CN203851284U - Loudspeaker module group and electronic device comprising same - Google Patents

Loudspeaker module group and electronic device comprising same Download PDF

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Publication number
CN203851284U
CN203851284U CN201320863902.9U CN201320863902U CN203851284U CN 203851284 U CN203851284 U CN 203851284U CN 201320863902 U CN201320863902 U CN 201320863902U CN 203851284 U CN203851284 U CN 203851284U
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China
Prior art keywords
module
operatic tunes
loud speaker
module casing
bullet pad
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CN201320863902.9U
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Chinese (zh)
Inventor
戴志干
伍迪
李卉昱
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Goertek Inc
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Goertek Inc
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Abstract

The utility model discloses a loudspeaker module group which comprises a loudspeaker cell and a module group housing. A front sound cavity and a rear sound cavity are formed between the module group housing and the loudspeaker cell. The upper and lower ends of the front and rear sound cavities are respectively in an opening structure. The upper and lower end faces of the module group housing are respectively combined with an element of a terminal electronic device in a sealed manner through a sealing elastic pad, thereby enabling the upper and lower end faces of the front and rear sound cavities to be sealed. The application also discloses an electronic device comprising the above loudspeaker module group. The upper and lower surfaces of the module group housing are respectively combined with a circuit board of the device or the housing of the device in a sealed manner. The module group housing is combined with the circuit board and the housing of the device in a sealed manner through a sealing elastic pad. The above structure makes the most of the spaces of the loudspeaker module group and the electronic device, improves the internal space of the loudspeaker module group, and increases the size of the loudspeaker cell and the sizes of the sound cavities, thereby improving the acoustic performance of a product.

Description

Loud speaker module and the electronic installation that comprises this loud speaker module thereof
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loud speaker module and the electronic installation that comprises this loud speaker module thereof.
Background technology
Now, consumer is to day by day slimming of the requirement of portable electron device, and the electronic component of electronic installation inside is slimming increasingly also.Wherein, loudspeaker monomer is as important acoustic element also slimming increasingly, and loud speaker comprises the vibrating diaphragm for radiation sound, and because the sound phase phasic difference 180 of vibrating diaphragm front side and rear side radiation is spent, therefore, the front operatic tunes and the rear operatic tunes should be the structure of space.For fear of loudspeaker monomer be directly installed in electronic installation, produce such as the front operatic tunes and the rear operatic tunes defect interval completely, conventionally in advance loudspeaker monomer is arranged at and in a peripheral frame, forms a loud speaker module, form the rear operatic tunes of sealing and the front operatic tunes being only communicated with phonate hole, and then be installed in electronic installation.
But due to the slimming increasingly of electronic installation, the thickness of loud speaker module is also subject to strict restriction, therefore the size of loudspeaker monomer, operatic tunes size are also subject to great restriction, have affected acoustical behavior and the power output of loud speaker module.Between the loud speaker module of traditional structure and electronic installation, be simple locational installation and the realization that is electrically connected in addition, do not utilize fully the space of electronic installation inside.Therefore, be necessary loud speaker module and the electronic installation of this traditional structure to improve, to take into account slimming and the acoustical behavior of product.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of loud speaker module and electronic installation thereof, can make full use of the inner space of loud speaker module and electronic installation, increase the operatic tunes size of loud speaker module and the size of loudspeaker monomer, thereby improve the acoustical behavior of product.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of loud speaker module, comprise loudspeaker monomer and accommodate the module casing of fixing described loudspeaker monomer, described module casing is provided with phonate hole, wherein, described module casing is provided with the resettlement section of accommodating described loudspeaker monomer, forms the front operatic tunes and the rear operatic tunes between described module casing and described loudspeaker monomer, and the top and bottom of the described front operatic tunes, the described rear operatic tunes are open structure; On the upper surface of described module casing and lower surface, be equipped with sealing bullet pad, the upper surface of described module casing and lower surface all, by the element sealing combination of described sealing bullet pad and terminal electronics, make the upper surface of the described front operatic tunes and the rear operatic tunes and lower surface all sealed.
In addition, preferably scheme is, the phonate hole of described loud speaker module is positioned on the sidewall of module casing, and the described front operatic tunes is communicated with described phonate hole.
In addition, preferably scheme is, described loudspeaker monomer involving vibrations system and magnetic circuit system, and described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm one side; Described magnetic circuit system forms the magnetic gap of accommodating fixing described voice coil loudspeaker voice coil, and described magnetic circuit system comprises washer, magnet and the basin frame of combination successively; Between described basin frame edge and described module casing, be provided with the monomer sound hole of radiation sound; The space of the corresponding described vibrating diaphragm of loud speaker module front side forms the described rear operatic tunes, and the space of the corresponding described vibrating diaphragm rear side of loud speaker module forms the described front operatic tunes.
