CN203618117U - Loudspeaker module - Google Patents

Loudspeaker module Download PDF

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Publication number
CN203618117U
CN203618117U CN201320815815.6U CN201320815815U CN203618117U CN 203618117 U CN203618117 U CN 203618117U CN 201320815815 U CN201320815815 U CN 201320815815U CN 203618117 U CN203618117 U CN 203618117U
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CN
China
Prior art keywords
shell
housing
loudspeaker
monomer
loud speaker
Prior art date
Application number
CN201320815815.6U
Other languages
Chinese (zh)
Inventor
张军
张成飞
Original Assignee
歌尔声学股份有限公司
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 歌尔声学股份有限公司 filed Critical 歌尔声学股份有限公司
Priority to CN201320815815.6U priority Critical patent/CN203618117U/en
Application granted granted Critical
Publication of CN203618117U publication Critical patent/CN203618117U/en

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Abstract

The utility model discloses a loudspeaker module and relates to the technical field of electro-acoustic products. The loudspeaker module comprises a housing, wherein a loudspeaker single body is accommodated in the housing. The loudspeaker single body is obliquely disposed in the housing. A part of the loudspeaker single body is exposed to the outside of the housing but the loudspeaker single body does not project from an outer surface of the housing. The loudspeaker single body and the housing are sealed through colloid therebetween. The loudspeaker module solves a technical problem of large thickness in loudspeakers in the prior art. The loudspeaker module is small in thickness, simple and convenient in assembly process, and high in acoustic performance.

