CN108235197A - A kind of loud speaker module - Google Patents

A kind of loud speaker module Download PDF

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Publication number
CN108235197A
CN108235197A CN201810085780.2A CN201810085780A CN108235197A CN 108235197 A CN108235197 A CN 108235197A CN 201810085780 A CN201810085780 A CN 201810085780A CN 108235197 A CN108235197 A CN 108235197A
Authority
CN
China
Prior art keywords
shell
loud speaker
speaker module
ring
module
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.)
Pending
Application number
CN201810085780.2A
Other languages
Chinese (zh)
Inventor
张庆
张庆一
陈钢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201810085780.2A priority Critical patent/CN108235197A/en
Publication of CN108235197A publication Critical patent/CN108235197A/en
Pending legal-status Critical Current

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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
    • H04R9/06Loudspeakers
    • 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
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The present invention discloses a kind of loud speaker module, and including the module shell with cavity and the loudspeaker monomer being contained in the cavity, the cavity is divided into ante-chamber and back cavity by the loudspeaker monomer;Connection ante-chamber is offered on the side wall of the module shell goes out acoustic aperture;The module shell includes at least the first shell and second shell for being fixed together and forming cavity;The loudspeaker monomer includes vibrating diaphragm, the vibrating diaphragm is included to the ring portion bent close to the direction of the first shell, position corresponding with the ring portion is provided with the through-hole for vertically running through the first shell surfaces externally and internally in the first shell, and the first shell outer surface covers the sealing element of the through-hole with reference to being fixed with.Invention increases channel spaces of speaking, and improve the acoustical behavior of loud speaker module, improve the sound quality of loud speaker.