In addition, preferred scheme is that arbitrary described sealing bullet pad is equipped with two connected closed loop configuration; The operatic tunes forming between described module casing upper surface and described electronic installation is divided into two parts by described sealing bullet pad; The operatic tunes forming between described module casing lower surface and described electronic installation is divided into two parts by described sealing bullet pad.
In addition, preferably scheme is, the upside of described module casing is separated to form the part-structure of the front operatic tunes and the rear operatic tunes by described sealing bullet pad, and the downside of described module casing is separated to form the part-structure of the front operatic tunes and the rear operatic tunes by described sealing bullet pad; The front operatic tunes part of described module casing upside and the front operatic tunes part of described module casing downside are connected; The rear operatic tunes part of described module casing upside and the rear operatic tunes part of described module casing downside are connected.
In addition, preferred scheme is that described sealing bullet pad is foam, passes through the mode secure bond of bonding between described sealing bullet pad and described module casing, described electronic installation.
In addition, preferably scheme is, described sealing bullet pad is the one in TPU, TPE or silica gel, and described bullet pad and described module casing injection moulding are combined as a whole.
In addition, preferred scheme is that the quantity of described phonate hole is two, is positioned at the same side of the sidewall of described module casing.
A kind of electronic installation, wherein, comprise above-mentioned loud speaker module, described electronic installation comprises wiring board and device case, the upper surface of described module casing and lower surface seal combination with wiring board or the device case of electronic installation respectively, and described module casing and described wiring board, described device case are all by sealing bullet pad sealing combination.
Preferably, the phonate hole of described device case is positioned at side, and the phonate hole of device case is connected with the phonate hole of loud speaker module.
Adopt after technique scheme, compared with traditional structure, the front operatic tunes of the utility model loud speaker module and the upside of the rear operatic tunes and downside are open structure, save the thickness of conventional loudspeakers module roof and diapire, seal upper surface and the lower surface of the front operatic tunes and the rear operatic tunes with the shell in the electronic installation of terminal and wiring board, to replace the effect of conventional loudspeakers module roof and diapire.This structure has been utilized the space of loud speaker module and electronic installation fully, has improved the inner space of loud speaker module, increases the size of loudspeaker monomer and the size of the operatic tunes, thereby has improved the acoustical behavior of product.
Brief description of the drawings
By below in conjunction with accompanying drawing, the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the stereo decomposing structural representation of the utility model loud speaker module;
Fig. 2 is the perspective view one of the utility model loud speaker module;
Fig. 3 is the perspective view two of the utility model loud speaker module;
Fig. 4 is the cross-sectional view of the utility model loud speaker module;
Fig. 5 is the part-structure schematic diagram of the utility model electronic installation;
Fig. 6 is the cross-sectional view of the utility model electronic installation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
As shown in Figures 1 to 4, loud speaker module comprises loudspeaker monomer 2 and accommodates the module casing 1 of fixing loudspeaker monomer 2, the shell of the present embodiment loud speaker module only has one, the center of this module casing 1 is provided with the resettlement section 10 of running through module casing 1, and loudspeaker monomer 2 is accommodated in resettlement section 10.The phonate hole of loud speaker module is positioned at side, the present embodiment loud speaker module has two phonate holes: phonate hole 13 and phonate hole 14, two phonate holes are all positioned on the same side of sidewall of module casing 1, the sound that loudspeaker monomer 2 sends is radiated the external world by phonate hole 13 and phonate hole 14, the swept area that two phonate holes are conducive to increase sound is set, improves the high frequency performance of loud speaker module.The common front operatic tunes and the rear operatic tunes that forms loud speaker module between the shell of traditional structure loud speaker module and loudspeaker monomer, wherein, the operatic tunes seals, the front operatic tunes is connected with the phonate hole of loud speaker module, and the sound of loudspeaker monomer radiation is in communication with the outside by phonate hole.The utility model loud speaker module only comprises a module casing 1, module casing 1 is accommodated the front operatic tunes of loudspeaker monomer 2 rear formation, the rear operatic tunes is the structure that top and bottom are all opened, and the both sides up and down of the present embodiment loudspeaker monomer are all exposed to module casing 1.The upper surface of module casing 1 and lower surface are to seal combination with the element of terminal electronics, by realizing upper surface to the front operatic tunes and the rear operatic tunes and the sealing of lower surface with the combination of electronic installation, after the upper surface of the front operatic tunes and the rear operatic tunes and lower surface sealing, the rear operatic tunes is the structure of sealing, and the front operatic tunes is connected with the phonate hole of side.