Description

Loud speaker module
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loud speaker module.
Background technology
Loud speaker module is the important acoustic element of portable electric appts, it comprises shell, in shell, contain loudspeaker monomer, loudspeaker monomer is divided into whole module inner chamber the front operatic tunes and the rear operatic tunes of mutual isolation, and the front operatic tunes is communicated with the phonate hole of loud speaker module.Want to guarantee that loud speaker module has good acoustical behavior, just need loud speaker module to there is the certain large front operatic tunes and rear operatic tunes, thereby can guarantee that vibrating diaphragm can not be subject to resistance in the time of vibration, make the inside and outside gas communication of module smooth and easy, this just needs module to have certain thickness.
But, along with portable electric appts constantly develops to slimming, the height space of leaving loud speaker module in electronic equipment for is also more and more less, in order to guarantee the acoustical behavior of loud speaker module, technical staff is exposed to the basin frame part entirety of loudspeaker monomer the outside of module shell, although this mode has reduced the height of module, but because the basin frame of loudspeaker monomer has magnetic conductivity, can with electronic equipment in other parts produce electromagnetic interference, affect normal work and the acoustical behavior of electronic equipment.
Also has at present a kind of technical scheme for reducing module height, adopt exactly integrated module design, vibrational system and magnetic circuit system are directly fixed on module shell, this kind of scheme makes the manufacturing process of module more complicated, increase the difficulty of module group assembling, thereby improved the production cost of module.
For above deficiency, those skilled in the art are obliquely installed the loudspeaker monomer in module, as shown in Figure 1, loudspeaker monomer 30 is inclined in the space that the first housing 10a and the second housing 20a surround, can in limited space, make like this sounding passage of module more smooth and easy, promote the acoustical behavior of module, still, along with the further slimming of electronic equipment, the loud speaker module of this kind of structure still cannot meet the demands.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of loud speaker module, and this loud speaker module thickness is little, can meet the requirement of slimization of electronic equipment, and not can with electronic equipment in other parts produce electromagnetic interference, acoustical behavior is good.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loud speaker module, comprise shell, in described shell, contain loudspeaker monomer, described loudspeaker monomer is in the tilted setting of described shell, the part of described loudspeaker monomer is exposed to the outside of described shell, described loudspeaker monomer does not protrude the outer surface of described shell, between described loudspeaker monomer and described shell, seals by colloid.
Wherein, described loudspeaker monomer comprises monomer shell, in described monomer shell, contains vibrational system and magnetic circuit system, and the part of described magnetic circuit system is exposed to the outside of described shell.
Wherein, described magnetic circuit system comprises the basin frame being fixed on described monomer shell, on described basin frame, is provided with successively magnet and washer, and the base section of described basin frame is exposed to the outside of described shell.
Wherein, described shell comprises the first housing and the second housing that combine, and a side of described the second housing is provided with and lacks the portion that dodges that material forms, and described loudspeaker monomer is exposed to the outside of described shell from the described portion of dodging.
Wherein, dodge edge of portion and described second housing of the position that contacts with described loudspeaker monomer is provided with an inclined-plane described in being positioned at, the gradient on described inclined-plane and the gradient of described loudspeaker monomer are suitable.
Wherein, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and described vibrating diaphragm comprises that edge is fixed on the annular bending part on described monomer shell, and the middle part of described bending part is provided with ball top.
Wherein, two relative bights of described ball top are respectively equipped with a breach, are formed for the wire hole of described voice coil loudspeaker voice coil outlet between described breach and described bending part.
Adopted after technique scheme, the beneficial effects of the utility model are:
Because the loudspeaker monomer in the utility model loud speaker module is obliquely installed, the part of loudspeaker monomer is exposed to the outside of shell, and loudspeaker monomer does not protrude the outer surface of shell.Loudspeaker monomer part exposes, and compared with loud speaker module in background technology, has reduced the thickness of a side shell, thereby reduced the height of module on module height, can meet the requirement of slimization of electronic equipment.And the loudspeaker monomer in module just part exposes, compared with exposing with the monomer basin frame entirety in background technology not can with electronic equipment in other parts produce electromagnetic interference, improved the acoustical behavior of loud speaker module.
Because loudspeaker monomer comprises monomer shell, in monomer shell, contain vibrational system and magnetic circuit system, the utility model loud speaker module is not integrated module, therefore packaging technology is easy, assembling difficulty is low, product cost is low.
The position contacting with loudspeaker monomer due to the second housing is provided with an inclined-plane, and the gradient on inclined-plane and the gradient of loudspeaker monomer are suitable.Inclined-plane has increased the contact area of the second housing and loudspeaker monomer, has increased the firmness that loudspeaker monomer is combined with the second housing, has guaranteed the sealing of module, has promoted the acoustical behavior of module.
In sum, the utility model loud speaker module has solved the large technical problem of loud speaker module thickness in prior art.The utility model loud speaker module thickness is little, and packaging technology is easy, and acoustical behavior is high.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of loud speaker module in background technology;
Fig. 2 is the stereo decomposing structural representation of the utility model loud speaker module;
Fig. 3 is the constitutional diagram of Fig. 2;