Description

A kind of loud speaker module
Technical field
The present invention relates to acoustic-electric switch technology fields.More particularly, to a kind of loud speaker module.
Background technology
As science and technology develops rapidly, requirement of the consumer to electronic product is higher and higher, based on consumer for electricity The design of the electronic products such as the requirement of sub- product, mobile phone tends to be lightening.Weight of the acoustical generator module as portable electronic device Acoustic element is wanted, is a kind of energy conversion device for completing the conversion between electric signal and acoustical signal.
At present, due to the lightening setting requirements of electronic product, loud speaker module is more and more thinner.Acoustic form is gone out for side For module, it is limited to the design of vibrating diaphragm ring, the sound channel space above ring is narrow, and loud speaker module, which is spoken, to have some setbacks Freely, the acoustical behavior of loud speaker module is influenced, the sound quality and sensitivity for making loud speaker module decline.
Accordingly, it is desirable to provide a kind of loud speaker module that can improve smooth degree of speaking.
Invention content
It is an object of the invention to be to provide a kind of loud speaker module, which increases going out above ring portion Sound channel space optimizes the effect for channel of speaking, and improves the acoustical behavior of loud speaker module, improves the sound of loud speaker Matter.
In order to achieve the above objectives, the present invention uses following technical proposals:
The present invention provides a kind of loud speaker modules, including the module shell with cavity and are contained in the cavity Loudspeaker monomer, the cavity is divided into ante-chamber and back cavity by the loudspeaker monomer;It is opened on the side wall of the module shell Go out acoustic aperture equipped with connection ante-chamber;The module shell, which includes at least, is fixed together the first shell to form cavity and the Two housings;The loudspeaker monomer includes vibrating diaphragm, and the vibrating diaphragm is included to the ring bent close to the direction of the first shell Portion, wherein,
Position corresponding with the ring portion is provided with vertically through appearance in the first shell in the first shell The through-hole in face, the first shell outer surface cover the sealing element of the through-hole with reference to being fixed with.
Preferably, the ring portion includes the distal end for going out the proximal end of acoustic aperture described in and going out acoustic aperture far from described in;It is described Through-hole is corresponded to positioned at the surface of the proximal end.
Preferably, the loud speaker module further include connect the ante-chamber and it is described go out acoustic aperture channel of speaking;It is described go out Sound channel include the upstream space of loudspeaker monomer described in face and the connection upstream space with it is described go out acoustic aperture side Channel;The through-hole corresponds to the upstream space setting of the channel of speaking.
Preferably, the first shell includes hollow-out parts corresponding with loudspeaker monomer, be equipped at the hollow-out parts with The steel disc of first shell integrated injection molding;At least a side edge of the steel disc extends to the outer of the proximal end in the ring portion Side, and the through-hole be located at on the steel disc edge corresponding to proximal end.
Preferably, the through-hole is one or more.
Preferably, the sealing element is PET sheet.
Preferably, the thickness of the PET sheet is less than 0.1mm.
Preferably, between the PET sheet and the first shell outer surface fixation is sealed by way of heating and pressing.
Preferably, the corresponding notch for offering mutual cooperation, phase interworking on the side wall of the first shell and second shell The notch of conjunction goes out acoustic aperture described in being formed.
Preferably, the vibrating diaphragm is rectangle vibrating diaphragm;The ring portion include long axis while and during short axle;The ring portion it is near Hold the short axle side for ring portion.
Beneficial effects of the present invention are as follows:
Compared with prior art, loud speaker module of the present invention is provided with vertically in first shell position corresponding with ring portion Through the through-hole of first shell surfaces externally and internally so that under conditions of loud speaker module tends to be frivolous, increase vibrating diaphragm ring portion Neighbouring channel space of speaking, the amplitude for the up-down vibration for improving vibrating diaphragm while, make sound that vibrating diaphragm generates more smoothly spoke The external world is mapped to, optimizes the acoustical behavior of loud speaker module;PET sheet is covered on through-hole and effectively prevents the same of liquid entrance When ensure that the air-tightness of channel of speaking, advanced optimized the acoustical behavior of loud speaker module so that the sound quality of loud speaker is more It is good.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the structure top view of the loud speaker module of one embodiment of the present invention.
Fig. 2 shows C-C sectional views in Fig. 1.
Fig. 3 shows the enlarged diagram in B portions in Fig. 2.
Fig. 4 shows the part-structure exploded view of the loud speaker module of one embodiment of the present invention.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
In order to increase the channel space of speaking of loud speaker, optimize the acoustical behavior of loud speaker, the present invention provides one kind to raise Sound device module as shown in Figure 1,2 and 3, is introduced so that loud speaker module is spoken in side as an example, including having outside the module of cavity The cavity is divided into ante-chamber and back cavity by shell 1 and the loudspeaker monomer being contained in the cavity, the loudspeaker monomer; Connection ante-chamber is offered on the side wall of the module shell 1 goes out acoustic aperture 3;The module shell 1 is included at least to combine and is fixed on The first shell 11 of cavity and second shell 12 are formed together;The loud speaker module further include the connection ante-chamber and it is described go out The channel 4 of speaking of acoustic aperture 3;Specifically, for speaking module for side, the channel 4 of speaking includes face loudspeaker monomer Upstream space and connection upstream space and the side channels for going out acoustic aperture 3.The loudspeaker monomer includes vibrating diaphragm 5, the vibrating diaphragm 5 Include to close to the first shell 11 direction bend ring portion 6, the present invention in first shell 11 with the ring portion 6 Corresponding position is provided with the vertical through-hole 7 for running through first shell surfaces externally and internally.Preferably, the close of the ring portion 6 speaks The part in hole 3 is defined as the proximal end in ring portion 6, and the distal end in ring portion 6 is defined as far from the part for going out acoustic aperture 3, and through-hole 7 corresponds to position In the surface of the proximal end in ring portion 6.Understandable to be, through-hole 7 corresponds to the upstream space setting for channel 4 of speaking.
In addition, 11 outer surface of first shell is with reference to the sealing element that covers the through-hole 7 is fixed with, specifically, the sealing Part can be PET sheet 8.
The present embodiment loud speaker module is in the ring portion 6 close to the corresponding to the part (i.e. proximal end) for going out acoustic aperture 3 The vertical through-hole 7 for running through 11 surfaces externally and internally of first shell is opened up on one housing 11 so that tend to be frivolous in loud speaker module design Under conditions of, 4 space of channel of speaking near the ring portion 6 of vibrating diaphragm 5 is increased, and then improve the up-down vibration of vibrating diaphragm 5 The sound that vibrating diaphragm 5 generates is made more smoothly to be radiated the external world while amplitude, optimizes the acoustical behavior of loud speaker module;Logical PET sheet 8 is covered on hole 7 and effectively prevents the air-tightness that ensure that channel 4 of speaking while liquid enters, is advanced optimized The acoustical behavior of loud speaker module so that the sound quality of loud speaker is more preferable.
In the present invention, the position of the through-hole 7 is not further limited, as long as meeting the corresponding folding in first shell The position of ring portion 6, certainly, for the effect being optimal, preferably in the position corresponding to proximal end.It is it is furthermore preferred that logical Hole 7 be located at ring portion 6 close to the surface for the part (i.e. proximal end) for going out acoustic aperture 3, further to increase ring portion top 4 space of channel of speaking, improve loud speaker module acoustical behavior.
In order to realize the lightening development of loud speaker module, the first shell 11 includes corresponding with loudspeaker monomer Hollow-out parts are equipped with the steel disc 9 with 11 integrated injection molding of first shell at the hollow-out parts;At least a side of the steel disc 9 Along extend to ring portion 6 close to the outside for the part (i.e. proximal end) for going out acoustic aperture 3, and the through-hole 7 is leaned on positioned at ring portion 6 Closely go out on 9 edge of steel disc corresponding to the part of acoustic aperture 3.That is, the loudspeaker monomer position corresponding to first shell 11 Material substituted by steel disc 9, the steel disc 9 and 11 integrated injection molding of first shell, compared with the material of procapsid, steel disc exists It can reach required intensity during thinner thickness, therefore, which can reduce the thickness of loud speaker module or in loud speaker mould 4 space of channel of speaking of loud speaker can be increased in the case that group thickness is certain, so as to further improve loud speaker module Acoustical behavior.
The number of through-hole 7 described in the above embodiment of the present invention can be multiple (as shown in Figure 4) or one, it is described lead to The horizontal cross sectional geometry in hole 7 can be with diamond shape (as shown in Figure 4), rectangle, square, circle, ellipse etc..The present invention is not right The number and shape of the through-hole 7 are limited, and those skilled in the art can be designed according to actual conditions.
In specific embodiment of the present invention, the thickness of the PET sheet 8 is not specifically limited;In order to ensure loud speaker Module it is lightening, the 8 preferred thickness of PET sheet be less than 0.1mm;The PET sheet 8 and 11 outer surface of first shell it Between any mode may be used combine and fix, preferably pass through between 11 outer surface of the PET sheet 8 and first shell and heat pressing Mode seal fixation, avoid using bonding agent bonding when generate adhesive layer, so as to avoid between PET sheet 8 and first shell 11 Gap is generated, when through-hole 7 has gas shock, PET sheet 8 is not susceptible to attach or the elastic deformation far from first shell 11, prevents The area for having stopped PET sheet 8 changes, and so as to improve the acoustical behavior of loud speaker module, improves loud speaker acoustical behavior Consistency.Simultaneously using connection mode jail of the connection mode of hot melt pressing than gluing between PET sheet 8 and first shell 11 Gu can avoid in transit, after fall-down test or carry out hot and humid environment test after, because bonding agent bonding force decline occur The phenomenon that tilting of PET sheet 8 comes off.
The structure of loud speaker module of the present invention is merely to illustrate that the technical program, is not covered by the technical program Applicable loud speaker modular structure;Heretofore described module shell 1, which includes at least, is fixed together to form cavity the One housing 11 and second shell 12 can include two housing sections, i.e. module upper casing and module lower casing;It can also include three parts Shell and module lower casing in housing, i.e. module upper casing, module;On the side wall of heretofore described first shell 11 and second shell 12 The corresponding notch for offering mutual cooperation, the notch of mutual cooperation formed it is described go out acoustic aperture 3;During implementation, it can also be set to In on any one housing;The vibrating diaphragm 5 of present embodiment is rectangle vibrating diaphragm;The ring portion 6 include long axis while and during short axle;Institute State ring portion 6 close to go out acoustic aperture 3 part be ring portion 6 short axle side;The through-hole 7 is located at the close of ring portion 6 and speaks The surface on the side short axle side in hole 3.During implementation, or the vibrating diaphragm of other shapes.Above description is it is to be understood that originally Being applicable in for technical solution, is not limited to the quantity of module shell 1, is not limited to out the specific location of the setting of acoustic aperture 3, is not limited to vibrating diaphragm 5 The factors such as shape, as long as disclosure satisfy that the ring portion 6 in the first shell 11 corresponding to the part for going out acoustic aperture 3 Include the through-hole 7 of perforation 11 surfaces externally and internally of first shell, 11 outer surface of first shell is with reference to described in being fixed with covering The PET sheet 8 of through-hole 7, remaining factor do not influence the implementation of the technical program, nor affect on the realization of this technology effect.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention for those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair The obvious changes or variations that bright technical solution is extended out are still in the row of protection scope of the present invention.

