it is described after The operatic tunes communicates;The operatic tunes includes more than two chambers after described, and each chamber is communicated with the part leak, and described More than two leaks and described two above chambers are corresponded and are configured.
2. loudspeaker mould group according to claim 1, which is characterized in that the loudspeaker monomer includes monomer shell and peace Magnetic circuit component on the monomer shell, at least one leak in described two above leaks are formed in described Between monomer shell and the magnetic circuit component.
3. loudspeaker mould group according to claim 1, which is characterized in that at least one in described two above leaks A leak is arranged on the monomer shell of the loudspeaker monomer.
4. loudspeaker mould group according to claim 1, which is characterized in that the loudspeaker monomer includes monomer shell and peace Magnetic circuit component on the monomer shell, at least one leak in described two above leaks are arranged described On magnetic circuit component.
5. loudspeaker mould group according to claim 1, which is characterized in that the loudspeaker monomer has to be let out described in even number Leak hole, and leak described in the even number is arranged symmetrically about at least one middle section of the vibrating diaphragm.
6. loudspeaker mould group according to claim 1, which is characterized in that the loudspeaker mould group includes being arranged after described Partition wall in the operatic tunes, the partition wall are arranged to for the rear operatic tunes being divided into including described two above chambers;Institute It states partition wall and the module shell is integrally formed.
7. loudspeaker mould group according to claim 1, which is characterized in that the loudspeaker mould group includes being arranged after described Partition wall in the operatic tunes, the partition wall are arranged to for the rear operatic tunes being divided into including described two above chambers;Institute Partition wall is stated to be made of sound-absorbing material.
8. loudspeaker mould group according to claim 1, which is characterized in that the module shell be provided with it is described two with The one-to-one damping hole of upper chamber, each chamber are communicated with the outside world by corresponding damping hole.
9. a kind of electronic equipment, which is characterized in that be provided with loudspeaker mould group of any of claims 1-8.
CN201710273851.7A 2017-04-24 2017-04-24 Loudspeaker mould group and electronic equipment Active CN106973348B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710273851.7A CN106973348B (en) 2017-04-24 2017-04-24 Loudspeaker mould group and electronic equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710273851.7A CN106973348B (en) 2017-04-24 2017-04-24 Loudspeaker mould group and electronic equipment
PCT/CN2017/089140 WO2018196132A1 (en) 2017-04-24 2017-06-20 Loudspeaker module and electronic device

Publications (2)

Publication Number Publication Date
CN106973348A CN106973348A (en) 2017-07-21
CN106973348B true CN106973348B (en) 2019-02-26

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WO (1) WO2018196132A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208112927U (en) * 2018-04-28 2018-11-16 歌尔科技有限公司 Sounding device and electronic product for electronic product
CN108366313A (en) * 2018-05-17 2018-08-03 歌尔股份有限公司 Acoustical generator and earphone
CN108650603A (en) * 2018-08-01 2018-10-12 歌尔股份有限公司 Microphone device and portable terminal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1198109A1 (en) * 2000-10-13 2002-04-17 Sony International (Europe) GmbH Capped earpiece for a mobile phone
CN101500185A (en) * 2008-01-30 2009-08-05 深圳富泰宏精密工业有限公司 Loudspeaker assembly
CN201893922U (en) * 2010-11-10 2011-07-06 瑞声光电科技(常州)有限公司 Electromagnetic loudspeaker
CN103220608B (en) * 2013-04-16 2016-08-24 歌尔声学股份有限公司 Speaker module
CN203387666U (en) * 2013-06-14 2014-01-08 歌尔声学股份有限公司 Sounding device
CN104168525A (en) * 2014-07-25 2014-11-26 无锡杰夫电声有限公司 Inverted phase type multipoint excitation loudspeaker case
CN204948336U (en) * 2015-07-24 2016-01-06 歌尔声学股份有限公司 Microspeaker
CN105681984A (en) * 2016-01-27 2016-06-15 瑞声光电科技(常州)有限公司 Loudspeaker
CN206820996U (en) * 2017-04-24 2017-12-29 歌尔股份有限公司 Loudspeaker module and electronic equipment

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CN106973348A (en) 2017-07-21

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