Fig. 4 is cross-sectional view of the present utility model;
Fig. 5 is the front portion structure schematic diagram of loudspeaker monomer in the utility model loud speaker module;
Fig. 6 is the rear structure schematic diagram of loudspeaker monomer in the utility model loud speaker module;
In figure: 10a, the first housing, 10b, the first housing, 12, phonate hole, 20a, the second housing, 20b, the second housing, 22, dodge portion, 220, inclined-plane, 24, leak holes, 30, loudspeaker monomer, 32, monomer shell, 340, bending part, 342, ball top, 344, voice coil loudspeaker voice coil, 360, basin frame, 362, magnet, 364, washer, 38, wire hole, 40, damping screen, 50, colloid.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
As shown in Fig. 2, Fig. 3 and Fig. 4 are common, a kind of loud speaker module, comprises the first housing 10b and the second housing 20b that are together with each other, in the space that the first housing 10b and the second housing 20b surround, contains loudspeaker monomer 30.Between loudspeaker monomer 30 and the first housing 10b and the second housing 20b, surround the rear operatic tunes of module, between loudspeaker monomer 30 and the first housing 10b, surround the front operatic tunes of module, the front operatic tunes is connected with the phonate hole 12 of module, and phonate hole 12 is arranged on the first housing 10b.Loudspeaker monomer 30 is defined as the front portion of loudspeaker monomer 30 near a side of the front operatic tunes, loudspeaker monomer 30 is defined as the rear portion of loudspeaker monomer near a side of the rear operatic tunes.Loudspeaker monomer 30 arranges in the medium dip of module inner chamber, the second housing 20b is provided with respect to the position of loudspeaker monomer the portion that dodges 22 that material forms that lacks, dodge portion 22 and be positioned at a lateral edges position of the second housing 20b, dodge the part that portion 22 can make loudspeaker monomer 30 rear portions and be exposed to the second housing 20b outside, but loudspeaker monomer 30 does not protrude the outer surface of the second housing 20b, defining the surface that the second housing 20b is positioned at module inner side is inner surface, and the surface that is positioned at module outside is outer surface.Between loudspeaker monomer 30 and the first housing 10b and the second housing 20b, seal by colloid 50.
As shown in Fig. 4, Fig. 5 and Fig. 6 are common, loudspeaker monomer 30 comprises the monomer shell 32 of ring-type, contains vibrational system and magnetic circuit system in monomer shell 32.Magnetic circuit system comprises the basin frame 360 that is fixed on monomer shell 32 inner sides, basin frame 360 comprises bottom, the edge of basin frame 360 bottoms is provided with the sidewall perpendicular with bottom, on the bottom of basin frame 360, be fixed with successively magnet 362 and washer 364, between magnet 362 and washer 364 and the sidewall of basin frame 360, leave magnetic gap.Vibrational system comprises vibrating diaphragm, vibrating diaphragm comprises that edge is fixed on the annular bending part 340 on monomer shell 32 end faces, bending part 340 is provided with ball top 342 near the middle part of the front operatic tunes one side, and vibrating diaphragm is fixed with voice coil loudspeaker voice coil 344 near a side of magnetic circuit system, and the end of voice coil loudspeaker voice coil 344 is positioned at magnetic gap.Voice coil loudspeaker voice coil 344 does the motion of the reciprocating cutting magnetic line of force according to the size and Orientation of the alternating current by its coiling in magnetic gap, drives vibrating diaphragm to instigate air sounding, thereby completes the power conversion between electroacoustic.
As shown in Figure 5, two relative bights at ball top 342 are respectively equipped with a breach, and the inward flange of the breach at ball top 342 and bending part 340 is formed with wire hole 38, wire hole 38 for the lead-in wire of voice coil loudspeaker voice coil 344 through.
As shown in Fig. 3 and Fig. 4 are common, basin frame 360 parts of loudspeaker monomer 30 are exposed to the outside of the second housing 20b, and this kind of structure reduced the thickness of the second housing 20b on the thickness of module, effectively reduces the thickness of module.And 360 fractions of basin frame are exposed to the outside of the second housing 20b, not can with electronic equipment in other parts generation electromagnetic interference, promoted the acoustical behavior of loud speaker module.
As shown in Fig. 2 and Fig. 4 are common, the the second housing 20b that is positioned at the portion of dodging 22 and contact with the basin frame 360 of loudspeaker monomer 30 is provided with inclined-plane 220, the gradient on inclined-plane 220 is consistent with the gradient of loudspeaker monomer 30, can guarantee that like this inclined-plane 220 and basin frame 360 fit tightly, increase the contact area between the second housing 20b and loudspeaker monomer 30, strengthen the combination firmness between the second housing 20b and loud speaker list 30, guarantee the sealing of loud speaker module, promoted the acoustical behavior of loud speaker module.
As shown in Fig. 2 and Fig. 3 are common, the operatic tunes and extraneous leak holes 24 after a bight that is positioned at the second housing 20b is provided with and is communicated with, leak holes 24 is for balance module inner and outer air pressure, also has the function that heat that loudspeaker monomer 30 is produced distributes rapidly.One end that leak holes 24 is positioned at the second housing 20b outside is coated with damping screen 40.
The assembling process of the utility model loud speaker module is as follows:
S1, loudspeaker monomer 30 is tilted to be fixed on the first housing 10b inner side, the long limit, both sides of monomer shell 32 is pasted and is fixed with the first housing 10b;
S2, the second housing 20b is fastened on to the openend of the first housing 10b, and the first housing 10b and the second housing 20b are combined as a whole;
S3, gluing sealing between loudspeaker monomer 30 and the first housing 10b and the second housing 20b, completed the assembling procedure of the utility model loud speaker module.
From the above, the utility model loud speaker module exposes loudspeaker monomer part, effectively reduces the height of module, the in the situation that of insufficient space, promoted the acoustical behavior of module, and packaging technology is simple and easy to operate, has reduced the production cost of product.
In the utility model, the name of the first housing and the second housing, just in order to distinguish technical characterictic, does not represent the erection sequence between the two, job order and position relationship etc.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection range of the present utility model.