Claims (10)

1. a kind of loud speaker module, including the module shell with cavity and the loudspeaker monomer being contained in the cavity, The cavity is divided into ante-chamber and back cavity by the loudspeaker monomer;Connection ante-chamber is offered on the side wall of the module shell Go out acoustic aperture;The module shell includes at least the first shell and second shell for being fixed together and forming cavity;It is described to raise Sound device monomer includes vibrating diaphragm, and the vibrating diaphragm is included to the ring portion bent close to the direction of the first shell, which is characterized in that
Position corresponding with the ring portion is provided with vertically through the first shell surfaces externally and internally in the first shell Through-hole, the first shell outer surface cover the sealing element of the through-hole with reference to being fixed with.
2. loud speaker module according to claim 1, which is characterized in that the ring portion includes going out acoustic aperture described in Proximal end and the distal end for going out acoustic aperture far from described in;The through-hole is corresponded to positioned at the surface of the proximal end.
3. loud speaker module according to claim 1, which is characterized in that the loud speaker module further include connection it is described before Chamber and it is described go out acoustic aperture channel of speaking;The channel of speaking includes the upstream space of loudspeaker monomer and connection described in face The upstream space with it is described go out acoustic aperture side channels;The through-hole corresponds to the upstream space setting of the channel of speaking.
4. loud speaker module according to claim 1, which is characterized in that the first shell includes and loudspeaker monomer Corresponding hollow-out parts are equipped with the steel disc with first shell integrated injection molding at the hollow-out parts;At least side of the steel disc Edge extends to the outside of the proximal end in the ring portion, and the through-hole be located at on the steel disc edge corresponding to proximal end.
5. loud speaker module according to claim 1, which is characterized in that the through-hole is one or more.
6. loud speaker module according to claim 1, which is characterized in that the sealing element is PET sheet.
7. loud speaker module according to claim 6, which is characterized in that the thickness of the PET sheet is less than 0.1mm.
8. loud speaker module according to claim 6, which is characterized in that the PET sheet and table on the outside of the first shell Between face fixation is sealed by way of heating and pressing.
9. loud speaker module according to claim 1, which is characterized in that on the side wall of the first shell and second shell The corresponding notch for offering mutual cooperation, the notch of mutual cooperation formed it is described go out acoustic aperture.
10. loud speaker module according to claim 2, which is characterized in that the vibrating diaphragm is rectangle vibrating diaphragm;The ring portion Including long axis while and during short axle;The proximal end in the ring portion is the short axle side in ring portion.
CN201810085780.2A 2018-01-29 2018-01-29 A kind of loud speaker module Pending CN108235197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810085780.2A CN108235197A (en) 2018-01-29 2018-01-29 A kind of loud speaker module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810085780.2A CN108235197A (en) 2018-01-29 2018-01-29 A kind of loud speaker module

Publications (1)

Publication Number Publication Date
CN108235197A true CN108235197A (en) 2018-06-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110933563A (en) * 2019-11-22 2020-03-27 歌尔股份有限公司 Sound generating device module and electronic product
CN111124039A (en) * 2018-11-01 2020-05-08 北京小米移动软件有限公司 Terminal device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202488692U (en) * 2012-02-22 2012-10-10 歌尔声学股份有限公司 Loudspeaker module
CN203912126U (en) * 2014-06-25 2014-10-29 歌尔声学股份有限公司 Loudspeaker module
CN204350291U (en) * 2015-02-03 2015-05-20 歌尔声学股份有限公司 Loud speaker module
CN104754454A (en) * 2015-03-25 2015-07-01 歌尔声学股份有限公司 Loudspeaker module
CN204442667U (en) * 2015-03-02 2015-07-01 歌尔声学股份有限公司 Speak loud speaker module in side
US20150341727A1 (en) * 2014-05-20 2015-11-26 Kabushiki Kaisha Audio-Technica Electrodynamic electroacoustic transducer, diaphragm thereof, and method of manufacturing the same
CN107396266A (en) * 2017-08-29 2017-11-24 瑞声声学科技(深圳)有限公司 Loudspeaker module

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202488692U (en) * 2012-02-22 2012-10-10 歌尔声学股份有限公司 Loudspeaker module
US20150341727A1 (en) * 2014-05-20 2015-11-26 Kabushiki Kaisha Audio-Technica Electrodynamic electroacoustic transducer, diaphragm thereof, and method of manufacturing the same
CN203912126U (en) * 2014-06-25 2014-10-29 歌尔声学股份有限公司 Loudspeaker module
CN204350291U (en) * 2015-02-03 2015-05-20 歌尔声学股份有限公司 Loud speaker module
CN204442667U (en) * 2015-03-02 2015-07-01 歌尔声学股份有限公司 Speak loud speaker module in side
CN104754454A (en) * 2015-03-25 2015-07-01 歌尔声学股份有限公司 Loudspeaker module
CN107396266A (en) * 2017-08-29 2017-11-24 瑞声声学科技(深圳)有限公司 Loudspeaker module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111124039A (en) * 2018-11-01 2020-05-08 北京小米移动软件有限公司 Terminal device
CN110933563A (en) * 2019-11-22 2020-03-27 歌尔股份有限公司 Sound generating device module and electronic product
CN110933563B (en) * 2019-11-22 2021-02-19 歌尔股份有限公司 Sound generating device module and electronic product

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