As shown in Figure 1 and Figure 4, the present embodiment, loudspeaker monomer 2 involving vibrations system and magnetic circuit systems, wherein, vibrational system comprises vibrating diaphragm 21 and is incorporated into the voice coil loudspeaker voice coil 22 of vibrating diaphragm 21 downsides; Magnetic circuit system comprises washer 23, magnet 24 and the basin frame 25 of combination successively, and magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil 22.The present embodiment magnetic circuit system is two magnetic route structure, comprises the center magnetic path that is positioned at center and the limit magnetic circuit that is positioned at marginal position, forms the magnetic gap of accommodating voice coil loudspeaker voice coil 22, as shown in Figure 4 between center magnetic path and limit magnetic circuit.The electrical connector 20 that also comprises electrical connection voice coil loudspeaker voice coil 22 and terminal electronics, as shown in Figure 1, voice coil loudspeaker voice coil 22 is connected after the signal of telecommunication by electrical connector 20, and stressed up-down vibration in the magnetic gap forming at magnetic circuit system, further drives vibrating diaphragm 21 generation of vibration sound.
Definition vibrating diaphragm 21 front sides are the side of vibrating diaphragm 21 away from voice coil loudspeaker voice coil 22, definition vibrating diaphragm 21 rear sides are the side of vibrating diaphragm 21 near voice coil loudspeaker voice coil 22, in the present embodiment, the space of vibrating diaphragm 21 front sides forms the rear operatic tunes of loud speaker module, and the space of vibrating diaphragm 21 rear sides forms the front operatic tunes of loud speaker module.As shown in Figures 2 and 3, between the edge of basin frame 25 and module casing 1, there is the gap out of acoustic radiating that makes vibrating diaphragm 21 rear sides, this gap is the sound hole 250 of loudspeaker monomer, sound is transferred to phonate hole 13 and phonate hole 14 through the perforate 11 on module casing 1 and perforate 12 from sound hole 250 radiates, and is radiated the external world from phonate hole 13 and phonate hole 14.The loud speaker modular structure less for vibrating diaphragm 21 front spaces can adopt said structure, to prevent that vibrating diaphragm 21 from colliding other structures, and adopts this structure can reduce the resonance of the front operatic tunes, improves high frequency sound effect.
Wherein, between module casing 1 and electronic installation, padding existing sealing by sealing bullet is combined, the present embodiment, be provided with sealing bullet pad 31 at the upper surface of module casing 1, the lower surface of module casing 1 is provided with sealing bullet pad 32, one side and module casing 1 secure bond of sealing bullet pad 31 and sealing bullet pad 32, the element secure bond in opposite side and electronic installation.Preferably, sealing bullet pad 31 and sealing bullet pad 32 are foam material, and foam has good elasticity, be convenient to the sealing between two parts, and cost performance is higher.Between the sealing bullet pad 31 of foam material, sealing bullet pad 32 and module casing 1, electronic installation, seal combination by the mode boning.
In addition, sealing bullet pad 31 and sealing bullet pad 32 also can adopt the one in TPU, TPE or silica gel material, and these materials have good elasticity, can make module casing 1 and electronic installation sealing combination; In addition, above-mentioned material can, with module casing 1 by the mode secure bond of injection moulding, can save labour turnover, and accuracy be high.
The front operatic tunes of the utility model and the rear operatic tunes are the open structure in upper end, this structure has saved the roof of upside and the thickness of downside diapire of conventional loudspeakers module, in the situation that loud speaker module Outside Dimensions is certain, increase the inner space of loud speaker module, be conducive to increase the size of the operatic tunes and the size of loudspeaker monomer 2, thereby be conducive to improve the acoustical behavior of product.The front operatic tunes and the rear operatic tunes seal the structure of combination by terminal electronics, the front operatic tunes of loud speaker module and the rear operatic tunes are sealed, and can ensure the normal work of loud speaker module.