Claims (7)

1. loud speaker module, comprise shell, in described shell, contain loudspeaker monomer, described loudspeaker monomer is in the tilted setting of described shell, it is characterized in that, the part of described loudspeaker monomer is exposed to the outside of described shell, and described loudspeaker monomer does not protrude the outer surface of described shell, between described loudspeaker monomer and described shell, seals by colloid.
2. loud speaker module according to claim 1, is characterized in that, described loudspeaker monomer comprises monomer shell, in described monomer shell, contains vibrational system and magnetic circuit system, and the part of described magnetic circuit system is exposed to the outside of described shell.
3. loud speaker module according to claim 2, is characterized in that, described magnetic circuit system comprises the basin frame being fixed on described monomer shell, on described basin frame, is provided with successively magnet and washer, and the base section of described basin frame is exposed to the outside of described shell.
4. according to the loud speaker module described in claims 1 to 3 any one claim, it is characterized in that, described shell comprises the first housing and the second housing that combine, one side of described the second housing is provided with and lacks the portion that dodges that material forms, and described loudspeaker monomer is exposed to the outside of described shell from the described portion of dodging.
5. loud speaker module according to claim 4, it is characterized in that, described in being positioned at, dodge edge of portion and described second housing of the position that contacts with described loudspeaker monomer is provided with an inclined-plane, the gradient on described inclined-plane and the gradient of described loudspeaker monomer are suitable.
6. loud speaker module according to claim 2, is characterized in that, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and described vibrating diaphragm comprises that edge is fixed on the annular bending part on described monomer shell, and the middle part of described bending part is provided with ball top.
7. loud speaker module according to claim 6, is characterized in that, two relative bights of described ball top are respectively equipped with a breach, are formed for the wire hole of described voice coil loudspeaker voice coil outlet between described breach and described bending part.
CN201320815815.6U 2013-12-11 2013-12-11 Loudspeaker module CN203618117U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201320815815.6U CN203618117U (en) 2013-12-11 2013-12-11 Loudspeaker module

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CN203618117U true CN203618117U (en) 2014-05-28

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104540080A (en) * 2014-12-26 2015-04-22 歌尔声学股份有限公司 Loudspeaker module
CN104796817A (en) * 2015-05-06 2015-07-22 歌尔声学股份有限公司 Speaker module
CN105681980A (en) * 2015-12-31 2016-06-15 联想(北京)有限公司 Electronic output equipment
CN110166909A (en) * 2019-05-23 2019-08-23 潍坊歌尔电子有限公司 A kind of welding bell group and smartwatch
CN111246349A (en) * 2020-03-27 2020-06-05 歌尔股份有限公司 Sound generating device single body, sound generating device module and electronic terminal
WO2020125170A1 (en) * 2018-12-17 2020-06-25 瑞声声学科技(深圳)有限公司 Loudspeaker

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104540080A (en) * 2014-12-26 2015-04-22 歌尔声学股份有限公司 Loudspeaker module
US9998809B2 (en) 2014-12-26 2018-06-12 Goertek Inc. Loudspeaker module
CN104796817A (en) * 2015-05-06 2015-07-22 歌尔声学股份有限公司 Speaker module
CN104796817B (en) * 2015-05-06 2018-09-18 歌尔股份有限公司 Loud speaker module
US10219055B2 (en) 2015-05-06 2019-02-26 Goertek Inc. Loudspeaker module
CN105681980A (en) * 2015-12-31 2016-06-15 联想(北京)有限公司 Electronic output equipment
WO2020125170A1 (en) * 2018-12-17 2020-06-25 瑞声声学科技(深圳)有限公司 Loudspeaker
CN110166909A (en) * 2019-05-23 2019-08-23 潍坊歌尔电子有限公司 A kind of welding bell group and smartwatch
CN110166909B (en) * 2019-05-23 2020-10-20 潍坊歌尔电子有限公司 Loudspeaker module and intelligent wrist-watch
CN111246349A (en) * 2020-03-27 2020-06-05 歌尔股份有限公司 Sound generating device single body, sound generating device module and electronic terminal

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee after: Goertek Inc.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: Goertek Inc.