CN204442608U - A kind of loud speaker module - Google Patents
A kind of loud speaker module Download PDFInfo
- Publication number
- CN204442608U CN204442608U CN201520189121.5U CN201520189121U CN204442608U CN 204442608 U CN204442608 U CN 204442608U CN 201520189121 U CN201520189121 U CN 201520189121U CN 204442608 U CN204442608 U CN 204442608U
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- China
- Prior art keywords
- shaped recess
- arc
- recess portion
- loud speaker
- operatic tunes
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Abstract
The utility model provides a kind of loud speaker module, and cavity volume is divided into the front operatic tunes isolated from one another, the rear operatic tunes by described sounding monomer; Described shell is provided with the sound mouth of the operatic tunes before being communicated with, the position described shell being positioned at sound mouth is provided with the arc-shaped recess portion extended towards sounding monomer direction, the front operatic tunes, sound mouth are kept apart by described arc-shaped recess portion, and described arc-shaped recess portion is provided with the through hole of through front operatic tunes harmony mouth.Loud speaker module of the present utility model, by arc-shaped recess portion, effectively can reduce the imbalance of the vibrating diaphragm ball top areal pressure caused because sound mouth position is asymmetric, thus effectively can reduce the harmonic distortion because polarization causes.The through hole that arc-shaped recess portion offers, can keep the through of inside and outside air-flow.According to the distribution situation of ball top surface institute raying load, the size of the recessed shape of arc-shaped recess subordinate and through hole can be designed, homogeneous to ensure the load on its surface as far as possible.
Description
Technical field
The utility model relates to sound-producing device field, more specifically, relates to a kind of loud speaker module.
Background technology
Loud speaker is the important acoustic element in electronic equipment, and it is a kind of energy transducer signal of telecommunication being changed into acoustical signal.Existing loud speaker module, comprises shell, and arranges acoustical generator monomer in the enclosure, and the inner chamber of housing is divided into the front operatic tunes isolated from one another, the rear operatic tunes by this acoustical generator monomer.The front operatic tunes is communicated with the phonate hole of loud speaker module, and the rear operatic tunes is enclosed construction, is in communication with the outside by means of only damping hole.
Existing loud speaker module, in order to meet the structural design of total system, the position at sound mouth usually Bu center, and due to volume restriction, the limited space of the operatic tunes before loud speaker module, acoustic pressure is limited in narrow space, and this produces larger reaction force by vibrational system.This reaction force will cause the pressure imbalance being carried in region, vibrating diaphragm ball top.Thus, will the polarization of vibrational system be caused to aggravate, harmonic distortion increases, and especially shows low frequency region.Traditional solution is designed by the ring of vibrating diaphragm, increases and pull and support power, as possible the energy of polarization mode during reduction system generation polarization.But due to materials and process limitation, the method can only solve this problem to a certain extent.
Utility model content
An object of the present utility model is to provide a kind of loud speaker module.
According to an aspect of the present utility model, provide a kind of loud speaker module, comprise shell, and be positioned at the sounding monomer of shell cavity volume, cavity volume is divided into the front operatic tunes isolated from one another, the rear operatic tunes by described sounding monomer; Described shell is provided with the sound mouth of the operatic tunes before being communicated with, the position described shell being positioned at sound mouth is provided with the arc-shaped recess portion extended towards sounding monomer direction, the front operatic tunes, sound mouth are kept apart by described arc-shaped recess portion, and described arc-shaped recess portion is provided with the through hole of through front operatic tunes harmony mouth.
Preferably, described through hole is positioned at the center in arc-shaped recess portion.
Preferably, the position described shell being positioned at sound mouth is provided with outward extending flange.
Preferably, the termination of described flange is provided with the screen cloth of covering sound mouth.
Preferably, described flange and shell integrated injection molding.
Preferably, described arc-shaped recess portion is metal material.
Preferably, described arc-shaped recess portion is steel.
Preferably, together with described arc-shaped recess portion is injection-moulded in shell.
A technique effect of the present utility model is, loud speaker module of the present utility model, be provided with the arc-shaped recess portion extended towards direction, ball top, the effect of equalizer can be played by this arc-shaped recess portion, by this arc-shaped recess portion, effectively can reduce the imbalance of the vibrating diaphragm ball top areal pressure caused because sound mouth position is asymmetric, thus effectively can reduce the harmonic distortion because polarization causes.The through hole that arc-shaped recess portion offers, can keep the through of inside and outside air-flow.According to the distribution situation of ball top surface institute raying load, the size of the recessed shape of arc-shaped recess subordinate and through hole can be designed, homogeneous to ensure the load on its surface as far as possible.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
What form a part for specification drawings describes embodiment of the present utility model, and together with the description for explaining principle of the present utility model.