The phonate hole 13 of the present embodiment loud speaker module and phonate hole 14 are communicated with vibrating diaphragm 21 rear sides, in conjunction with the concrete structure of loud speaker module internal, the sound wave giving off from monomer sound hole 250 need to could be communicated with phonate hole 13, phonate hole 14 through perforate 11 and perforate 12.In conjunction with this structure, sealing bullet pad 31 all comprises two closed annular structures that are connected with sealing bullet pad 32, arbitrary sealing bullet pad can be divided into two cavitys by sealing bullet pad after being combined with module casing 1, electronic installation, the connection corresponding to the cavity of downside of the cavity of upside, the front operatic tunes and the rear operatic tunes of formation loud speaker module.The present embodiment, loud speaker mould splits is divided into front operatic tunes II and rear operatic tunes I by sealing bullet pad 31, as shown in Figure 3; Loud speaker mould splits is divided into front operatic tunes II and rear operatic tunes I by sealing bullet pad 32, as shown in Figure 2.The rear operatic tunes I that the rear operatic tunes I that sealed bullet pad 31 is separated is separated to form with sealed bullet pad 32 is communicated with, the present embodiment be by vibrating diaphragm 21 sides run through module casing 1 perforate be communicated with, this structure that through hole is set on module casing 1 is conducive to increase the rear operatic tunes of loud speaker module, thereby can improve the low frequency performance of product.The front operatic tunes II that the front operatic tunes II that sealed bullet pad 32 is separated to form is separated to form with sealed bullet pad 31 is communicated with, and the present embodiment is communicated with by perforate 11 and perforate 12, and the other end of front operatic tunes II is communicated with phonate hole 13 and phonate hole 14.Loud speaker module arranges two phonate holes: the structure of phonate hole 13 and phonate hole 14 is convenient to the acoustic radiating of vibrating diaphragm generation to extraneous, is conducive to improve the acoustical behavior of product high frequency.
As shown in Figure 5 and Figure 6, the front operatic tunes that loud speaker module forms and the rear operatic tunes are all open structures, the surface of module casing 1 by with electronic installation sealing in conjunction with the sealing that realizes the front operatic tunes and the rear operatic tunes.Wherein, electronic installation (as mobile phone, pad etc.) comprises device case 4 and wiring board 5, device case 4 seals combination with the upside of module casing 1 by sealing bullet pad 31, wiring board 5 seals combination with the downside of module casing 1 by sealing bullet pad 32, after device case 4, wiring board 5 are combined by sealing bullet pad with module casing 1, the rear operatic tunes of loud speaker module is the structure of sealing, and the front operatic tunes is only in communication with the outside by phonate hole 13, phonate hole 14.In addition, the phonate hole 13 of loud speaker module, the side that phonate hole 14 is positioned at loud speaker module, as shown in Figure 3, phonate hole 13 and phonate hole 14 are all communicated with the phonate hole 40 of device case 4 sides, the sound that loudspeaker monomer 2 produces is in communication with the outside by phonate hole 40 after by phonate hole 13 and phonate hole 14, (Fig. 6 only illustrates the structure of phonate hole 13) as shown in Figure 6.The present embodiment wiring board 5 is planar structure with the part of module casing 1 combination, and device case 4 is the nonplanar structure that corresponding module casing 1 arranges with the part of module casing 1 combination.
In addition, the element of electronic installation inside is not limited to shell and wiring board, can be also screen or inner other elements etc., as long as the operatic tunes that can seal loud speaker module is all in the utility model protection range.
The front operatic tunes of the utility model loud speaker module and the upside of the rear operatic tunes and downside are open structure, save the thickness of conventional loudspeakers module roof and diapire, seal upper surface and the lower surface of the front operatic tunes and the rear operatic tunes with the shell in the electronic installation of terminal and wiring board, to replace the effect of conventional loudspeakers module roof and diapire.This structure has been utilized the space of loud speaker module and electronic installation fully, has improved the inner space of loud speaker module, increases the size of loudspeaker monomer and the size of the operatic tunes, thereby has improved the acoustical behavior of product.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out other improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. a loud speaker module, comprises loudspeaker monomer and accommodates the module casing of fixing described loudspeaker monomer, described module casing is provided with phonate hole, it is characterized in that,
Described module casing is provided with the resettlement section of accommodating described loudspeaker monomer, forms the front operatic tunes and the rear operatic tunes between described module casing and described loudspeaker monomer, and the top and bottom of the described front operatic tunes, the described rear operatic tunes are open structure;
On the upper surface of described module casing and lower surface, be equipped with sealing bullet pad, the upper surface of described module casing and lower surface all, by the element sealing combination of described sealing bullet pad and terminal electronics, make the upper surface of the described front operatic tunes and the rear operatic tunes and lower surface all sealed.
2. loud speaker module according to claim 1, is characterized in that, the phonate hole of described loud speaker module is positioned on the sidewall of module casing, and the described front operatic tunes is communicated with described phonate hole.
3. loud speaker module according to claim 1, is characterized in that, described loudspeaker monomer involving vibrations system and magnetic circuit system, and described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm one side; Described magnetic circuit system forms the magnetic gap of accommodating fixing described voice coil loudspeaker voice coil, and described magnetic circuit system comprises washer, magnet and the basin frame of combination successively;
Between described basin frame edge and described module casing, be provided with the monomer sound hole of radiation sound;
The space of the corresponding described vibrating diaphragm of loud speaker module front side forms the described rear operatic tunes, and the space of the corresponding described vibrating diaphragm rear side of loud speaker module forms the described front operatic tunes.
4. loud speaker module according to claim 3, is characterized in that, arbitrary described sealing bullet pad is equipped with two connected closed loop configuration; The operatic tunes forming between described module casing upper surface and described electronic installation is divided into two parts by described sealing bullet pad; The operatic tunes forming between described module casing lower surface and described electronic installation is divided into two parts by described sealing bullet pad.
5. loud speaker module according to claim 4, it is characterized in that, the upside of described module casing is separated to form the part-structure of the front operatic tunes and the rear operatic tunes by described sealing bullet pad, the downside of described module casing is separated to form the part-structure of the front operatic tunes and the rear operatic tunes by described sealing bullet pad;
The front operatic tunes part of described module casing upside and the front operatic tunes part of described module casing downside are connected; The rear operatic tunes part of described module casing upside and the rear operatic tunes part of described module casing downside are connected.
6. according to the loud speaker module described in the arbitrary claim of claim 1 to 5, it is characterized in that, described sealing bullet pad is foam, passes through the mode secure bond of bonding between described sealing bullet pad and described module casing, described electronic installation.
7. according to the loud speaker module described in the arbitrary claim of claim 1 to 5, it is characterized in that, described sealing bullet pad is the one in TPU, TPE or silica gel, and described bullet pad and described module casing injection moulding are combined as a whole.
8. loud speaker module according to claim 1 and 2, is characterized in that, the quantity of described phonate hole is two, is positioned at the same side of the sidewall of described module casing.
9. an electronic installation, it is characterized in that, comprise the loud speaker module described in the arbitrary claim of claim 1 to 8, described electronic installation comprises wiring board and device case, the upper surface of described module casing and lower surface seal combination with wiring board or the device case of electronic installation respectively, and described module casing and described wiring board, described device case are all by sealing bullet pad sealing combination.
10. electronic installation according to claim 9, is characterized in that, the phonate hole of described device case is positioned at side, and the phonate hole of device case is connected with the phonate hole of loud speaker module.
CN201320863902.9U 2013-12-25 2013-12-25 Loudspeaker module group and electronic device comprising same Active CN203851284U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104768088A (en) * 2015-03-18 2015-07-08 歌尔声学股份有限公司 Loudspeaker module and electronic product
CN103747398B (en) * 2013-12-25 2017-05-17 歌尔股份有限公司 Loudspeaker module and electronic device comprising the loudspeaker module
CN106792398A (en) * 2017-02-28 2017-05-31 上海传英信息技术有限公司 The speaker chamber structure and the loudspeaker with the cavity of a kind of mobile terminal
CN109218940A (en) * 2018-08-29 2019-01-15 维沃移动通信有限公司 A kind of terminal
CN111885238A (en) * 2020-07-29 2020-11-03 维沃移动通信有限公司 Electronic device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103747398B (en) * 2013-12-25 2017-05-17 歌尔股份有限公司 Loudspeaker module and electronic device comprising the loudspeaker module
US9883266B2 (en) 2013-12-25 2018-01-30 Goertek Inc. Loudspeaker module and electronic device comprising the loudspeaker module
CN104768088A (en) * 2015-03-18 2015-07-08 歌尔声学股份有限公司 Loudspeaker module and electronic product
WO2016145906A1 (en) * 2015-03-18 2016-09-22 歌尔声学股份有限公司 Loudspeaker module and electronic product
US10334353B2 (en) 2015-03-18 2019-06-25 Goertek Inc. Loudspeaker module and electronic product
CN106792398A (en) * 2017-02-28 2017-05-31 上海传英信息技术有限公司 The speaker chamber structure and the loudspeaker with the cavity of a kind of mobile terminal
CN109218940A (en) * 2018-08-29 2019-01-15 维沃移动通信有限公司 A kind of terminal
CN111885238A (en) * 2020-07-29 2020-11-03 维沃移动通信有限公司 Electronic device

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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.