Fig. 1 is the structural representation of the utility model loud speaker module.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
The technology and equipment known for person of ordinary skill in the relevant may not discuss in detail, but in the appropriate case, described technology and equipment should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
With reference to figure 1, the utility model provides a kind of loud speaker module, comprises in housing and housing for holding the cavity volume of sounding monomer.This housing comprises the upper casing 1 and lower casing 2 that snap together, and wherein, the cavity volume of housing is divided into the front operatic tunes 7 isolated from one another, the rear operatic tunes by sounding monomer.In the utility model, sounding monomer comprises magnetic circuit system and vibrational system, and wherein magnetic circuit system comprises the frame 3 being arranged in cavity volume, and be arranged in the magnet 4 of frame 3, wherein, between the sidewall of magnet 4 and frame 3, there is gap, magnet 4 is also provided with washer etc.; Vibrational system comprises the vibrating diaphragm 6 be fixed in cavity volume, and drives the voice coil loudspeaker voice coil 5 of vibrating diaphragm 6 sounding, and described voice coil loudspeaker voice coil 5 is fixed on vibrating diaphragm 6, and is suspended at magnet 4 with the gap of frame 3 sidewall; The center of vibrating diaphragm 6 is provided with ball top 12 etc.After voice coil loudspeaker voice coil 5 is energized, voice coil loudspeaker voice coil 5 can vibrate under the effect of magnetic circuit system, and meanwhile, voice coil loudspeaker voice coil 5 drives vibrating diaphragm 6 together to vibrate, and realizes the sounding of vibrating diaphragm 6.
In loud speaker module of the present utility model, the front operatic tunes 7 is formed by the part between vibrating diaphragm 6 and upper casing 1, the rear operatic tunes is formed by the part between vibrating diaphragm and lower casing 2, the sound mouth 9 of the operatic tunes 7 before described upper casing 1 is provided with and is communicated with, wherein, the position described shell being positioned at sound mouth 9 is provided with the arc-shaped recess portion 8 extended towards direction, ball top 12, this arc-shaped recess portion 8 has a recessed arc-shaped curved surface to ball top 12, the front operatic tunes 7, sound mouth 9 are kept apart by this arc-shaped recess portion 8, meanwhile, described arc-shaped recess portion 8 is provided with the through hole 80 of the through front operatic tunes 7 harmony mouth 9.Preferably, this through hole 80 is positioned at the center in arc-shaped recess portion 8.
Loud speaker module of the present utility model, be provided with the arc-shaped recess portion extended towards direction, ball top, the effect of equalizer can be played by this arc-shaped recess portion, by this arc-shaped recess portion, effectively can reduce the imbalance of the vibrating diaphragm ball top areal pressure caused because sound mouth position is asymmetric, thus effectively can reduce the harmonic distortion because polarization causes.The through hole that arc-shaped recess portion offers, can keep the through of inside and outside air-flow.According to the distribution situation of ball top surface institute raying load, the size of the recessed shape of arc-shaped recess subordinate and through hole can be designed, homogeneous to ensure the load on its surface as far as possible.
In the utility model, arc-shaped recess portion 8 can select metal material, preferably adopts steel.Adopt metal material, can allow to utilize the mode of integrated injection molding to be fixed in sound mouth 9 position of upper casing 1.
In order to adapt to the structural design of total system, the position that described upper casing 1 is positioned at sound mouth 9 is also provided with outward extending flange 10, and this flange 10 can be integrated injection molding with upper casing 1.The screen cloth 11 of covering sound mouth 9 is also provided with in the termination of described flange 10.This belongs to the common practise of this area, no longer illustrates at this.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (8)
1. a loud speaker module, comprises shell, and is positioned at the sounding monomer of shell cavity volume, and cavity volume is divided into the front operatic tunes (7) isolated from one another, the rear operatic tunes by described sounding monomer; Described shell is provided with the sound mouth (9) of the operatic tunes (7) before being communicated with, the position described shell being positioned at sound mouth (9) is provided with the arc-shaped recess portion (8) extended towards sounding monomer direction, the front operatic tunes (7), sound mouth (9) are kept apart by described arc-shaped recess portion (8), and described arc-shaped recess portion (8) is provided with the through hole (80) of the through front operatic tunes (7) harmony mouth (9).
2. loud speaker module according to claim 1, is characterized in that: described through hole (80) is positioned at the center of arc-shaped recess portion (8).
3. loud speaker module according to claim 1, is characterized in that: the position described shell being positioned at sound mouth (9) is provided with outward extending flange (10).
4. loud speaker module according to claim 3, is characterized in that: the termination of described flange (10) is provided with the screen cloth (11) of covering sound mouth (9).
5. loud speaker module according to claim 3, is characterized in that: described flange (10) and shell integrated injection molding.
6. loud speaker module according to claim 1, is characterized in that: described arc-shaped recess portion (8) is metal material.
7. loud speaker module according to claim 6, is characterized in that: described arc-shaped recess portion (8) is steel.
8. loud speaker module according to claim 6, is characterized in that: together with described arc-shaped recess portion (8) is injection-moulded in shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189121.5U CN204442608U (en) | 2015-03-31 | 2015-03-31 | A kind of loud speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189121.5U CN204442608U (en) | 2015-03-31 | 2015-03-31 | A kind of loud speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442608U true CN204442608U (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520189121.5U Active CN204442608U (en) | 2015-03-31 | 2015-03-31 | A kind of loud speaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442608U (en) |
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2015
- 2015-03-31 CN CN201520189121.5U patent/CN204442608U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |